Postgame
FilingsForm 4

149,524 CoreWeave shares sold for $20.66 million on Oct 2, 2025, Magnetar Financial LLC reported

From the public record1 min read

Published Filed
Value$20.66 million, held indirectly
Shares149,524, held indirectly
Average price$138.20
FiledOct 2

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.

In a Form 4, the form an insider files when trading a company's shares, Magnetar Financial LLC, an owner of more than 10% of CoreWeave's shares, reported the sale of 149,524 shares on Oct 2, 2025 at an average price of $138.20, for $20.66 million in all. The form lists the shares as held indirectly: its footnotes name Magnetar funds as their direct holders and describe Magnetar Financial as the investment adviser to those funds. The form, filed with the SEC on Oct 2, 2025, can be read on the agency's EDGAR site.1234567891011121314

How each figure was checked14 facts
  1. the reporting owner as the form names itMagnetar 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 sold149,524Our database
  5. average price per share$138.2Our database
  6. value of the sale$20.66 millionOur database
  7. the day of the saleOct 2, 2025Our database
  8. how the shares were held9 sale lines held indirectly (Footnotes)Our database
  9. footnote naming a direct holder of the sharesheld directly by Magnetar Xing He Master Fund LtdFootnotes of the Form 4 filed Oct 2, 2025 ↗
  10. footnote naming a direct holder of the sharesheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the Form 4 filed Oct 2, 2025 ↗
  11. footnote naming a direct holder of the sharesheld directly by Purpose Alternative Credit Fund - T LLCFootnotes of the Form 4 filed Oct 2, 2025 ↗
  12. footnote on Magnetar Financial and the fundsinvestment adviser to the fundsFootnotes of the Form 4 filed Oct 2, 2025 ↗
  13. footnote defining the funds it names as the Magnetar Fundsthe funds the footnote names are collectively the Magnetar FundsFootnotes of the Form 4 filed Oct 2, 2025 ↗
  14. the day the form was filedOct 2, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-096294
Filed
Oct 2, 2025
Period of report
Oct 2, 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) · 63,869 Class A Common Stock at $138.03 · Oct 2, 2025 · disposed, indirectly, Footnotes · 4,067,797 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 7,496 Class A Common Stock at $138.33 · Oct 2, 2025 · disposed, indirectly, Footnotes · 4,060,301 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 4,366 Class A Common Stock at $140.53 · Oct 2, 2025 · disposed, indirectly, Footnotes · 4,055,935 held after · footnotes F3, F4, F5, F6 and F7
Line 4
S (sale) · 51,455 Class A Common Stock at $138.03 · Oct 2, 2025 · disposed, indirectly, Footnotes · 3,677,574 held after · footnotes F1, F4, F5, F6 and F8
Line 5
S (sale) · 6,039 Class A Common Stock at $138.33 · Oct 2, 2025 · disposed, indirectly, Footnotes · 3,671,535 held after · footnotes F2, F4, F5, F6 and F8
Line 6
S (sale) · 3,518 Class A Common Stock at $140.53 · Oct 2, 2025 · disposed, indirectly, Footnotes · 3,668,017 held after · footnotes F3, F4, F5, F6 and F8
Line 7
S (sale) · 10,780 Class A Common Stock at $138.03 · Oct 2, 2025 · disposed, indirectly, Footnotes · 1,007,812 held after · footnotes F1, F4, F5, F6 and F9
Line 8
S (sale) · 1,265 Class A Common Stock at $138.33 · Oct 2, 2025 · disposed, indirectly, Footnotes · 1,006,547 held after · footnotes F2, F4, F5, F6 and F9
Line 9
S (sale) · 736 Class A Common Stock at $140.53 · Oct 2, 2025 · disposed, indirectly, Footnotes · 1,005,811 held after · footnotes F3, F4, F5, F6 and F9
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.20 to $138.17, 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.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.20 to $138.50, 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 $140.42 to $141.11, inclusive.
Footnote F4
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Longhorn Fund LP, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC (collectively, the "Magnetar Funds").
Footnote F5
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 manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.
Footnote F6
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 F7
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Footnote F8
These securities are held directly by Purpose Alternative Credit Fund - F LLC.
Footnote F9
These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Footnote F10
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$2.31 billion sold
Magnetar Financial LLC · sold, held indirectly$1.71 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$62.48 million
Kristen McVeety · sold$29.68 million
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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

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

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Sources

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