Trusts and LLCs linked to CoreWeave's Brannin McBee sold 35,335 shares for $2.6 million on Dec 15, 2025 (Form 4, part 2 of 3)
A Form 4, the form an insider files when trading the company's shares, reports that trusts and LLCs linked to CoreWeave chief development officer Brannin McBee sold 35,335 Class A shares at an average price of $73.58 a share, for $2.6 million, on Dec 15, 2025. The Canis Major 2025 GRAT, of which McBee was sole trustee and beneficiary, sold 25,000 shares, and the Canis Minor 2025 GRAT, of which McBee's spouse was sole beneficiary and trustee, sold 8,335; the Canis Major 2025 Family Trust LLC and the Canis Minor 2025 Family Trust LLC, of which McBee was manager, sold 1,000 shares each. A footnote says the sales were made under a Rule 10b5-1 trading plan adopted on Sep 2, 2025, and the form says it is part 2 of 3, with more transactions on part 3. The Form 4 was filed on Dec 17, 2025 and is on the SEC's EDGAR database.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
How each figure was checked
- the reporting owner as the dossier names the personBrannin McBee (filed as McBee Brannin)
- the role the form givesofficer (Chief Development Officer)
- shares sold on the form35,335
- shares the form states after the last sale line of each holder, and their classafter the last sale line the form states 0 shares of Class A Common Stock held indirectly (Canis Major 2025 Family Trust LLC); 0 shares of Class A Common Stock held indirectly (Canis Minor 2025 Family Trust LLC); 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)
- average price of the sale lines$73.58
- value of the sale lines$2.6 million
- date of the tradesDec 15, 2025
- who held the shares of the sale lines6 sale lines held indirectly (Canis Major 2025 Family Trust LLC); 6 sale lines held indirectly (Canis Minor 2025 Family Trust LLC); 7 sale lines held indirectly (Canis Major 2025 GRAT); 7 sale lines held indirectly (Canis Minor 2025 GRAT)
- footnote F3, on the Canis Major 2025 Family Trust LLCthe reporting person serves as managerFootnotes of the Form 4 filed Dec 17, 2025 ↗
- footnote F10, on the Canis Major 2025 GRATthe reporting person is the sole trustee and beneficiaryFootnotes of the Form 4 filed Dec 17, 2025 ↗
- the sale lines of the form by who held the sharesthe sale lines of this form, by who held the shares: Canis Major 2025 Family Trust LLC (held indirectly): 1000 shares for 73680.4276 USD; Canis Minor 2025 Family Trust LLC (held indirectly): 1000 shares for 73682.7675 USD; Canis Major 2025 GRAT (held indirectly): 25000 shares for 1839330.1546 USD; Canis Minor 2025 GRAT (held indirectly): 8335 shares for 613231.1774 USD
- footnote F17, on the Canis Minor 2025 GRATthe reporting person's spouse is the sole beneficiary and trusteeFootnotes of the Form 4 filed Dec 17, 2025 ↗
- footnote F8, on the Canis Minor 2025 Family Trust LLCthe reporting person serves as managerFootnotes of the Form 4 filed Dec 17, 2025 ↗
- footnote F1, on every sale lineSeptember 2, 2025Footnotes of the Form 4 filed Dec 17, 2025 ↗
- the remarks of the form, which speak for the form as a whole2; 3Footnotes of the Form 4 filed Dec 17, 2025 ↗
- the day the form was filedDec 17, 2025
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001769628-25-000116
- Filed
- Dec 17, 2025
- Period of report
- Dec 15, 2025
- Reporting owner
- Brannin McBee (CIK 2058103, filed as McBee Brannin)
- Relationship
- officer (Chief Development Officer)
- Rule 10b5-1 checkbox
- Ticked
- Line 1
- S (sale) · 403 Class A Common Stock at $72.5224 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 Family Trust LLC · 597 held after · footnotes F1, F2 and F3
- Line 2
- S (sale) · 445 Class A Common Stock at $73.7287 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 Family Trust LLC · 152 held after · footnotes F1, F3 and F4
- Line 3
- S (sale) · 61 Class A Common Stock at $74.5231 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 Family Trust LLC · 91 held after · footnotes F1, F3 and F5
- Line 4
- S (sale) · 37 Class A Common Stock at $76.3654 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 Family Trust LLC · 54 held after · footnotes F1, F3 and F6
- Line 5
- S (sale) · 36 Class A Common Stock at $78.855 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 Family Trust LLC · 18 held after · footnotes F1, F3 and F7
- Line 6
- S (sale) · 18 Class A Common Stock at $79.69 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 Family Trust LLC · 0 held after · footnotes F1 and F3
- Line 7
- S (sale) · 403 Class A Common Stock at $72.5228 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 Family Trust LLC · 597 held after · footnotes F1, F2 and F8
- Line 8
- S (sale) · 445 Class A Common Stock at $73.7293 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 Family Trust LLC · 152 held after · footnotes F1, F4 and F8
