FilingsForm 4

Canis Minor 2025 GRAT sold $1.36 million of CoreWeave Class A shares (Form 4 of Brannin McBee, part 2 of 2)

Value$1.36 million, held indirectly
Shares18,750, held indirectly
Average price$72.61
FiledMar 11

The Canis Minor 2025 GRAT, of which the form says the spouse of CoreWeave chief development officer Brannin McBee was the sole beneficiary and trustee, sold 18,750 Class A shares on Mar 9, 2026, at an average of $72.61 a share, for $1.36 million. The shares were held indirectly, and the form lists a conversion of 18,750 Class B shares into Class A shares that day and states 0 Class A shares held after the last sale line. The sale was made under a Rule 10b5-1 trading plan adopted by McBee on Nov 17, 2025, a footnote says. The SEC Form 4, the form an insider files when trading company shares, was filed on Mar 11, 2026, and is part 2 of 2 for McBee.1234567891011121314151617

How each figure was checked17 facts
  1. by_holderthe sale lines of this form, by who held the shares: Canis Minor 2025 GRAT (held indirectly): 18750 shares for 1361350.3214 USDOur database
  2. Footnote F2 of the Form 4 filed Mar 11, 2026 (it is attached to that document's line N1, N2, N3, N4, N5, D1)2025Footnotes of the SEC Form 4 filed 2026-03-11 ↗
  3. ownerBrannin McBee (filed as McBee Brannin)Our database
  4. relationshipofficer (Chief Development Officer)Our database
  5. shares18,750Our database
  6. first_dateMar 9, 2026Our database
  7. average_price$72.61Our database
  8. value$1.36 millionOur database
  9. shares_afterafter the last sale line the form states 0 shares of Class A Common Stock held indirectly (Canis Minor 2025 GRAT)Our database
  10. holding4 sale lines held indirectly (Canis Minor 2025 GRAT)Our database
  11. line N1conversion of a derivative security (code C): 18750 shares acquired on 2026-03-09, no price stated; held indirectly (Canis Minor 2025 GRAT); 18750 owned after the lineOur database
  12. line D1derivative line, conversion of a derivative security (code C): 18750 shares disposed on 2026-03-09, no price stated; held indirectly (Canis Minor 2025 GRAT); 881250 owned after the lineOur database
  13. line D1 shares_after881,250 shares of Class B Common Stock owned after this line, held indirectly (Canis Minor 2025 GRAT)Our database
  14. Footnote F1 of the Form 4 filed Mar 11, 2026 (it is attached to that document's line N1, D1)Footnotes of the SEC Form 4 filed 2026-03-11 ↗
  15. Footnote F3 of the Form 4 filed Mar 11, 2026 (it is attached to that document's line N2, N3, N4, N5)November 17, 2025Footnotes of the SEC Form 4 filed 2026-03-11 ↗
  16. filed_onMar 11, 2026Our database
  17. Remarks of the Form 4 filed Mar 11, 2026 (they speak for the form as a whole, not for a line)2Footnotes of the SEC Form 4 filed 2026-03-11 ↗

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001769628-26-000112
Filed
Mar 11, 2026
Period of report
Mar 9, 2026
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) · 18,750 Class A Common Stock · Mar 9, 2026 · acquired, indirectly, Canis Minor 2025 GRAT · 18,750 held after · footnotes F1 and F2
Line 2
S (sale) · 5,736 Class A Common Stock at $71.7282 · Mar 9, 2026 · disposed, indirectly, Canis Minor 2025 GRAT · 13,014 held after · footnotes F2, F3 and F4
Line 3
S (sale) · 8,740 Class A Common Stock at $72.4113 · Mar 9, 2026 · disposed, indirectly, Canis Minor 2025 GRAT · 4,274 held after · footnotes F2, F3 and F5
Line 4
S (sale) · 1,091 Class A Common Stock at $73.7641 · Mar 9, 2026 · disposed, indirectly, Canis Minor 2025 GRAT · 3,183 held after · footnotes F2, F3 and F6
Line 5
S (sale) · 3,183 Class A Common Stock at $74.3217 · Mar 9, 2026 · disposed, indirectly, Canis Minor 2025 GRAT · 0 held after · footnotes F2, F3 and F7
Derivative line 1
C (conversion of a derivative security) · 18,750 Class B Common Stock · Mar 9, 2026 · disposed, indirectly, Canis Minor 2025 GRAT · 881,250 held after · footnotes F1 and F2
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 Minor 2025 GRAT, of which the reporting person's spouse is the sole beneficiary and trustee.
Footnote F3
The reported transaction represents a sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 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 $71.03 to $72.02, 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 $72.03 to $73.00, 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 $73.03 to $74.02, 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 $74.03 to $74.48, inclusive.
Footnote F8
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 F9
The reported securities are directly held of record by the reporting person's child.
Footnote F10
The reported securities are directly held by the Canis Major 2024 Irrevocable Trust LLC of which the reporting person serves as manager.
Footnote F11
The reported securities are directly held by the Canis Major 2025 Family Trust LLC, of which the reporting person serves as manager.
Footnote F12
The reported securities are directly held by the Canis Minor 2025 Family Trust LLC, of which the reporting person serves as manager.
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$4.71 billion sold
Magnetar Financial LLC · sold, held indirectly$3.46 billion
Brian Venturo · sold, held indirectly$376.75 million
Brannin McBee · sold$265.44 million
Brannin McBee · sold, held indirectly$260.32 million
Jack Cogen · sold, held indirectly$105.3 million
Michael Intrator · sold$74.65 million
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About CoreWeave

CoreWeave page →
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

Open roles
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Layoffs, 12 months
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Sources

  1. SEC EDGAR, Form 4 filed Mar 11, 2026
  2. How we collect our data

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