Insider Activity Recap: Top Buys and Sells from Monday, August 4, 2025

This article summarizes the most significant insider buying and selling activities reported for US stocks on Monday, August 4, 2025.

Top Insider Buys:

CVB Financial Corp (NASDAQ:CVBF):

Director George A. Borba Jr. of CVB Financial Corp, a $2.57 billion market cap financial institution, purchased 53,567 shares of common stock on August 4, 2025. The transaction totaled $999,999, with shares bought at a weighted average price of $18.6682. Following the purchase, Borba indirectly holds 718,688 shares through a partnership. CVB Financial Corp has maintained dividend payments for 37 consecutive years and currently offers a 4.28% yield.

Larimar Therapeutics, Inc. (NASDAQ:LRMR):

Several Deerfield entities, including Deerfield Private Design Fund III, L.P., Deerfield Private Design Fund IV, L.P., and Deerfield Healthcare Innovations Fund, L.P., acquired shares of Larimar Therapeutics, Inc., a $275 million market cap biotechnology company. The purchases, executed at $3.20 per share, totaled $10,840,083.20. Following these transactions, Deerfield Private Design Fund III, L.P. holds 9,538,918 shares, Deerfield Private Design Fund IV, L.P. holds 9,538,945 shares, and Deerfield Healthcare Innovations Fund, L.P. holds 7,321,129 shares.

Arrow Electronics (NYSE:ARW):

President and CEO Sean J. Kerins of Arrow Electronics, a $6 billion electronic equipment company, acquired 8,630 shares of common stock on August 1, 2025. The shares were purchased at an average price of $114.9123, for a total value of $991,693. Following the transaction, Kerins directly owns 122,408 shares of Arrow Electronics. The company recently reported strong financial results for the second quarter of 2025, exceeding analyst expectations.

Clean Harbors INC (NYSE:CLH):

Michael Louis Battles, Co-CEO of Clean Harbors INC, purchased 2,000 shares of the company’s common stock at $233.50 per share on August 1, 2025. The total value of the purchase was $467,000, increasing Battles’ direct ownership to 82,911 shares. Clean Harbors, valued at $12.6 billion, is trading near its 52-week high, with analysts setting price targets between $240-$290.

Pinnacle Financial Partners Inc (NASDAQ:PNFP):

Director G. Kennedy Thompson of Pinnacle Financial Partners Inc acquired 10,000 shares of the company’s common stock on August 1, 2025. The shares were purchased at $85.65, totaling $856,500. Following the transaction, Thompson directly owns 28,372 shares and indirectly owns additional shares through a spouse.

Top Insider Sells:

Modine Manufacturing Co. (NYSE:MOD):

Michael B. Lucareli, Executive Vice President and CFO of Modine Manufacturing Co., sold 71,195 shares of common stock on July 31, 2025, for approximately $10.35 million. The sales occurred at prices ranging from $125.00 to $131.91 per share. On the same day, Lucareli also exercised options to acquire 26,439 shares at lower prices.

Meta Platforms, Inc. (NASDAQ:META):

Mark Zuckerberg, COB and CEO of Meta Platforms, Inc., indirectly sold 15,812 shares of Class A Common Stock on August 1, 2025, for a total of $11.9 million. The sales were executed at prices ranging from $750.3653 to $764.1373. The transaction was conducted through CZI Holdings, LLC, pursuant to a Rule 10b5-1 trading plan.

Tyler Technologies (NYSE:TYL):

President and CEO H Lynn Moore JR of Tyler Technologies sold 4,030 shares of common stock on July 31, 2025, at prices ranging from $575.3399 to $589.3932, totaling approximately $3.04 million. The sales were executed under a pre-arranged Rule 10b5-1 trading plan.

Woodward , Inc. (NASDAQ:WWD):

Director Eileen P. Paterson of Woodward, Inc. sold 8,490 shares of company stock on July 31, 2025, for approximately $2.48 million. The sales prices ranged from $257.63 to $264.18. On the same day, Paterson also exercised options to acquire 9,500 shares at lower prices.

Investors should stay tuned to insider buying and selling activities as they can provide valuable insights into a company’s prospects. While insider transactions alone should not be the sole basis for investment decisions, they can offer clues about management’s confidence in the company’s future performance and potential upcoming developments. However, it’s essential to consider these transactions in the context of broader market trends, company fundamentals, and individual investment goals.

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