FilingsForm 4

$25.95 million of CoreWeave shares held by Magnetar funds were sold on Oct 31, 2025

Value$25.95 million, held indirectly
Shares191,331, held indirectly
Average price$135.65
FiledOct 31

A Form 4, the form an insider files when trading the company's shares, showed 191,331 CoreWeave shares sold on Oct 31, 2025, for $25.95 million at an average $135.65 a share. Its footnotes said Magnetar funds held the shares directly, among them Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd and Magnetar Xing He Master Fund Ltd, each advised by Magnetar Financial LLC. The form named Magnetar Financial LLC, an owner of more than 10% of CoreWeave's shares, as its first reporting owner and marked no transaction as made under a Rule 10b5-1 plan, a trading plan set up in advance. The source is the form, filed with the SEC on Oct 31, 2025 and published on the SEC's EDGAR site.1234567891011121314

How each figure was checked14 facts
  1. the side of the tradesaleOur database
  2. the shares of the sale lines191,331Our database
  3. the first trade dateOct 31, 2025Our database
  4. the value of the sale lines$25.95 millionOur database
  5. the average price of the sale lines$135.65Our database
  6. what the form calls the funds it namesMagnetar FundsFootnotes of the Form 4 filed Oct 31, 2025 ↗
  7. the fund that held the shares of some sale lines directlyMagnetar Longhorn Fund LPFootnotes of the Form 4 filed Oct 31, 2025 ↗
  8. the fund that held the shares of some sale lines directlyMagnetar SC Fund LtdFootnotes of the Form 4 filed Oct 31, 2025 ↗
  9. the fund that held the shares of some sale lines directlyMagnetar Xing He Master Fund LtdFootnotes of the Form 4 filed Oct 31, 2025 ↗
  10. Magnetar Financial advises these fundsMagnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund LtdFootnotes of the Form 4 filed Oct 31, 2025 ↗
  11. the first reporting ownerMagnetar Financial LLCOur database
  12. the owner's relationship to the companyowner of more than 10% of the sharesOur database
  13. the Rule 10b5-1 checkboxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 planOur database
  14. the day the form was filedOct 31, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-105079
Filed
Oct 31, 2025
Period of report
Oct 31, 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) · 600 Class A Common Stock at $134.01 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,920,666 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 26,167 Class A Common Stock at $135.10 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,894,499 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 8,723 Class A Common Stock at $136.52 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,885,776 held after · footnotes F4, F5, F6 and F7
Line 4
S (sale) · 3,460 Class A Common Stock at $137.86 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,882,316 held after · footnotes F3, F4, F5, F6 and F7
Line 5
S (sale) · 248 Class A Common Stock at $134.01 · Oct 31, 2025 · disposed, indirectly, Footnotes · 1,191,735 held after · footnotes F1, F4, F5, F6 and F8
Line 6
S (sale) · 10,955 Class A Common Stock at $135.10 · Oct 31, 2025 · disposed, indirectly, Footnotes · 1,180,780 held after · footnotes F2, F4, F5, F6 and F8
Line 7
S (sale) · 3,652 Class A Common Stock at $136.52 · Oct 31, 2025 · disposed, indirectly, Footnotes · 1,177,128 held after · footnotes F4, F5, F6 and F8
Line 8
S (sale) · 1,449 Class A Common Stock at $137.86 · Oct 31, 2025 · disposed, indirectly, Footnotes · 1,175,679 held after · footnotes F3, F4, F5, F6 and F8
Line 9
S (sale) · 944 Class A Common Stock at $134.01 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,608,203 held after · footnotes F1, F4, F5, F6 and F9
Line 10
S (sale) · 41,238 Class A Common Stock at $135.10 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,566,965 held after · footnotes F2, F4, F5, F6 and F9
Line 11
S (sale) · 13,748 Class A Common Stock at $136.52 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,553,217 held after · footnotes F4, F5, F6 and F9
Line 12
S (sale) · 5,453 Class A Common Stock at $137.86 · Oct 31, 2025 · disposed, indirectly, Footnotes · 8,547,764 held after · footnotes F3, F4, F5, F6 and F9
Line 13
S (sale) · 584 Class A Common Stock at $134.01 · Oct 31, 2025 · disposed, indirectly, Footnotes · 3,192,990 held after · footnotes F1, F4, F5, F6 and F10
Line 14
S (sale) · 25,416 Class A Common Stock at $135.10 · Oct 31, 2025 · disposed, indirectly, Footnotes · 3,167,574 held after · footnotes F2, F4, F5, F6 and F10
Line 15
S (sale) · 8,473 Class A Common Stock at $136.52 · Oct 31, 2025 · disposed, indirectly, Footnotes · 3,159,101 held after · footnotes F4, F5, F6 and F10
Line 16
S (sale) · 3,361 Class A Common Stock at $137.86 · Oct 31, 2025 · disposed, indirectly, Footnotes · 3,155,740 held after · footnotes F3, F4, F5, F6 and F10
Line 17
S (sale) · 472 Class A Common Stock at $134.01 · Oct 31, 2025 · disposed, indirectly, Footnotes · 2,972,851 held after · footnotes F1, F4, F5, F6 and F11
Line 18
S (sale) · 20,474 Class A Common Stock at $135.10 · Oct 31, 2025 · disposed, indirectly, Footnotes · 2,952,377 held after · footnotes F2, F4, F5, F6 and F11
Line 19
S (sale) · 6,825 Class A Common Stock at $136.52 · Oct 31, 2025 · disposed, indirectly, Footnotes · 2,945,552 held after · footnotes F4, F5, F6 and F11
Line 20
S (sale) · 2,707 Class A Common Stock at $137.86 · Oct 31, 2025 · disposed, indirectly, Footnotes · 2,942,845 held after · footnotes F3, F4, F5, F6 and F11
Line 21
S (sale) · 96 Class A Common Stock at $134.01 · Oct 31, 2025 · disposed, indirectly, Footnotes · 860,155 held after · footnotes F1, F4, F5, F6 and F12
Line 22
S (sale) · 4,289 Class A Common Stock at $135.10 · Oct 31, 2025 · disposed, indirectly, Footnotes · 855,866 held after · footnotes F2, F4, F5, F6 and F12
Line 23
S (sale) · 1,429 Class A Common Stock at $136.52 · Oct 31, 2025 · disposed, indirectly, Footnotes · 854,437 held after · footnotes F4, F5, F6 and F12
Line 24
S (sale) · 568 Class A Common Stock at $137.86 · Oct 31, 2025 · disposed, indirectly, Footnotes · 853,869 held after · footnotes F3, F4, F5, F6 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 $133.75 to $134.50, 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 $135.00 to $135.10 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 $137.54 to $138.26, inclusive.
Footnote F4
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 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 Magnetar Longhorn Fund LP.
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.
Open the source ↗

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

Total$4.19 billion sold
Magnetar Financial LLC · sold, held indirectly$3.46 billion
Brannin McBee · sold, held indirectly$186.7 million
Brian Venturo · sold, held indirectly$164.75 million
Brannin McBee · sold$132.54 million
Jack Cogen · sold, held indirectly$105.3 million
Michael Intrator · sold$38.54 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 31, 2025
  2. How we collect our data

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