POET Technologies (POET) told investors it was at the center of the AI chip race. Big customers. Major purchase orders. Strong growth ahead. But behind the scenes, the story was falling apart.
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Investors in POET Technologies are watching closely after a federal securities lawsuit alleged the company and its top executives concealed critical tax classification risks and a confidentiality breach that together triggered stock drops of 8% and 47% in April 2026.
The lawsuit, filed on behalf of investors who purchased POET securities between April 1, 2026, and 8:57 AM ET on April 27, 2026, alleges that defendants made materially false and misleading statements regarding the company’s passive foreign investment company tax status and its CFO’s breach of a confidentiality agreement with Marvell Semiconductor Inc. When a short-seller report and the subsequent cancellation of all purchase orders from Celestial AI brought these issues to light, POET shares fell $0.59 per share (8.08%) on April 14, 2026, and then plunged $7.15 per share (47.3%) on April 27, 2026.
If you purchased POET securities during the relevant period and suffered losses, you may want to learn more about your eligibility and legal options.
A Photonics Company Targeting AI and Communications Infrastructure
POET Technologies Inc. is a Canadian-incorporated design and development company that offers photonic integrated packaging solutions based on its proprietary POET Optical Interposer platform. The company’s technology enables the integration of electronic and photonic devices onto a single chip using wafer-level semiconductor manufacturing techniques. POET targets high-growth markets in communications, computing, and artificial intelligence infrastructure, and its common stock trades on the NASDAQ Capital Market.
According to the complaint, despite its positioning in cutting-edge markets, POET generated only $2.3 million in revenue since 2020, reported a 2025 net loss of negative 5,858% of revenue, and increased its share count by 303% in just over three years. These financial metrics became central to the short-seller analysis that helped bring the alleged misrepresentations to light.
Two Alleged Misrepresentations at the Heart of the Lawsuit
The complaint centers on two distinct but interrelated sets of alleged misstatements. The first involves POET’s tax classification as a passive foreign investment company, or PFIC. According to the complaint, the company’s 2025 Annual Report on Form 20-F, filed on March 31, 2026, acknowledged that POET “might” be treated as a PFIC but materially understated the likelihood of that classification and failed to adequately warn investors of its practical consequences. The complaint alleges that PFIC status would subject U.S. shareholders to onerous annual tax reporting requirements and punitive tax treatment, making POET a significantly less attractive investment.
The second set of allegations involves CFO Thomas Mika’s public statements about the company’s business relationship with Celestial AI, which Marvell Semiconductor had acquired. According to the complaint, Mika appeared in a public interview on April 21, 2026, in which he discussed specific details of POET’s supply relationship with Celestial AI, including the existence of an invoice and upcoming product shipments. The complaint alleges these disclosures were made in breach of confidentiality obligations to Marvell and that Mika knew or recklessly disregarded the risk that such statements could result in termination of the business relationship.
Together, the complaint alleges these omissions and misstatements caused POET’s stock price to be artificially inflated throughout the period in question.
Investors following POET may want to stay informed as this case develops and additional details emerge.
What POET Executives Told the Public
According to the complaint, CEO Suresh Venkatesan and CFO Thomas Mika both signed Sarbanes-Oxley certifications attesting to the accuracy of POET’s 2025 Annual Report on Form 20-F. That filing included a risk disclosure acknowledging the possibility that POET could be treated as a PFIC for the year ended December 31, 2025. The complaint alleges this disclosure materially understated the actual likelihood of PFIC classification and its consequences for U.S. shareholders.
On April 21, 2026, after a short-seller report had already raised the PFIC issue publicly, Mika appeared in an interview on Stocktwits. When asked whether POET was under a nondisclosure agreement with a hyperscaler, Mika stated he was in NDAs with “suppliers to hyperscalers” rather than directly with Marvell. He then went on to discuss specifics of POET’s supply relationship with Celestial AI, including that the company had an invoice from Celestial AI and intended to ship product against it, with some shipments expected the following quarter.
The complaint alleges that Mika’s characterization of the NDA relationship was materially false and misleading, and that his subsequent discussion of confidential business details placed the company’s relationship with Marvell at direct risk.
How the Alleged Truth Came to Light
The first corrective disclosure occurred on April 14, 2026, when Wolfpack Research published a report describing POET as “an obvious stock promote” and alleging that the company qualified as a PFIC under U.S. tax law. The Wolfpack report detailed the severe compliance implications for U.S. shareholders, including the requirement to file special tax forms annually, pay ordinary income tax rates on both realized and unrealized gains, and face punitive compounding interest for noncompliance. One tax expert quoted in the report described POET’s PFIC status as “obvious.” POET shares fell $0.59 per share, or 8.08%, closing at $6.71 on that day.
On April 15, 2026, POET effectively confirmed its PFIC classification by issuing a statement announcing that it would make information available to U.S. shareholders to make a “QEF” election to mitigate adverse tax consequences. Mika stated the board intended to redomicile the company in the United States to eliminate future PFIC risk.
The second and far more damaging disclosure came before the market opened on April 27, 2026, at 8:58 AM ET. POET announced that Marvell Semiconductor had cancelled all purchase orders from Celestial AI. The press release revealed that Marvell had provided written notice of the cancellation on April 23, 2026, stating that POET had disclosed information related to the purchase order and shipping details “in contravention of its confidentiality obligations.” POET shares plunged $7.15 per share, or 47.3%, closing at $7.95 on that day.
Connecting the Dots for POET Shareholders
At its core, this lawsuit alleges that POET Technologies and its executives painted an incomplete and misleading picture of two material risks facing the company. On the one hand, the complaint alleges that the company downplayed the near-certainty of its PFIC tax classification, which had significant adverse consequences for U.S. investors, who make up a substantial portion of NASDAQ-listed stockholders. On the other hand, the complaint alleges the CFO publicly disclosed business details and that Marvell later cited those disclosures, allegedly made in contravention of confidentiality obligations, as the basis for cancelling the purchase orders.
For investors who purchased POET securities during the period from April 1, 2026, through the morning of April 27, 2026, the combined stock drops of 8.08% and 47.3% represent substantial losses. The complaint alleges these declines resulted from the market learning information that defendants had allegedly concealed or misrepresented. The case raises questions about the adequacy of POET’s risk disclosures and the judgment exercised by its senior executives in their public communications.
The Federal Securities Claims in This Case
The complaint alleges violations of Section 10(b) of the Securities Exchange Act of 1934 and SEC Rule 10b-5, which prohibit material misstatements and omissions in connection with the purchase or sale of securities. The plaintiff claims that defendants made false and misleading statements about POET’s PFIC tax classification and the CFO’s compliance with confidentiality obligations, and that investors relied on these statements to their detriment.
The complaint also brings claims under Section 20(a) of the Exchange Act against CEO Suresh Venkatesan and CFO Thomas Mika as controlling persons of POET Technologies. The complaint seeks to hold Venkatesan and Mika liable as alleged controlling persons of POET, based on their senior positions, alleged control over company operations, and public statements. The lead plaintiff deadline is June 29, 2026.
Investors who purchased POET securities during the relevant period and wish to understand their legal rights are encouraged to consult with a qualified securities attorney.
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