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Amgen Inc (AMGN)
NASDAQ:AMGN
US Market
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Amgen (AMGN) Risk Analysis

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Public companies are required to disclose risks that can affect the business and impact the stock. These disclosures are known as “Risk Factors”. Companies disclose these risks in their yearly (Form 10-K), quarterly earnings (Form 10-Q), or “foreign private issuer” reports (Form 20-F). Risk factors show the challenges a company faces. Investors can consider the worst-case scenarios before making an investment. TipRanks’ Risk Analysis categorizes risks based on proprietary classification algorithms and machine learning.

Amgen disclosed 28 risk factors in its most recent earnings report. Amgen reported the most risks in the “Ability to Sell” category.

Risk Overview Q1, 2026

Risk Distribution
28Risks
25% Ability to Sell
21% Legal & Regulatory
14% Tech & Innovation
14% Production
14% Macro & Political
11% Finance & Corporate
Finance & Corporate - Financial and accounting risks. Risks related to the execution of corporate activity and strategy
This chart displays the stock's most recent risk distribution according to category. TipRanks has identified 6 major categories: Finance & corporate, legal & regulatory, macro & political, production, tech & innovation, and ability to sell.

Risk Change Over Time

2022
Q4
S&P500 Average
Sector Average
Risks removed
Risks added
Risks changed
Amgen Risk Factors
New Risk (0)
Risk Changed (0)
Risk Removed (0)
No changes from previous report
The chart shows the number of risks a company has disclosed. You can compare this to the sector average or S&P 500 average.

The quarters shown in the chart are according to the calendar year (January to December). Businesses set their own financial calendar, known as a fiscal year. For example, Walmart ends their financial year at the end of January to accommodate the holiday season.

Risk Highlights Q1, 2026

Main Risk Category
Ability to Sell
With 7 Risks
Ability to Sell
With 7 Risks
Number of Disclosed Risks
28
-1
From last report
S&P 500 Average: 31
28
-1
From last report
S&P 500 Average: 31
Recent Changes
0Risks added
0Risks removed
9Risks changed
Since Mar 2026
0Risks added
0Risks removed
9Risks changed
Since Mar 2026
Number of Risk Changed
9
+3
From last report
S&P 500 Average: 0
9
+3
From last report
S&P 500 Average: 0
See the risk highlights of Amgen in the last period.

Risk Word Cloud

The most common phrases about risk factors from the most recent report. Larger texts indicate more widely used phrases.

