Here’s a summary of the most significant insider transactions reported for Tuesday, December 2, 2025.
Top Insider Buys
Surrozen, Inc. (NASDAQ:SRZN) saw substantial insider buying as Director Tim Kutzkey reported purchasing common stock worth $3.99 million on November 13, 2025. The purchases were executed at $12.65 per share, notably below the current trading price of $15.54. The filing indicates that 148,150 shares and 167,307 shares were acquired by The Column Group III, LP and The Column Group III-A, LP, respectively. Following these transactions, The Column Group III, LP now owns 852,482 shares, The Column Group III-A, LP owns 962,718 shares, and The Column Group Opportunity III, LP holds 344,827 shares. SRZN shares have delivered an impressive 85% return over the past six months, with analysts setting price targets between $32 and $42.
Grindr Inc. (NASDAQ:GRND) Director George Raymond Zage III recently purchased shares of the company’s common stock in two transactions, totaling $3,868,500. This insider buying comes as Grindr’s stock has fallen approximately 45% over the past six months. On November 28, 2025, Zage acquired 150,000 shares at a weighted average price of $12.88, in multiple transactions at prices ranging from $12.735 to $13.06. The total value of this purchase was $1,932,000.
American Strategic Investment Co. (EXCHANGE:NYC) saw Nicholas S. Schorsch, a ten percent owner, along with related entities, purchasing shares of common stock in two transactions, totaling $16,798. On November 28, 2025, 1,074 shares were purchased at prices ranging from $7.89 to $7.90. Then, on December 2, 2025, an additional 1,113 shares were bought, with prices ranging from $7.28 to $7.49. Following these transactions, the entities, including Bellevue Capital Partners, LLC, now hold 1,030,135 shares of Class A common stock. Mr. Schorsch also directly owns 26,559 shares.
Zivo Bioscience Inc (NASDAQ:ZIVO) Director Laith L. Yaldoo reported purchasing 2,777 shares of common stock on November 28, 2025, according to a Form 4 filing with the Securities and Exchange Commission. The shares were bought at a price of $9.0, totaling $24,993. Following the transaction, Yaldoo directly owns 577,872 shares of the company through HEP Investments LLC.
Granite Ridge Resources, Inc. (NYSE:GRNT) Director John McCartney acquired 1,026 shares of common stock on December 1, 2025, at a price of $5.23 per share, in one transaction. The total value of the purchase was $5,365. The purchase price sits just above the current trading price of $5.14 and aligns closely with InvestingPro’s Fair Value assessment, suggesting the stock is fairly valued. Following the transaction, McCartney directly owns 104,117 shares of Granite Ridge Resources. The energy company, with a market cap of $673 million, offers an attractive 8.56% dividend yield and trades at a P/E ratio of 17.85. GRNT maintains strong liquidity with current assets exceeding short-term obligations.
Top Insider Sells
TWILIO INC (NASDAQ:TWLO) Director Andrew Stafman sold 1,000,000 shares of Class A Common Stock on December 2, 2025, at a price of $129.0, for a total transaction value of $129,000,000. The transaction occurred near Twilio’s current trading price of $129.77, in a company with a market capitalization of approximately $19.7 billion. Following the transaction, the shares owned following the transaction amounted to 2,295,000. These shares are indirectly owned. Sachem Head Capital Management LP, Uncas GP LLC, Sachem Head GP LLC, and Scott D. Ferguson are also filing jointly and may be deemed beneficial owners of the reported securities. Twilio holds more cash than debt on its balance sheet and has demonstrated strong performance with a 20.9% price return over the past year.
Roblox Corp (NYSE:RBLX) Director Lee Anthony P sold a total of 65,022 shares of Class A Common Stock on December 1, 2025, according to a new SEC filing. The sales, executed under a pre-arranged 10b5-1 trading plan, generated $6,107,822. The price range for these shares was between $91.1275 and $93.757. The transaction comes as Roblox shares trade near $93.70, having delivered an impressive 75% return over the past year. The transactions involved multiple sales at varying prices: 6,710 shares at a weighted average price of $91.1275, 25,200 shares at an average price of $92.1598, 21,006 shares at an average price of $93.2326, and 3,844 shares at an average price of $93.7556.
Carvana Co. (NYSE:CVNA) Chief Financial Officer Mark W. Jenkins sold a total of 12,640 shares of Class A Common Stock on December 1, 2025, for approximately $4.79 million. The sales were executed in multiple transactions at prices ranging from $370.38 to $381.69, close to the current trading price of $382.18. The online used car retailer has delivered impressive returns, with the stock up 87.93% year-to-date and 49.91% over the past year. Jenkins also acquired shares through option exercises. He exercised options to acquire 10,000 shares at $10.07, 2,000 shares at $42.03, and 750 shares at $51.97. Additionally, 1,219 shares were disposed of at a price of $375.26, with a total value of $457,441, to cover tax obligations upon the vesting of restricted stock units.
Carvana Co. (NASDAQ:CVNA) President of Special Projects, Taira Thomas, sold 10,000 shares of Class A Common Stock on November 28, 2025, at an average price of $375.01, for a total value of $3,750,100. The sales were executed in multiple trades with prices ranging from $375.00 to $375.19. This transaction comes as Carvana shares have delivered impressive returns, with the stock up nearly 88% year-to-date and 50% over the past year. According to a Form 4 filing with the Securities and Exchange Commission, the sale was executed under a Rule 10b5-1 trading plan adopted on August 8, 2025. Following the transaction, Thomas directly owns 106,507 shares of Carvana Co.
Woodward, Inc. (NASDAQ:WWD) Executive Vice President and COO Thomas G. Cromwell sold 10,000 shares of company stock on November 28 and December 1, 2025. The sales, executed under a Rule 10b5-1 trading plan, fetched prices ranging from $296.26 to $299.39, totaling approximately $2.97 million. These transactions occurred with WWD trading near its 52-week high of $304.72, after the stock has delivered an impressive 81.33% year-to-date return. On the same dates, Cromwell also exercised options to acquire 10,000 shares of Woodward stock at a price of $117.64 per share, for a total value of $1,176,400. The significant price difference between the option exercise price and current market value reflects Woodward’s strong performance.
Why Monitor Insider Transactions
Tracking insider buying and selling can provide valuable insights for investors. When company executives, directors, or major shareholders purchase or sell stock, they often possess a deeper understanding of the company’s prospects. Significant insider buying may signal confidence in future growth, while substantial selling could indicate concerns about valuation or upcoming challenges. However, insiders sell for many reasons unrelated to company outlook, including diversification, tax planning, or personal financial needs. Rather than viewing these transactions in isolation, investors should consider them as one piece of a broader investment analysis, alongside financial performance, industry trends, and overall market conditions.
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