Form 4: CoreWeave CDO Sells Shares via Pre-Arranged 10b5-1 Plan

CoreWeave's Chief Development Officer, Brannin McBee, executed sales of Class A Common Stock totaling 33,835 shares through pre-arranged trading plans.

Summary

• Brannin McBee, CoreWeave's Chief Development Officer, reported transactions on December 29, 2025, under a Rule 10b5-1 trading plan adopted on September 2, 2025.
• A total of 25,000 shares of Class B Common Stock held indirectly by the Canis Major 2025 GRAT were converted into Class A Common Stock.
• An additional 8,335 shares of Class B Common Stock held indirectly by the Canis Minor 2025 GRAT were converted into Class A Common Stock.
• The Canis Major 2025 GRAT subsequently sold 25,000 shares of Class A Common Stock at weighted average prices ranging from $73.8432 to $77.1733.
• The Canis Minor 2025 GRAT subsequently sold 8,335 shares of Class A Common Stock at weighted average prices ranging from $73.8421 to $77.1733.
• The Canis Major SM Trust also sold 500 shares of Class A Common Stock at weighted average prices ranging from $74.045 to $76.194.
• Following these transactions, the Canis Major 2025 GRAT and Canis Minor 2025 GRAT beneficially own 0 Class A Common Stock, while the Canis Major SM Trust holds 57,500 Class A Common Stock.
• The Canis Major 2025 GRAT continues to hold 5,875,000 Class B Common Stock, and the Canis Minor 2025 GRAT holds 958,325 Class B Common Stock, both convertible to Class A Common Stock on a 1:1 basis.
• An additional 1,800 Class A Common Stock are held indirectly by the reporting person's child.

Sentiment

Score: 5

Explanation: The filing is a routine disclosure of insider transactions executed under a pre-arranged 10b5-1 trading plan, which is generally considered neutral as it does not reflect new discretionary decisions based on recent material non-public information.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This Form 4 filing is a routine disclosure of insider transactions and does not provide information directly related to broader industry trends or competitive landscape.

Related Party Transactions

• Transactions involved the Canis Major 2025 GRAT, where the reporting person is the sole trustee and beneficiary.
• Transactions involved the Canis Minor 2025 GRAT, where the reporting person's spouse is the sole beneficiary and trustee.
• Transactions involved the Canis Major SM Trust, an irrevocable trust for which the reporting person's minor child is a beneficiary and the reporting person has the power to remove and replace the trustee.

Stakeholder Impact

• Shareholders may note the insider selling activity, although it was conducted under a pre-arranged 10b5-1 plan, which typically mitigates concerns about opportunistic selling.

Key Dates

Recommendation

The filing details routine insider sales by a Chief Development Officer through pre-arranged 10b5-1 plans. While insider selling can sometimes be a concern, these transactions are scheduled and do not necessarily reflect a change in the company's fundamental outlook. The filing does not provide sufficient new information to alter a 'hold' recommendation based on broader company fundamentals.

Keywords

CoreWeave, CRWV, Form 4, insider trading, stock sale, 10b5-1 plan, beneficial ownership, Class A Common Stock, Class B Common Stock, Brannin McBee