Risk Factors Full Breakdown - Total Risks 28

Ability to Sell
Total Risks: 7/28 (25%)Above Sector Average
Competition2 | 7.1%
Competition - Risk 1
We currently face competition from biosimilars and generics and expect to face increasing competition from biosimilars and generics in the future.
We currently face competition from biosimilars and generics in most of the territories in which we operate, including the United States and Europe, and we expect to face increasing biosimilar and/or generics competition this year and beyond. Expiration or successful challenge of applicable patent rights or expiration of an applicable exclusivity period has accelerated such competition, and we expect to face more litigation regarding the validity and/or scope of our patents. Our products have also experienced greater competition from lower cost biosimilars or generics that come to market when branded products that compete with our products lose their own patent protection. To the extent that governments adopt more permissive regulatory approval standards and competitors are able to obtain broader or expedited marketing approval for biosimilars and generics, the rate of increased competition for our products would likely accelerate. For example, both the EMA and FDA have increasingly supported streamlined biosimilar approval pathways in which comparative clinical efficacy testing may not be routinely required, and in recent years have, on a case by case basis, accepted applications without such testing. In the EU, biosimilars are evaluated for marketing authorization pursuant to a set of general and product class-specific guidelines. In addition, in an effort to spur biosimilar utilization and/or increase potential healthcare savings, some EU countries and some Canadian provinces have adopted biosimilar uptake measures such as physician prescribing quotas or automatic pharmacy substitution of biosimilars for the corresponding reference products. Some EU countries impose automatic price reductions upon market entry of one or more biosimilar competitors. Regulatory authorities in the EU, including the EMA and the EU Heads of Medicines' Agencies (HMA) have articulated a position that biosimilar medicines approved in the EU are "interchangeable" with their reference products and other biosimilars of the same reference product for purposes of prescribing. Increased regulatory clarity regarding interchangeability, together with national pricing, tendering and reimbursement policies, has coincided with continued growth in biosimilar utilization and increased competitive pressure on innovative biologic products in Europe. While the degree of competitive effects of biosimilar competition differs between EU countries and between products, biosimilar competition has had, and is expected to continue to have, an effect on the sales of innovative biologic products in Europe. In the United States, the BPCIA authorizes the FDA to approve biosimilars via a separate, abbreviated pathway. See Item 1. Business-Government Regulation-Regulation in the United States-Approval of Biosimilars. In the United States, the FDA has approved numerous biosimilars, including biosimilar versions of Neulasta, EPOGEN, ENBREL, Prolia and XGEVA, and a growing number of companies have announced that they are also developing biosimilar versions of our products. For example, a number of biosimilar versions of Prolia and/or XGEVA have been approved in the United States and EU, and impact to our Prolia and XGEVA sales are expected to accelerate as the number of additional competitors continues to increase. See Item 1. Business-Marketing, Distribution and Selected Marketed Products-Competition. Manufacturers of biosimilars have attempted, and may in the future attempt, to compete with our products by offering greater discounts or rebates, contracts that offer longer-term pricing or a broader portfolio of other products, or lower list prices. Companies pursuing development of biosimilar versions of our products have challenged and may continue to challenge our patents well in advance of the expiration of our material patents. For examples of and information related to our biosimilars and generics patent litigation, see Part IV-Note 20, Contingencies and commitments, to the Consolidated Financial Statements. See also Our intellectual property positions may be challenged, invalidated or circumvented, or we may fail to prevail in current and future intellectual property litigation. Under the U.S. biosimilar regulatory framework, certain biosimilars have been approved as interchangeable with their reference products, which can allow pharmacists, subject to state law, to substitute those biosimilars for our products without prior prescriber approval and could increase competitive pressure on our products. In addition, critics of the 12-year exclusivity period for biologics may continue to seek to shorten that period or encourage narrower interpretations of the statutory provisions governing eligibility for exclusivity, and the FDA could adopt interpretations of the biologics exclusivity framework that limit the scope or duration of exclusivity for certain products or product changes. Legislative and regulatory initiatives may seek to further promote competition by facilitating generic and biosimilar approval and commercialization, including by reducing regulatory requirements, limiting the scope of patent protections or disputes, or adopting reimbursement, substitution or disclosure policies that favor biosimilars. Any such developments could accelerate biosimilar competition and adversely affect the sales of our products. Upon the expiration or loss of patent protection and/or applicable exclusivity for one of our products, we can lose the majority of revenues for that product in a very short period of time. See Item 1. Business-Marketing, Distribution and Selected Marketed Products-Competition. Additionally, if one of our products is the subject of an FDA Written Request for pediatric studies and we are unable to adequately complete these studies, we may not obtain the pediatric exclusivity award that extends unexpired regulatory exclusivity for the product (and existing patents for a small molecule product) by an additional six months. Further, the FDA released draft guidance contemplating that pediatric exclusivity may not be granted for studies conducted solely to fulfill Pediatric Research Equity Act (PREA) requirements. While we are unable to predict the precise effects and timing of biosimilars and generics on our products, we are currently facing and expect to face greater competition in the United States, Europe and elsewhere as a result of biosimilar and generic competition and, in turn, downward pressure on our product prices and sales. This competition has had, and could increasingly have, a material adverse effect on our product sales, business and results of operations. State laws may also have an impact on our business. For example, certain states have enacted, or proposed, laws that restrict, or prohibit, "pay for delay" settlements of patent infringement claims filed by manufacturers of generics or biosimilars by creating the presumption that such agreements are anticompetitive. In addition, federal legislative proposals targeting such settlements continue to be introduced and advanced in Congress. These developments could result in prolonged litigation or fewer settlements of patent infringement disputes.
Competition - Risk 2
Our products face substantial competition and our product candidates are also likely to face substantial competition.
We operate in a highly competitive environment. See Item 1. Business-Marketing, Distribution and Selected Marketed Products-Competition. We expect that our products and product candidates will compete with existing drugs, new drugs currently in development, drugs currently approved for other indications that may later be approved for the same indications as those of our products and drugs approved for other indications that are used off-label. Large pharmaceutical companies and generics manufacturers of pharmaceutical products have expanded into, and are expected to continue expanding into, the biotechnology field, and some pharmaceutical companies and generics manufacturers have formed partnerships to pursue biosimilars. With the proliferation of companies pursuing biopharmaceuticals, several of our biosimilar products have entered, and a number of our product candidates are expected to enter, markets with one or more competitors or with competitors soon to arrive. In addition, some of our competitors may have technical, competitive or other advantages over us for the development of technologies and processes or greater experience in particular therapeutic areas, and consolidation among pharmaceutical and biotechnology companies can enhance such advantages. These advantages may make it difficult for us to compete with them successfully to discover, develop and market new products and for our current products to compete with new products or new product indications they may bring to market. As a result, our products have been competing and may continue to compete, and our product candidates may compete, against products or product candidates that offer higher rebates or discounts, lower prices, equivalent or superior efficacy, better safety profiles, easier administration, earlier market availability, established market position or other competitive features. If we are unable to compete effectively, this could reduce our sales, which could have a material adverse effect on our business and results of operations.
Demand4 | 14.3%
Demand - Risk 1
Guidelines and recommendations published by various organizations can reduce the use of our products.
Government agencies promulgate regulations and guidelines directly applicable to us and to our products. Professional societies, practice management groups, insurance carriers, physicians' groups, private health and science foundations and organizations involved in various diseases also publish guidelines and recommendations to healthcare providers, administrators and payers, as well as patient communities. Recommendations by government agencies or other groups and organizations may relate to such matters as usage, dosage, route of administration and use of related therapies. In addition, a growing number of organizations are providing assessments of the value and pricing of biopharmaceutical products, and even organizations whose guidelines have historically been focused on clinical matters have begun to incorporate analyses of the cost effectiveness of various treatments into their treatment guidelines and recommendations. Value assessments may come from private organizations that publish their findings and offer recommendations relating to the products' reimbursement by government and private payers. Some companies and payers have announced pricing and payment decisions based in part on the assessments of private organizations. In addition, government health technology assessment organizations in many countries make reimbursement recommendations to payers in their jurisdictions based on the clinical effectiveness, cost-effectiveness and service effects of new, emerging and existing medicines and treatments. Such health technology assessment organizations have recommended, and may in the future recommend, reimbursement for certain of our products for a narrower indication than was approved by applicable regulatory agencies or may recommend against reimbursement entirely. See Our sales depend on coverage and reimbursement from government and commercial third-party payers, and pricing and reimbursement pressures have affected, and are likely to continue to affect, our profitability. The EU has adopted and begun implementing Regulation 2021/2282 on Health Technology Assessment, which establishes a permanent framework for cooperation among EU member states on joint clinical assessments and scientific consultations of health technologies, with key provisions that became applicable in January 2025, and further phased implementation continuing through 2030. These and other such recommendations or guidelines may affect our reputation, and any recommendations or guidelines that result in decreased use, dosage or reimbursement of our products could have a material adverse effect on our product sales, business and results of operations. In addition, the perception by the investment community or stockholders that such recommendations or guidelines will result in decreased use and dosage of our products could adversely affect the market price of our common stock.
Demand - Risk 2
Concentration of sales at certain of our wholesaler distributors, and consolidation of private payers, such as insurers, and PBMs has negatively affected, and may continue to negatively affect, our business.
Certain of our distributors, customers and payers have substantial purchasing leverage, due to the volume of our products they purchase or the number of patient lives for which they provide coverage. The substantial majority of our U.S. product sales is made to three pharmaceutical product wholesaler distributors: McKesson Corporation, Cencora, Inc. (formerly AmerisourceBergen Corporation) and Cardinal Health, Inc. These distributors, in turn, sell our products to their customers, which include physicians or their clinics, dialysis centers, hospitals and pharmacies. Similarly, as discussed above, there has been significant consolidation in the health insurance industry, including that a small number of PBMs now oversee a substantial percentage of total covered lives in the United States. See Our sales depend on coverage and reimbursement from government and commercial third-party payers, and pricing and reimbursement pressures have affected, and are likely to continue to affect, our profitability. For example, the six largest PBMs in the United States are now part of major health insurance providers, and the Federal Trade Commission's interim report released in 2024 showed that they nationally account for 94% of prescription drug claims. The growing concentration of purchasing and negotiating power by these entities has, and may continue to, put pressure on our pricing due to their ability to extract price discounts on our products, fees for other services or rebates, negatively affecting our bargaining position, sales and/or profit margins. In addition, decisions by these entities to purchase or cover less or none of our products in favor of competing products could have a material adverse effect on our product sales, business and results of operations due to their purchasing volume. Further, if one of our significant wholesale distributors encounters financial or other difficulties and becomes unable or unwilling to pay us all amounts that such distributor owes us on a timely basis, or at all, it could negatively affect our business and results of operations. In addition, if one of our significant wholesale distributors becomes insolvent or otherwise unable to continue its commercial relationship with us in its present form, it could significantly disrupt our business and adversely affect our product sales, our business and results of operations unless suitable alternatives are timely found or lost sales are absorbed by another distributor.
Demand - Risk 3
Changed
Government and commercial payer actions outside the United States have affected and will continue to affect access to and sales of our products
Outside the United States, we expect countries will also continue to take actions to reduce their drug expenditures and to reduce intellectual property protections. See Item 1. Business-Reimbursement, of our Annual Report on Form 10-K for the year ended December 31, 2025. Pressures to decrease drug expenditures may intensify as governments take actions to address budgets strained by high inflation and weak economic conditions, including in Europe, where sustained fiscal pressures continue to challenge public healthcare systems. In addition, policies under consideration or adopted in the United States that reference or tie drug prices to those paid in foreign jurisdictions, including through most-favored-nation or similar pricing approaches, could increase the significance of pricing decisions in such foreign jurisdictions. Further, the EU is currently undergoing a review and revision of its general pharmaceutical legislation that, while full implementation is not expected before 2027, has led to proposals that would reduce intellectual property protection for new products (including potentially shortening the duration of regulatory data exclusivity and orphan drug exclusivity protections), as well as change the reimbursement and regulatory landscape. International reference pricing has been widely used by many countries outside the United States to control costs. International reference pricing policies can change quickly and frequently and may not reflect differences in the burden of disease, indications, market structures or affordability across countries or regions. Other expenditure control practices, including the use of revenue clawbacks, rebates and caps on product sales, are also used in various foreign jurisdictions. In addition, countries may refuse to reimburse, or may restrict the reimbursed population for a product, when their national health technology assessments do not consider a medicine to demonstrate sufficient clinical benefit beyond existing therapies or to meet certain cost effectiveness thresholds. For example, despite the EMA's approval of Repatha for the treatment of patients with established atherosclerotic disease, prior to 2020, the reimbursement of Repatha in France was limited to a narrower patient population (such as those with homozygous familial hypercholesterolemia (HoFH)) following a national health technology assessment. Many countries decide on reimbursement between potentially competing products through national or regional tenders that often result in one product receiving most, or all of, the sales in that country or region. Failure to obtain coverage and reimbursement for our products, a deterioration in their existing coverage and reimbursement, or a decline in the timeliness or certainty of payment by payers to hospitals and other providers, has negatively affected, and may further negatively affect, the ability or willingness of healthcare providers to prescribe our products for their patients and otherwise negatively affect the use of our products or the prices we realize for them. Such failures and changes have had, and could in the future have, a material adverse effect on our product sales, business and results of operations.
Demand - Risk 4
Changed
U.S. commercial payer actions have affected, and may continue to affect, access to and sales of our products
Payers, including healthcare insurers, PBMs, integrated healthcare delivery systems (vertically-integrated organizations built from consolidations of healthcare insurers and PBMs) and group purchasing organizations, are continuing to seek ways to further reduce their costs. With increasing frequency, payers are adopting benefit plan changes that shift a greater proportion of drug costs to patients. Such measures include more limited benefit plan designs, high deductible plans, higher patient co-pay or coinsurance obligations and more significant limitations on patients' use of manufacturer commercial co-pay assistance programs. Further, government regulation of payers may affect these trends. Payers, including PBMs, have sought, and continue to seek, price discounts or rebates in connection with the placement of our products on their formularies or those they manage, and to also impose restrictions on access to, or usage of, our products (such as Step Therapy), require that patients receive the payer's prior authorization before covering the product, and/or to exclude certain indications for which our products are approved. Further, significant consolidation in the health insurance industry has resulted in a few large insurers and PBMs, which places greater pressure on pricing and usage negotiations with biopharmaceutical manufacturers, significantly increasing discount and rebate requirements and limiting patient access and usage. See our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1A. Risk Factors-Concentration of sales at certain of our wholesaler distributors, and consolidation of private payers, such as insurers, and PBMs has negatively affected, and may continue to negatively affect, our business. This high degree of consolidation among insurers, PBMs and other payers, including integrated healthcare delivery systems and/or with specialty or mail-order pharmacies and pharmacy retailers, has increased the negotiating leverage such entities have over us and other biopharmaceutical manufacturers and has resulted in greater price discounts, rebates and service fees realized by those payers from our business. Our business is also affected by policies implemented by private healthcare entities that process Medicare claims, including Medicare Administrative Contractors. Each of CVS, Express Scripts and United Health Group (among the top six integrated health plans and PBMs) have Rebate Management Organizations that further increase their leverage to negotiate deeper discounts on their behalf and for the benefit of their other customers. Federal actions to reform PBM practices have accelerated, and as these actions collectively curtail rebate-driven economics, PBMs may respond by increasing explicit service fees to offset lost revenue and adopting more restrictive formulary design and utilization management to prioritize lowest net cost. Ultimately, additional discounts, rebates, fees, coverage changes, plan changes, restrictions or exclusions imposed by these commercial payers could have a material adverse effect on our product sales, business and results of operations. See our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1A. Risk Factors-Concentration of sales at certain of our wholesaler distributors, and consolidation of private payers, such as insurers, and PBMs has negatively affected, and may continue to negatively affect, our business.
Sales & Marketing1 | 3.6%
Sales & Marketing - Risk 1
Changed
Our sales depend on coverage and reimbursement from government and commercial third-party payers, and pricing and reimbursement pressures have affected, and are likely to continue to affect, our profitability.
Sales of our products depend on the availability and extent of coverage and reimbursement from third-party payers, including government healthcare programs and private insurance plans. Governments and private payers continue to pursue initiatives to manage drug utilization and contain costs. Payers are increasingly focused on costs, which has resulted, and is expected to continue to result, in lower reimbursement rates for our products and/or narrower patient populations for which payers will reimburse. Continued intense public scrutiny of the price of drugs and other healthcare costs, together with payer dynamics, have limited, and are likely to continue to limit, our ability to set or adjust the price of our products based on their value, which can have a material adverse effect on our business. In the United States, a number of legislative and regulatory proposals have been introduced and/or signed into law to lower drug prices. These include the IRA that enables the U.S. government to set prices for certain drugs in Medicare, redesigns Medicare Part D benefits to shift a greater proportion of the costs to manufacturers and health plans, and enables the U.S. government to impose penalties if drug prices are increased at a rate faster than inflation (IRA Inflation Penalties). On July 4, 2025, OB3 was enacted and included several changes to Medicare, Medicaid and Affordable Care Act policies, including provisions affecting eligibility, that, when implemented, are expected to adversely affect coverage and reimbursement for our products. On May 12, 2025, the Administration issued the Most-Favored-Nations (MFN) Prescription Drug Pricing Executive Order (MFN EO) aimed at using price benchmarks from other developed countries to set U.S. pricing targets. Subsequently, on July 31, 2025 the Administration sent letters to many pharmaceutical manufacturers, including Amgen (the July MFN Letter) as further described below, outlining steps that such manufacturers could take to advance actions consistent with elements of the MFN EO. In December 2025, we announced that we are taking actions that satisfy the components outlined in the July MFN Letter, including the Administration's MFN pricing requests. Further, the Administration has called on Congress to enact legislation that would codify the terms that the Administration arrived at with recipients of the July MFN Letter (the MFN Terms). The details of such legislative framework are unknown and, if enacted, such legislation could apply to a broader range of products, payers or pricing arrangements for a longer period than those resulting from the MFN Terms. Additional proposals focused on drug pricing continue to be debated, and additional executive orders or regulatory initiatives focused on drug pricing and competition may be adopted and implemented in some form. It remains unclear what further policies, legislation and/or actions the Administration, Congress, or state governments will advance with respect to other drug pricing proposals or other healthcare regulations affecting pharmaceuticals, including the MFN EO, IRA and OB3 implementation, trade policies, or state laws affecting the 340B Program or Medicaid reimbursement that could ultimately be adopted more broadly. To the extent such actions reduce or modify coverage or reimbursement for our products, increase rebates or other costs, constrain pricing decisions, or otherwise limit product use, they would have an adverse effect on our business and results of operations.
Legal & Regulatory
Total Risks: 6/28 (21%)Above Sector Average
Regulation4 | 14.3%
Regulation - Risk 1
Changed
Our current products and products in development cannot be sold without regulatory approval.
