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FilingsForm 4

A Form 4 reported that funds tied to Magnetar Financial sold $26.98 million of CoreWeave shares on Apr 16, 2026

From the public record1 min read

Published Filed
Value$26.98 million, held indirectly
Shares228,045, held indirectly
Average price$118.30
FiledApr 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.

Funds tied to Magnetar Financial LLC sold 228,045 CoreWeave shares on Apr 16, 2026 for $26.98 million, at an average price of $118.30 a share, according to a Form 4 (the form an insider files when trading a company's shares). The form lists Magnetar Financial as an owner of more than 10% of CoreWeave's shares, and its footnotes say the shares sold were held directly by Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, funds for which Magnetar Financial serves as investment adviser. The form's Rule 10b5-1 box, which marks trades made under a pre-set trading plan, is not ticked. The Form 4, filed on Apr 17, 2026, is on the SEC's EDGAR database.12345678910111213

How each figure was checked13 facts
  1. the reporting owner as filedMagnetar Financial LLCOur database
  2. shares sold228,045Our database
  3. value of the sale$26.98 millionOur database
  4. day of the saleApr 16, 2026Our database
  5. average price per share$118.3Our database
  6. side of the tradesaleOur database
  7. footnote F3: how Magnetar Financial relates to the fundsMagnetar Financial and the fundsFootnotes of the Form 4 filed Apr 17, 2026 ↗
  8. the owner's relationship to the companyowner of more than 10% of the sharesOur database
  9. footnote F6: held directly by Magnetar Xing He Master Fund Ltdheld directly by Magnetar Xing He Master Fund LtdFootnotes of the Form 4 filed Apr 17, 2026 ↗
  10. footnote F7: held directly by Purpose Alternative Credit Fund - F LLCheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the Form 4 filed Apr 17, 2026 ↗
  11. footnote F8: held directly by Purpose Alternative Credit Fund - T LLCheld directly by Purpose Alternative Credit Fund - T LLCFootnotes of the Form 4 filed Apr 17, 2026 ↗
  12. the Rule 10b5-1 checkboxnot ticked: the filing marks no transaction on the form as made under a Rule 10b5-1 planOur database
  13. day the form was filedApr 17, 2026Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-26-045072
Filed
Apr 17, 2026
Period of report
Apr 16, 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) · 89,055 Class A Common Stock at $117.96 · Apr 16, 2026 · disposed, indirectly, Footnotes · 2,851,994 held after · footnotes F1, F3, F4, F5 and F6
Line 2
S (sale) · 25,737 Class A Common Stock at $119.42 · Apr 16, 2026 · disposed, indirectly, Footnotes · 2,826,257 held after · footnotes F2, F3, F4, F5 and F6
Line 3
S (sale) · 707 Class A Common Stock at $120.64 · Apr 16, 2026 · disposed, indirectly, Footnotes · 2,825,550 held after · footnotes F3, F4, F5 and F6
Line 4
S (sale) · 71,739 Class A Common Stock at $117.96 · Apr 16, 2026 · disposed, indirectly, Footnotes · 2,749,534 held after · footnotes F1, F3, F4, F5 and F7
Line 5
S (sale) · 20,734 Class A Common Stock at $119.42 · Apr 16, 2026 · disposed, indirectly, Footnotes · 2,728,800 held after · footnotes F2, F3, F4, F5 and F7
Line 6
S (sale) · 570 Class A Common Stock at $120.64 · Apr 16, 2026 · disposed, indirectly, Footnotes · 2,728,230 held after · footnotes F3, F4, F5 and F7
Line 7
S (sale) · 15,039 Class A Common Stock at $117.96 · Apr 16, 2026 · disposed, indirectly, Footnotes · 810,855 held after · footnotes F1, F3, F4, F5 and F8
Line 8
S (sale) · 4,345 Class A Common Stock at $119.42 · Apr 16, 2026 · disposed, indirectly, Footnotes · 806,510 held after · footnotes F2, F3, F4, F5 and F8
Line 9
S (sale) · 119 Class A Common Stock at $120.64 · Apr 16, 2026 · disposed, indirectly, Footnotes · 806,391 held after · footnotes F3, F4, F5 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 $117.71 to $118.50, 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 footnote 2.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive.
Footnote F3
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds").
Footnote F4
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 F5
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 F6
These securities are held directly by Magnetar Xing He Master Fund Ltd.
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 Longhorn Special Opportunities Fund LP.
Open the source ↗

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

Total$5.84 billion sold
Magnetar Financial LLC · sold, held indirectly$4.04 billion
Brian Venturo · sold, held indirectly$736.64 million
Brannin McBee · sold$312.41 million
Brannin McBee · sold, held indirectly$286.29 million
Michael Intrator · sold$130.61 million
Michael Intrator · sold, held indirectly$109.82 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 Apr 17, 2026
  2. How we collect our data
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