- Line 9
- S (sale) · 61 Class A Common Stock at $74.5231 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 Family Trust LLC · 91 held after · footnotes F1, F5 and F8
- Line 10
- S (sale) · 36 Class A Common Stock at $76.355 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 Family Trust LLC · 55 held after · footnotes F1, F6 and F8
- Line 11
- S (sale) · 37 Class A Common Stock at $78.8495 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 Family Trust LLC · 18 held after · footnotes F1, F7 and F8
- Line 12
- S (sale) · 18 Class A Common Stock at $79.69 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 Family Trust LLC · 0 held after · footnotes F1 and F8
- Line 13
- S (sale) · 10,140 Class A Common Stock at $72.4923 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 14,860 held after · footnotes F1, F9 and F10
- Line 14
- S (sale) · 10,077 Class A Common Stock at $73.6677 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 4,783 held after · footnotes F1, F10 and F11
- Line 15
- S (sale) · 2,852 Class A Common Stock at $74.3739 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 1,931 held after · footnotes F1, F10 and F12
- Line 16
- S (sale) · 501 Class A Common Stock at $75.5933 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 1,430 held after · footnotes F1, F10 and F13
- Line 17
- S (sale) · 376 Class A Common Stock at $76.573 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 1,054 held after · footnotes F1, F10 and F14
- Line 18
- S (sale) · 496 Class A Common Stock at $78.2976 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 558 held after · footnotes F1, F10 and F15
- Line 19
- S (sale) · 558 Class A Common Stock at $79.382 · Dec 15, 2025 · disposed, indirectly, Canis Major 2025 GRAT · 0 held after · footnotes F1, F10 and F16
- Line 20
- S (sale) · 3,381 Class A Common Stock at $72.4923 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 4,954 held after · footnotes F1, F9 and F17
- Line 21
- S (sale) · 3,360 Class A Common Stock at $73.6678 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 1,594 held after · footnotes F1, F11 and F17
- Line 22
- S (sale) · 950 Class A Common Stock at $74.3737 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 644 held after · footnotes F1, F12 and F17
- Line 23
- S (sale) · 168 Class A Common Stock at $75.5939 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 476 held after · footnotes F1, F13 and F17
- Line 24
- S (sale) · 125 Class A Common Stock at $76.5765 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 351 held after · footnotes F1, F14 and F17
- Line 25
- S (sale) · 165 Class A Common Stock at $78.2982 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 186 held after · footnotes F1, F15 and F17
- Line 26
- S (sale) · 186 Class A Common Stock at $79.3809 · Dec 15, 2025 · disposed, indirectly, Canis Minor 2025 GRAT · 0 held after · footnotes F1, F16 and F17
- Footnote F1
- 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 F2
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.19 to $73.01, inclusive.
- Footnote F3
- The reported securities are directly held by the Canis Major 2025 Family Trust LLC, of which the reporting person serves as manager.
- Footnote F4
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.20 to $74.16, 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 $74.30 to $74.94, 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 $75.97 to $76.74, 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 $78.65 to $79.06, inclusive.
- Footnote F8
- The reported securities are directly held by the Canis Minor 2025 Family Trust LLC, of which the reporting person serves as manager.
- Footnote F9
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.08 to $73.07, inclusive.
- Footnote F10
- The reported securities are directly held by the Canis Major 2025 GRAT, of which the reporting person is the sole trustee and beneficiary.
- Footnote F11
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.08 to $74.07, inclusive.
- Footnote F12
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.08 to $75.03, inclusive.
- Footnote F13
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.08 to $76.06, inclusive.
- Footnote F14
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.10 to $77.07, inclusive.
- Footnote F15
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.02 to $78.80, inclusive.
- Footnote F16
- The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.11 to $79.69, inclusive.
- Footnote F17
- 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.
- Remarks
- This Form 4 is Part 2 of 3 for this reporting person. Transactions by the reporting person reported on Table I are continued on Part 3.
Insider purchases and sales of CoreWeave shares, since Aug 29, 2025
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