Here is a breakdown of the most notable insider purchases and dispositions disclosed for U.S. publicly traded companies on Wednesday, organized by the largest buys and sells reported in recent Form 4 filings.
Top buys
General Atlantic's multi-entity Alkami purchase - $50.6 million
General Atlantic, L.P. and several affiliated investment vehicles - including General Atlantic Genpar (Bermuda), L.P., Gap (Bermuda) L.P. and Gap Coinvestments CDA, L.P. - reported a sequence of purchases in Alkami Technology, Inc. (NASDAQ: ALKT) that together total $50.6 million. The filings show three separate transactions across March 9-11, 2026.
- On March 9, 2026, the entities acquired 842,266 Alkami shares at $17.35 per share, a tranche valued at $14.61 million, with reported execution prices ranging from $17.17 to $17.47.
- On March 10, 2026, they purchased 1,103,749 shares at $17.56 each, representing $19.38 million of investment.
- On March 11, 2026, the final reported purchase was 900,000 shares at $18.41 apiece, totaling $16.57 million.
The series of acquisitions coincides with a one-week return of 12.6% for Alkami, and the stock is reported trading at $18.57 with a market capitalization of $1.97 billion, according to InvestingPro data disclosed in the filings.
Coliseum Capital Management increases stake in Sonos - $12.9 million
Coliseum Capital Management, with named individuals Christopher S. Shackelton and Adam Gray, reported purchases of Sonos Inc. (NASDAQ: SONO) totaling $12.9 million. The trades were all reported under transaction code "P" and occurred between March 9 and March 11, 2026.
- March 9: 420,000 shares acquired at an average price of $13.95.
- March 10: 320,000 shares acquired at an average price of $14.19.
- March 11: 180,000 shares acquired at an average price of $14.22.
These purchases were made while Sonos shares are down roughly 19% year-to-date. The filings note an InvestingPro analysis that characterizes Sonos as undervalued at current price levels.
Alpha Metallurgical Resources director buys $4.4 million of stock
Director Kenneth S. Courtis of Alpha Metallurgical Resources (NASDAQ: AMR) reported multiple purchases of common stock aggregating to $4.4 million. On March 9, 2026, Courtis acquired 24,950 shares at prices between $174.6 and $180.2 per share.
After these purchases, Courtis directly owns 841,537 shares of AMR. The stock is cited as trading at $187.55 and having risen 31% over the past six months; InvestingPro commentary in the filings describes the shares as appearing undervalued. An InvestingPro tip noted in the filings also indicates active share buybacks by management.
Framework Ventures adds to Better Home & Finance stake - $1.2 million
Framework Ventures, identified as a significant shareholder in Better Home & Finance Holding Co. (NASDAQ: BETR), increased its holdings through multiple purchases totaling $1.2 million. The transactions took place on March 9 and March 11, 2026.
- March 9: 10,000 shares bought at prices within the disclosed range.
- March 11: 21,598 shares bought.
Share prices for these trades were reported between $35.46 and $39.73 per share. The filings place these purchases amid strong recent momentum for BETR - a 263% return over the previous year and a 19.6% gain during the last week. InvestingPro analysis noted in the filings, however, assesses the stock as appearing overvalued relative to its Fair Value estimate.
Top sells
CoreWeave executive sales under a 10b5-1 plan - $34.9 million
CoreWeave, Inc. (CRWV) Chief Development Officer Brannin McBee and related entities sold Class A common stock totalling $34.9 million on March 9, 2026. The transactions were executed under a pre-arranged Rule 10b5-1 trading plan, with sale prices reported from $71.72 to $74.32 per share.
- McBee sold 89,646 shares at $71.7232 per share.
- 141,108 shares sold at $72.4075.
- 18,163 shares sold at $73.7281.
- 51,083 shares sold at $74.3245.
Following these sales, CoreWeave shares subsequently rose to $81.96, roughly 10% above the weighted sale prices, but remain materially below the stock's 52-week high of $187, according to the filings.
