FilingsForm 4
Funds tied to Magnetar Financial sold $124.96 million of CoreWeave stock on May 5, 2026
Value$124.96 million, held indirectly
Shares978,764, held indirectly
Average price$127.68
FiledMay 6
Funds tied to Magnetar Financial sold 978,764 CoreWeave shares for $124.96 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.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
How each figure was checked
- side of the Form 4sale
- shares of the Form 4978,764
- value of the Form 4$124.96 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 funds2Footnotes of the Form 4 filed May 6, 2026 ↗
- the footnote that names the fund holding these shares directly2Footnotes 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 ↗
- 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 428 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
- 0001104659-26-056509
- 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) · 5,079 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 4,516,355 held after · footnotes F1, F5, F6, F7 and F8
- Line 2
- S (sale) · 90,629 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 4,425,726 held after · footnotes F2, F5, F6, F7 and F8
- Line 3
- S (sale) · 10,083 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 4,415,643 held after · footnotes F3, F5, F6, F7 and F8
- Line 4
- S (sale) · 10,410 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 4,405,233 held after · footnotes F4, F5, F6, F7 and F8
- Line 5
- S (sale) · 16,086 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 19,033,681 held after · footnotes F1, F5, F6, F7 and F9
- Line 6
- S (sale) · 287,380 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 18,746,301 held after · footnotes F2, F5, F6, F7 and F9
- Line 7
- S (sale) · 31,961 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 18,714,340 held after · footnotes F3, F5, F6, F7 and F9
- Line 8
- S (sale) · 33,001 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 18,681,339 held after · footnotes F4, F5, F6, F7 and F9
- Line 9
- S (sale) · 2,112 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 1,159,455 held after · footnotes F1, F5, F6, F7 and F10
- Line 10
- S (sale) · 37,678 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 1,121,777 held after · footnotes F2, F5, F6, F7 and F10
- Line 11
- S (sale) · 4,191 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 1,117,586 held after · footnotes F3, F5, F6, F7 and F10
- Line 12
- S (sale) · 4,327 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 1,113,259 held after · footnotes F4, F5, F6, F7 and F10
- Line 13
- S (sale) · 222 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 257,944 held after · footnotes F1, F5, F6, F7 and F11
- Line 14
- S (sale) · 3,896 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 254,048 held after · footnotes F2, F5, F6, F7 and F11
- Line 15
- S (sale) · 433 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 253,615 held after · footnotes F3, F5, F6, F7 and F11
- Line 16
- S (sale) · 448 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 253,167 held after · footnotes F4, F5, F6, F7 and F11
- Line 17
- S (sale) · 4,703 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 4,105,182 held after · footnotes F1, F5, F6, F7 and F12
- Line 18
- S (sale) · 83,991 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 4,021,191 held after · footnotes F2, F5, F6, F7 and F12
- Line 19
- S (sale) · 9,343 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 4,011,848 held after · footnotes F3, F5, F6, F7 and F12
- Line 20
- S (sale) · 9,646 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 4,002,202 held after · footnotes F4, F5, F6, F7 and F12
- Line 21
- S (sale) · 6,457 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 5,086,408 held after · footnotes F1, F5, F6, F7 and F13
- Line 22
- S (sale) · 115,312 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 4,971,096 held after · footnotes F2, F5, F6, F7 and F13
- Line 23
- S (sale) · 12,829 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 4,958,267 held after · footnotes F3, F5, F6, F7 and F13
- Line 24
- S (sale) · 13,244 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 4,945,023 held after · footnotes F4, F5, F6, F7 and F13
- Line 25
- S (sale) · 8,087 Class A Common Stock at $126.29 · May 5, 2026 · disposed, indirectly, Footnotes · 7,355,988 held after · footnotes F1, F5, F6, F7 and F14
- Line 26
- S (sale) · 144,539 Class A Common Stock at $127.49 · May 5, 2026 · disposed, indirectly, Footnotes · 7,211,449 held after · footnotes F2, F5, F6, F7 and F14
- Line 27
- S (sale) · 16,078 Class A Common Stock at $128.56 · May 5, 2026 · disposed, indirectly, Footnotes · 7,195,371 held after · footnotes F3, F5, F6, F7 and F14
- Line 28
- S (sale) · 16,599 Class A Common Stock at $129.11 · May 5, 2026 · disposed, indirectly, Footnotes · 7,178,772 held after · footnotes F4, F5, F6, F7 and F14
- 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 of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, and Magnetar Longhorn Fund LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (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 CW Opportunity 2 LP.
- Footnote F9
- These securities are held directly by CW Opportunity LLC.
- Footnote F10
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F11
- These securities are held directly by Magnetar Capital Master Fund, Ltd.
- Footnote F12
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F13
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F14
- These securities are held directly by Magnetar Longhorn Fund LP.
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
- No WARN notices in the US states we read
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