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FilingsForm 4

Funds tied to Magnetar Financial sold $25.08 million of CoreWeave stock on May 1, 2026

From the public record1 min read

Published Filed
Value$25.08 million, held indirectly
Shares209,157, held indirectly
Average price$119.91
FiledMay 1

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.

Funds tied to Magnetar Financial sold 209,157 CoreWeave shares for $25.08 million on May 1, 2026, at an average of $119.91 a share. The Form 4, the form insiders and large shareholders file when they trade a company's shares, lists Magnetar Financial as an owner of more than 10% of the shares and reports the shares sold as held indirectly, with footnotes naming the funds that hold them directly. The form's Rule 10b5-1 box, which flags trades made under a pre-set trading plan, was not ticked. The Form 4 was filed on May 1, 2026, and is on the SEC's EDGAR database.123456789101112131415

How each figure was checked15 facts
  1. side of the Form 4saleOur database
  2. shares of the Form 4209,157Our database
  3. value of the Form 4$25.08 millionOur database
  4. average price of the Form 4$119.91Our database
  5. first date of the Form 4May 1, 2026Our database
  6. last date of the Form 4May 1, 2026Our database
  7. owner of the Form 4Magnetar Financial LLCOur database
  8. the footnote that says Magnetar Financial is the investment adviser, general partner or manager of the fundsFootnotes of the Form 4 filed May 1, 2026 ↗
  9. the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 1, 2026 ↗
  10. the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 1, 2026 ↗
  11. the footnote that names the fund holding these shares directlyFootnotes of the Form 4 filed May 1, 2026 ↗
  12. relationship of the Form 4owner of more than 10% of the sharesOur database
  13. holding of the Form 49 sale lines held indirectly (Footnotes)Our database
  14. rule 10b5 1 of the Form 4not ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 planOur database
  15. filed on of the Form 4May 1, 2026Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-26-054312
Filed
May 1, 2026
Period of report
May 1, 2026
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) · 16,637 Class A Common Stock at $119.20 · May 1, 2026 · disposed, indirectly, Footnotes · 2,554,841 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 80,437 Class A Common Stock at $119.93 · May 1, 2026 · disposed, indirectly, Footnotes · 2,474,404 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 8,864 Class A Common Stock at $121.10 · May 1, 2026 · disposed, indirectly, Footnotes · 2,465,540 held after · footnotes F3, F4, F5, F6 and F7
Line 4
S (sale) · 13,400 Class A Common Stock at $119.20 · May 1, 2026 · disposed, indirectly, Footnotes · 2,510,161 held after · footnotes F1, F4, F5, F6 and F8
Line 5
S (sale) · 64,799 Class A Common Stock at $119.93 · May 1, 2026 · disposed, indirectly, Footnotes · 2,445,362 held after · footnotes F2, F4, F5, F6 and F8
Line 6
S (sale) · 7,140 Class A Common Stock at $121.10 · May 1, 2026 · disposed, indirectly, Footnotes · 2,438,222 held after · footnotes F3, F4, F5, F6 and F8
Line 7
S (sale) · 2,808 Class A Common Stock at $119.20 · May 1, 2026 · disposed, indirectly, Footnotes · 760,710 held after · footnotes F1, F4, F5, F6 and F9
Line 8
S (sale) · 13,577 Class A Common Stock at $119.93 · May 1, 2026 · disposed, indirectly, Footnotes · 747,133 held after · footnotes F2, F4, F5, F6 and F9
Line 9
S (sale) · 1,495 Class A Common Stock at $121.10 · May 1, 2026 · disposed, indirectly, Footnotes · 745,638 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 $118.74 to $119.70, 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 footnote 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 $119.75 to $120.70, 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 $121.00 to $121.50, inclusive.
Footnote F4
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Longhorn Special Opportunities 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 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 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 Longhorn Special Opportunities Fund LP.
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Insider purchases and sales of CoreWeave shares, since Aug 29, 2025

Total$6.76 billion sold
Magnetar Financial LLC · sold, held indirectly$4.63 billion
Brian Venturo · sold, held indirectly$926.07 million
Brannin McBee · sold$357.4 million
Brannin McBee · sold, held indirectly$312.85 million
Michael Intrator · sold$175.21 million
Michael Intrator · sold, held indirectly$133.84 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 May 1, 2026
  2. How we collect our data
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