Here’s a roundup of the most significant insider transactions disclosed on Monday, December 15, 2025.
Top Buys
Prairie Operating Co. (NASDAQ:PROP) saw substantial insider buying as entities associated with Gregory K. O’Neill, a ten percent owner, purchased 1,213,012 shares between November 20 and December 15, 2025. The shares were acquired at prices ranging from $1.6853 to $1.7197, representing a total investment of $2,055,439. These purchases occurred near PROP’s 52-week low of $1.64, with the stock currently trading at $1.67 after falling nearly 76% year-to-date.
Middleby Corp (NASDAQ:MIDD) Director Edward P. Garden demonstrated strong confidence in the company by acquiring 98,367 shares worth approximately $14.9 million between December 11-15, 2025. Garden’s purchases were executed at prices ranging from $143.57 to $146.92 across multiple transactions, including 10,138 shares at $143.57 on December 11, followed by additional purchases on subsequent days, culminating with 14,740 shares at $146.92 on December 15.
Vera Bradley, Inc. (NASDAQ:VRA) Director Andrew Meslow made a significant investment in the struggling accessories retailer, purchasing 300,000 common shares for a total of $590,205. On December 12, Meslow acquired 250,000 shares at prices between $1.950 and $1.990, followed by an additional 50,000 shares on December 15 at prices ranging from $1.9097 to $1.9484. The purchases come as VRA stock has fallen over 54% in the past year, with shares currently trading at $1.83 and a low Price/Book ratio of 0.4.
Harmonic Inc (NASDAQ:HLIT) Director David Krall purchased 47,528 shares in an open market transaction at $10.50 per share, totaling $499,044. Following the December 11 transaction, Krall now directly owns 223,125 shares of the company.
Climb Bio, Inc. (EXCHANGE:CLYM) received investment from RA Capital Funds, which purchased 314,561 shares valued at $754,737 on December 11-12, 2025. The purchases occurred at prices ranging from $2.11 to $3.00, with CLYM shares subsequently surging to $3.81, representing a 57.89% return in just one week. Additionally, RA Capital Healthcare Fund, L.P. exchanged 20,440,000 shares of Climb Bio common stock for pre-funded warrants to purchase up to 20,440,000 shares at $0.0001 per share on December 11.
Top Sells
EchoStar CORP (NASDAQ:SATS) CEO Hamid Akhavan sold 288,679 shares of Class A Common Stock on December 11, 2025, at prices ranging from $104.09 to $108.92, totaling $30.1 million. On the same day, Akhavan also exercised options to acquire 285,832 shares at $14.04 per share, for a total value of $4 million.
Wealthfront CORP (WLTH) CEO and President David Fortunato reported selling 765,154 shares at $14 per share on December 11, 2025, generating $12,047,980. The transaction occurred near the stock’s 52-week high of $14.88, with WLTH currently trading at $13.95. On the same day, Fortunato also exercised options to acquire 3,420,151 shares at prices ranging from $0 to $2.67, for a total value of $1,364,316.
Unity Software Inc. (NYSE:U) Director Tomer Bar-Zeev sold 175,400 shares on December 11-12, 2025, for approximately $8.7 million. The transactions occurred at various prices ranging from $47.00 to $52.08 per share, including 86,423 shares at a weighted average price of $50.58 on December 11, followed by additional sales at different price points, concluding with 50,000 shares at $47.00 on December 12.
Chime Financial (NASDAQ:CHYM) Director James Feuille sold 176,168 shares of Class A Common Stock on December 11, 2025, for approximately $4.7 million. The sales occurred in two transactions at weighted average prices, with 108,435 shares sold at prices between $26.40 and $27.34, and 67,733 shares sold at prices between $27.55 and $27.88. Chime’s stock is currently trading at $24.62, well below its 52-week high of $44.94, despite showing a 7.82% return over the last week.
Hewlett Packard Enterprise Co (NYSE:HPE) Executive Vice President, GM, Hybrid Cloud & CTO Fidelma Russo sold 126,512 shares on December 11, 2025, for approximately $3.1 million at a price of $24.6084 per share. The prices for the shares sold ranged from $24.50 to $24.88, leaving Russo with direct ownership of 51,002 shares. HPE currently offers a 2.37% dividend yield and has maintained dividend payments for 11 consecutive years.
Why Monitor Insider Transactions
Tracking insider buying and selling can provide valuable insights for investors, as company executives and directors often have unique knowledge about their company’s prospects. Substantial insider purchases may signal confidence in future performance, while significant sales might raise questions about a company’s outlook. However, insiders sell shares for various reasons unrelated to company performance, including diversification, tax planning, or personal financial needs. Rather than making investment decisions solely based on insider activity, investors should consider these transactions as one data point within a comprehensive analysis of company fundamentals, industry trends, and broader market conditions.
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