Insider buying often attracts attention because company executives typically understand their business better than most investors. When insiders buy shares with their own money, it can signal confidence in future growth. Recently, insiders have been purchasing shares of CoreWeave (CRWV), Kalaris Therapeutics (KLRS), and CVB Financial (CVBF). Here’s why insiders are buying these stocks — and whether investors should follow.
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For context, insider trading refers to the buying or selling of a company’s stock by corporate insiders or major shareholders who own more than 10% of the company. These individuals may have access to non-public information about the business, making insider activity closely watched by investors. Interestingly, TipRanks provides daily insider trading activity, a list of top-performing corporate insiders, and stocks that carry either a Very Positive or Positive insider confidence signal.
Let’s dive into the details.
CoreWeave (CRWV)
CoreWeave is a U.S.-based cloud computing company that provides high-performance infrastructure for AI workloads. Year-to-date, CRWV stock has gained 47%.
Last week, Brian M Venturo, the company’s CSO and Director, bought 76,924 shares worth $7.79 million, signaling a notable vote of confidence in CoreWeave’s prospects from a key institutional investor.
According to TipRanks’ Insider Trading Activity Tool, Corporate Insiders placed Informative Buys of Shares Worth $1.9 billion in the last 3 months. Meanwhile, insider confidence in CRWV stock is currently rated Negative.
Kalaris Therapeutics (KLRS)
Kalaris Therapeutics is a clinical-stage biopharmaceutical company focused on developing innovative therapies for eye diseases. Year to date, KLRS stock has fallen more than 40%.
Recently, the company’s director Srinivas Akkaraju purchased 244,300 shares worth about $1.179 million. The purchase came after the company’s Q1 2026 results, which showed significant year-over-year improvement. Kalaris reported a loss of $0.46 per share, compared to a loss of $2.52 per share in the same period last year.
According to TipRanks Insider Trading Activity Tool, insider confidence in KLRS stock is currently rated Negative.
CVB Financial (CVBF)
CVB Financial is a U.S.-based bank holding company and the parent of Citizens Business Bank. It provides a range of commercial banking services, including business lending, deposit accounts, treasury management, and financial services. So far in 2026, CVBF stock has gained 9.4%.
Last week, director George A. Borba purchased 48,894 shares of CVBF worth about $0.99 million.
According to TipRanks’ Insider Trading Activity Tool, insider confidence in CVBF stock is currently rated as Very Positive.
