FilingsForm 4
Funds tied to Magnetar Financial sold $164.44 million of CoreWeave stock on May 6, 2026
Value$164.44 million, held indirectly
Shares1,202,656, held indirectly
Average price$136.73
FiledMay 8
Funds tied to Magnetar Financial sold 1,202,656 CoreWeave shares for $164.44 million on May 6, 2026, at an average of $136.73 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 8, 2026, and is on the SEC's EDGAR database.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
How each figure was checked
- side of the Form 4sale
- shares of the Form 41,202,656
- value of the Form 4$164.44 million
- average price of the Form 4$136.73
- first date of the Form 4May 6, 2026
- last date of the Form 4May 6, 2026
- owner of the Form 4Magnetar Financial LLC
- the footnote that says Magnetar Financial is the investment adviser, general partner or manager of the funds2Footnotes of the Form 4 filed May 8, 2026 ↗
- the footnote that names the fund holding these shares directly2Footnotes of the Form 4 filed May 8, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 8, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 8, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 8, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 8, 2026 ↗
- the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 8, 2026 ↗
- relationship of the Form 4owner of more than 10% of the shares
- holding of the Form 429 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 8, 2026
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-26-058110
- Filed
- May 8, 2026
- Period of report
- May 6, 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) · 30,973 Class A Common Stock at $134.51 · May 6, 2026 · disposed, indirectly, Footnotes · 4,374,260 held after · footnotes F1, F7, F8, F9 and F10
- Line 2
- S (sale) · 3,936 Class A Common Stock at $135.78 · May 6, 2026 · disposed, indirectly, Footnotes · 4,370,324 held after · footnotes F2, F7, F8, F9 and F10
- Line 3
- S (sale) · 87,537 Class A Common Stock at $136.85 · May 6, 2026 · disposed, indirectly, Footnotes · 4,282,787 held after · footnotes F3, F7, F8, F9 and F10
- Line 4
- S (sale) · 54,883 Class A Common Stock at $137.89 · May 6, 2026 · disposed, indirectly, Footnotes · 4,227,904 held after · footnotes F5, F7, F8, F9 and F10
- Line 5
- S (sale) · 161 Class A Common Stock at $138.63 · May 6, 2026 · disposed, indirectly, Footnotes · 4,227,743 held after · footnotes F6, F7, F8, F9 and F10
- Line 6
- S (sale) · 98,279 Class A Common Stock at $134.51 · May 6, 2026 · disposed, indirectly, Footnotes · 18,583,060 held after · footnotes F1, F7, F8, F9 and F11
- Line 7
- S (sale) · 12,482 Class A Common Stock at $135.78 · May 6, 2026 · disposed, indirectly, Footnotes · 18,570,578 held after · footnotes F2, F7, F8, F9 and F11
- Line 8
- S (sale) · 277,563 Class A Common Stock at $136.85 · May 6, 2026 · disposed, indirectly, Footnotes · 18,293,015 held after · footnotes F3, F7, F8, F9 and F11
- Line 9
- S (sale) · 174,066 Class A Common Stock at $137.89 · May 6, 2026 · disposed, indirectly, Footnotes · 18,118,949 held after · footnotes F5, F7, F8, F9 and F11
- Line 10
- S (sale) · 497 Class A Common Stock at $138.63 · May 6, 2026 · disposed, indirectly, Footnotes · 18,118,452 held after · footnotes F6, F7, F8, F9 and F11
- Line 11
- S (sale) · 12,880 Class A Common Stock at $134.51 · May 6, 2026 · disposed, indirectly, Footnotes · 1,100,379 held after · footnotes F1, F7, F8, F9 and F12
- Line 12
- S (sale) · 1,636 Class A Common Stock at $135.78 · May 6, 2026 · disposed, indirectly, Footnotes · 1,098,743 held after · footnotes F2, F7, F8, F9 and F12
- Line 13
- S (sale) · 36,391 Class A Common Stock at $136.85 · May 6, 2026 · disposed, indirectly, Footnotes · 1,062,352 held after · footnotes F3, F7, F8, F9 and F12
- Line 14
- S (sale) · 13,435 Class A Common Stock at $137.86 · May 6, 2026 · disposed, indirectly, Footnotes · 1,048,917 held after · footnotes F4, F7, F8, F9 and F12
- Line 15
