Here is a detailed review of the most material insider transactions disclosed for Thursday, May 28, 2026, covering purchases and sales reported across US public markets between May 26 and May 28, 2026.
Top insider buys
Hamilton Lane INC was the site of the largest single insider purchase reported for the period. Executive Co-Chairman and director Hartley R. Rogers - who is also recorded as a 10% owner of the company - made multiple acquisitions of Class A Common Stock on May 26 and May 27, 2026, that cumulatively totalled 110,932 shares and amounted to nearly $10 million.
The filings detail the transactions and prices: on May 26 Mr. Rogers directly purchased 47,025 shares at a weighted average price of $89.99 per share, with individual trades executed between $89.33 and $90.32. That same day an additional 47,025 shares were acquired indirectly through an LLC at the same weighted average price and within the same per-share range. Also on May 26, Mr. Rogers directly bought 7,975 shares at a weighted average price of $90.43, with those trades occurring between $90.33 and $90.50. An equal number of 7,975 shares were acquired indirectly by the LLC at the same weighted average price and range. These purchases occurred while the company’s stock was trading near its 52-week low of $82.69 and the shares had declined 32% year-to-date, with a reported trading price of $86.15 at the time of the filing.
Krispy Kreme, Inc. also recorded sizeable insider buying. Director Bernardo Hees made multiple purchases from May 26 through May 28, 2026, acquiring a total of company stock valued at $768,718. The transactions ranged in price from $3.30 to $3.4206 per share.
Specifically, on May 26 Mr. Hees purchased 1,974 shares at $3.30 per share. On May 27 he added 22,114 shares at a weighted average price of $3.378 per share, with individual trades between $3.350 and $3.390. The largest single-day buy occurred on May 28, when Mr. Hees purchased 200,989 shares at a weighted average price of $3.4206, with those trades carried out between $3.4000 and $3.4500 per share. These transactions were disclosed while Krispy Kreme’s stock was trading roughly 37% above its 52-week low of $2.50, and the filing includes commentary noting InvestingPro analysis that the stock appears overvalued relative to its Fair Value.
CADIZ INC also reported insider buying activity. Director David Mark O’Hara purchased 110,865 shares of the company’s common stock on May 26, 2026. The total consideration for that purchase was approximately $507,761. The per-share prices ranged from $4.50 to $4.61, for a weighted average of $4.58 per share. After the transaction, the filing indicates O’Hara directly owns 117,841 shares of CADIZ INC common stock. At the time of filing, CDZI shares were trading at $4.38, and InvestingPro analysis cited in the disclosure suggested the stock appears undervalued based on its Fair Value estimate.
Biotech company Polaryx Therapeutics, Inc. reported insider buy activity tied to an affiliated entity. On May 27, 2026, Mstone Partners Healthcare Ltd - an entity for which Polaryx’s CEO Alex Keun Mo Yang serves as founder and CEO - acquired 88,453 shares of Polaryx common stock in a private placement at $4.07 per share. That private placement generated gross proceeds of $360,000 for the company, and the purchase totalled $360,003. The filing notes PLYX shares were trading at $3.05 at the time of the disclosure, which is materially below the $4.07 purchase price. The filing further reports that PLYX has declined 91% year-to-date and dropped 15% in the past week.
Nakamoto Inc. reported a direct insider purchase by CEO, Director, and ten percent owner David F. Bailey. According to a filing, Mr. Bailey acquired a total of 55,115 shares of the company’s common stock on May 28, 2026, through two separate transactions that amounted to $309,515. The shares were purchased at prices ranging from $5.59 to $5.79 per share, which is close to the reported trading price of $5.60 at the time of disclosure. The filing characterizes these transactions as direct ownership. The disclosure also notes that the stock had declined 15% over the past week and nearly 99% over the past year, and that InvestingPro analysis places NAKA among the stocks appearing undervalued at current levels relative to Fair Value.
Top insider sells
On the sell side, Satellogic Inc. disclosed a large block sale tied to entities affiliated with director Steven T. Mnuchin. The filing shows that related entities sold 10,000,000 shares of the company’s Class A Common Stock on May 26, 2026, for proceeds of $97,700,000, at a price of $9.77 per share. The disclosure includes a description of the ownership structure and the chain of affiliated entities involved in the sale: the transaction was executed by Liberty Strategic Capital (SATL) Holdings, LLC, which directly holds the Class A common stock. The filing details how Steven T. Mnuchin is connected to that ownership through a sequence of entities, including STM Partners LLC, Liberty Capital L.L.C., Liberty 77 Capital Partners L.P., and Liberty 77 Capital L.P., which together describe the management and investment relationships behind the ownership and sale.
