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FilingsForm 4

Form 4 for Magnetar Financial LLC reported $52.61 million of CoreWeave shares sold on Oct 9, 2025

From the public record1 min read

Published Filed
Value$52.61 million, held indirectly
Shares372,706, held indirectly
Average price$141.16
FiledOct 10

Written by Claude Sonnet 5.5, an AI model, from public records. Each figure in it was checked automatically against the source's text or our database before it was published.

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 372,706 shares on Oct 9, 2025, for $52.61 million at an average of $141.16 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 Magnetar SC Fund Ltd and Magnetar Structured Credit Fund, LP. The source is the Form 4 filed with the SEC on Oct 10, 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 sold372,706Our database
  5. first day of the tradesOct 9, 2025Our database
  6. last day of the tradesOct 9, 2025Our database
  7. value of the sale$52.61 millionOur database
  8. average price per share$141.16Our 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 held20 sale lines held indirectly (Footnotes)Our database
  11. a footnote naming a holder of the sharesheld directly by Magnetar SC Fund LtdFootnotes of the Form 4 filed Oct 10, 2025 ↗
  12. a second footnote naming a holder of the sharesheld directly by Magnetar Structured Credit Fund, LPFootnotes of the Form 4 filed Oct 10, 2025 ↗
  13. the day the form was filedOct 10, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-098835
Filed
Oct 10, 2025
Period of report
Oct 9, 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) · 1,621 Class A Common Stock at $139.48 · Oct 9, 2025 · disposed, indirectly, Footnotes · 1,484,878 held after · footnotes F1, F5, F6, F7 and F8
Line 2
S (sale) · 29,330 Class A Common Stock at $140.91 · Oct 9, 2025 · disposed, indirectly, Footnotes · 1,455,548 held after · footnotes F2, F5, F6, F7 and F8
Line 3
S (sale) · 3,920 Class A Common Stock at $141.52 · Oct 9, 2025 · disposed, indirectly, Footnotes · 1,451,628 held after · footnotes F3, F5, F6, F7 and F8
Line 4
S (sale) · 5,014 Class A Common Stock at $142.89 · Oct 9, 2025 · disposed, indirectly, Footnotes · 1,446,614 held after · footnotes F4, F5, F6, F7 and F8
Line 5
S (sale) · 6,100 Class A Common Stock at $139.48 · Oct 9, 2025 · disposed, indirectly, Footnotes · 9,711,858 held after · footnotes F1, F5, F6, F7 and F9
Line 6
S (sale) · 110,413 Class A Common Stock at $140.91 · Oct 9, 2025 · disposed, indirectly, Footnotes · 9,601,445 held after · footnotes F2, F5, F6, F7 and F9
Line 7
S (sale) · 14,760 Class A Common Stock at $141.52 · Oct 9, 2025 · disposed, indirectly, Footnotes · 9,586,685 held after · footnotes F3, F5, F6, F7 and F9
Line 8
S (sale) · 18,876 Class A Common Stock at $142.89 · Oct 9, 2025 · disposed, indirectly, Footnotes · 9,567,809 held after · footnotes F4, F5, F6, F7 and F9
Line 9
S (sale) · 3,759 Class A Common Stock at $139.48 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,873,153 held after · footnotes F1, F5, F6, F7 and F10
Line 10
S (sale) · 68,045 Class A Common Stock at $140.91 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,805,108 held after · footnotes F2, F5, F6, F7 and F10
Line 11
S (sale) · 9,097 Class A Common Stock at $141.52 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,796,011 held after · footnotes F3, F5, F6, F7 and F10
Line 12
S (sale) · 11,633 Class A Common Stock at $142.89 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,784,378 held after · footnotes F4, F5, F6, F7 and F10
Line 13
S (sale) · 3,024 Class A Common Stock at $139.48 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,520,772 held after · footnotes F1, F5, F6, F7 and F11
Line 14
S (sale) · 54,794 Class A Common Stock at $140.91 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,465,978 held after · footnotes F2, F5, F6, F7 and F11
Line 15
S (sale) · 7,328 Class A Common Stock at $141.52 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,458,650 held after · footnotes F3, F5, F6, F7 and F11
Line 16
S (sale) · 9,372 Class A Common Stock at $142.89 · Oct 9, 2025 · disposed, indirectly, Footnotes · 3,449,278 held after · footnotes F4, F5, F6, F7 and F11
Line 17
S (sale) · 635 Class A Common Stock at $139.48 · Oct 9, 2025 · disposed, indirectly, Footnotes · 974,961 held after · footnotes F1, F5, F6, F7 and F12
Line 18
S (sale) · 11,486 Class A Common Stock at $140.91 · Oct 9, 2025 · disposed, indirectly, Footnotes · 963,475 held after · footnotes F2, F5, F6, F7 and F12
Line 19
S (sale) · 1,535 Class A Common Stock at $141.52 · Oct 9, 2025 · disposed, indirectly, Footnotes · 961,940 held after · footnotes F3, F5, F6, F7 and F12
Line 20
S (sale) · 1,964 Class A Common Stock at $142.89 · Oct 9, 2025 · disposed, indirectly, Footnotes · 959,976 held after · footnotes F4, F5, F6, F7 and F12
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.15 to $140.00, 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 $140.15 to $141.04, 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 $141.17 to $142.00, 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 $142.50 to $143.13, inclusive.
Footnote F5
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Longhorn 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 (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 SC Fund Ltd.
Footnote F9
These securities are held directly by Magnetar Structured Credit Fund, LP.
Footnote F10
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Footnote F11
These securities are held directly by Purpose Alternative Credit Fund - F LLC.
Footnote F12
These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Footnote F13
These securities are held directly by Magnetar Longhorn Fund LP.
Open the source ↗

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

Total$2.96 billion sold
Magnetar Financial LLC · sold, held indirectly$2.3 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
New to this? Learn it in 4 minReading a Form 4

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

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

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Sources

  1. SEC EDGAR, Form 4 filed Oct 10, 2025
  2. How we collect our data
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