Regency Centers' Executive Chairman sells roughly $13 million
Martin E. Stein Jr., Executive Chairman of Regency Centers Corp (NASDAQ: REG), reported the sale of 167,490 shares of common stock over March 10 and March 11, 2026, for proceeds of about $13 million. The sales were executed in two tranches with prices ranging from $76.9 to $78.68.
- March 10: 129,490 shares disposed at a weighted average of $78.334.
- March 11: 38,000 shares sold at a weighted average of $77.2139.
After the transactions, Stein retains an indirect holding of 157,892 shares through a general partnership. The timing aligns with Regency Centers trading near its 52-week high of $79.89—shares are reported at $77.67—and InvestingPro analysis in the filings describes REG as appearing overvalued relative to Fair Value.
Permian Resources CEO sells $12.38 million
James H Walter, Director and Co-Chief Executive Officer of Permian Resources Corp (EXCHANGE: PR), sold 673,425 shares of Class A common stock on March 4, 2026, at a weighted average price of $18.38 per share. The total transaction value reported was $12.38 million, with individual sale prices between $18.24 and $18.53.
Following the sale, Walter is reported to directly own 9,389,405 shares of Permian Resources and to indirectly own 2,989,989 shares via an investment partnership. The filing notes that the stock trades near its 52-week high of $19.43 after a 57% gain over the past year, and InvestingPro commentary in the filings characterizes PR as remaining undervalued at current levels.
Vicor CEO executes planned sales totaling about $17 million
Patrizio Vinciarelli, Chairman and Chief Executive Officer of Vicor Corp (NASDAQ: VICR), reported multiple sales conducted under a Rule 10b5-1 trading plan adopted on November 3, 2025. The filings document sales on March 9 and March 10, 2026, aggregating to approximately $17 million in proceeds.
- March 9: 49,990 shares sold across multiple trades at prices from $159.2269 to $170.023, totaling roughly $8.21 million.
- March 10: 43,678 shares sold at weighted average prices ranging from $169.70 to $182.1746, with proceeds of about $8.8 million.
After these dispositions, Vinciarelli is reported to directly own 9,519,813 shares and indirectly own 171,125 shares held in trust. The filings note that Vicor shares have advanced 251% over the prior year and were trading at $178.08 at the time of the filing, although they were down about 13% over the preceding week. InvestingPro commentary included in the filings suggests the stock may be overvalued relative to its Fair Value estimate.
Context and implications
The collection of filings shows a mix of concentrated institutional buying and pre-planned executive sales. Institutional purchases - such as the large, multi-day investment in Alkami and Coliseum Capital's purchases of Sonos - can signal conviction by outside investors in specific companies. Conversely, several executives reported sales under 10b5-1 plans or as routine portfolio management, which the filings explicitly identify.
Specific valuation commentary appearing alongside these filings is drawn from InvestingPro analyses cited in the filings: Sonos and Alpha Metallurgical Resources were described as appearing undervalued at current prices, Permian Resources was characterized as undervalued despite recent gains, while Better Home & Finance and Regency Centers were described as appearing overvalued relative to Fair Value estimates. Vicor was also flagged in the filings as appearing potentially overvalued relative to its Fair Value estimate.
Investors monitoring these filings may treat large insider purchases as evidence of bullish institutional sentiment and scheduled executive sales as neutral or personal financial planning rather than a negative signal. The filings underscore how insider transaction patterns - particularly when they involve sizeable dollar amounts or repeat trades - can become a component of due diligence for market participants.
What to watch
- Whether the institutional buyers continue to add to positions in Alkami and Sonos, which could influence short-term liquidity and market perception.
- Performance of stocks flagged in Filing-linked InvestingPro commentary for valuation divergence - namely AMR, SONO, BETR, REG and VICR - as those assessments may attract investor attention or additional trades.