Our business is subject to extensive regulation by numerous state and federal government authorities in the United States, including the FDA, and by foreign regulatory authorities, including the EMA. We are required in the United States and in the other regions and countries in which we, or our partners and affiliates, sell to obtain approval from regulatory authorities before we manufacture, market and sell our products. Once our products are approved, the FDA and other U.S. and ex-U.S. regulatory agencies have substantial authority to require additional testing and reporting, perform inspections, change product labeling or mandate withdrawals of our products. Failure to comply with applicable regulatory requirements may subject us to administrative and/or judicially imposed sanctions or monetary penalties as well as reputational and other harms. The sanctions could include the FDA's or ex-U.S. regulatory authorities' refusals to approve pending applications, delays in obtaining or withdrawals of approvals, delays or suspensions of clinical trials, warning letters, product recalls or seizures, total or partial suspensions of our operations, injunctions, fines, civil penalties and/or criminal prosecutions. Obtaining and maintaining regulatory approvals have been, and will continue to be, increasingly difficult, time-consuming and costly. Legislative bodies or regulatory agencies could enact new laws or regulations, change existing laws or regulations or change their interpretations of laws or regulations at any time, which could affect our ability to obtain or maintain approval of our products or product candidates. The rate and degree of change in existing laws and regulations and regulatory expectations have accelerated in established markets, and regulatory expectations continue to evolve in emerging markets. We are unable to predict whether and when any further changes to laws or regulatory policies affecting our business could occur, such as changes to laws or regulations governing manufacturer communications concerning drug products and drug product candidates and whether such changes could have a material adverse effect on our product sales, business and results of operations. Further, we are reliant on regulators having the resources necessary to evaluate and approve our products. In the United States, federal government shutdowns have occurred and such shutdowns have disrupted certain regulatory activities. Any future government shutdowns or workforce constraints may delay or disrupt regulatory activities, including those with respect to our ongoing clinical programs, the manufacture of our products and product candidates and product approvals. Recent initiatives to reduce the size and budgets of government agencies, including the HHS, FDA and NIH, may adversely impact our operations. In particular, reductions in staffing and resources at the FDA could result in delays in regulatory review timelines and marketing application and supplement approvals. Changes in leadership at the FDA may also result in shifts in perspectives on the drug approval process and regulatory priorities. Further, implementation of new policy initiatives without guidance or rulemaking has reduced transparency and increased uncertainty with respect to agency actions. Additionally, funding reductions and caps on research overhead costs imposed on the NIH and its programs may result in grant funding cutbacks for scientific and disease-related research at academic institutions and research centers, and such reductions, over the longer term, may slow the overall discovery and development of new therapies and/or slow or interrupt the flow of innovation into the pharmaceutical development pipeline. These developments and others associated with the reduction of personnel and budgets at the regulatory agencies that oversee our industry and operations may adversely affect our business activities, including our ongoing and future clinical research and drug development programs, research collaborations, manufacturing activities and regulatory submissions. Regulatory authorities have questioned, and may in the future question, the sufficiency for approval of the endpoints we select for our clinical trials. A number of our products and product candidates have been evaluated in clinical trials using surrogate endpoints that measure an effect that is known to correlate with an ultimate clinical benefit. For example, a therapeutic oncology product candidate may be evaluated for its ability to reduce or eliminate minimal residual disease (MRD), or to extend the length of time during and after the treatment that a patient lives without the disease worsening, measured by progression-free survival (PFS). Demonstrating that the product candidate induces MRD-negative responses or produces a statistically significant improvement in PFS does not necessarily mean that the product candidate will show a statistically significant improvement in overall survival or the time that the patients remain alive. In the cardiovascular setting, a heart disease therapeutic candidate may be evaluated for its ability to reduce low-density lipoprotein cholesterol (LDL-C) levels, as an elevated LDL-C level has been a surrogate endpoint for cardiovascular events such as death, heart attack and stroke. The use of surrogate endpoints such as PFS and LDL-C reduction, in the absence of other measures of clinical benefit, may not be sufficient for broad usage or approval even when such results are statistically significant. Regulatory authorities could also add new requirements, such as the completion of enrollment in a confirmatory study or the completion of an outcomes study or a meaningful portion of an outcomes study, as conditions for obtaining approval or obtaining an indication. For example, despite demonstrating that Repatha reduced LDL-C levels in a broad patient population, only after our large phase 3 outcomes study evaluating the ability of Repatha to prevent cardiovascular events met certain of its primary composite endpoint and key secondary composite endpoint did the FDA grant a broader approval of Repatha to reduce the risk of certain cardiovascular events. There may also be situations in which demonstrating the efficacy and safety of a product candidate may not be sufficient to gain regulatory approval unless superiority to other existing treatment options can be shown. The imposition of additional requirements or our inability to meet them in a timely fashion, or at all, has delayed, and may in the future delay, our clinical development and regulatory filing efforts, delay or prevent us from obtaining regulatory approval for new product candidates or new indications for existing products, or prevent us from maintaining our current product labels. Some of our products have been approved by U.S. and ex-U.S. regulatory authorities on an accelerated or conditional basis with full approval conditioned upon fulfilling the requirements of regulators. For example, the FDA has approved LUMAKRAS under accelerated approval for the treatment of adult patients with KRAS G12C-mutated local advanced or metastatic non-small cell lung cancer. Following our submission of the LUMAKRAS/LUMYKRAS CodeBreaK 200 Phase 3 confirmatory data in March 2023 to the FDA and EMA, we received a Complete Response Letter from the FDA and a new postmarketing requirement for an additional confirmatory study to support full approval. Regulatory authorities are placing greater focus on whether the sponsors of products originally approved on an accelerated or conditional basis have met the conditions of the accelerated or conditional approvals. If we are unable to fulfill the regulators' requirements that were conditions of a product's accelerated or conditional approval and/or if regulators reevaluate the data or risk-benefit profile of our product, the conditional approval may not result in full approval or may be revoked or not renewed. Alternatively, we may be required to change the product's labeled indications, conduct an additional confirmatory clinical trial, or even withdraw the product from the market. Regulatory authorities may also revisit, reanalyze or reinterpret data underlying the approval of our products, including data previously reviewed during the approval process and/or postmarketing safety information, and such reassessments may lead to different conclusions regarding a product's benefit-risk profile than those reached at the time of approval. For example, we have had ongoing interactions with the FDA regarding TAVNEOS, a product the Company acquired in connection with its acquisition of ChemoCentryx in 2022, following its approval by the FDA in October 2021. TAVNEOS is indicated for the adjunctive treatment of adult patients with severe AAV in combination with standard therapy including glucocorticoids. Hepatotoxicity is a known risk of TAVNEOS treatment for AAV and has been a subject of ongoing dialogue with the FDA. Throughout this period and up to today, the U.S. label includes a warning about hepatotoxicity and guidance for monitoring patients. In 2024, the Company provided an analysis of serious postmarketing cases of hepatotoxicity to the FDA and proactively submitted a proposed update to add VBDS to the TAVNEOS label. On January 16, 2026, the FDA requested that we voluntarily withdraw TAVNEOS from the U.S. market based on questions regarding aspects of the analysis and adjudication of certain study data that supported the original FDA approval of TAVNEOS. On January 28, 2026, following the FDA regulatory processes, we informed the FDA that we did not intend to withdraw TAVNEOS from the market as we are confident that TAVNEOS demonstrates effectiveness and a favorable benefit–risk profile. On March 31, 2026, the FDA issued a DSC in which it alerted patients and health care professionals about serious liver injury cases, including fatal cases, of DILI associated with TAVNEOS. The DSC is based on data available through October 9, 2024 and provides information about DILI and VBDS associated with TAVNEOS. Since approval in 2021, cases of VBDS have been reported, largely from Japan and none from the United States. Most patients who had VBDS were aged 65 years and older, and most cases occurred within 90 days of starting TAVNEOS. VBDS has been fatal in some of these patients. On April 29, 2026, the Company submitted a CBE-30 supplement to the FDA. The CBE-30 filing amends the hepatotoxicity warning language in the label to provide more information on cases of VBDS that have been observed in the postmarketing setting, including that cases with fatal outcomes have been reported, and modifies language regarding liver panel testing and treatment discontinuation rules. On April 27, 2026, CDER issued a proposal to withdraw approval of TAVNEOS, alleging that there is new information indicating lack of substantial evidence of effectiveness for the drug and that ChemoCentryx's application that resulted in FDA approval contained untrue statements of material facts. ChemoCentryx, as the U.S. marketing authorization holder, may request a hearing on this proposal, after which the FDA will determine whether there is a genuine and substantial issue of fact that requires a hearing. If a hearing is not granted, the FDA may enter summary judgment and ultimately withdraw approval. On April 30, 2026, the FDA posted a notice in the Federal Register that proposes to withdraw approval of TAVNEOS and announced an opportunity for ChemoCentryx to request a hearing on this proposal. The Company intends to engage with the FDA, continues to believe that TAVNEOS demonstrates effectiveness and a favorable benefit-risk profile, and intends to follow the appropriate process to support its position. As the FDA's statement reporting its proposal indicates, TAVNEOS will remain on the market during the pendency of this process. We cannot predict the outcome of these interactions with the FDA on this matter, and the FDA may require additional actions, including further labeling changes, warnings, monitoring, restrictions on use, postmarketing commitments or studies, and any such action or any withdrawal of regulatory approval for TAVNEOS could adversely affect our product sales of TAVNEOS, business and results of operations. Regulatory authorities can also impose postmarketing pediatric study requirements. Failure to fulfill such requirements may result in regulatory or enforcement action, including financial penalties or the invalidation of a product's marketing authorization. Safety problems or signals can arise as our products and product candidates are evaluated in clinical trials, including investigator sponsored studies, or as our marketed products are used in clinical practice. We are required continuously to collect and assess adverse events reported to us and to communicate to regulatory agencies these adverse events and safety signals regarding our products. Regulatory agencies periodically perform inspections of our pharmacovigilance processes, including our adverse event reporting. In the United States, for our products with approved Risk Evaluation and Mitigation Strategies (REMS, see our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1. Business-Government Regulation-Post-approval Phase), we are required to submit periodic assessment reports to the FDA to demonstrate that the goals of the REMS are being met. REMS and other risk management programs are designed to help ensure that a drug's benefits outweigh the risks and vary in the elements they contain. If the FDA is not satisfied with the results of the periodic assessment reports we submit for any of our REMS, the FDA may also modify our REMS or take other regulatory actions, such as implementing revised or restrictive labeling. The drug delivery devices approved for use in combination with our products are also subject to regulatory oversight and review for safety and malfunctions. See our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1A. Risk Factors-Some of our products are used with drug delivery or companion diagnostic devices that have their own regulatory, manufacturing and other risks. If regulatory agencies determine that we or other parties (including our clinical trial investigators, those operating our patient support programs or licensees of our products) have not complied with the applicable reporting, other pharmacovigilance or other safety or quality assessment requirements, we may become subject to additional inspections, warning letters or other enforcement actions, including fines, marketing authorization withdrawal and other penalties. Our product candidates and marketed products can also be affected by safety problems or signals occurring with respect to products that are similar to ours or that implicate an entire class of products. Further, as a result of clinical trials, including sub-analyses or meta-analyses of earlier clinical trials (a meta-analysis involves the use of various statistical methods to combine results from previous separate but related studies) performed by us or others, concerns may arise about the sufficiency of the data or studies underlying a product's approved label. Such actual or perceived safety problems or concerns can lead to: - revised or restrictive labeling for our products, or the potential for restrictive labeling that has resulted, and may in the future result, in our decision not to commercialize a product candidate;- requirement of risk management or minimization activities or other regulatory agency compliance actions related to the promotion and sale of our products;- postmarketing commitments, mandated postmarketing requirements or pharmacovigilance programs for our approved products;- product recalls of our approved products;- required changes to the processes used in the manufacture of our products, which could increase our manufacturing costs and affect the availability of contract manufacturers we may utilize to assist in such manufacturing;- revocation of approval for our products from the market completely, or within particular therapeutic areas or patient types;- increased timelines or delays in being approved by the FDA or other regulatory bodies; and/or - treatments or product candidates not being approved by regulatory bodies. For example, after an imbalance in positively adjudicated cardiovascular serious adverse events was observed in one of the phase 3 clinical trials for EVENITY but not in another, larger phase 3 study, in April 2019 the FDA approved EVENITY for the treatment of osteoporosis in postmenopausal women at high risk for fracture, along with a postmarketing requirement. The requirement includes a five-year observational feasibility study that could be followed by a comparative safety study or trial. Regulatory authorities also require that our products are tested and controlled for impurities. Impurities exceeding established limits may lead to delayed product approvals or disrupt the manufacture and distribution of our products. For example, certain jurisdictions and regulatory agencies, including the FDA and EMA, require risk assessments, and if applicable, testing, for the presence of nitrosamine impurities in certain small molecule drugs, and we are following the established process of evaluating potentially impacted small molecule products. In addition to our innovative products, we are working to develop and commercialize biosimilar versions of a number of products currently manufactured, marketed and sold by other pharmaceutical companies. In some markets outside the United States and EU, there is not yet a legislative or regulatory pathway for the approval of biosimilars. In the United States, the Biologics Price Competition and Innovation Act provides for such a pathway. Discussions within the FDA and other regulatory authorities, and between regulatory authorities and sponsors, continue as to the evidence needed to demonstrate biosimilarity or interchangeability for specific products. See our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1A. Risk Factors-We currently face competition from biosimilars and generics and expect to face increasing competition from biosimilars and generics in the future. Delays or uncertainties in the development or implementation of such pathways, or changes in existing regulatory pathways, including degradation of regulatory standards, could result in delays or difficulties in getting our biosimilar products approved by regulatory authorities, subject us to unanticipated development costs or otherwise reduce the value of the investments we have made in the biosimilars area. Further, we cannot predict the extent to which any potential legislative or policy initiatives would affect the biosimilar pathway or have a material adverse effect on our development of biosimilars, on our marketed biosimilars or on our pursuit of interchangeability designations for any biosimilar. In addition, if we are unable to bring our biosimilar products to market on a timely basis and secure "first-to-market" or other advantageous positions, our future biosimilar sales, business and results of operations could be materially and adversely affected.
Regulation - Risk 2
Changed
Changing reimbursement and pricing actions in various states have negatively affected, and may continue to negatively affect, access to, and have affected, and may continue to affect, sales of our products
At the state level, legislation, government actions and ballot initiatives can also affect how our products are covered and reimbursed and/or create additional pressure on our pricing decisions. Existing and proposed state pricing laws, which may move forward more rapidly than similar efforts at the federal level, have added complexity to the pricing of drugs. A number of states have adopted, and many other states are considering, PDABs, drug importation programs, reference pricing schemes and other drug pricing actions, including proposals designed to require biopharmaceutical manufacturers to report to the state proprietary pricing information or provide advance notice of certain price increases. States continue to pursue laws related to price controls, referencing the IRA and seeking to regulate and prohibit restrictions on the 340B Program. For example, following the passage of the IRA, bills have been proposed in multiple states that would apply the drug price caps set by HHS for Medicare to drug prices in an individual state, and such references to IRA price caps have also been included in PDAB legislation. For Medicaid patients, states have established a Medicaid drug spending cap (New York) and implemented a new review and supplemental rebate negotiation process (Massachusetts). Seven states (Colorado, Maine, New Jersey, Maryland, Minnesota, Oregon and Washington) currently use PDABs to identify drugs that pose affordability challenges, and four such states include authority for the state PDABs to set upper payment limits on certain drugs for in-state patients, payers and providers. In 2025, Maryland expanded the scope of its PDAB law to include the commercial market. The seven states with enacted PDAB laws are in various phases of implementation, with Colorado's PDAB being the furthest along. The Colorado PDAB deemed three of five drugs "unaffordable," including ENBREL, and in October 2025 the Colorado PDAB established an Upper Payment Limit (UPL) substantially lower than the wholesale acquisition cost of ENBREL that would be generally applicable to all formulations of ENBREL, effective no earlier than January 1, 2027, and will be reviewed annually. On July 16, 2025, Washington state's PDAB selected ENBREL for one of its first affordability reviews. Following the timeline and process established by the state for such affordability review, the manufacturer and the PDAB will undertake a number of required interactions. However, the Washington state PDAB may not establish a UPL for any prescription drug before January 1, 2027. Further, inappropriate expanded utilization of the 340B Program from broadened application of the 340B discounts has had, and is expected to continue to have, a negative impact on the Company's product sales, business and results of operations. Twenty-two states (Louisiana, Arkansas, West Virginia, Minnesota, Mississippi, Missouri, Maryland, Kansas, North Dakota, South Dakota, Utah, Nebraska, New Mexico, Colorado, Tennessee, Oregon, Vermont, Hawaii, Oklahoma, Rhode Island, Maine and Washington) have enacted laws with mandates on manufacturers participating in the 340B Program, and, in 2026, no fewer than 16 states have introduced similar legislation. These bills vary, but typically include provisions restricting a manufacturer's ability to direct drugs in 340B channels, recognizing 340B contract pharmacies and a prohibition on requiring the inclusion of 340B claims modifiers. With OB3's reductions to federal Medicaid funding to states, increased pressure is anticipated for providers to find and preserve existing revenue sources at the state level, which may result in increased use of 340B contract pharmacy mandates. In Genesis Health Care, Inc. v. Becerra, the U.S. District Court for the District of South Carolina issued an order in November 2023 enjoining the Health Resources and Services Administration from enforcing a more restrictive interpretation against Genesis Health Care as to who qualifies as a patient under the 340B Program, which could, if adopted more broadly, affect the scope of eligibility for 340B discounts. Since this decision, various courts have reached differing conclusions on challenges to state laws regulating aspects of the 340B Program, with some courts declining to enjoin such laws and others granting relief to challengers. Certain appellate courts have issued decisions both upholding certain state 340B statutes and affirming the denial of preliminary injunctive relief to manufacturers, while litigation and appeals concerning the validity, interpretation, and enforcement of these laws remain ongoing. Additionally, in 2024, the FDA authorized Florida to move forward with its importation program proposal, though the state has not yet completed any significant steps towards importation within the two-year authorization window. Colorado, Maine, New Hampshire, New Mexico, Texas and Vermont have also enacted state importation laws, and some have submitted plans for approval to the FDA. Other states could adopt similar approaches or could pursue different policy changes in a continuing effort to reduce their costs. Further, the April 2025 EO also directs HHS to, within 90 days, streamline and improve the drug importation program to ease the process for states to obtain drug importation approvals. On May 21, 2025, the FDA issued a press release indicating it was taking steps to enhance state importation programs and would offer individual states and tribes the opportunity to submit draft proposals for pre-review and to meet with the agency to obtain initial feedback prior to formally submitting importation proposals. While under federal law biologics remain exempt from such state importation activities, our small molecule products could be impacted by these initiatives. Ultimately, existing or future state government actions or ballot initiatives may also have a material adverse effect on our product sales, business and results of operations.
Regulation - Risk 3
Changed
Changing U.S. federal coverage and reimbursement policies and practices have affected, and are likely to continue to affect, access to, pricing of, and sales of our products