The filing notes that Satellogic stock had produced pronounced gains, with shares jumping nearly 500% over the prior six months and trading at $9.84 at the time of the disclosure. InvestingPro analysis included in the filing indicates the company appears overvalued relative to its Fair Value and places it among the most overvalued stocks on that platform.
CoreWeave, Inc. reported substantial dispositions by director Jack D. Cogen on May 26, 2026. The filing indicates Mr. Cogen arranged the sale of 986,540 shares of Class A Common Stock, representing proceeds of roughly $106,346,361. Transaction prices ranged from $106.5411 to $109.0156 per share. The sales were carried out indirectly through several entities managed by Mr. Cogen, including Birch Br Trust LLC, Chestnut Br Trust LLC, Maple Br Trust LLC, Willow Br Trust LLC, and CW Holding 987 LLC. The filing states Mr. Cogen disclaims beneficial ownership of securities held by these entities, except to the extent of his pecuniary interest. CoreWeave shares were trading at $106.87 in the disclosure and, despite the recent rally, InvestingPro analysis noted the stock remains listed as among the Most Undervalued on the platform.
Also on May 26, Stryker Corp director Ronda E. Stryker sold 300,000 shares of common stock for approximately $96.8 million. The transaction prices ranged from $310.77 to $315.114 per share. The filing indicates these sales were executed indirectly through a revocable trust. After the transactions the revocable trust is reported to hold 2,600,815 shares of Stryker common stock, which includes 679,642 shares that were transferred into the revocable trust from the L. Lee Stryker Trust on May 28, 2026. The disclosure places Stryker’s trading price at $307.52 and notes the stock had declined nearly 19% over the past year. The filing also references Stryker’s market capitalization of $117.3 billion and its status within the Healthcare Equipment & Supplies industry.
Arista Networks, Inc. ten percent owner Andreas Bechtolsheim disclosed sales executed under a Rule 10b5-1 trading plan signed on February 20, 2026. The filing reports that 210,000 shares of Arista common stock held indirectly by a family trust for which Mr. Bechtolsheim serves as trustee were sold on May 26, 2026, generating proceeds of approximately $34.5 million. Prices for those transactions ranged from $154.4979 to $160.0051 per share. The disclosure also notes that Arista shares had returned 67% over the past year and that InvestingPro analysis lists the stock among the most overvalued relative to Fair Value.
CoreWeave’s CEO and President Michael N. Intrator also reported sales on May 26, 2026. Under a Rule 10b5-1 trading plan adopted November 20, 2025, Mr. Intrator sold 297,693 shares of Class A Common Stock for proceeds of approximately $32.8 million. The shares transacted at prices ranging from $105.705 to $109.16. The filing states Mr. Intrator directly sold 190,000 shares of Class A Common Stock and, following the direct sales, holds 4,076,815 shares of Class A Common Stock directly. As with the other CoreWeave disclosures, InvestingPro commentary included in the filings indicates the stock remained on the platform’s Most Undervalued list despite recent gains.
Context and closing observations
The filings over this three-day span reveal a mix of confidence purchases and large block sales across industries including asset management, consumer packaged goods, biotechnology, cloud infrastructure, aerospace imagery, and medical devices. The reported insider purchases range from strategic private placement support and small director purchases to multi-million-dollar direct acquisitions by senior executives and significant owners. Large sales were often channeled through trusts, Rule 10b5-1 plans, or entities connected to directors, and in several cases the filings explicitly describe the ownership structures that tie the insiders to the shares sold.
While insider buying is frequently read as an expression of confidence by corporate insiders, and large sales can raise questions about liquidity and portfolio management, the filings themselves simply document the transactions and note the trading context at the time. The disclosures include price ranges, weighted average prices, and the number of shares involved, alongside notes on recent trading performance and InvestingPro commentary about how current prices align with Fair Value estimates.
Investors monitoring insider activity should consider these transactions alongside other fundamental and technical analysis. The filings presented here provide precise transactional detail but do not supply the full array of considerations that inform investment decisions, such as broader corporate strategy, timing of sales for tax or estate planning, or the stated intentions behind private placements.
Note: This article presents filings disclosed for May 26-28, 2026 as reported in public SEC filings and related disclosures. The figures, dates, prices, share counts, and characterization of undervaluation or overvaluation are those stated in the referenced filings and InvestingPro commentary that accompanied those disclosures.