Trusts tied to CoreWeave's Brannin McBee sold $2.56 million of shares on Dec 29, 2025 (Form 4, part 2 of 2)
The Canis Major 2025 GRAT, the Canis Minor 2025 GRAT and the Canis Major SM Trust sold 33,835 Class A shares worth $2.56 million on Dec 29, 2025, at an average of $75.63 a share. Footnotes tie the trusts to McBee, the form's reporting person: as sole trustee and beneficiary of the Canis Major 2025 GRAT, through a spouse who was trustee and sole beneficiary of the Canis Minor 2025 GRAT, and through a power to replace the Canis Major SM Trust's trustee. A footnote says the sales were made under a Rule 10b5-1 trading plan adopted on Sep 2, 2025, and the form's box for such a plan is ticked. The Form 4, which an insider files when trading the company's shares, was filed for chief development officer Brannin McBee on Dec 31, 2025 as part 2 of 2 and states 57,500 Class A shares held by the Canis Major SM Trust and 0 held by each GRAT after the last sale lines.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
How each figure was checked
- CoreWeave Form 4 0001769628-25-000134: by holderthe sale lines of this form, by who held the shares: Canis Major 2025 GRAT (held indirectly): 25000 shares for 1890664.0072 USD; Canis Minor 2025 GRAT (held indirectly): 8335 shares for 630346.8977 USD; Canis Major SM Trust (held indirectly): 500 shares for 37784.8812 USD
- CoreWeave Form 4 0001769628-25-000134: sidesale
- CoreWeave Form 4 0001769628-25-000134: shares33,835
- CoreWeave Form 4 0001769628-25-000134: shares afterafter the last sale line the form states 0 shares of Class A Common Stock held indirectly (Canis Major 2025 GRAT); 0 shares of Class A Common Stock held indirectly (Canis Minor 2025 GRAT); 57500 shares of Class A Common Stock held indirectly (Canis Major SM Trust)
- CoreWeave Form 4 0001769628-25-000134: value$2.56 million
- CoreWeave Form 4 0001769628-25-000134: first dateDec 29, 2025
- CoreWeave Form 4 0001769628-25-000134: average price$75.63
- CoreWeave Form 4 0001769628-25-000134: ownerBrannin McBee (filed as McBee Brannin)
- Footnote F2 of the Form 4 filed Dec 31, 2025 (it is attached to that document's line N1, N2, N3, N4, N5, D1)2025Footnotes and remarks of the Form 4 (SEC EDGAR) ↗
- Footnote F8 of the Form 4 filed Dec 31, 2025 (it is attached to that document's line N6, N7, N8, N9, N10, D2)2025Footnotes and remarks of the Form 4 (SEC EDGAR) ↗
- Footnote F9 of the Form 4 filed Dec 31, 2025 (it is attached to that document's line N11, N12, N13)Footnotes and remarks of the Form 4 (SEC EDGAR) ↗
- Footnote F3 of the Form 4 filed Dec 31, 2025 (it is attached to that document's line N2, N3, N4, N5, N7, N8, N9, N10, N11, N12, N13)September 2, 2025Footnotes and remarks of the Form 4 (SEC EDGAR) ↗
- CoreWeave Form 4 0001769628-25-000134: rule 10b5 1ticked: the filing marks a transaction on the form as made under a Rule 10b5-1 plan; the box is one answer for the whole form and does not say which line
- CoreWeave Form 4 0001769628-25-000134: filed onDec 31, 2025
- CoreWeave Form 4 0001769628-25-000134: relationshipofficer (Chief Development Officer)
- Remarks of the Form 4 filed Dec 31, 2025 (they speak for the form as a whole, not for a line)2Footnotes and remarks of the Form 4 (SEC EDGAR) ↗
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001769628-25-000134
- Filed
- Dec 31, 2025
- Period of report
- Dec 29, 2025
- Reporting owner
- Brannin McBee (CIK 2058103, filed as McBee Brannin)
- Relationship
- officer (Chief Development Officer)
- Rule 10b5-1 checkbox
- Ticked
- Line 1
- C (conversion of a derivative security) · 25,000 Class A Common Stock · Dec 29, 2025 · acquired, indirectly, Canis Major 2025 GRAT · 25,000 held after · footnotes F1 and F2
- Line 2
- S (sale) · 450 Class A Common Stock at $73.8432 · Dec 29, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 24,550 held after · footnotes F2, F3 and F4
- Line 3
- S (sale) · 16,215 Class A Common Stock at $75.3975 · Dec 29, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 8,335 held after · footnotes F2, F3 and F5
- Line 4