A substantial proportion of our U.S. business relies on reimbursement from federal government healthcare programs and commercial insurance plans regulated by federal and state governments. See Item 1. Business-Reimbursement, of our Annual Report on Form 10-K for the year ended December 31, 2025. Our business has been, and will continue to be, affected by legislative actions changing U.S. federal reimbursement policy. For example, the IRA includes provisions requiring mandatory pricing in Medicare for certain drugs under Parts B and D (starting with 10 drugs effective January 1, 2026, adding 15 in 2027 and 2028, and adding 20 in 2029 and subsequent years such that, by 2031, approximately 100 drugs would be subject to such set prices). CMS has set Medicare Part D prices for ENBREL, effective January 1, 2026, and Otezla, effective January 2027, in each case at significantly lower levels. Such pricing for ENBREL has negatively impacted, and is expected to continue to negatively impact, its profitability, and such pricing for Otezla is expected to negatively impact its profitability beginning in January 2027. See Part I, Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations-Results of operations-Product sales. Depending on the growth and success of our medicines, other of our medicines may also be subject to selection by CMS in the next, or in a future, cycle of mandatory Medicare price setting, and we may be required to accept a price set by the government for Medicare using the process that was applied to ENBREL and Otezla. Further, CMS has issued guidance that allows for the re-setting of prices for drugs for which it previously set a price. On April 15, 2025, the Administration issued an executive order (the April 2025 EO) that, among other directives, directs HHS to work with Congress to align the treatment of small molecule drugs and biologics in the Medicare price setting program under the IRA. It is currently unclear how such modifications would affect the timeframe in which Medicare price setting becomes applicable for selected drugs or biologics. Also under the IRA, Medicare Part D was redesigned to cap beneficiary out-of-pocket costs and reduce Federal reinsurance in the catastrophic phase; increasing cost-sharing obligations for Part D plans and manufacturers, including by requiring manufacturer discounts. Further, the IRA inflation penalties allow CMS to collect rebates from manufacturers if Medicare price increases outpace inflation, and several of our products have been subject to such IRA inflation rebates. The IRA's Medicare price setting and Medicare redesign have had, and are likely to have, an adverse effect on our sales, our business and our results of operations, and such impact is expected to increase through the end of the decade and will depend on factors including the extent of our portfolio's exposure to Medicare reimbursement, the rate of inflation over time, the number of our products selected for Medicare price setting and the timing of market entry of generic or biosimilar competition. Further, following the enactment of the IRA, the environment remains dynamic, and U.S. policymakers continue to demonstrate interest in health care and drug pricing changes as well as potential changes affecting intellectual property. For example, in April 2024, CMS finalized policy changes that will give Part D plans more flexibility to substitute biosimilars for innovator products on formularies in 2025. Implementation of OB3 also may impact access to and reimbursement of our products. For example, the Congressional Budget Office has projected that the OB3 will result in significant reductions in federal Medicaid spending over the next decade and an increase in the number of people without health insurance. These developments would place greater stress on state budgets and hospital finances, and could result in reduced access to medicines, additional pressure to further discount medicines and further growth of 340B Program utilization. The MFN EO directs HHS to pursue pricing policies that align U.S. drug prices with the prices available in certain comparably developed countries and directs a range of actions to advance that objective, including through regulatory, trade and other policy measures. In July 2025, the Administration delivered the July MFN Letter to us and a number of other manufacturers that called for drug manufacturers to: 1) extend MFN pricing to Medicaid; 2) guarantee MFN pricing to Medicaid, Medicare and commercial payers on all newly launched drugs; 3) use future increased revenues from outside the U.S. to lower U.S. drug prices; and 4) participate in direct-to-patient models to provide MFN pricing for certain drugs. Since the issuance of the July MFN Letter, the recipients have announced that they have reached agreement with the Administration to address the matters described in the letter. In December 2025, we announced that we are taking actions that satisfy the components outlined in the July MFN Letter, including the Administration's MFN pricing requests. We also announced the expansion of our direct-to-patient program. While this development reflects ongoing engagement on pricing policy, the ultimate effects on our pricing, reimbursement, net sales and profitability remain uncertain in light of evolving regulatory and policy expectations. We also face risks related to the reporting of pricing data that affects reimbursement of and discounts provided for our products. U.S. government price reporting regulations are complex and may require biopharmaceutical manufacturers to update certain previously submitted data. If our submitted pricing data are incorrect, we may become subject to substantial fines and penalties or other government enforcement actions, which could have a material adverse effect on our business and results of operations. In addition, as a result of restating previously reported price data, we may be required to pay additional rebates and provide additional discounts.
Regulation - Risk 4
Some of our products are used with drug delivery or companion diagnostic devices that have their own regulatory, manufacturing and other risks.
Many of our products and product candidates may be used in combination with a drug delivery device, such as an injector or other delivery system. For example, Neulasta is available as part of the Neulasta Onpro kit, our AutoTouch reusable autoinjector is used with ENBREL Mini single-dose prefilled cartridges, Repatha can be administered with the Repatha SureClick autoinjector, and WEZLANA uses our ConfiPen drug delivery device. In addition, some of our products or product candidates, including many of our oncology product candidates and products, including LUMAKRAS/LUMYKRAS, may also require the use of a companion or other diagnostic device such as a device that determines whether the patient is eligible to use our drug or that helps ensure its safe and effective use. In some regions, including the United States, regulatory authorities may require contemporaneous approval of the companion diagnostic device and the therapeutic product; in others the regulatory authorities may require a separate study of the companion diagnostic device. Our product candidates or expanded indications of our products used with such devices may not be approved or may be substantially delayed in receiving regulatory approval if development or approval of such devices is delayed, such devices do not also gain or maintain regulatory approval or clearance, or if such devices do not remain commercially available. When approval of the product and device is sought under a single marketing drug application, the increased complexity of the review process may delay receipt of regulatory approval. In addition, some of these devices may be provided by single-source unaffiliated third-party companies. We are dependent on the sustained cooperation and effort of those third-party companies to supply and/or market the devices and, in some cases, to conduct the studies required for approval or clearance by the applicable regulatory agencies. We are also dependent on those third-party companies continuing to meet applicable regulatory or other requirements. See We rely on third-party suppliers for certain of our raw materials, medical devices and components. Failure to successfully develop, modify, or supply the devices, delays in or failures of the Amgen or third-party studies, or failure by us or the third-party companies to obtain or maintain regulatory approval or clearance of the devices could result in increased development costs; delays in, or failure to obtain or maintain, regulatory approval; and/or associated delays in a product candidate reaching the market or in the addition of new indications for existing products. We are also required to collect and assess user complaints, adverse events and malfunctions regarding our devices, and actual or perceived safety problems or concerns with a device used with our product can lead to regulatory actions and adverse effects on our products. See Our current products and products in development cannot be sold without regulatory approval. Additionally, regulatory agencies conduct routine monitoring and inspections to identify and evaluate potential issues with our devices. For example, in 2017, the FDA reported on its adverse event reporting system that it was evaluating our Neulasta Onpro kit. Subsequently, we implemented device and labeling enhancements to address product complaints received on this device. We continuously monitor complaints and adverse events and implement additional enhancements as needed. Loss of regulatory approval or clearance of a device that is used with our product may also result in the removal of our product from the market. Further, failure to successfully develop, supply, or gain or maintain approval for these devices could adversely affect sales of the related approved products. See also We rely on third-party suppliers for certain of our raw materials, medical devices and components.
Litigation & Legal Liabilities1 | 3.6%
Litigation & Legal Liabilities - Risk 1
Our business may be affected by litigation and government investigations.
We and certain of our subsidiaries are involved in legal proceedings. See Part IV-Note 20, Contingencies and commitments, to the Consolidated Financial Statements. Civil and criminal litigation is inherently unpredictable, and the outcome can result in costly verdicts, fines and penalties, exclusion from federal healthcare programs and/or injunctive relief that affect how we operate our business. Defense of litigation claims can be expensive, time consuming and distracting, and it is possible that we could incur judgments or enter into settlements of claims for monetary damages or change the way we operate our business, which could have a material adverse effect on our product sales, business and results of operations. In addition, product liability is a major risk in testing and marketing biotechnology and pharmaceutical products. We may face substantial product liability exposure in human clinical trials and for products we sell after regulatory approval. Product liability claims, regardless of their merits, could be costly and divert management's attention and could adversely affect our reputation and the demand for our products. We and certain of our subsidiaries have previously been, and currently are, named as defendants in product liability actions for certain of our products. We are also involved in government investigations that arise in the ordinary course of our business. In recent years, there has been a trend of increasing government investigations and litigations against companies operating in our industry, both in the United States and around the world. See Our sales depend on coverage and reimbursement from government and commercial third-party payers, and pricing and reimbursement pressures have affected, and are likely to continue to affect, our profitability. Our business activities outside of the United States are subject to the FCPA and similar antibribery or anticorruption laws, regulations or rules of other countries in which we operate, including the U.K. Bribery Act. We cannot ensure that all our employees, agents, contractors, vendors, licensees, partners or collaborators will comply with all applicable laws and regulations. We entered into a corporate integrity agreement with the DOJ and the Office of Inspector General of the HHS to settle certain allegations relating to our support of independent charitable organizations that provide patients with financial assistance to access their medicines that required us to maintain a corporate compliance program and to undertake a set of defined corporate integrity obligations that we completed in 2024. While we fully complied with all of our obligations under the corporate integrity agreement, we may be subject to future corporate integrity agreements and failure to comply could result in substantial penalties and potential exclusion from government healthcare programs. We may also see new government investigations of or actions against us citing novel theories of recovery. For example, prosecutors are placing greater scrutiny on patient support programs, including commercial copay assistance programs, and further enforcement actions and investigations regarding such programs could limit our ability to provide co-pay assistance to commercial patients. Greater scrutiny has also been placed on sponsorships, speaker programs and other arrangements where healthcare professionals receive remuneration, travel or other value to participate in certain events, and further enforcement actions could adversely affect our ability to participate in such arrangements. Any of these results could have a material adverse effect on our business and results of operations.
Taxation & Government Incentives1 | 3.6%
Taxation & Government Incentives - Risk 1
We could be subject to additional tax liabilities, including from an adverse outcome in our ongoing tax dispute with the IRS and other tax examinations, enactment of the OECD minimum corporate tax rate agreement and the adoption and interpretation of new tax legislation, including OB3. Such tax liabilities could adversely affect our profitability and results of operations.
We are subject to income and other taxes in the United States and other jurisdictions in which we do business. As a result, our provision for income taxes is derived from a combination of applicable tax rates in the various places we operate. Significant judgment is required for determining our provision for income tax. One or more of our legal entities file income tax returns in the U.S. federal jurisdiction, various U.S. state jurisdictions and foreign jurisdictions. Our income tax returns are routinely examined by tax authorities in those jurisdictions. Significant disputes can and have arisen with tax authorities involving issues regarding the timing and amount of deductions, the use of tax credits and allocations of income and expenses among various tax jurisdictions because of differing interpretations of tax laws, regulations and relevant facts, and such tax authorities (including the IRS) are becoming more aggressive in its audits and are particularly focused on such matters. In 2017, we received an RAR and a modified RAR from the IRS for the years 2010–2012, proposing significant adjustments that primarily relate to the allocation of profits between certain of our entities in the United States and the U.S. territory of Puerto Rico. We disagreed with the proposed adjustments and calculations, and in 2021, we filed a petition in the U.S. Tax Court to contest two duplicate Statutory Notices of Deficiency (Notices) for the years 2010–2012. The Notices seek to increase our U.S. taxable income for the years 2010–2012. In 2020, we received an RAR and a modified RAR from the IRS for the years 2013–2015, also proposing significant adjustments that primarily relate to the allocation of profits between certain of our entities in the United States and the U.S. territory of Puerto Rico similar to those proposed for the years 2010–2012. We disagreed with the proposed adjustments and calculations, and in 2022, we filed a petition in the U.S. Tax Court to contest a Notice for the years 2013–2015. The Notice seeks to increase our U.S. taxable income for the years 2013–2015 and asserts penalties. We firmly believe that the IRS positions set forth in the 2010–2012 and 2013–2015 Notices are without merit. We continue to contest the 2010–2012 and 2013–2015 Notices through the judicial process. The two cases were consolidated in 2022. The trial began on November 4, 2024 and concluded on January 17, 2025. The parties filed opening post-trial briefs on June 13, 2025, and the Court held oral argument on July 16, 2025. The parties filed post-trial reply briefs on October 10, 2025. The Company expects a decision from the U.S. Tax Court no earlier than the second half of 2026. We are currently also under examination by the IRS for the years 2016–2018 with respect to issues similar to those for the 2010 through 2015 period. As a result of the audit, the IRS could propose adjustments or penalties that, in all or part, relate to issues in the 2010-2015 dispute. We expect that the IRS will begin its audit of 2019–2022 in the first half of 2026, and we believe that it may seek to continue to audit similar issues related to the allocation of income between the United States and our foreign jurisdictions. In addition, we are under examination by a number of state and foreign tax jurisdictions. Final resolution of these complex tax matters is not likely within the next 12 months. We continue to believe our accrual for income tax liabilities is appropriate based on past experience, interpretations of tax law, application of the tax law to our facts and judgments about potential actions by tax authorities; however, due to the complexity of the provision for income taxes and uncertain resolution of these matters, the ultimate outcome of any tax matters may result in payments substantially greater than amounts accrued and could have a material adverse effect on the results of our operations. See Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations-Results of Operations-Income Taxes, and Part IV-Note 7, Income taxes, to the Consolidated Financial Statements. Our provision for income taxes and results of operations in the future could be adversely affected by changes to our operating structure, changes in the mix of income and expenses in countries with differing tax rates, changes in the valuation of deferred tax assets and liabilities and changes in applicable tax laws, regulations or administrative interpretations thereof. The 2017 Tax Act is complex and a large volume of regulations and guidance has been issued and could be subject to different interpretations. We could face audit challenges to our application of the 2017 Tax Act. As previously reported, the OECD reached an agreement to align countries on a minimum corporate tax rate and an expansion of the taxing rights of market countries. Select individual countries, including the United Kingdom, EU member countries, and Singapore, have enacted the global minimum tax agreement that took effect starting in 2024. On January 5, 2026, the OECD issued additional administrative guidance related to the global minimum tax agreement that exempts U.S. companies from extra territorial minimum taxes effective January 1, 2026. We are monitoring the potential 2026 impact of such administrative guidance as jurisdictions enact the new rules. Delays, modifications or repeal, in whole or in part, of the administrative guidance or the OECD agreement itself, either by all OECD participants or unilaterally by individual countries, could result in negative impacts on our overall tax rate. OB3 includes significant provisions related to taxation, such as the permanent extension of certain expiring provisions of the 2017 Tax Act, and modifications to the international tax framework. This legislation has multiple effective dates, with certain provisions effective in 2026 and beyond. While we have incorporated the impact of OB3 in our 2025 financial statements, the legislation is complex and guidance could be issued that could impact our 2025 or future U.S. taxes. Changes to existing tax law in the United States, the U.S. territory of Puerto Rico or other jurisdictions, including the changes and potential changes discussed above, could result in tax increases where we do business and could have a material adverse effect on the results of our operations.
Tech & Innovation
Total Risks: 4/28 (14%)Below Sector Average
Innovation / R&D2 | 7.1%
Innovation / R&D - Risk 1
We must conduct clinical trials in humans before we commercialize and sell any of our product candidates or existing products for new indications.
Before a product may be sold, we must conduct clinical trials to demonstrate that our product candidates are safe and effective for use in humans. The results of those clinical trials are used as the basis to obtain approval from regulatory authorities such as the FDA and EMA. See Our current products and products in development cannot be sold without regulatory approval. We are required to conduct clinical trials using an appropriate number of trial sites and patients to support the product label claims. The length of time, number of trial sites and number of patients required for clinical trials vary substantially, and we may spend several years and incur substantial expense in completing certain clinical trials. In addition, we may have difficulty finding a sufficient number of clinical trial sites and/or patients to participate in our clinical trials, particularly if competitors are conducting clinical trials in similar patient populations and/or in rare disease therapy clinical trials due to the inherently small patient population potentially served by such therapies. Patients may withdraw from clinical trials at any time (including trials in which patients believe that they may not be receiving a clinical benefit), and evolving legal obligations including, but not limited to, privacy laws and/or other restrictions in certain countries may restrict the ability of clinical trial investigators to conduct further follow-up on such patients, which may adversely affect the interpretation of study results. Regulatory authorities may also pause or halt conduct of clinical trials based on their appraisal of the potential or actual risks of continuing the study. Delays and complications in planned clinical trials can result in increased development costs, associated delays in regulatory approvals and in product candidates reaching the market and revisions to existing product labels. Further, to increase the number of patients available for enrollment in our clinical trials, we have opened, and will continue to open, clinical sites and enroll patients in a number of locations where our experience conducting clinical trials is more limited, including India, China, South Korea, the Philippines, Singapore, Saudi Arabia and some Central and South American countries, either through utilization of third-party contract clinical trial providers entirely or in combination with local staff. Conducting clinical trials in locations where we have limited experience requires substantial time and resources to understand the unique regulatory environments of individual countries. For other examples of the risks of conducting clinical trials in China, see also Our sales and operations are subject to the risks of doing business internationally, including in emerging markets. Further, we must ensure the timely production, distribution and delivery of the clinical supply of our product candidates to numerous and varied clinical trial sites. Additionally, regional disruptions, including natural and man-made disasters, health emergencies (such as novel viruses or pandemics), or geopolitical conflicts (such as the ongoing armed conflicts in Ukraine and the Middle East) have significantly disrupted the timing of clinical trials, and in the future could disrupt the timing, execution and outcome of clinical trials. If we fail to adequately manage the design, execution and diverse regulatory aspects of our clinical trials or to manage the production or distribution of our clinical supply, or such sites experience disruptions as a result of a natural/man-made disaster, health emergency or geopolitical conflict, corresponding regulatory approvals may be delayed or we may fail to gain approval for our product candidates or could lose our ability to market existing products in certain therapeutic areas or altogether. If we are unable to market and sell our products or product candidates or to obtain approvals in the timeframe needed to execute our product strategies, our business and results of operations could be materially and adversely affected. We rely on independent third-party clinical investigators to recruit patients and conduct clinical trials on our behalf in accordance with applicable study protocols, laws and regulations. We also rely on unaffiliated third-party vendors to perform certain aspects of our clinical trial operations, including that such vendors have appropriate experienced staff to execute on such activities. Further, the disease states that we are studying, such as cancers, require complex treatment protocols that may be difficult to consistently apply across global trial sites, which can impact the quality, interpretability, timing and/or registrability of the data generated. In some circumstances, we enter into co-development arrangements with other pharmaceutical and medical devices companies that provide for the other company to conduct certain clinical trials for the product we are co-developing or to develop a diagnostic test used in screening or monitoring patients in our clinical trials. See Some of our pharmaceutical pipeline and our commercial product sales rely on collaborations with third parties, which may adversely affect the development and sales of our products. We also may acquire companies that have past or ongoing clinical trials or rights to products or product candidates for which clinical trials have been or are being conducted. These trials may not have been conducted to the same standards as ours; however, once an acquisition has been completed we assume responsibility for the conduct of these trials, including any potential risks and liabilities associated with the past and prospective conduct of those trials. If regulatory authorities determine that we or others, including our licensees or co-development partners, or the independent investigators or vendors selected by us, our co-development partners or by a company we have acquired or from which we have acquired rights to a product or product candidate, have not complied with regulations applicable to the clinical trials, those authorities may refuse or reject some or all of the clinical trial data or take other actions that could delay or otherwise negatively affect our ability to obtain or maintain marketing approval of the product or indication. In addition, delays or failures to develop diagnostic tests or delivery devices for our clinical trials can affect the timely enrollment of such trials and lead to delays or inability to obtain marketing approval. If we were unable to market and sell our products or product candidates, our business and results of operations could be materially and adversely affected. In addition, some of our clinical trials utilize drugs and combination products manufactured and marketed by other pharmaceutical companies or vendors. These drugs, devices and/or products may be administered or used in clinical trials in combination with one of our products or product candidates or in a head-to-head study comparing the products' or product candidates' relative efficacy and safety. In the event that any of these vendors or pharmaceutical companies have unforeseen issues that negatively affect the quality of their work product or create a shortage of supply, or if we are otherwise unable to obtain an adequate supply of these other drugs, our ability to complete our applicable clinical trials and/or evaluate clinical results may also be negatively affected. As a result, such quality or supply problems could adversely affect our ability to timely file for, gain or maintain regulatory approvals worldwide. Clinical trials must generally be designed based on the current standard of medical care. However, in certain diseases, such as cancer, the standard of care is evolving rapidly. In some cases, we may design a clinical trial based on the standard of care we anticipate will exist at the time our study is completed. The duration of time needed to complete certain clinical trials may result in the design of such clinical trials being based on standards of medical care that are no longer or that have not become the current standards by the time such trials are completed, limiting the utility and application of such trials. Additionally, the views of regulatory agencies relating to the requirements for accelerated approval have evolved over time, and trial designs that were sufficient to support accelerated approvals for some oncology products may not be considered sufficient for later candidates. In addition, access to expedited regulatory programs, including priority review vouchers and other programs tied to agency-designated national or public health priorities, is subject to evolving agency eligibility criteria and guidance, and may not be available for our product candidates or may not result in expedited review or approval. We may not obtain favorable clinical trial results and therefore may not be able to obtain regulatory approval for new product candidates or new indications for existing products and/or maintain our current product labels. Participants in clinical trials of our products and product candidates may also suffer adverse medical events or side effects that could, among other factors, delay or terminate clinical trial programs and/or require additional or longer trials to gain approval. Even after a product is on the market, safety concerns may require additional or more extensive clinical trials as part of a risk management plan for our product or for approval of a new indication. Additional clinical trials we initiate, including those required by the FDA, could result in substantial additional expense, and the outcomes could result in further label restrictions or the loss of regulatory approval for an approved indication, each of which could have a material adverse effect on our product sales, business and results of operations. Additionally, any negative results from such trials could materially affect the extent of approvals, the use, reimbursement and sales of our products, our business and results of operations.
