Corporate insiders reported several high-value transactions between January 23 and January 26, 2026, including concentrated purchases by board members and large holders as well as significant disposition by senior executives. The filings detail outright buys tied to a merger, option exercises and open-market purchases, alongside planned sales and option-related disposals at major publicly traded firms.
Top purchases
Mirum Pharmaceuticals Inc (NASDAQ:MIRM) disclosed material insider buying linked to two separate entries. Director Patrick J. Heron reported buying 131,425 shares at $68.48 per share on January 23, 2026, a transaction valued at roughly $9 million. In a related filing, Heron also indirectly obtained 159,277 shares through Frazier Life Sciences X, L.P. in connection with the Bluejay Therapeutics, Inc. merger; that acquisition carried a per-share price of $94.29 on the merger’s effective date.
Hycroft Mining Holding Corp (NASDAQ:HYMC) recorded a large purchase by ten percent owner Eric Sprott and 2176423 Ontario Ltd, who picked up 100,000 shares of Class A common stock at $49.96 per share on January 26, 2026. The trade totaled nearly $5 million. Following the purchase, Sprott’s reported total ownership stands at 36,553,704 shares. The company’s shares are trading at $54.85, around 10% above Sprott’s purchase price and moving toward a 52-week high of $58.73. The filing notes Hycroft Mining’s market capitalization at approximately $4.54 billion, with analysts rating its financial health as "GOOD."
Intel Corp (NASDAQ:INTC) saw a purchase from Executive Vice President and Chief Financial Officer David Zinsner, who acquired 5,882 shares of common stock on January 26, 2026. The shares were bought at $42.50 each for a total of $249,985. After the transaction, Zinsner directly owns 247,392 shares of Intel. The filing highlights the broader context for the semiconductor maker: the stock has gained 121.87% over the past year despite recent swings, including a 19.02% decline in the most recent week, and has since recovered to $43.93 per share.
Streamex Corp (NASDAQ:STEX) disclosed that ten percent owner Frank Giustra purchased 1,000,000 shares of common stock on January 23, 2026, at $3.00 per share, a deal valued at $3,000,000. Post-transaction, Giustra directly and indirectly holds 1,178,205 shares through an entity where he exercises voting and dispositive control.
Biodesix Inc (NASDAQ:BDSX) Emeritus Director Jack W. Schuler executed two purchases that together total $1,180,736. On January 23, 2026, Schuler acquired 80,000 shares at a weighted average price of $11.8084 — total $944,672 — with execution prices ranging from $11.225 to $12.05. He then bought 20,000 shares on January 26, 2026, at a weighted average price of $11.8032, costing $236,064, with trade prices between $11.56 and $11.99.
Top sales
Goldman Sachs Group Inc (NYSE:GS) reported sizeable disposals by two senior officers on January 23, 2026. Chief Accounting Officer Sheara J. Fredman sold 4,800 shares of common stock across multiple transactions totaling $4,492,188, with sale prices ranging from $917.88 to $935.96.
Also on January 23, 2026, AutoZone Inc (NYSE:AZO) Senior Vice President Richard Craig Smith sold 5,910 shares of common stock at $3,700.00 per share, producing proceeds of $21,867,000. The filing states the stock is trading at $3,799.99 and that the company’s market value is approximately $63 billion. Smith additionally exercised options to acquire 5,910 shares at an exercise price of $587.13, for a gross exercise value of $3,469,938. Those options were granted under the AutoZone, Inc. 2011 Equity Incentive Award Plan and became exercisable in annual increments beginning in 2018.
Goldman Sachs’ Chief Legal Officer and General Counsel Kathryn H. Ruemmler reported selling 9,129 shares on January 23, 2026, for total proceeds of $8,893,930. The reported sales occurred at prices between $921.91 and $935.79. After the transactions, Ruemmler directly owns 18,533 shares of Goldman Sachs stock.
Northern Trust Corp (NASDAQ:NTRS) Chief Operating Officer Peter Cherecwich disposed of 25,000 shares on January 26, 2026. Those shares were sold at weighted average prices between $149.45 and $149.79, yielding about $3.74 million. The filing notes Cherecwich directly holds 23,851 shares following the sale and indirectly owns additional shares through various trusts. Northern Trust’s profile in the filing highlights a 56-year consecutive dividend payment history and a current yield of 2.13%, along with a one-year return of 38.22%.
Wayfair (NYSE:W) Chief Executive Officer Niraj Shah recorded sales totaling 150,600 shares of Class A Common Stock on January 23, 2026, producing approximately $16.3 million in proceeds. The sales were executed in three separate transactions at weighted average prices ranging from $108.34 to $109.74. The filing shows Wayfair’s stock has returned 125% over the last year and is trading at $111.15.
Context on tracking insider transactions
Insider filings give investors a window into how executives, directors and large holders are positioning themselves relative to their companies’ publicly traded stock. Purchases by insiders commonly are viewed as signals of confidence, since those individuals are investing personal capital. Sales can reflect concerns about valuation or future prospects, but they can also be tied to personal financial planning, option exercises or scheduled liquidity needs. The filings in this group include direct purchases, indirect acquisitions tied to a merger, and option exercises that resulted in both acquisition and immediate sale.
These disclosures do not provide a complete picture of motives or timing beyond the transactional data reported to the SEC. As such, while they constitute a useful data point for evaluating equity opportunities across biotech, mining, semiconductors, retail and financials, they should not be the sole basis for investment decisions.