- S (sale) · 7,482 Class A Common Stock at $76.0539 · Dec 29, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 853 held after · footnotes F2, F3 and F6
- Line 5
- S (sale) · 853 Class A Common Stock at $77.1733 · Dec 29, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 0 held after · footnotes F2, F3 and F7
- Line 6
- C (conversion of a derivative security) · 8,335 Class A Common Stock · Dec 29, 2025 · acquired, indirectly, Canis Minor 2025 GRAT · 8,335 held after · footnotes F1 and F8
- Line 7
- S (sale) · 150 Class A Common Stock at $73.8421 · Dec 29, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 8,185 held after · footnotes F3, F4 and F8
- Line 8
- S (sale) · 5,406 Class A Common Stock at $75.3975 · Dec 29, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 2,779 held after · footnotes F3, F5 and F8
- Line 9
- S (sale) · 2,495 Class A Common Stock at $76.0539 · Dec 29, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 284 held after · footnotes F3, F6 and F8
- Line 10
- S (sale) · 284 Class A Common Stock at $77.1733 · Dec 29, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 0 held after · footnotes F3, F7 and F8
- Line 11
- S (sale) · 18 Class A Common Stock at $74.045 · Dec 29, 2025 · disposed, indirectly, Canis Major SM Trust · 57,982 held after · footnotes F3, F4 and F9
- Line 12
- S (sale) · 364 Class A Common Stock at $75.4428 · Dec 29, 2025 · disposed, indirectly, Canis Major SM Trust · 57,618 held after · footnotes F3, F9 and F10
- Line 13
- S (sale) · 118 Class A Common Stock at $76.194 · Dec 29, 2025 · disposed, indirectly, Canis Major SM Trust · 57,500 held after · footnotes F3, F9 and F11
- Derivative line 1
- C (conversion of a derivative security) · 25,000 Class B Common Stock · Dec 29, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 5,875,000 held after · footnotes F1 and F2
- Derivative line 2
- C (conversion of a derivative security) · 8,335 Class B Common Stock · Dec 29, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 958,325 held after · footnotes F1 and F8
- Footnote F1
- Each share of Class B Common Stock is convertible into one share of the Issuer's Class A Common Stock at any time, at the election of the holder or automatically upon certain transfers, whether or not for value, or upon the occurrence of certain events or conditions described in the Issuer's Amended and Restated Certificate of Incorporation.
- Footnote F2
- The reported securities are directly held by the Canis Major 2025 GRAT, of which the reporting person is the sole trustee and beneficiary.
- Footnote F3
- The reported transaction represents a sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 2, 2025.
- Footnote F4
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.64 to $74.45, inclusive.
- Footnote F5
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.79 to $75.78, inclusive.
- Footnote F6
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.79 to $76.78, inclusive.
- Footnote F7
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.79 to $77.67, inclusive.
- Footnote F8
- The reported securities are directly held by the Canis Minor 2025 GRAT, of which the reporting person's spouse is the sole beneficiary and trustee.
- Footnote F9
- The reported securities are directly held by the Canis Major SM Trust (the "Canis Trust"), an irrevocable trust with a third-party trustee, of which the reporting person's minor child is beneficiary. The reporting person has the power to remove and replace the Canis Trust's trustee.
- Footnote F10
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.91 to $75.90, inclusive.
- Footnote F11
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.92 to $76.87, inclusive.
- Footnote F12
- The reported securities are directly held of record by the reporting person's child.
- Remarks
- This Form 4 is Part 2 of 2 for this reporting person. Transactions by the reporting person are continued on this Part 2.
Insider purchases and sales of CoreWeave shares, since Aug 29, 2025
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