Innovation / R&D - Risk 2
We may not be able to develop commercial products despite significant investments in R&D.
Amgen invests heavily in R&D. Successful product development in the biotechnology industry is highly uncertain, and very few R&D projects yield approved and commercially viable products. Product candidates, including biosimilar product candidates, or new indications for existing products (collectively, product candidates) that appear promising in the early phases of development have failed to reach the market for a number of reasons, such as: - the product candidate did not demonstrate acceptable clinical trial results even though it achieved its primary endpoints and/or demonstrated positive preclinical or early clinical trial results, for reasons that could include changes in the standard of care of medicine or expectations of health authorities;- the product candidate was not effective or not more effective than currently available or potentially competitive therapies in treating a specified condition or illness;- the product candidate was not cost effective in light of existing or potentially competitive therapeutics;- the product candidate had harmful side effects in animals or humans;- the necessary regulatory bodies, such as the FDA or EMA, did not approve the product candidate for an intended use;- reimbursement for the product candidate is limited despite regulatory approval;- the product candidate was not economical for us to manufacture and/or commercialize;- the patient population size is smaller than anticipated;- other parties had or may have had proprietary rights relating to our product candidate, such as patent rights, and did not let us sell it on reasonable terms, or at all;- we and certain of our licensees, partners, contracted organizations or independent investigators failed to effectively conduct clinical development or clinical manufacturing activities;- the pathway to regulatory approval or reimbursement for product candidates was uncertain or not well-defined;- the biosimilar product candidate failed to demonstrate the requisite biosimilarity to the applicable reference product, or was otherwise determined by a regulatory authority to not meet applicable standards for approval; and - a companion diagnostic device that is required with the use of a product candidate is not approved by the necessary regulatory authority. We believe that genetics, together with the benefit of artificial intelligence and computational evidence, could meaningfully aid our search for new medicines and help guide our R&D decisions and investments, and have focused our R&D strategy on drug targets validated by genetic or other compelling human evidence. We have invested considerable time, energy and resources into developing our expertise in human genetics and acquiring access to libraries of genetic information, and are applying artificial intelligence to our R&D activities, including applying such technologies to advance our human data efforts and our generative biology platform that seek to discover and design new drugs. However, product candidates based on genetically validated targets or developed with the assistance of such technologies remain subject to the uncertainties of the drug development process and may not reach the market for a number of reasons, including the factors listed above.
Trade Secrets1 | 3.6%
Trade Secrets - Risk 1
Our intellectual property positions may be challenged, invalidated or circumvented, or we may fail to prevail in current and future intellectual property litigation.
Our success depends in part on our ability to obtain and defend patent rights and other intellectual property rights that are important to the commercialization of our products and product candidates. The patent positions of pharmaceutical and biotechnology companies can be highly uncertain and often involve complex legal, scientific and factual questions. Driven by cost pressures, efforts to limit or weaken patent protection for our industry are increasing. For example, the COVID-19 pandemic resulted in increased interest in compulsory licenses, march-in rights or other governmental interventions, both in the United States and internationally, related to the procurement of drugs, and governments and international bodies have since adopted or considered regulations that could facilitate the use of such measures during public health or other emergencies. At the end of 2023, the prior Administration released a proposed framework that would consider price as a factor when determining whether to exercise march-in rights pursuant to the Bayh-Dole Act with respect to drugs or other taxpayer-funded inventions, and the status and potential implementation of such framework remains uncertain. Further, in early 2025, the Administration took actions affecting federal workforce staffing and operations. Significant reductions of, or disruptions to, staffing and resources available at the USPTO could lead to delays in the examination or approval of patent applications, or other challenges to securing and/or enforcing our intellectual property rights. Third parties have challenged and may continue to challenge, invalidate or circumvent our patents (including any patent applications, term extensions, term adjustments and supplemental protection certificates) relating to our products, product candidates and technologies. See Part IV-Note 20, Contingencies and commitments, to the Consolidated Financial Statements. Challenges to patents have come from potential competitors or from parties other than those who sought to market a potentially-infringing product. In addition, in certain cases our patent positions have not protected us, and may not protect us, against competitors with similar products or technologies because competing products or technologies may not infringe our patents. For certain of our products and/or product candidates, third parties may obtain patents that claim the product, one or more of its uses, the drug delivery device used to administer the product, or our manufacturing process used to make the product, and they may seek to prevent us from commercializing the product and/or seek payment of a royalty on the product's sales in one or more territories. Further, disputes may arise with third parties from whom we have licensed rights to intellectual property necessary for the development and commercialization of some of our products. In addition, our intellectual property licensing and related business practices have been, and may in the future be, subject to antitrust and competition law scrutiny, which could result in litigation, enforcement actions and/or restrictions on our business. Patent disputes are frequent, costly and can preclude, delay or increase the cost of commercialization of products. We have been in the past, are currently and expect to be in the future, involved in patent litigation. These matters have included, and may in the future include, litigation with manufacturers of products that purport to be biosimilars of certain of our products for patent infringement, invalidity, unenforceability and failure to comply with certain provisions of the BPCIA, and litigation with manufacturers of innovator products that allege patent infringement. A determination made by a court, agency or tribunal concerning infringement, validity, enforceability, injunctive or economic remedy, or the right to patent protection, for example, are typically subject to appellate or administrative review. Upon review, such initial determinations may be afforded little or no deference by the reviewing tribunal and may be affirmed, reversed or made the subject of reconsideration through further proceedings. A patent dispute or litigation has not discouraged, and may not in the future discourage, a potential violator from bringing the allegedly infringing product to market prior to a final resolution of the dispute or litigation. The period from inception until resolution of a patent dispute or litigation is subject to the availability and schedule of the court, agency or tribunal before which the dispute or litigation is pending. We have been, and may in the future be, subject to competition during this period and may not be able to recover fully from the losses, damages and harms we incur from infringement by the competitor product even if we prevail. Moreover, if we lose or settle current or future litigations at certain stages or entirely, we could be subject to competition and/or significant liabilities, be required to enter into third-party licenses for the infringed product or technology or be required to cease using the technology or product in dispute. In addition, we cannot guarantee that such licenses will be available on terms acceptable to us, or at all. Further, under the Hatch–Waxman Act, our products approved by the FDA under the FDCA have been, and may in the future be, the subject of patent litigation with generics competitors before expiry of the five-year period of data exclusivity provided for under the Hatch-Waxman Act and prior to the expiration of the patents listed for the product. Likewise, our innovative biologic products have been, and may in the future be, the subject of patent litigation prior to the expiration of our patents and, with respect to competitors seeking approval as a biosimilar or interchangeable version of our products, prior to the 12-year exclusivity period provided under the BPCIA. In addition, we have faced, and may in the future face, patent litigation involving claims that our biosimilar product candidates infringe the patents of other companies, including those that manufacture, market or sell the applicable reference products or who are developing or have developed other biosimilar versions of such products. Patents held by other entities have contributed, and may in the future contribute, to a decision by us to not pursue all of the labeled indications of the applicable reference product. However, a decision not to pursue all of the labeled indications of the applicable reference product might not avoid, or end, potential litigation. While we have attempted, and expect to continue to attempt, to challenge the patents held by other companies, our efforts may be unsuccessful. For examples of and information related to our patent litigation, see Part IV-Note 20, Contingencies and commitments, to the Consolidated Financial Statements. Certain of the existing patents on our products have expired or will soon expire. See Item 1. Business-Marketing, Distribution and Selected Marketed Products-Patents. As our patents expire, competitors are able to legally produce and market similar products or technologies, including biosimilars, which has had, and may continue to have, a material adverse effect on our product sales, business and results of operations. In addition, competitors have been, and may continue to be, able to invalidate, design around or otherwise circumvent our patents and sell competing products.
Cyber Security1 | 3.6%
Cyber Security - Risk 1
Changed
A breakdown of our information technology systems, cyberattack or information security breach could significantly compromise the confidentiality, integrity and availability of our information technology systems, network-connected control systems and/or our data, interrupt the operation of our business and/or affect our reputation.
To achieve our business objectives, we rely on sophisticated information technology systems, including hardware, software, technology infrastructure, online sites and networks for both internal and external operations, mobile applications, cloud services, artificial intelligence (AI)-enabled tools and systems, and network-connected control systems, some of which are managed, hosted, provided or serviced by third parties. Internal or external events that compromise the confidentiality, integrity and availability of our systems and data may significantly interrupt the operation of our business, result in significant costs and/or adversely affect our reputation. Our information technology systems, including AI-enabled tools and systems are highly integrated into our business, including our R&D efforts, our clinical and commercial manufacturing processes and our product sales and distribution processes. Further, as the majority of our employees work remotely for some portion of their jobs in our hybrid work environment, our reliance on our and third-party information technology systems has increased substantially and is expected to continue to increase. Remote and hybrid working arrangements, including those of many third-party providers, can increase cybersecurity risks due to the challenges associated with managing remote computing assets and security vulnerabilities that are present in many non-corporate and home networks. The complexity and interconnected nature of software, hardware and our systems make them vulnerable to breakdown or other service interruptions, and to software errors or defects, misconfiguration and other security vulnerabilities. For example, in July 2024, businesses worldwide were affected by an information technology outage due to a faulty software update issued by a cybersecurity firm. Although our systems and operations were temporarily affected by the outage, the impact of this firm's faulty update on the Company was immaterial to our business operations. However, there can be no assurance that a future similar incident would not result in a material adverse effect on our business or results of operations. Upgrades or changes to our systems or the software that we use have resulted and we expect, in the future, will result in the introduction of new cybersecurity vulnerabilities and risks. In the past, we have identified security vulnerabilities introduced into our information systems arising from flaws in third-party software that we had purchased and installed, which required us to apply emergency patches to certain systems. While we did not experience any significant adverse effects as a result of these vulnerabilities, there can be no assurance that we will timely identify and address future vulnerabilities. Our systems are also subject to frequent perimeter network reconnaissance and scanning, phishing and other cyberattacks. For example, as a result of our cybersecurity monitoring of the Horizon legacy information systems, we detected phishing activity in the accounts of two Horizon executives. These accounts were de-activated, the incidents were investigated and the determination was made separately by both our internal cybersecurity team and our external digital forensics and incident response supplier that no confidential information had been exfiltrated, and the incidents are now closed. As the cyber-threat landscape evolves, these attacks are growing in frequency, sophistication, and intensity, and are becoming increasingly difficult to detect and increasingly sophisticated in using techniques and tools, including AI, that circumvent security controls, evade detection and remove forensic evidence. Such attacks include the use of harmful and virulent malware, including ransomware or other denials of service, which can be deployed through various means, including the software supply chain, e-mail, malicious websites and/or the use of social engineering/phishing, and/or AI to orchestrate and automate sophisticated cyberattacks, including the documented instance in which an AI agent was used to conduct a large-scale intrusion campaign, potentially lowering the barriers to high-speed, high-volume attacks. We have also experienced denial of service attacks against our network, and, although such attacks did not succeed, there can be no assurance that our efforts to guard against the wide and growing variety of potential attack techniques will be successful in the future. Attacks such as those experienced by government entities (including those that approve and/or regulate our products, such as the EMA) and other multi-national companies, including some of our peers, could leave us unable to utilize key business systems or access or protect important data, and could have a material adverse effect on our ability to operate our business, including developing, gaining regulatory approval for, manufacturing, selling and/or distributing our products. For example, in 2017, a pharmaceutical company experienced a cyberattack involving virulent malware that significantly disrupted its operations, including its research and sales operations and the production of some of its medicines and vaccines. As a result of the cyberattack, its orders and sales for certain products were negatively affected. In late 2020, SolarWinds Corporation, a leading provider of software for monitoring and managing information technology infrastructure, disclosed that it had suffered a cybersecurity incident whereby attackers had inserted malicious code into legitimate software updates for its products that were installed by myriad private and government customers, enabling the attackers to access a backdoor to such systems. We also rely on third-party providers for certain identity, authentication and access management services. In the past, a security incident affecting such a third-party provider exposed several hundred corporate customers to potential unauthorized access to systems and data. Although that breach did not have a significant effect on our business, there can be no assurance that a similar future breach would not result in a material adverse effect on our business or results of operations. Our systems also contain and use a high volume of sensitive data, including intellectual property, trade secrets and other proprietary business information, financial information, regulatory information, strategic plans, sales trends and forecasts, litigation materials and/or personal identifiable information belonging to us, our staff, our patients, customers and/or other parties. In some cases, we use third-party service providers to collect, process, store, manage or transmit such data, which has increased our risk. Intentional or inadvertent data privacy or security breaches (including cyberattacks) resulting from attacks or lapses by employees, service providers (including providers of information technology-specific services), business partners, nation states (including groups associated with or supported by foreign intelligence agencies), organized crime organizations, "hacktivists" or others, create risks that our sensitive data may be exposed to unauthorized persons, our competitors or the public. Geopolitical tensions and the increasing targeting of critical infrastructure and global supply chains by nation-state and affiliated actors may heighten the risk of widespread or coordinated cyberattacks, affecting not only our systems but also those of key partners, vendors or industry platforms on which we rely. Malicious actors, including those working under state-sponsored campaigns, have sought employment, often in remote information technology roles, as a means to gain inside access at targeted companies. In two separate incidents, the most recent of which occurred in 2025, individuals used fraudulent identification in connection with their hiring by the Company. While these individuals were detected and terminated before any data was extracted or malware installed, there can be no assurance that future attempts by similar actors will be unsuccessful. System vulnerabilities and/or cybersecurity breaches experienced by our third-party service providers have constituted a substantial share of the information security risks that have affected us. We continue to experience cybersecurity incidents involving third-party service providers, including incidents in which unauthorized third parties accessed or exfiltrated certain information, including non-significant Amgen data and personally identifiable patient information, and we have made required regulatory notifications in connection with certain such incidents. For example, in November 2025, a third-party service provider had a cybersecurity incident in which Amgen-related information was accessed and disclosed by a threat actor that, upon review, did not involve information material to the Company. Although these supplier data breaches have not resulted in material adverse effects on our business, there can be no assurance that a similar future cybersecurity incident would not result in a material adverse effect on our business or results of operations. Further, the timeliness of our awareness of a cybersecurity incident affects our ability to respond to and work to mitigate the severity of such events. For example, we have previously experienced incidents in which third-party vendors initially reported that cyberattacks did not involve our data but later determined that attackers had accessed limited, non-significant Amgen information. Although such incidents have not resulted in significant adverse effects on our business, future incidents in which we do not receive timely or complete information regarding the nature or scope of a cybersecurity event could impair our response and could have a material adverse effect on our business. Cyberattackers are also increasingly exploiting vulnerabilities in commercially available software from shared or open-source code. We rely on third party commercial software that have had and may have such vulnerabilities, but as use of open-source code is frequently not disclosed, our ability to fully assess this risk to our systems is limited. Although these vulnerabilities did not result in any significant adverse effects on us, there can be no assurances that a similar future vulnerability in the software and services that we use would not result in a material adverse effect on our business or results of operations. Domestic and global government regulators, our business partners, suppliers with whom we do business, companies that provide us or our partners with business services and companies we have acquired or may acquire face similar risks. Security breaches of their systems or service outages have adversely affected systems and could, in the future, affect our systems and security, leave us without access to important systems, products, raw materials, components, services or information, or expose our confidential data or sensitive personal information. For example, we have experienced cybersecurity incidents at third-party vendors that provide testing, analytical, information technology and clinical data services, which required us to temporarily disconnect our systems from those vendors. Although these incidents did not result in breaches of our systems or significantly affect product availability, a prolonged or more widespread service outage affecting these or other vendors, particularly where a vendor is a single source for critical services, could have a material adverse effect on our business or results of operations. In 2024, Change Healthcare, a large U.S. insurance claim and co-pay card processing clearinghouse, experienced a ransomware attack that has caused significant disruptions to healthcare provider and pharmacy operations. While Change Healthcare does not directly provide us with services, disruptions to