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FilingsForm 4

Form 4 for Magnetar Financial LLC reported $26.81 million of CoreWeave shares sold on Oct 10, 2025

From the public record1 min read

Published Filed
Value$26.81 million, held indirectly
Shares180,166, held indirectly
Average price$148.80
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 180,166 shares on Oct 10, 2025, for $26.81 million at an average of $148.80 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 Capital Master Fund, Ltd and Magnetar Constellation Master Fund, Ltd. 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 sold180,166Our database
  5. first day of the tradesOct 10, 2025Our database
  6. last day of the tradesOct 10, 2025Our database
  7. value of the sale$26.81 millionOur database
  8. average price per share$148.8Our 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 held28 sale lines held indirectly (Footnotes)Our database
  11. a footnote naming a holder of the sharesheld directly by Magnetar Capital Master Fund, LtdFootnotes of the Form 4 filed Oct 10, 2025 ↗
  12. a second footnote naming a holder of the sharesheld directly by Magnetar Constellation Master Fund, LtdFootnotes 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
0001104659-25-098839
Filed
Oct 10, 2025
Period of report
Oct 10, 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) · 44 Class A Common Stock at $144.58 · Oct 10, 2025 · disposed, indirectly, Footnotes · 331,864 held after · footnotes F1, F7, F8, F9 and F10
Line 2
S (sale) · 24 Class A Common Stock at $145.87 · Oct 10, 2025 · disposed, indirectly, Footnotes · 331,840 held after · footnotes F2, F7, F8, F9 and F10
Line 3
S (sale) · 30 Class A Common Stock at $146.65 · Oct 10, 2025 · disposed, indirectly, Footnotes · 331,810 held after · footnotes F3, F7, F8, F9 and F10
Line 4
S (sale) · 4 Class A Common Stock at $147.40 · Oct 10, 2025 · disposed, indirectly, Footnotes · 331,806 held after · footnotes F7, F8, F9 and F10
Line 5
S (sale) · 2,350 Class A Common Stock at $148.50 · Oct 10, 2025 · disposed, indirectly, Footnotes · 329,456 held after · footnotes F4, F7, F8, F9 and F10
Line 6
S (sale) · 300 Class A Common Stock at $150.36 · Oct 10, 2025 · disposed, indirectly, Footnotes · 329,156 held after · footnotes F5, F7, F8, F9 and F10
Line 7
S (sale) · 224 Class A Common Stock at $151.31 · Oct 10, 2025 · disposed, indirectly, Footnotes · 328,932 held after · footnotes F6, F7, F8, F9 and F10
Line 8
S (sale) · 1,038 Class A Common Stock at $144.55 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,697,789 held after · footnotes F1, F7, F8, F9 and F11
Line 9
S (sale) · 486 Class A Common Stock at $145.87 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,697,303 held after · footnotes F2, F7, F8, F9 and F11
Line 10
S (sale) · 646 Class A Common Stock at $146.65 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,696,657 held after · footnotes F3, F7, F8, F9 and F11
Line 11
S (sale) · 81 Class A Common Stock at $147.40 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,696,576 held after · footnotes F7, F8, F9 and F11
Line 12
S (sale) · 50,619 Class A Common Stock at $148.50 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,645,957 held after · footnotes F4, F7, F8, F9 and F11
Line 13
S (sale) · 6,454 Class A Common Stock at $150.36 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,639,503 held after · footnotes F5, F7, F8, F9 and F11
Line 14
S (sale) · 4,840 Class A Common Stock at $151.31 · Oct 10, 2025 · disposed, indirectly, Footnotes · 5,634,663 held after · footnotes F6, F7, F8, F9 and F11
Line 15
S (sale) · 1,424 Class A Common Stock at $144.55 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,153,199 held after · footnotes F1, F7, F8, F9 and F12
Line 16
S (sale) · 666 Class A Common Stock at $145.87 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,152,533 held after · footnotes F2, F7, F8, F9 and F12
Line 17
S (sale) · 886 Class A Common Stock at $146.65 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,151,647 held after · footnotes F3, F7, F8, F9 and F12
Line 18
S (sale) · 111 Class A Common Stock at $147.40 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,151,536 held after · footnotes F7, F8, F9 and F12
Line 19
S (sale) · 69,493 Class A Common Stock at $148.50 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,082,043 held after · footnotes F4, F7, F8, F9 and F12
Line 20
S (sale) · 8,860 Class A Common Stock at $150.36 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,073,183 held after · footnotes F5, F7, F8, F9 and F12
Line 21
S (sale) · 6,644 Class A Common Stock at $151.31 · Oct 10, 2025 · disposed, indirectly, Footnotes · 7,066,539 held after · footnotes F6, F7, F8, F9 and F12
Line 22
S (sale) · 403 Class A Common Stock at $144.55 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,446,211 held after · footnotes F1, F7, F8, F9 and F13
Line 23
S (sale) · 186 Class A Common Stock at $145.87 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,446,025 held after · footnotes F2, F7, F8, F9 and F13
Line 24
S (sale) · 250 Class A Common Stock at $146.65 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,445,775 held after · footnotes F3, F7, F8, F9 and F13
Line 25
S (sale) · 31 Class A Common Stock at $147.40 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,445,744 held after · footnotes F7, F8, F9 and F13
Line 26
S (sale) · 19,681 Class A Common Stock at $148.50 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,426,063 held after · footnotes F4, F7, F8, F9 and F13
Line 27
S (sale) · 2,509 Class A Common Stock at $150.36 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,423,554 held after · footnotes F5, F7, F8, F9 and F13
Line 28
S (sale) · 1,882 Class A Common Stock at $151.31 · Oct 10, 2025 · disposed, indirectly, Footnotes · 1,421,672 held after · footnotes F6, F7, F8, F9 and F13
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $144.22 to $144.96, 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 $145.35 to $146.30, 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 $146.39 to $146.85, 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 $148.41 to $149.40, 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 $149.82 to $150.60, 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 $151.30 to $151.35, inclusive.
Footnote F7
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd and Magnetar SC Fund Ltd, and the manager of 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 Magnetar Capital Master Fund, Ltd.
Footnote F11
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F12
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F13
These securities are held directly by Magnetar SC Fund Ltd.
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
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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 10, 2025
  2. How we collect our data
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