FilingsForm 4
Funds tied to Magnetar Financial sold $20.68 million of CoreWeave shares on May 7, 2026
Value$20.68 million, held indirectly
Shares159,168, held indirectly
Average price$129.91
FiledMay 8
Funds tied to Magnetar Financial LLC sold 159,168 CoreWeave shares on May 7, 2026, at an average of $129.91 a share, for $20.68 million. The Form 4, the form an insider files after trading the company's shares, lists Magnetar Financial as an owner of more than 10% of CoreWeave's shares, and its footnotes name Magnetar Financial as investment adviser to, or general partner of, the funds that held the shares sold. The form is on the SEC's EDGAR database, filed May 8, 2026.1,2,3,4,5,6,7,8,9,10,11,12,13
How each figure was checked
- CoreWeave Form 4 0001104659-26-058117: ownerMagnetar Financial LLC
- CoreWeave Form 4 0001104659-26-058117: sidesale
- CoreWeave Form 4 0001104659-26-058117: shares159,168
- CoreWeave Form 4 0001104659-26-058117: average price$129.91
- CoreWeave Form 4 0001104659-26-058117: value$20.68 million
- CoreWeave Form 4 0001104659-26-058117: first dateMay 7, 2026
- Footnote of the Form 4 naming Magnetar Financial as investment adviser to fundsMagnetar Financial LLCSEC EDGAR, footnotes of the Form 4 ↗
- CoreWeave Form 4 0001104659-26-058117: relationshipowner of more than 10% of the shares
- Footnote of the Form 4 naming Magnetar Financial as general partner and manager of fundsMagnetar Financial LLCSEC EDGAR, footnotes of the Form 4 ↗
- Footnote F5: the securities of the lines it is attached to are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore FundMagnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore FundSEC EDGAR, footnotes of the Form 4 ↗
- Footnote F6: the securities of the lines it is attached to are held directly by Purpose Alternative Credit Fund - F LLCPurpose Alternative Credit Fund - F LLCSEC EDGAR, footnotes of the Form 4 ↗
- Footnote F7: the securities of the lines it is attached to are held directly by Purpose Alternative Credit Fund - T LLCPurpose Alternative Credit Fund - T LLCSEC EDGAR, footnotes of the Form 4 ↗
- CoreWeave Form 4 0001104659-26-058117: filed onMay 8, 2026
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-26-058117
- Filed
- May 8, 2026
- Period of report
- May 7, 2026
- Reporting owner 1
- Magnetar Financial LLC (CIK 1352851)
- Relationship
- owner of more than 10% of the shares
- Reporting owner 2
- Magnetar Capital Partners LP (CIK 1353085)
- Relationship
- owner of more than 10% of the shares
- Reporting owner 3
- Supernova Management LLC (CIK 1368026)
- Relationship
- owner of more than 10% of the shares
- Reporting owner 4
- David J. Snyderman (CIK 1953511, filed as Snyderman David J.)
- Relationship
- owner of more than 10% of the shares
- Rule 10b5-1 checkbox
- Not ticked
- Line 1
- S (sale) · 90,784 Class A Common Stock at $129.73 · May 7, 2026 · disposed, indirectly, Footnotes · 6,931,870 held after · footnotes F1, F2, F3, F4 and F5
- Line 2
- S (sale) · 1,332 Class A Common Stock at $130.00 · May 7, 2026 · disposed, indirectly, Footnotes · 6,930,538 held after · footnotes F2, F3, F4 and F5
- Line 3
- S (sale) · 1,999 Class A Common Stock at $131.00 · May 7, 2026 · disposed, indirectly, Footnotes · 6,928,539 held after · footnotes F2, F3, F4 and F5
- Line 4
- S (sale) · 2,666 Class A Common Stock at $132.00 · May 7, 2026 · disposed, indirectly, Footnotes · 6,925,873 held after · footnotes F2, F3, F4 and F5
- Line 5
- S (sale) · 2,666 Class A Common Stock at $133.00 · May 7, 2026 · disposed, indirectly, Footnotes · 6,923,207 held after · footnotes F2, F3, F4 and F5
- Line 6
- S (sale) · 45,072 Class A Common Stock at $129.73 · May 7, 2026 · disposed, indirectly, Footnotes · 2,102,979 held after · footnotes F1, F2, F3, F4 and F6
- Line 7
- S (sale) · 662 Class A Common Stock at $130.00 · May 7, 2026 · disposed, indirectly, Footnotes · 2,102,317 held after · footnotes F2, F3, F4 and F6
- Line 8
- S (sale) · 993 Class A Common Stock at $131.00 · May 7, 2026 · disposed, indirectly, Footnotes · 2,101,324 held after · footnotes F2, F3, F4 and F6
- Line 9
- S (sale) · 1,324 Class A Common Stock at $132.00 · May 7, 2026 · disposed, indirectly, Footnotes · 2,100,000 held after · footnotes F2, F3, F4 and F6
- Line 10
- S (sale) · 1,324 Class A Common Stock at $133.00 · May 7, 2026 · disposed, indirectly, Footnotes · 2,098,676 held after · footnotes F2, F3, F4 and F6
- Line 11
- S (sale) · 9,444 Class A Common Stock at $129.73 · May 7, 2026 · disposed, indirectly, Footnotes · 675,392 held after · footnotes F1, F2, F3, F4 and F7
- Line 12
- S (sale) · 138 Class A Common Stock at $130.00 · May 7, 2026 · disposed, indirectly, Footnotes · 675,254 held after · footnotes F2, F3, F4 and F7
- Line 13
- S (sale) · 208 Class A Common Stock at $131.00 · May 7, 2026 · disposed, indirectly, Footnotes · 675,046 held after · footnotes F2, F3, F4 and F7
- Line 14
- S (sale) · 278 Class A Common Stock at $132.00 · May 7, 2026 · disposed, indirectly, Footnotes · 674,768 held after · footnotes F2, F3, F4 and F7
- Line 15
- S (sale) · 278 Class A Common Stock at $133.00 · May 7, 2026 · disposed, indirectly, Footnotes · 674,490 held after · footnotes F2, F3, F4 and F7
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $129.00 to $129.75, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
- Footnote F2
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Longhorn Special Opportunities Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC (collectively, the "Magnetar Funds").
- Footnote F3
- Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.
- Footnote F4
- Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein.
- Footnote F5
- These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities.
- Footnote F6
- These securities are held directly by Purpose Alternative Credit Fund - F LLC.
- Footnote F7
- These securities are held directly by Purpose Alternative Credit Fund - T LLC.
- Footnote F8
- These securities are held directly by Longhorn Special Opportunities Fund LP.
- Footnote F9
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F10
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F11
- These securities are held directly by Magnetar Xing He Master Fund Ltd.
Insider purchases and sales of CoreWeave shares, since Aug 29, 2025
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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
- Open roles
- 293 open roles · 5 posted this week · 1 job board
- Layoffs, 12 months
- No WARN notices in the US states we read
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