co-pay card support, insurance billing and Medicaid rebate processing led to lost sales and required us to take action to help patients access their medications and to provide extended payment terms to certain customers. Although services have been rerouted and restored, and the impact on our business was immaterial, similar disruptions may occur in the future stemming from the interconnectedness of the U.S. healthcare ecosystem and industry reliance on centralized claims processing systems and networks, and such future disruptions may have a material adverse effect on our business or results of operations. In addition, we distribute our products in the United States primarily through three pharmaceutical wholesalers, and a security breach that impairs the distribution operations of our wholesalers could significantly impair our ability to deliver our products to healthcare providers and patients. There can be no assurance that our cybersecurity risk management program and processes, including our policies, controls, or procedures, will be fully implemented, complied with or effective in protecting our information technology systems and sensitive data. Although we have experienced system breakdowns, attacks and information security breaches, we do not believe such breakdowns, attacks and breaches have had a material adverse effect on our business or results of operations. We will continue to experience varying degrees of cyberattacks and other incidents in the future. Even though we continue to invest in the monitoring, protection and resilience of our critical and/or sensitive data and systems, there can be no assurance that our efforts will detect, prevent or fully recover systems or data from all breakdowns, service interruptions, attacks and/or breaches of our systems that could adversely affect our business and operations and/or result in the loss or exposure of critical, proprietary, private, confidential or otherwise sensitive data, which could result in material financial, legal business or reputational harm to us or negatively affect our stock price. While we maintain cyber-liability insurance, our insurance is not sufficient to cover us against all losses that could potentially result from a service interruption, breach of our systems or loss of our critical or sensitive data. We are also subject to various laws and regulations globally regarding cybersecurity, privacy and data protection, including laws and regulations relating to the collection, storage, handling, use, disclosure, transfer and security of personal data. The legislative and regulatory environment regarding privacy and data protection continues to evolve and receive significant attention globally. For example, we are subject to the EU's General Data Protection Regulation and the California Consumer Privacy Act, as amended (CCPA), both of which impose comprehensive data protection obligations and provide for substantial penalties for noncompliance. Similar consumer privacy and data protection laws have been enacted or proposed in more than half of U.S. states, many of which impose obligations and restrictions that are comparable to, or in some cases more stringent than, those under the CCPA. Outside the United States, other jurisdictions where we operate have passed, or continue to propose, data privacy or cybersecurity legislation and/or regulations. For example, in China, the Personal Information Protection Law and the Data Security Law, which regulate data processing activities associated with personal and nonpersonal data, builds upon the existing Cybersecurity Law. Failure to comply with these current and future laws could result in significant penalties and reputational harm and could have a material adverse effect on our business and results of operations. We are adopting and exploring the use of AI in our business, and as an emerging and rapidly evolving technology, our use of AI introduces potential opportunities but also presents risks that could adversely affect our operations, information security and reputation. AI systems may produce inaccurate or flawed outputs due to flawed algorithms, or insufficient and/or erroneous training data. Reliance on flawed outputs could prevent us from effectively utilizing AI in our business or result in lower quality decision-making. We may also become vulnerable to operational disruptions if the AI technologies we use experience downtimes or are compromised by cyberattacks. If we do not effectively implement guardrails and train our staff on the safe and proper use of AI, or if our staff fail to effectively adhere to our established guardrails and training on the use of AI, we may experience adverse effects on our business, including data breaches, the loss of confidential information (including our intellectual property), unintentional disclosure of personal data, or other misuse of our proprietary information. The market for AI technologies also varies significantly in maturity, security, transparency and reliability, and AI tools and platforms we evaluate, deploy or use, including those provided by third parties, may not perform as expected or provide sufficient capabilities to address evolving operational or cybersecurity needs. Certain AI-enabled tools, including AI-driven cybersecurity tools, are designed to rapidly identify vulnerabilities, misconfigurations and control gaps, increasing the volume and speed at which potential exposures are identified, and are likely to accelerate malicious activities by threat actors and increase the likelihood and/or severity of cyber incidents. If we do not effectively assess, implement, govern and update these technologies, we may experience increased cybersecurity risks, operational inefficiencies or reduced effectiveness of our security controls. Further, several governments and regulatory authorities have proposed or passed laws and regulations governing the use of AI. For example, the European Parliament has adopted the Artificial Intelligence Act establishing EU-wide rules on data quality, transparency, human oversight and accountability with respect to the use of AI, and U.S. federal and state governments, including California, have enacted or are considering laws regulating the development and use of AI. In 2024, the EU also revised its Cybersecurity Directive NIS2 rules that create new cybersecurity risk management and reporting obligations. Failure to comply with these current and future laws could result in significant penalties and reputational harm and could have a material adverse effect on our business and results of operations.
Production
Total Risks: 4/28 (14%)Above Sector Average
Manufacturing2 | 7.1%
Manufacturing - Risk 1
We perform a substantial majority of our commercial manufacturing activities at our facility in the U.S. territory of Puerto Rico and a substantial majority of our clinical manufacturing activities at our facility in Thousand Oaks, California; significant disruptions or production failures at these facilities could significantly impair our ability to supply our products or continue our clinical trials.
The global supply of our products and product candidates for commercial sales and for use in our clinical trials is significantly dependent on the uninterrupted and efficient operation of our manufacturing facilities, in particular those in the U.S. territory of Puerto Rico and Thousand Oaks, California. See Manufacturing difficulties, disruptions or delays could limit supply of our products and limit our product sales. We currently perform a substantial majority of our clinical manufacturing that supports our product candidates at our facility in Thousand Oaks, California. A substantial disruption in our ability to operate our Thousand Oaks manufacturing facility could materially and adversely affect our ability to supply our product candidates for use in our clinical trials, leading to delays in development of our product candidates. In addition, we currently perform a substantial majority of our commercial manufacturing activities at our facility in the U.S. territory of Puerto Rico. Puerto Rico has experienced, and continues to be vulnerable to, natural disasters, including hurricanes and earthquakes, that have disrupted the functioning of critical infrastructure such as electric power, water supply, communications networks and transportation systems. The ongoing instability of the island's electric grid has required, at times, sustained reliance on backup generation, and disruptions affecting the island have also impacted certain third-party suppliers and logistics providers. In addition, public health emergencies, labor disruptions, economic challenges and other events affecting Puerto Rico could further disrupt our manufacturing operations, the availability of labor and utilities, and/or the transportation of supplies and finished products. Although our ability to manufacture and supply our products has not, to date, been significantly affected by such events, these challenges, or a combination of these challenges, or other issues that create a substantial disruption to our ability to operate our Puerto Rico manufacturing facility or get supplies and manufactured products transported to and from that location, could make it more expensive or difficult for us to operate in Puerto Rico, and could materially and adversely affect our ability to supply our products and affect our product sales. See Manufacturing difficulties, disruptions or delays could limit supply of our products and limit our product sales.
Manufacturing - Risk 2
Manufacturing difficulties, disruptions or delays could limit supply of our products and limit our product sales.
Manufacturing biologic and small molecule human therapeutic products is difficult, complex and highly regulated. We manufacture many of our commercial products and product candidates internally. In addition, we use third-party contract manufacturers to produce, or assist in the production of, a number of our products, and we currently use contract manufacturers to produce, or assist in the production of, a number of our late-stage product candidates and drug delivery devices. The number of third-party contract manufacturers that we use has increased with our acquisition of Horizon, as Horizon required contract manufacturers for all of its products. See Item 1. Business-Manufacturing, Distribution and Raw Materials-Manufacturing; and Our efforts to collaborate with or acquire other companies, products, or technology, and to integrate the operations of companies or to support the products or technology we have acquired, may not be successful, and may result in unanticipated costs, delays or failures to realize the benefits of the transactions. Our ability to adequately and timely manufacture and supply our products (and product candidates to support our clinical trials) is dependent on the uninterrupted and efficient operation of our facilities and those of our third-party contract manufacturers. For example, our acquisition of Horizon resulted in the addition of more than 30 contract manufacturing organizations (CMOs) to our operations, many of which are single-source suppliers, including the CMO that produces TEPEZZA drug substance and the CMO that produces all of our KRYSTEXXA drug substance in Israel, which is affected by the current conflict in the Middle East. Our manufacturing and supply operations may be affected by: - capacity of manufacturing facilities;- contamination by microorganisms or viruses, or foreign particles from the manufacturing process;- natural or other disasters, including hurricanes, earthquakes, volcanoes or fires;- labor disputes or shortages, including the effects of health emergencies (such as novel viruses or pandemics) or natural disasters;- compliance with regulatory requirements;- changes in forecasts of future demand;- timing and actual number of production runs and production success rates and yields;- updates of manufacturing specifications;- contractual disputes with our suppliers and contract manufacturers;- timing and outcome of product quality testing;- power failures and/or other utility failures;- cyberattacks on supplier systems;- breakdown, failure, substandard performance or improper installation or operation of equipment (including our information technology systems and network-connected control systems or those of our contract manufacturers or third-party service providers);- delays in the ability of the FDA or foreign regulatory agencies to provide us necessary reviews, inspections and approvals, including as a result of a subsequent extended U.S. federal or other government shutdowns;- tariffs or other trade barriers that increase costs, limit availability, or disrupt the flow of goods; and/or - geopolitical conflicts (such as the ongoing conflicts in Ukraine and the Middle East). If any of these or other problems affect production in one or more of our facilities or those of our third-party contract manufacturers, or if we do not accurately forecast demand for our products or the amount of our product candidates required in clinical trials, we may be unable to start or increase production in our unaffected facilities to meet demand, particularly where such facilities are operating at or near capacity. If the efficient manufacture and supply of our products or product candidates is interrupted, we may experience delayed shipments, delays in our clinical trials, supply constraints, stock-outs, adverse event trends, contract disputes and/or recalls of our products. From time to time, we have initiated recalls of certain lots of our products. For example, in July 2014 we initiated a voluntary recall of an Aranesp lot distributed in the EU after particles were detected in a quality control sample following distribution of that lot, and in April 2018 we initiated a precautionary recall of two batches of Vectibix distributed in Switzerland after potential crimping defects were discovered in the metal seals on some product vials. If we are at any time unable to provide an uninterrupted supply of our products to patients, we may lose patients and physicians may elect to prescribe competing therapeutics instead of our products, which could have a material adverse effect on our product sales, business and results of operations. We are expanding our manufacturing capabilities to support current and anticipated demand for our products and product candidates. These expansion efforts are complex, capital-intensive and subject to significant risks, including construction, validation and quality assurance challenges; delays or unfavorable outcomes from regulatory inspections or approvals; labor availability and workforce readiness issues; supply chain disruptions; and contractual disputes with suppliers or contractors. We may be unable to realize anticipated efficiencies or returns on our investments if there are delays or failures of our product development programs or our receipt of regulatory approvals, if our new or expanded facilities require extended periods to achieve planned production capacity or expected yields, or if demand for our products or product candidates changes or fails to materialize. These efforts often rely on a single or limited number of vendors and suppliers, and identifying or qualifying alternatives may not be feasible or may require significant time and expense due to the specialized nature of our manufacturing requirements. In addition, tariffs on imported equipment, construction materials or key inputs have increased our costs to a limited extent in 2025, and, going forward, such tariffs, or other tariffs imposed in the future, could further increase costs, potentially disrupt supply chains, and put at risk the timely and cost-effective execution of these projects. Our manufacturing processes, those of our third-party contract manufacturers and those of certain of our third-party service providers must undergo regulatory approval processes and are subject to continued review by the FDA and other regulatory authorities. It can take longer than five years to build, validate and license another manufacturing plant, and it can take longer than three years to qualify and license a new contract manufacturer or service provider. If we elect or are required to make changes to our manufacturing processes because of new regulatory requirements, new interpretations of existing requirements or other reasons, this could increase our manufacturing costs and result in delayed shipments, delays in our clinical trials, supply constraints, stock-outs, adverse event trends or contract negotiations or disputes. Such manufacturing challenges may also occur if our existing contract manufacturers are unable or unwilling to timely implement such changes, or at all. In addition, regulatory agencies conduct routine monitoring and inspections of our manufacturing facilities and processes as well as those of our third-party contract manufacturers and service providers. If regulatory authorities determine that we or our third-party contract manufacturers or certain of our third-party service providers have violated regulations, they may mandate corrective actions and/or issue warning letters, or even restrict, suspend or revoke our prior approvals, prohibiting us from manufacturing our products or conducting clinical trials or selling our marketed products, either until we or the affected third-party contract manufacturers or third-party service providers comply, or indefinitely. See Our current products and products in development cannot be sold without regulatory approval. Such issues may also delay the approval of product candidates we have submitted for regulatory review, even if such product candidates are not directly related to the products, devices or processes at issue with regulators. Regulatory authorities may also interpret issues identified with respect to a single manufacturing line as reflecting broader quality or procedural concerns that apply to other lines or facilities, which could delay approvals or adversely affect operations at other facilities. Because our third-party contract manufacturers and certain of our third-party service providers are subject to the FDA and foreign regulatory authorities, alternative qualified third-party contract manufacturers and third-party service providers may not be available on a timely basis, or at all. If we or our third-party contract manufacturers or third-party service providers cease or interrupt production or if our third-party contract manufacturers and third-party service providers fail to supply materials, products or services to us, we may experience delayed shipments, delays in our clinical trials, supply constraints, contract disputes, stock-outs and/or recalls of our products. Additionally, we distribute a substantial volume of our commercial products through our primary distribution centers in Louisville, Kentucky for the United States and in Breda, Netherlands for Europe and much of the rest of the world. We also conduct most of the labeling and packaging of our products distributed in Europe and much of the rest of the world in Breda. Our ability to timely supply products is dependent on the uninterrupted and efficient operations of our distribution and logistics centers, our third-party logistics providers and our labeling and packaging facility in Breda. Further, we rely on commercial transportation, including air and sea freight, for the distribution of our products to our customers, which has been negatively affected by pandemics, labor unrest, natural disasters and geopolitical security threats. Changes in laws or regulations with respect to the use and/or presence of certain chemicals in our products or the components used in the research, development, manufacture and/or packaging of our products could also disrupt or restrict our ability to develop, produce or sell our products. For example, the EU, Canada, the U.S. Congress, the U.S. Environmental Protection Agency, and several U.S. states are considering legislation and/or policies to address the reporting, presence, and/or use, of certain chemicals in certain of the components used in the manufacture or packaging of commercial products, including chemicals known as per- and polyfluorinated substances (PFAS). In 2024, Canada (through Environment and Climate Change Canada) issued a notice requiring reporting on PFAS manufacture, import, and use in Canada. In addition, proposed legislation in several jurisdictions are under consideration to prohibit or otherwise regulate the importation, manufacture, or distribution of goods containing PFAS, and some such proposals do not provide exemptions for drug products, medical devices, their packaging, or the materials used in the research, development, or manufacture of such products or devices. For example, the EU is considering a ban on PFAS in the manufacturing and packaging of pharmaceutical products that could affect pharmaceutical research and development activities and commercial distribution. Some proposals, if enacted without exemptions for pharmaceutical products, and materials used in their research, development, and manufacture, or without adequate time to research and develop or otherwise identify alternative materials or suppliers, may cause significant disruptions to our ability to manufacture and supply products to the affected jurisdictions, potentially resulting in a material adverse effect on our business. There have also been legislative and administrative proposals seeking to incentivize greater drug manufacturing in the United States with the stated goal of improving supply reliability in the United States. For example, one legislative proposal would have prohibited the U.S. Department of Veterans Affairs from purchasing certain drugs that have active pharmaceutical ingredients manufactured outside the United States. While we perform a substantial majority of our commercial manufacturing activities in the United States, including in the U.S. territory of Puerto Rico, and a substantial majority of our clinical manufacturing activities at our facility in Thousand Oaks, California, the passage of such legislation could result in foreign governments enacting retaliatory legislation or regulatory actions, which may have an adverse effect on our product sales, business and results of operations.
Supply Chain2 | 7.1%
Supply Chain - Risk 1
We rely on third-party suppliers for certain of our raw materials, medical devices and components.
We rely on unaffiliated third-party suppliers for certain raw materials, medical devices and components necessary for the manufacturing of our commercial and clinical products. Certain of those raw materials, medical devices and components are proprietary products of those unaffiliated third-party suppliers and are specifically cited in our drug applications with regulatory agencies so that they must be obtained from that specific sole source or sources and could not be obtained from another supplier unless and until the regulatory agency approved such supplier. For example, we rely on a single source for the SureClick autoinjectors used in the drug delivery of a number of our products, including Repatha and ENBREL. Also, certain of the raw materials required in the commercial and clinical manufacturing of our products are sourced from other countries and/or derived from biological sources, including mammalian tissues, bovine serum and human serum albumin. Among the reasons we may be unable to obtain these raw materials, medical devices and components include: - regulatory requirements or action by regulatory agencies or others;- adverse financial or other strategic developments at, or affecting, the supplier, including bankruptcy;- unexpected demand for, or shortage of, raw materials, medical devices or components;- failure to comply with our quality standards which results in quality and product failures, complaints, product contamination and/or recall;- a material shortage, contamination, recall and/or restrictions on the use of certain biologically derived substances or other raw materials;- discovery of previously unknown or undetected imperfections in raw materials, medical devices or components;- cyberattacks on supplier systems;- natural or other disasters, including hurricanes, earthquakes, volcanoes or fires;- labor disputes (such as strikes) or shortages, including from the effects of health emergencies (such as novel viruses or pandemics) or natural disasters;- tariffs or other trade barriers that increase costs, limit availability, or disrupt the flow of goods; and - geopolitical conflicts (such as the ongoing conflicts in Ukraine and the Middle East). For example, in prior years we have experienced shortages in certain components necessary for the formulation, fill and finish of certain of our products in our Puerto Rico facility, and we have also experienced shortages related to single use systems and packaging which has caused disruptions to our manufacturing plans. Further quality issues that result in unexpected additional demand for certain components have resulted in shortages and, in the future, may lead to shortages of required raw materials or components. We may experience similar or other shortages in the future resulting in delayed shipments, supply constraints, clinical trial delays, contract disputes and/or stock-outs of our products. These, or other similar events, could negatively affect our ability to satisfy demand for our products or conduct clinical trials, which could have a material adverse effect on our product sales, business and results of operations.
Supply Chain - Risk 2
Some of our pharmaceutical pipeline and our commercial product sales rely on collaborations with third parties, which may adversely affect the development and sales of our products.
