FilingsForm 4

Form 4 for Magnetar Financial LLC reported $52.18 million of CoreWeave shares sold on Oct 13, 2025

Value$52.18 million, held indirectly
Shares369,379, held indirectly
Average price$141.27
FiledOct 15

A Form 4 (the form an insider files when trading a company's shares) listing Magnetar Financial LLC first, as an owner of more than 10% of CoreWeave's shares, reported the sale of 369,379 shares on Oct 13, 2025, for $52.18 million at an average of $141.27 a share. The form also named Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman as reporting owners, listed the shares as held indirectly, and said in its footnotes that funds held them directly, among them CW Opportunity 2 LP and CW Opportunity LLC. The source is the Form 4 filed with the SEC on Oct 15, 2025.12345678910111213

How each figure was checked13 facts
  1. the reporting owner the form lists firstMagnetar Financial LLCOur database
  2. the owner's relationship to the companyowner of more than 10% of the sharesOur database
  3. the side of the tradesaleOur database
  4. shares sold369,379Our database
  5. first day of the tradesOct 13, 2025Our database
  6. last day of the tradesOct 13, 2025Our database
  7. value of the sale$52.18 millionOur database
  8. average price per share$141.27Our database
  9. every reporting owner of the formMagnetar Financial LLC (owner of more than 10% of the shares); Magnetar Capital Partners LP (owner of more than 10% of the shares); Supernova Management LLC (owner of more than 10% of the shares); David J. Snyderman (filed as Snyderman David J.; owner of more than 10% of the shares)Our database
  10. how the sold shares are held30 sale lines held indirectly (Footnotes)Our database
  11. a footnote naming a holder of the sharesheld directly by CW Opportunity 2 LPFootnotes of the Form 4 filed Oct 15, 2025 ↗
  12. a second footnote naming a holder of the sharesheld directly by CW Opportunity LLCFootnotes of the Form 4 filed Oct 15, 2025 ↗
  13. the day the form was filedOct 15, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-099815
Filed
Oct 15, 2025
Period of report
Oct 13, 2025
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) · 7,141 Class A Common Stock at $140.14 · Oct 13, 2025 · disposed, indirectly, Footnotes · 6,018,649 held after · footnotes F1, F6, F7, F8 and F9
Line 2
S (sale) · 17,498 Class A Common Stock at $141.49 · Oct 13, 2025 · disposed, indirectly, Footnotes · 6,001,151 held after · footnotes F2, F6, F7, F8 and F9
Line 3
S (sale) · 2,463 Class A Common Stock at $143.18 · Oct 13, 2025 · disposed, indirectly, Footnotes · 5,998,688 held after · footnotes F3, F6, F7, F8 and F9
Line 4
S (sale) · 27,100 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 24,239,829 held after · footnotes F4, F6, F7, F8 and F10
Line 5
S (sale) · 75,022 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 24,164,807 held after · footnotes F2, F6, F7, F8 and F10
Line 6
S (sale) · 6,680 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 24,158,127 held after · footnotes F5, F6, F7, F8 and F10
Line 7
S (sale) · 13,628 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 2,728,788 held after · footnotes F4, F6, F7, F8 and F11
Line 8
S (sale) · 37,731 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 2,691,057 held after · footnotes F2, F6, F7, F8 and F11
Line 9
S (sale) · 3,347 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 2,687,710 held after · footnotes F5, F6, F7, F8 and F11
Line 10
S (sale) · 3,555 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 1,842,028 held after · footnotes F4, F6, F7, F8 and F12
Line 11
S (sale) · 9,840 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 1,832,188 held after · footnotes F2, F6, F7, F8 and F12
Line 12
S (sale) · 874 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 1,831,314 held after · footnotes F5, F6, F7, F8 and F12
Line 13
S (sale) · 368 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 328,564 held after · footnotes F4, F6, F7, F8 and F13
Line 14
S (sale) · 1,020 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 327,544 held after · footnotes F2, F6, F7, F8 and F13
Line 15
S (sale) · 84 Class A Common Stock at $143.28 · Oct 13, 2025 · disposed, indirectly, Footnotes · 327,460 held after · footnotes F5, F6, F7, F8 and F13
Line 16
S (sale) · 7,922 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 5,626,741 held after · footnotes F4, F6, F7, F8 and F14
Line 17
S (sale) · 21,930 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 5,604,811 held after · footnotes F2, F6, F7, F8 and F14
Line 18
S (sale) · 1,937 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 5,602,874 held after · footnotes F5, F6, F7, F8 and F14
Line 19
S (sale) · 10,876 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 7,055,663 held after · footnotes F4, F6, F7, F8 and F15
Line 20
S (sale) · 30,106 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 7,025,557 held after · footnotes F2, F6, F7, F8 and F15
Line 21
S (sale) · 2,665 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 7,022,892 held after · footnotes F5, F6, F7, F8 and F15
Line 22
S (sale) · 3,079 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 1,418,593 held after · footnotes F4, F6, F7, F8 and F16
Line 23
S (sale) · 8,526 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 1,410,067 held after · footnotes F2, F6, F7, F8 and F16
Line 24
S (sale) · 762 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 1,409,305 held after · footnotes F5, F6, F7, F8 and F16
Line 25
S (sale) · 11,597 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 9,462,292 held after · footnotes F4, F6, F7, F8 and F17
Line 26
S (sale) · 32,099 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 9,430,193 held after · footnotes F2, F6, F7, F8 and F17
Line 27
S (sale) · 2,850 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 9,427,343 held after · footnotes F5, F6, F7, F8 and F17
Line 28
S (sale) · 7,146 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 3,719,343 held after · footnotes F4, F6, F7, F8 and F18
Line 29
S (sale) · 19,783 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 3,699,560 held after · footnotes F2, F6, F7, F8 and F18
Line 30
S (sale) · 1,750 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 3,697,810 held after · footnotes F5, F6, F7, F8 and F18
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.00 to $140.45, 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 and 5.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $141.00 to $141.66, 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 $143.00 to $143.50, 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 $140.00 to $140.25, 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 $143.00 to $143.42, inclusive.
Footnote F6
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
Footnote F7
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 F8
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 F9
These securities are held directly by CW Opportunity 2 LP.
Footnote F10
These securities are held directly by CW Opportunity LLC.
Footnote F11
These securities are held directly by Longhorn Special Opportunities Fund LP.
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.
Footnote F16
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F17
These securities are held directly by Magnetar Structured Credit Fund, LP.
Footnote F18
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Open the source ↗

Insider purchases and sales of CoreWeave shares, since Aug 29, 2025

Total$3.08 billion sold
Magnetar Financial LLC · sold, held indirectly$2.42 billion
Brannin McBee · sold, held indirectly$186.7 million
Brannin McBee · sold$132.54 million
Jack Cogen · sold, held indirectly$105.3 million
Brian Venturo · sold, held indirectly$104.61 million
Michael Intrator · sold$34.69 million
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About CoreWeave

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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

Source: SEC EDGAR XBRL financial data · filed Aug 12, 2026

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Sources

  1. SEC EDGAR, Form 4 filed Oct 15, 2025
  2. How we collect our data

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