Postgame
FilingsForm 4

Form 4 for Magnetar Financial LLC reported $3.95 million of CoreWeave shares sold on Oct 13, 2025

From the public record1 min read

Published Filed
Value$3.95 million, held indirectly
Shares27,945, held indirectly
Average price$141.27
FiledOct 15

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 27,945 shares on Oct 13, 2025, for $3.95 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 Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T 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 sold27,945Our database
  5. first day of the tradesOct 13, 2025Our database
  6. last day of the tradesOct 13, 2025Our database
  7. value of the sale$3.95 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 held6 sale lines held indirectly (Footnotes)Our database
  11. a footnote naming a holder of the sharesheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the Form 4 filed Oct 15, 2025 ↗
  12. a second footnote naming a holder of the sharesheld directly by Purpose Alternative Credit Fund - T LLCFootnotes of the Form 4 filed Oct 15, 2025 ↗
  13. the day the form was filedOct 15, 2025Our database

Sign in to keep your place.

The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-099816
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) · 5,757 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 3,396,888 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 15,938 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 3,380,950 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 1,405 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 3,379,545 held after · footnotes F3, F4, F5, F6 and F7
Line 4
S (sale) · 1,206 Class A Common Stock at $140.15 · Oct 13, 2025 · disposed, indirectly, Footnotes · 949,005 held after · footnotes F1, F4, F5, F6 and F8
Line 5
S (sale) · 3,339 Class A Common Stock at $141.50 · Oct 13, 2025 · disposed, indirectly, Footnotes · 945,666 held after · footnotes F2, F4, F5, F6 and F8
Line 6
S (sale) · 300 Class A Common Stock at $143.26 · Oct 13, 2025 · disposed, indirectly, Footnotes · 945,366 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 $140.00 to $140.25, 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 $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 $143.42, 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$3.08 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
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

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

More on CoreWeave

Sources

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

Keep reading