We depend on alliances with other companies, including pharmaceutical and biotechnology companies, vendors and service providers, for the development of a portion of the products in our pharmaceutical pipeline and for the commercialization and sales of certain of our commercial products. For example, we have collaborations with third parties under which we share development rights, obligations and costs and/or commercial rights and obligations. See Item 1. Business-Business Relationships. Failures by these parties to meet their contractual, regulatory, or other obligations to us or any disruption in the relationships between us and these third parties, could have a material adverse effect on our pharmaceutical pipeline and business. In addition, our collaborative relationships for R&D and/or commercialization and sales often extend for many years and have given, and may in the future give, rise to disputes regarding the relative rights, obligations and revenues of us and our collaboration partners, including the ownership or prosecution of intellectual property and associated rights and obligations. This could result in the loss of intellectual property rights or protection, delay the development and sale of potential pharmaceutical products, affect the sale and delivery of our commercialized products and lead to lengthy and expensive litigation, administrative proceedings or arbitration.
Macro & Political
Total Risks: 4/28 (14%)Above Sector Average
Economy & Political Environment1 | 3.6%
Economy & Political Environment - Risk 1
Changed
Global economic conditions may negatively affect us and may magnify certain risks that affect our business.
Our operations and performance have been affected, and may continue to be affected, by uncertain global economic conditions, including those arising from geopolitical and trade policy tensions and market volatility. In addition, fiscal and budgetary pressures in the United States and other jurisdictions, including uncertainty around, or reprioritization of, government funding and constrained government resources, may disrupt government operations and regulatory activities and increase pressure on healthcare budgets and reimbursement policies. See Our sales depend on coverage and reimbursement from government and commercial third-party payers, and pricing and reimbursement pressures have affected, and are likely to continue to affect, our profitability. Further, the ongoing conflict in the Middle East may negatively affect our sales in that region and has increased volatility in energy and transportation markets, resulting in higher costs and, in some cases, disruptions and delays in shipping and travel, which has increased, and may continue to increase, our costs, disrupt the supply of materials, components, services and personnel needed for our operations, and the conflict has also heightened corporate security and cybersecurity risks, which could adversely affect our operations and results. As a result of global economic conditions, some third-party payers may delay or be unable to satisfy their reimbursement obligations. Job losses or other economic hardships (including inflation) may also affect patients' ability to afford healthcare as a result of increased co-pay or deductible obligations, greater cost sensitivity to existing co-pay or deductible obligations, lost healthcare insurance coverage or for other reasons. We believe such conditions have led and could continue to lead to reduced demand for our products, which could have a material adverse effect on our product sales, business and results of operations. Our operational costs, including the cost of materials, labor, distribution, energy and our other operational and facilities costs are subject to market conditions and may be impacted by the effects of the current conflict in the Middle East. Although we monitor our distributors', customers' and suppliers' financial condition and their liquidity to mitigate our business risks, some of our distributors, customers and suppliers may become insolvent, which could have a material adverse effect on our product sales, business and results of operations. A significant worsening of global economic conditions could precipitate or materially amplify the other risks described herein. Ongoing changes to U.S. trade and tariff policies, including the imposition, modification, suspension and threatened expansion of tariffs on imported goods, as well as retaliatory measures by foreign governments, have increased uncertainty in the overall business and operating environment, and have, to a limited extent, adversely affected our operating costs. In October 2025 the Administration initiated a Section 301 investigation relating to China's implementation of the Economic and Trade Agreement between the U.S. and Chinese governments, and while no new tariff action has been announced in connection with that investigation, it or similar investigations could lead to additional trade measures in the future. Given the many uncertainties and variables, including the scope of exemptions, company-specific arrangements, future trade agreements, and the potential for retaliatory measures or additional trade actions, it remains unclear the extent, and degree, to which existing and future tariffs will disrupt and adversely affect our business activities (including product sales, and conduct of clinical trial and research and development activities), and the global economic environment, and/or amplify the other risks described herein. We maintain a significant portfolio of investments on our consolidated balance sheets. Global capital markets have experienced, and may continue to experience, periods of volatility and disruption, including as a result of interest rate fluctuations, inflation, liquidity conditions, credit market stress and geopolitical events. Certain of our assets, including equity investments, are exposed to market fluctuations that, in a sustained or recurrent series of market disruptions, could result in impairments or losses on sale. The value of our investments may also be adversely affected by interest rate fluctuations, inflation, downgrades in credit ratings, illiquidity in the capital markets, geopolitical events and other factors that may result in other-than-temporary declines in the value of our investments. Any of those events could cause us to record impairment charges with respect to our investment portfolio or to realize losses on sales of investments. We also maintain a majority of our cash and cash equivalents in accounts with major multi-national financial institutions, and our deposits at these institutions exceed insured limits. Market conditions can adversely affect the viability of these institutions. In the event of failure of any of the financial institutions where we maintain our cash and cash equivalents, there can be no assurance that we would be able to access uninsured funds in a timely manner or at all. Inability to access, or a delay in accessing these funds, could adversely affect our business and financial position.
International Operations1 | 3.6%
International Operations - Risk 1
Changed
Our sales and operations are subject to the risks of doing business internationally, including in new or emerging markets.
As we continue our expansion efforts in emerging markets around the world, through acquisitions and licensing transactions as well as through the development and introduction, both independently and through collaborations such as our collaboration with BeOne, of our products in new markets, we face numerous risks to our business. There is no guarantee that our efforts and strategies to expand sales in new or emerging markets will succeed. Our international business, including in China and emerging market countries, may be especially vulnerable to periods of global, national, and local political, legal, regulatory and financial instability, including issues of geopolitical relations, the imposition of international sanctions in response to certain state actions and/or sovereign debt issues, and management of health and healthcare policies. For example, the BIOSECURE Act, signed into law in December 2025 and subject to phased implementation over the next several years through agency guidance and rulemaking, prohibits federal contracting with companies that have commercial connections with enumerated "biotechnology companies of concern" located in certain geographies, including China, could restrict our ability to contract or collaborate with such biotechnology companies in the future. If relations between the United States and other governments deteriorate, our business and investments in such markets may also be adversely affected. We may also be required to increase our reliance on third-party agents and unfamiliar operations and arrangements, including those previously utilized by companies we partner with or acquire in emerging markets. See our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1A. Risk Factors-We must conduct clinical trials in humans before we commercialize and sell any of our product candidates or existing products for new indications. Our expansion efforts in China and new and emerging markets around the world are dependent upon the existence or establishment of an environment that is predictable, navigable and supportive of biopharmaceutical innovation, sustained access for our products and predictable pricing controls. China has implemented and enforced regulations governing human genetic resources, including strict requirements with respect to the collection, use and transmission of Chinese human genetic materials and data, and has expanded regulations on the conduct of biotechnology R&D activities in China. For example, between 2020 and 2022, we experienced delays in our applications to the Human Genetic Resources Administration of China that sought approval to conduct clinical trials in China. Further, recent increases in tariffs imposed on certain goods imported into the United States, including inputs relevant to biopharmaceutical manufacturing, have raised our production costs to a limited degree in 2025, and, going forward, such tariffs, together with the imposition of tariffs from agreements the Administration has made with other countries and other potential future tariffs, could further increase our production costs and/or potentially disrupt the operation of our supply chain. See Global economic conditions may negatively affect us and may magnify certain risks that affect our business. Our international operations and business may also be subject to less protective intellectual property or other applicable laws, diverse data privacy and protection requirements, changing tax laws and tariffs, trade restrictions or other barriers designed to protect industry in the home country against foreign competition, far-reaching antibribery and anticorruption laws and regulations and/or evolving legal and regulatory environments. For example, cross-border data transfer compliance requirements in China, as well as the U.S. Department of Justice final rule on preventing access to Americans' bulk sensitive personal data by "countries of concern," may also impose additional costs of doing business, including costs associated with localizing operations. In response to the ongoing armed conflict in Ukraine, the U.S. government, numerous state governments, the EU and other countries in which we conduct business have imposed a wide range of economic sanctions that restrict commerce and business dealings with Russia, certain regions of Ukraine and certain entities and individuals. Additionally, the ongoing conflict in the Middle East has caused regional disruptions to economic activity and broader volatility across global energy, transportation, trade and financial markets. These developments have resulted in increased costs and, in some cases, disruptions and delays in shipping, airspace closures, and the need to reroute logistics, which may negatively affect sales of our medicines in that region as well as the availability and timely delivery of materials, components, services and personnel needed for our operations. For a description of the conflict's impact on our third-party contract manufacturing of KRYSTEXXA, see our Annual Report on Form 10-K for the year ended December 31, 2025, Part I, Item 1A. Risk Factors-Manufacturing difficulties, disruptions or delays could limit supply of our products and limit our product sales. These conflicts, in addition to other geopolitical tensions, may also precipitate or amplify the other risks described herein, including risks relating to global economic conditions, cybersecurity, clinical trials and supply chains, which could adversely affect our business, operations and financial condition and results. We are subject to fluctuations in foreign currency exchange rates relative to the U.S. dollar in the non-U.S. jurisdictions where we do business. While we have a program in place that is designed to reduce our exposure to foreign currency exchange rate fluctuations through foreign currency hedging arrangements, our hedging efforts do not completely offset the effect of these fluctuations on our revenues and earnings. Overall, the legal and operational challenges of our international business operations, along with government controls, the challenges of attracting and retaining qualified personnel and obtaining and/or maintaining necessary regulatory or pricing approvals of our products, may result in material adverse effects on our international product sales, business and results of operations. In addition, pricing pressures and price controls in non-U.S. jurisdictions could adversely affect our sales and revenues, and further, to the extent that such pricing is included in MFN calculations, this inclusion has affected and may continue to affect our strategy with respect to sales of our products and product candidates in such jurisdictions.
Natural and Human Disruptions1 | 3.6%
Natural and Human Disruptions - Risk 1
The effects of global climate change and related natural disasters could negatively affect our business and operations.
Many of our operations and facilities, including those essential to our manufacturing, R&D and distribution activities, are in locations that are subject to natural disasters, including droughts, fires, extreme temperatures, hurricanes, tropical storms and/or floods. For example, in 2017 Hurricane Maria caused catastrophic damage, compounded in 2022 by Hurricane Fiona, to the U.S. territory of Puerto Rico, where we perform a substantial majority of our commercial manufacturing activities. Although our site was well-protected and suffered minimal damage, there can be no assurances that we would have similar results in the face of future natural disasters. The severity and frequency of weather-related natural disasters has been amplified, and is expected to continue to be amplified by, global climate change. For example, in January 2025, Los Angeles county experienced unprecedented wildfires, and while the natural disaster did not impact our facilities or their operations, a number of our staff members lost their homes or were subject to evacuation orders and/or multiple-day power outages. Such natural disasters have caused, and in the future may cause, damage to and/or disrupt our operations, which may result in a material adverse effect on our product sales, business and results of operations. Our suppliers, vendors and business partners also face similar risks, and any disruption to their operations could have an adverse effect on our supply and manufacturing chain. Further, many of our key facilities are located on islands, including Puerto Rico, Singapore and Ireland, which rely on essential port facilities that may be vulnerable to climate change-related or other natural disasters. Although we have detailed business continuity plans in place and periodic assessments of our natural disaster risk, any natural disaster may also result in prolonged interruption to our critical operational and business activities, and we may be required to incur significant costs to remedy the effects of such natural disasters and fully resume operations, which may result in a material adverse effect on our product sales, business and results of operations. See We perform a substantial majority of our commercial manufacturing activities at our facility in the U.S. territory of Puerto Rico and a substantial majority of our clinical manufacturing activities at our facility in Thousand Oaks, California; significant disruptions or production failures at these facilities could significantly impair our ability to supply our products or continue our clinical trials and Manufacturing difficulties, disruptions or delays could limit supply of our products and limit our product sales.
Capital Markets1 | 3.6%
Capital Markets - Risk 1
We may not be able to access the capital and credit markets on terms that are favorable to us, or at all.
The capital and credit markets may experience extreme volatility and disruption, which may lead to uncertainty and liquidity issues for both borrowers and investors. For example, in early 2020, there were significant disruptions in the commercial paper market and several borrowers were unable to obtain funding at normal rates or maturities, which resulted in a significant increase in draws of corporate credit lines with banks. Similarly, the bond markets experienced extreme volatility in terms of interest rates and credit spreads, with several days without new issuances of corporate bonds. We expect to access the capital markets, from time to time, to supplement our existing funds and cash generated from operations to satisfy our needs for working capital; capital expenditure and debt service requirements; our plans to pay dividends and repurchase stock; and other strategic business initiatives we plan to pursue, including acquisitions and licensing activities. In the event of adverse capital and credit market conditions, we may be unable to obtain capital market financing on favorable terms, or at all, which could have a material adverse effect on our business and results of operations or our ability to complete business acquisitions. Changes in credit ratings issued by nationally recognized credit-rating agencies could also adversely affect our ability to obtain capital and credit market financing and the cost of such financing and have an adverse effect on the market price of our securities.
Finance & Corporate
Total Risks: 3/28 (11%)Below Sector Average
Share Price & Shareholder Rights1 | 3.6%
Share Price & Shareholder Rights - Risk 1
Our stock price is volatile.
Our stock price, like that of our peers in the biotechnology and pharmaceutical industries, is volatile. Our revenues and operating results may fluctuate from period to period for a number of reasons. Events such as a delay in product development, changes to our expectations or strategy or even a relatively small revenue shortfall may cause financial results for a period to be below our expectations or projections. As a result, our revenues and operating results and, in turn, our stock price may be subject to significant fluctuations. Announcements or discussions, including via social media channels, of possible restrictive actions by government or private payers that would negatively affect our business or industry if ultimately enacted or adopted may also cause our stock price to fluctuate, whether or not such restrictive actions ever actually occur. Similarly, actual or perceived safety issues with our products or similar products or unexpected clinical trial results can have an immediate and rapid effect on our stock price, whether or not our operating results are materially affected.
Corporate Activity and Growth2 | 7.1%
Corporate Activity and Growth - Risk 1
Our business and operations may be negatively affected by the failure, or perceived failure, of achieving our sustainability objectives.
We continue to work towards operating our business in a sustainable manner. Stakeholders, including our investors and our employees, have increasingly focused on, and are expected to continue to focus on, our sustainability practices. Policymakers, regulators and investors globally have increased their focus on sustainability matters, resulting in rapidly evolving and diverging expectations and standards. For example, California recently enacted the Climate Corporate Data Accountability Act that requires, among other things, disclosure of greenhouse gas emissions. In contrast, a number of states have adopted or proposed laws or policies that restrict the consideration of sustainability or other non-financial factors in connection with certain investment or business decisions, which may conflict with the expectations of some of our stakeholders. If our sustainability practices fail to meet stakeholders' expectations and applicable standards, or if we fail to comply with sustainability-related regulations across our global business, there could be a material adverse effect on our reputation, business and, ultimately, our stock price. Our sustainability report is made available on our website and describes our current sustainability goals and the progress we have made on the sustainability issues that we believe our external and internal stakeholders consider to be important, based on surveys, interviews and certain frameworks for corporate responsibility. Achieving our sustainability goals requires long-term investments and broad, coordinated activity, and we may be required to incur additional costs or allocate additional resources towards monitoring, reporting and implementing our sustainability programs. Further, we may fail to accurately assess our stakeholders' sustainability priorities and concerns, as such priorities and concerns have been rapidly changing. While we have achieved most of our goals set in prior years, whether we can achieve our current and future sustainability goals continues to be uncertain and remains subject to numerous risks, including evolving regulatory requirements and social expectations affecting sustainability practices, our ability to recruit, develop and retain a diverse workforce, the availability of suppliers and collaboration partners that can meet our environmental goals, the effects of the organic growth of our business and potential acquisitions of other businesses on our sustainability performance, and the availability and cost of technologies or resources, such as carbon credits, that support our goals. Any failure or perceived failure to meet our sustainability program priorities could result in a material adverse effect on our reputation, business and stock price.
Corporate Activity and Growth - Risk 2
Our efforts to collaborate with or acquire other companies, products, or technology, and to integrate the operations of companies or to support the products or technology we have acquired, may not be successful, and may result in unanticipated costs, delays or failures to realize the benefits of the transactions.
We seek innovation through significant investment in both internal R&D and external transactions, including collaborations, partnerships, alliances, licenses, joint ventures, mergers and acquisitions (collectively, acquisition activity). Acquisition activities may be subject to regulatory approvals or other requirements that are not within our control. Antitrust scrutiny by regulatory agencies and changes to regulatory approval process in the U.S. and foreign jurisdictions may cause approvals to take longer than anticipated to obtain, not be obtained at all, or contain burdensome conditions, which may jeopardize, delay or reduce the anticipated benefits of acquisitions to us and could impede the execution of our business strategy. There can be no assurance that such regulatory or other approvals will be obtained or that all closing conditions required in connection with our acquisition activities will be satisfied or waived, which could result in us being unable to complete the planned acquisition activities. Acquisition activities are complex, time consuming and expensive and may result in unanticipated costs, delays, or other operational or financial problems related to integrating the acquired company and business with our company, which may divert our management's attention from other business issues and opportunities may prevent us from realizing the anticipated benefits of such transactions within the expected timeframe or at all. We may pay substantial amounts of cash, incur debt or issue equity securities to pay for acquisition activities, which could adversely affect our liquidity or result in dilution to our stockholders, and could adversely affect our credit ratings and cost of capital. For example, the primary sources of funds for our acquisition of Horizon were those received from our $24 billion of senior notes issued on March 2, 2023, together with the $4 billion drawn down from our term loan facility, of which we repaid $2.2 billion, and while the Company currently has investment grade credit ratings and substantially returned to its pre-acquisition capital structure, when the Company incurred this substantial additional indebtedness the credit rating agencies downgraded our credit ratings. Further, failures or difficulties in integrating or retaining key personnel, or in integrating the operations of the businesses, products or assets we acquire (including related technology, research, development and commercial operations, compliance programs, manufacturing, distribution and general business operations and procedures and sustainability activities) may adversely affect our ability to realize the benefits of the transaction or grow our business, and may result in asset impairment or restructuring charges. These and other challenges may arise in connection with our acquisitions, including our acquisitions of ChemoCentryx, Horizon and Dark Blue Therapeutics and/or our collaborations with BeOne and Kyowa Kirin, or with other acquisition activities, which could have a material adverse effect on our business, results of operations and stock price. We may not realize the anticipated strategic benefits of our acquisitions. Our assumptions and estimates about the future revenue growth of acquired products may prove to be incorrect. Business integrations generally are complex, time consuming and expensive, and we may experience unanticipated costs, delays or other operational or financial challenges. These integration efforts may also divert our management's attention and resources away from other business operations, which may disrupt to some degree our ongoing business. Failure to successfully fully integrate acquired businesses into ours and/or achieve anticipated strategic benefits may result in our incurring significant asset impairment or restructuring charges, and could have a material adverse effect on our business, results of operations and stock price.
See a full breakdown of risk according to category and subcategory. The list starts with the category with the most risk. Click on subcategories to read relevant extracts from the most recent report.

