Below is a detailed review of the largest insider buying and selling reported for U.S. stocks on Tuesday, organized by the most significant purchases and disposals disclosed to regulators.
Top buys
Radian Group Inc. (NYSE: RDN) - The incoming chief executive, Michael S. Weinbach, made a material personal investment in the mortgage insurer by acquiring roughly $5.77 million of common stock. Mr. Weinbach bought 170,000 shares over two days at prices between $33.8852 and $34.0429 per share. The disclosed purchase is noted alongside commentary that the company has been an active repurchaser of its own stock while paying a 3.02% dividend yield. Additional metrics cited include a price‑to‑earnings ratio of 7.9 and a market capitalization of $4.5 billion, with analysis indicating the shares may be trading below their Fair Value according to InvestingPro data.
MasterBrand, Inc. (NYSE: MBC) - CEO and President R. David Banyard, Jr. purchased 60,000 shares of MasterBrand common stock on June 1, 2026, for a total consideration of $505,800. Individual trade prices ranged from $8.33 to $8.49 per share, producing a volume‑weighted average price of $8.43 per share. Following the acquisition, Mr. Banyard is reported to directly hold 1,831,788 shares in total, a figure that aggregates 576,339 restricted stock units that have not vested and 446,819 shares deferred under the company’s deferred compensation plan. InvestingPro analysis cited in the filing indicates that MasterBrand appears overvalued relative to its Fair Value.
Black Stone Minerals, L.P. (NASDAQ: BSM) - Director D. Mark DeWalch carried out purchases of limited partner common units totaling $985,353. The transactions were executed on two separate dates, May 29 and June 1, 2026. On May 29, Mr. DeWalch bought 36,363 common units at a weighted average price of $13.476 per unit, with trade prices spanning $13.42 to $13.56. After these acquisitions, the indirect holdings attributed to DeWalch Diversified LP rose to 594,885 units. The partnership’s shares were trading at $13.60 at the time of reporting, and InvestingPro’s Fair Value assessment suggested the security was undervalued. The filing also notes an 8.78% dividend yield and a Financial Health Score characterized as "GOOD."
Connect Biopharma Holdings Ltd (NASDAQ: CNTB) - Director James Huang purchased 150,000 ordinary shares on May 29, 2026. The transaction amounted to $371,610, with a weighted average purchase price of $2.4774 per share and individual trade prices ranging from $2.37 to $2.52. The stock is reported to be trading at $2.15, below Mr. Huang’s purchase price. The company’s balance sheet metric cited in the disclosure shows a current ratio of 3.23, suggesting a strong liquidity position.
Phibro Animal Health Corp. (NASDAQ: PAHC) - Director E. Thomas Corcoran bought 10,000 shares of Class A common stock on May 29, 2026, for a total purchase price of $317,700. The weighted average price was $31.77 per share, with trade prices between $31.66 and $31.85. The filing notes the present trading price at $28.52 and observes the stock fell by 15% over the prior week.
Top sells
Qorvo, Inc. (NASDAQ: QRVO) - The largest single insider sale reported involved director Peter A. Feld, who disposed of company common stock valued at about $192.3 million on June 2, 2026. The sales comprised 1,328,094 shares at an average price of $100.254 per share and another 571,906 shares at an average of $103.409 per share. The transactions occurred within a stated price range of $100.254 to $103.409 per share. The filing indicates the stock was trading at $102.74, near its 52‑week high of $109.49, after posting a 21.6% year‑to‑date return.
Best Buy Co Inc. (NYSE: BBY) - Chairman Emeritus Richard M. Schulze sold 500,350 shares of Best Buy common stock on May 29, 2026, generating approximately $38.1 million in proceeds. The sale prices were between $75.0884 and $77.6864 per share. The disclosure notes the transactions were completed indirectly through a revocable trust for which Mr. Schulze serves as trustee. The filing shows the trust’s holdings declined to 10,930,586 shares after the sales. It also records that the stock had rallied 18.6% over the prior week but was trading at $72.78 at the time of the report. InvestingPro analysis cited in the filing points to Best Buy trading at a P/E ratio of 13.6 and a PEG ratio of 0.43, and appearing undervalued.
Micron Technology Inc. (NASDAQ: MU) - President and CEO Sanjay Mehrotra sold common stock valued at about $35.95 million on May 29, 2026. The sales involved a total of 37,030 shares with individual prices ranging from $942.14 to $972.61 per share. The filings state these transactions were executed pursuant to a Rule 10b5‑1 trading plan that Mr. Mehrotra adopted on January 30, 2026, and that the shares were sold in multiple transactions across the stated price band.
Ondas Inc. (NASDAQ: ONDS) - Chairman, CEO and President Eric A. Brock reported the sale of 2,378,245 shares of Ondas common stock on June 2, 2026, at $13.43 per share, totaling approximately $31.9 million. The disclosure explains the sale was conducted to cover potential tax withholding obligations associated with the vesting of Mr. Brock’s Restricted Stock Units (RSUs).
CoreWeave, Inc. (NASDAQ: CRWV) - Director Jack D. Cogen sold 271,153 shares of Class A common stock on May 29, 2026, in transactions that totaled $29,004,694. The sale prices ranged from $106.30 to $108.82 per share and were carried out indirectly through CW Holding 987 LLC, for which Mr. Cogen is manager. Post‑transaction, Mr. Cogen owns 261,140 shares directly and holds additional indirect stakes through trust‑related entities that together exceed 11 million shares. The filing notes CoreWeave shares were trading at $119.28, up 14% over the previous week, indicating recent upward momentum despite the insider sale.
Context and takeaways
Insider transactions can provide investors with visibility into how those closest to a company are positioning their personal stakes. The buys disclosed here include significant purchases by CEOs and directors in the insurance, home products, energy/minerals partnership, small‑cap biotech and animal health sectors. On the sell side, the most substantial dispositions were recorded at semiconductor and consumer electronics companies, as well as in small‑cap technology and broadcasting sectors. Filings cite varied rationales for sales, including 10b5‑1 trading plans and tax withholding needs tied to vested equity awards.
Key points
- Executives at Radian and MasterBrand executed large purchases, signaling personal capital deployment into their companies.
- Major sales were reported at Qorvo and Best Buy, comprising the largest disclosed dispositions by dollar value among the transactions summarized.
- The activity spans several sectors - financials, consumer discretionary, semiconductors, energy/minerals partnerships and technology - showing cross‑market insider engagement.
Risks and uncertainties
- Insider sales may reflect non‑company related needs such as tax obligations or pre‑arranged trading plans rather than negative company outlooks - making interpretation uncertain for investors.
- Valuation commentary cited from InvestingPro is included in filings but may differ from other valuation assessments; reliance on a single Fair Value framework introduces model risk.
- Short‑term share price moves noted in disclosures (weekly or year‑to‑date performance metrics) can obscure longer‑term fundamentals, leaving potential uncertainty for timing investment decisions.
Monitoring insider buying and selling alongside other fundamental and technical indicators can provide additional context for investment decisions, but the motivations behind individual transactions are not always disclosed and can vary widely.