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This article summarizes the most significant insider buying and selling activities reported for US stocks on Monday, August 18, 2025.
Top Insider Buys:
• Resideo Technologies Inc (NYSE:REZI): Three entities associated with CD&R, all 10% owners of Resideo Technologies, collectively purchased approximately $20.6 million worth of common stock between August 14 and August 18, 2025. The purchases were made at prices ranging from $31.4172 to $31.8884, with a total of 203,161 shares acquired on August 14 at an average price of $31.8884. This brought their total holdings to 11,681,704 shares.
• ProFrac Holding Corp. (NASDAQ:ACDC): THRC Holdings, LP, along with related entities, reported purchasing 2,500,000 shares of ProFrac Holding Corp. Class A common stock on August 14, 2025. The shares were bought at $4.0 per share, totaling $10 million. Following the transaction, THRC Holdings LP directly owns 80,623,143 shares of Class A Common Stock, 30,000 shares of Series A Redeemable Convertible Preferred Stock, and warrants to purchase 42,744 shares of Class A Common Stock.
• Heartland Express (NASDAQ:HTLD): CEO Michael J. Gerdin purchased a total of 30,000 shares worth $245,692 between August 14 and August 18, 2025. The purchases were made at prices ranging from $8.1876 to $8.2 per share, increasing Gerdin’s total holdings to 1,491,868 shares held as Trustee of the Michael J. Gerdin Revocable Trust.
• ProFrac Holding Corp (NASDAQ:ACDC): Farris Wilks, a ten percent owner, purchased 2,500,000 shares of the company’s Class A common stock on August 14, 2025, at a price of $4.0 per share. The total value of the purchase amounted to $10,000,000, bringing Wilks’ direct ownership to 3,665,132 shares.
• Newegg Commerce, Inc. (NASDAQ:NEGG): Vladimir and Angelica Galkin reported purchasing 11,111 shares of common stock on August 15, 2025. The purchases were executed at prices ranging from $102.22 to $107.77, totaling $1.16 million. Following the transaction, the Galkins directly own 3,511,111 shares of Newegg Commerce.
Top Insider Sells:
• Aeva Technologies (NASDAQ:AEVA): CFO Saurabh Sinha sold 160,000 shares of common stock on August 18, 2025. The shares were sold at a weighted average price of $13.3328, for a total transaction value of $2.13 million. Following the sale, Sinha directly owns 810,710 shares of Aeva Technologies.
• Dun & Bradstreet (NYSE:DNB_old) Holdings Inc (NYSE:DNB): Executive Chairman William P. Foley II sold 2,500,000 shares of common stock on August 14, 2025, at a price of $9.09 per share. The total transaction value was $22,725,000. After the sale, Foley directly owns 2,458,616 shares and indirectly owns 3,109,644 shares through Bilcar, LLC.
• Monolithic Power Systems Inc (NASDAQ:MPWR): CEO Michael Hsing sold 17,631 shares of common stock on August 15, 2025. The sales were executed at prices ranging from $825.69 to $836.40, resulting in a total transaction value of $16,773,550. Following the transactions, Hsing directly owns 814,667 shares and indirectly owns additional shares through trusts.
• Carvana Co. (NASDAQ:NYSE:CVNA): CEO Ernest Garcia III, through trusts, sold a total of $3.4 million worth of Class A Common Stock on August 14, 2025. The sales were executed at prices ranging from $341.47 to $348.74.
• Booking Holdings Inc. (NASDAQ:BKNG): CEO and President Glenn D. Fogel sold 927 shares of common stock on August 15, 2025, under a pre-established 10b5-1(c) sales plan. The sales resulted in a total value of $5,548,093, with prices ranging from $5448.4616 to $5502.69 per share.
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 additional context when combined with other fundamental and technical analysis. It’s important to note that insiders may have various reasons for buying or selling shares, and these transactions should be considered as part of a broader investment strategy.
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