FilingsForm 4

Trusts tied to CoreWeave's Brannin McBee sold $2.56 million of shares on Dec 29, 2025 (Form 4, part 2 of 2)

Value$2.56 million, held indirectly
Shares33,835, held indirectly
Average price$75.63
FiledDec 31

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.12345678910111213141516

How each figure was checked16 facts
  1. 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 USDOur database
  2. CoreWeave Form 4 0001769628-25-000134: sidesaleOur database
  3. CoreWeave Form 4 0001769628-25-000134: shares33,835Our database
  4. 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)Our database
  5. CoreWeave Form 4 0001769628-25-000134: value$2.56 millionOur database
  6. CoreWeave Form 4 0001769628-25-000134: first dateDec 29, 2025Our database
  7. CoreWeave Form 4 0001769628-25-000134: average price$75.63Our database
  8. CoreWeave Form 4 0001769628-25-000134: ownerBrannin McBee (filed as McBee Brannin)Our database
  9. 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) ↗
  10. 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) ↗
  11. 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) ↗
  12. 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) ↗
  13. 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 lineOur database
  14. CoreWeave Form 4 0001769628-25-000134: filed onDec 31, 2025Our database
  15. CoreWeave Form 4 0001769628-25-000134: relationshipofficer (Chief Development Officer)Our database
  16. 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.
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Insider purchases and sales of CoreWeave shares, since Aug 29, 2025

Total$4.4 billion sold
Magnetar Financial LLC · sold, held indirectly$3.46 billion
Brian Venturo · sold, held indirectly$266.06 million
Brannin McBee · sold, held indirectly$208.78 million
Brannin McBee · sold$173.36 million
Jack Cogen · sold, held indirectly$105.3 million
Michael Intrator · sold$49.28 million
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About CoreWeave

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Revenue$5.13 billionYear to Dec 31, 2025 · +167.94% year over year
Operating income−$46 millionYear to Dec 31, 2025 · −114.2% year over year
Net income−$1.17 billionYear to Dec 31, 2025 · −35.23% year over year

Source: SEC EDGAR XBRL financial data · filed Aug 12, 2026

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Sources

  1. SEC EDGAR, Form 4 filed Dec 31, 2025
  2. How we collect our data

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