- S (sale) · 1,325 Class A Common Stock at $134.51 · May 6, 2026 · disposed, indirectly, Footnotes · 251,842 held after · footnotes F1, F7, F8, F9 and F13
- Line 16
- S (sale) · 169 Class A Common Stock at $135.78 · May 6, 2026 · disposed, indirectly, Footnotes · 251,673 held after · footnotes F2, F7, F8, F9 and F13
- Line 17
- S (sale) · 3,763 Class A Common Stock at $136.85 · May 6, 2026 · disposed, indirectly, Footnotes · 247,910 held after · footnotes F3, F7, F8, F9 and F13
- Line 18
- S (sale) · 2,358 Class A Common Stock at $137.89 · May 6, 2026 · disposed, indirectly, Footnotes · 245,552 held after · footnotes F5, F7, F8, F9 and F13
- Line 19
- S (sale) · 7 Class A Common Stock at $138.63 · May 6, 2026 · disposed, indirectly, Footnotes · 245,545 held after · footnotes F6, F7, F8, F9 and F13
- Line 20
- S (sale) · 28,710 Class A Common Stock at $134.51 · May 6, 2026 · disposed, indirectly, Footnotes · 3,973,492 held after · footnotes F1, F7, F8, F9 and F14
- Line 21
- S (sale) · 3,649 Class A Common Stock at $135.78 · May 6, 2026 · disposed, indirectly, Footnotes · 3,969,843 held after · footnotes F2, F7, F8, F9 and F14
- Line 22
- S (sale) · 81,124 Class A Common Stock at $136.85 · May 6, 2026 · disposed, indirectly, Footnotes · 3,888,719 held after · footnotes F3, F7, F8, F9 and F14
- Line 23
- S (sale) · 50,861 Class A Common Stock at $137.89 · May 6, 2026 · disposed, indirectly, Footnotes · 3,837,858 held after · footnotes F5, F7, F8, F9 and F14
- Line 24
- S (sale) · 146 Class A Common Stock at $138.63 · May 6, 2026 · disposed, indirectly, Footnotes · 3,837,712 held after · footnotes F6, F7, F8, F9 and F14
- Line 25
- S (sale) · 39,413 Class A Common Stock at $134.51 · May 6, 2026 · disposed, indirectly, Footnotes · 4,905,610 held after · footnotes F1, F7, F8, F9 and F15
- Line 26
- S (sale) · 5,009 Class A Common Stock at $135.78 · May 6, 2026 · disposed, indirectly, Footnotes · 4,900,601 held after · footnotes F2, F7, F8, F9 and F15
- Line 27
- S (sale) · 111,373 Class A Common Stock at $136.85 · May 6, 2026 · disposed, indirectly, Footnotes · 4,789,228 held after · footnotes F3, F7, F8, F9 and F15
- Line 28
- S (sale) · 69,830 Class A Common Stock at $137.89 · May 6, 2026 · disposed, indirectly, Footnotes · 4,719,398 held after · footnotes F5, F7, F8, F9 and F15
- Line 29
- S (sale) · 200 Class A Common Stock at $138.63 · May 6, 2026 · disposed, indirectly, Footnotes · 4,719,198 held after · footnotes F6, F7, F8, F9 and F15
- Footnote F1
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $134.38 to $135.30, 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, 4, 5, and 6.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.50 to $136.00, 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 $136.50 to $137.43, 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 $137.50 to $138.05, inclusive.
- Footnote F5
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.50 to $138.10, inclusive.
- Footnote F6
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.50 to $138.68, inclusive.
- Footnote F7
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, and Magnetar Constellation Master Fund, Ltd and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
- Footnote F8
- 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 F9
- 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 F10
- These securities are held directly by CW Opportunity 2 LP.
- Footnote F11
- These securities are held directly by CW Opportunity LLC.
- Footnote F12
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F13
- These securities are held directly by Magnetar Capital Master Fund, Ltd.
- Footnote F14
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F15
- These securities are held directly by Magnetar Lake Credit Fund LLC.
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
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- Layoffs, 12 months
- No WARN notices in the US states we read
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