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FilingsForm 4

Magnetar funds sold 18,371 CoreWeave shares for $2.51 million on Oct 17, 2025

From the public record1 min read

Published Filed
Value$2.51 million, held indirectly
Shares18,371, held indirectly
Average price$136.62
FiledOct 17

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) that lists Magnetar Financial LLC as a reporting owner and an owner of more than 10% of CoreWeave's shares reported the sale of 18,371 shares on Oct 17, 2025, at an average of $136.62 a share, for $2.51 million. The form lists the shares as held indirectly, and its footnotes say they were held directly by funds for which Magnetar Financial served as adviser. The form's Rule 10b5-1 box, which flags trades made under a pre-arranged plan, was not ticked. The filing is on the SEC's EDGAR database and was filed on Oct 17, 2025.12345678910111213

How each figure was checked13 facts
  1. reporting owner as the form names itMagnetar Financial LLCOur database
  2. the owner's relationship to the issuerowner of more than 10% of the sharesOur database
  3. 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
  4. shares sold on the form18,371Our database
  5. day of the tradesOct 17, 2025Our database
  6. average price per share$136.62Our database
  7. value of the sales on the form$2.51 millionOur database
  8. how the sale lines are held6 sale lines held indirectly (Footnotes)Our database
  9. footnote on Magnetar Financial's role toward the Magnetar FundsMagnetar Financial: adviser to the funds this part of the footnote lists; the footnote calls these funds the Magnetar FundsFootnotes of the same Form 4 ↗
  10. footnote F7: who held shares directlyheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the same Form 4 ↗
  11. footnote F8: who held shares directlyheld directly by Purpose Alternative Credit Fund - T LLCFootnotes of the same Form 4 ↗
  12. the Rule 10b5-1 boxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 planOur database
  13. day the form was filedOct 17, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-100522
Filed
Oct 17, 2025
Period of report
Oct 17, 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) · 14,189 Class A Common Stock at $136.39 · Oct 17, 2025 · disposed, indirectly, Footnotes · 3,179,129 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 295 Class A Common Stock at $139.18 · Oct 17, 2025 · disposed, indirectly, Footnotes · 3,178,834 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 708 Class A Common Stock at $140.20 · Oct 17, 2025 · disposed, indirectly, Footnotes · 3,178,126 held after · footnotes F3, F4, F5, F6 and F7
Line 4
S (sale) · 2,975 Class A Common Stock at $136.39 · Oct 17, 2025 · disposed, indirectly, Footnotes · 903,379 held after · footnotes F1, F4, F5, F6 and F8
Line 5
S (sale) · 60 Class A Common Stock at $139.18 · Oct 17, 2025 · disposed, indirectly, Footnotes · 903,319 held after · footnotes F2, F4, F5, F6 and F8
Line 6
S (sale) · 144 Class A Common Stock at $140.20 · Oct 17, 2025 · disposed, indirectly, Footnotes · 903,175 held after · footnotes F3, F4, F5, F6 and F8
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.00 to $136.80, 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 and 3.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.00 to $139.35, 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 $140.00 to $140.50, inclusive.
Footnote F4
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Longhorn Fund LP, 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 administrative 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 Purpose Alternative Credit Fund - F LLC.
Footnote F8
These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Footnote F9
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$3.59 billion sold
Magnetar Financial LLC · sold, held indirectly$2.9 billion
Brannin McBee · sold, held indirectly$186.7 million
Brannin McBee · sold$132.54 million
Brian Venturo · sold, held indirectly$126 million
Jack Cogen · sold, held indirectly$105.3 million
Michael Intrator · sold$34.69 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

Open roles
293 open roles · 5 posted this week · 1 job board
Layoffs, 12 months
No WARN notices in the US states we read

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Sources

  1. SEC EDGAR, Form 4 filed Oct 17, 2025
  2. How we collect our data
CoreWeave

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