Brannin McBee, Chief Development Officer of CoreWeave, Inc. (NASDAQ:CRWV), filed a Form 4 on August 19, 2026, disclosing Class B Common Stock conversions and Class A Common Stock sales across three indirect holding entities on August 17, 2026, all executed under a Rule 10b5-1 trading plan.

Key Highlights

  • Three entities involved: Transactions occurred through the Canis Major 2024 Irrevocable Trust LLC, the Canis Major 2025 GRAT, and the Canis Minor 2025 GRAT.
  • Class B conversions: A total of 55,500 shares of Class B Common Stock were converted into Class A Common Stock across the three entities (3,000; 40,000; and 12,500 shares respectively).
  • Class A shares sold: All 55,500 resulting Class A shares were sold on August 17, 2026, leaving zero Class A shares in each entity following the transactions.
  • Price range: Sales were executed in multiple tranches at weighted average prices ranging from approximately $101.903 to $109.6515, with individual transaction prices ranging from $101.39 to $109.89, inclusive.
  • Rule 10b5-1 plan: According to the filing, all sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2026.
  • Remaining Class B holdings: Following the transactions, the three entities held 291,000; 3,477,227; and 423,705 shares of Class B Common Stock, respectively, according to the filing.
  • Filing is part of a series: The form notes this is "Part 2 of 3" for this reporting person, with transactions continued on Part 3.

CoreWeave CDO's Multi-Tranche Sales Across Trust Vehicles on August 17, 2026

According to the filing, McBee Brannin, identified as Chief Development Officer of CoreWeave, Inc., disposed of Class A Common Stock held indirectly through three separate vehicles on August 17, 2026. In each case, shares of Class B Common Stock were first converted on a one-for-one basis into Class A Common Stock, and those shares were then sold in multiple tranches throughout the same day. The filing states that each share of Class B Common Stock is convertible into one share of Class A Common Stock at the election of the holder.

For the Canis Major 2024 Irrevocable Trust LLC, of which the reporting person serves as manager, 3,000 Class B shares were converted and the resulting 3,000 Class A shares were sold across nine tranches. For the Canis Major 2025 GRAT, a grantor retained annuity trust of which the reporting person is described as sole trustee and beneficiary, 40,000 Class B shares were converted and all 40,000 Class A shares were sold across nine tranches. For the Canis Minor 2025 GRAT, a grantor retained annuity trust of which the reporting person's spouse is described as sole beneficiary and trustee, 12,500 Class B shares were converted and all 12,500 Class A shares were sold across nine tranches.

The filing states that all sale transactions were made pursuant to a Rule 10b5-1 trading plan adopted on March 5, 2026. Prices reported for each tranche are weighted averages, and the filing notes that the reporting person will provide full information on the number of shares sold at each separate price upon request by the issuer, any security holder of the issuer, or the SEC staff. The form was signed by Nisha Antony as Attorney-in-Fact on August 19, 2026, and the filing explicitly states it is Part 2 of 3 for this reporting person.

What Was Disclosed

CoreWeave's Chief Development Officer disclosed the August 17, 2026 conversion of 55,500 Class B shares and the same-day sale of all resulting Class A shares across three trust entities, executed under a pre-established Rule 10b5-1 plan adopted March 5, 2026.