FilingsForm 4
Funds tied to Magnetar Financial sold $44.61 million of CoreWeave stock on May 5, 2026
Value$44.61 million, held indirectly
Shares349,437, held indirectly
Average price$127.68
FiledMay 6
Funds tied to Magnetar Financial sold 349,437 CoreWeave shares for $44.61 million on May 5, 2026, at an average of $127.68 a share. The Form 4, the form insiders and large shareholders file when they trade a company's shares, lists Magnetar Financial as an owner of more than 10% of the shares and reports the shares sold as held indirectly, with footnotes naming the funds that hold them directly. The form's Rule 10b5-1 box, which flags trades made under a pre-set trading plan, was not ticked. The Form 4 was filed on May 6, 2026, 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
- side of the Form 4sale
- shares of the Form 4349,437
- value of the Form 4$44.61 million
- average price of the Form 4$127.68
- first date of the Form 4May 5, 2026
- last date of the Form 4May 5, 2026
- owner of the Form 4Magnetar Financial LLC
- the footnote that says Magnetar Financial is the investment adviser, general partner or manager of the fundsFootnotes of the Form 4 filed May 6, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 6, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 6, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 6, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 6, 2026 ↗
- relationship of the Form 4owner of more than 10% of the shares
- holding of the Form 416 sale lines held indirectly (Footnotes)
- rule 10b5 1 of the Form 4not ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 plan
- filed on of the Form 4May 6, 2026
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-26-056510
- Filed
- May 6, 2026
- Period of report
- May 5, 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) · 6,883 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 7,414,202 held after · footnotes F1, F5, F6, F7 and F8
- Line 2
- S (sale) · 122,950 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 7,291,252 held after · footnotes F2, F5, F6, F7 and F8
- Line 3
- S (sale) · 13,676 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 7,277,576 held after · footnotes F3, F5, F6, F7 and F8
- Line 4
- S (sale) · 14,120 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 7,263,456 held after · footnotes F4, F5, F6, F7 and F8
- Line 5
- S (sale) · 4,239 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 2,346,641 held after · footnotes F1, F5, F6, F7 and F9
- Line 6
- S (sale) · 75,776 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 2,270,865 held after · footnotes F2, F5, F6, F7 and F9
- Line 7
- S (sale) · 8,431 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 2,262,434 held after · footnotes F3, F5, F6, F7 and F9
- Line 8
- S (sale) · 8,704 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 2,253,730 held after · footnotes F4, F5, F6, F7 and F9
- Line 9
- S (sale) · 3,417 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 2,342,442 held after · footnotes F1, F5, F6, F7 and F10
- Line 10
- S (sale) · 61,040 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 2,281,402 held after · footnotes F2, F5, F6, F7 and F10
- Line 11
- S (sale) · 6,790 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 2,274,612 held after · footnotes F3, F5, F6, F7 and F10
- Line 12
- S (sale) · 7,011 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 2,267,601 held after · footnotes F4, F5, F6, F7 and F10
- Line 13
- S (sale) · 715 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 725,568 held after · footnotes F1, F5, F6, F7 and F11
- Line 14
- S (sale) · 12,791 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 712,777 held after · footnotes F2, F5, F6, F7 and F11
- Line 15
- S (sale) · 1,424 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 711,353 held after · footnotes F3, F5, F6, F7 and F11
- Line 16
- S (sale) · 1,470 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 709,883 held after · footnotes F4, F5, F6, F7 and F11
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $126.00 to $126.55, 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 and in footnotes 2, 3, and 4.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $127.00 to $127.95, inclusive.
- Footnote F3
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $128.00 to $128.90, inclusive.
- Footnote F4
- 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 $129.51, inclusive.
- Footnote F5
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each 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 and the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (collectively, the "Magnetar Funds").
- Footnote F6
- 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 F7
- 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 F8
- These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities.
- Footnote F9
- These securities are held directly by Magnetar Xing He Master Fund Ltd.
- Footnote F10
- These securities are held directly by Purpose Alternative Credit Fund - F LLC.
- Footnote F11
- These securities are held directly by Purpose Alternative Credit Fund - T LLC.
- Footnote F12
- These securities are held directly by Longhorn Special Opportunities Fund LP.
- Footnote F13
- These securities are held directly by Magnetar SC 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
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- Layoffs, 12 months
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