FAQ

What are “Risk Factors”?
Risk factors are any situations or occurrences that could make investing in a company risky.
    The Securities and Exchange Commission (SEC) requires that publicly traded companies disclose their most significant risk factors. This is so that potential investors can consider any risks before they make an investment.
      They also offer companies protection, as a company can use risk factors as liability protection. This could happen if a company underperforms and investors take legal action as a result.
        It is worth noting that smaller companies, that is those with a public float of under $75 million on the last business day, do not have to include risk factors in their 10-K and 10-Q forms, although some may choose to do so.
          How do companies disclose their risk factors?
          Publicly traded companies initially disclose their risk factors to the SEC through their S-1 filings as part of the IPO process.
            Additionally, companies must provide a complete list of risk factors in their Annual Reports (Form 10-K) or (Form 20-F) for “foreign private issuers”.
              Quarterly Reports also include a section on risk factors (Form 10-Q) where companies are only required to update any changes since the previous report.
                According to the SEC, risk factors should be reported concisely, logically and in “plain English” so investors can understand them.
                  How can I use TipRanks risk factors in my stock research?
                  Use the Risk Factors tab to get data about the risk factors of any company in which you are considering investing.
                    You can easily see the most significant risks a company is facing. Additionally, you can find out which risk factors a company has added, removed or adjusted since its previous disclosure. You can also see how a company’s risk factors compare to others in its sector.
                      Without reading company reports or participating in conference calls, you would most likely not have access to this sort of information, which is usually not included in press releases or other public announcements.
                        A simplified analysis of risk factors is unique to TipRanks.
                          What are all the risk factor categories?
                          TipRanks has identified 6 major categories of risk factors and a number of subcategories for each. You can see how these categories are broken down in the list below.
                          1. Financial & Corporate
                          • Accounting & Financial Operations - risks related to accounting loss, value of intangible assets, financial statements, value of intangible assets, financial reporting, estimates, guidance, company profitability, dividends, fluctuating results.
                          • Share Price & Shareholder Rights – risks related to things that impact share prices and the rights of shareholders, including analyst ratings, major shareholder activity, trade volatility, liquidity of shares, anti-takeover provisions, international listing, dual listing.
                          • Debt & Financing – risks related to debt, funding, financing and interest rates, financial investments.
                          • Corporate Activity and Growth – risks related to restructuring, M&As, joint ventures, execution of corporate strategy, strategic alliances.
                          2. Legal & Regulatory
                          • Litigation and Legal Liabilities – risks related to litigation/ lawsuits against the company.
                          • Regulation – risks related to compliance, GDPR, and new legislation.
                          • Environmental / Social – risks related to environmental regulation and to data privacy.
                          • Taxation & Government Incentives – risks related to taxation and changes in government incentives.
                          3. Production
                          • Costs – risks related to costs of production including commodity prices, future contracts, inventory.
                          • Supply Chain – risks related to the company’s suppliers.
                          • Manufacturing – risks related to the company’s manufacturing process including product quality and product recalls.
                          • Human Capital – risks related to recruitment, training and retention of key employees, employee relationships & unions labor disputes, pension, and post retirement benefits, medical, health and welfare benefits, employee misconduct, employee litigation.
                          4. Technology & Innovation
                          • Innovation / R&D – risks related to innovation and new product development.
                          • Technology – risks related to the company’s reliance on technology.
                          • Cyber Security – risks related to securing the company’s digital assets and from cyber attacks.
                          • Trade Secrets & Patents – risks related to the company’s ability to protect its intellectual property and to infringement claims against the company as well as piracy and unlicensed copying.
                          5. Ability to Sell
                          • Demand – risks related to the demand of the company’s goods and services including seasonality, reliance on key customers.
                          • Competition – risks related to the company’s competition including substitutes.
                          • Sales & Marketing – risks related to sales, marketing, and distribution channels, pricing, and market penetration.
                          • Brand & Reputation – risks related to the company’s brand and reputation.
                          6. Macro & Political
                          • Economy & Political Environment – risks related to changes in economic and political conditions.
                          • Natural and Human Disruptions – risks related to catastrophes, floods, storms, terror, earthquakes, coronavirus pandemic/COVID-19.
                          • International Operations – risks related to the global nature of the company.
                          • Capital Markets – risks related to exchange rates and trade, cryptocurrency.