FilingsForm 4

Magnetar Financial LLC reported selling 535,055 CoreWeave shares for $64.17 million on Sep 15, 2025

Value$64.17 million, held indirectly
Shares535,055, held indirectly
Average price$119.93
FiledSep 17

Magnetar Financial LLC, listed as an owner of more than 10% of CoreWeave's shares, reported selling 535,055 shares for $64.17 million on Sep 15, 2025, at an average of $119.93 a share. The Form 4, the form an insider files when trading a company's shares, listed the shares as held indirectly; its footnotes said funds such as CW Opportunity 2 LP, to which Magnetar Financial LLC was investment adviser, held them directly. The Form 4 was filed on Sep 17, 2025 and can be read on SEC EDGAR.12345678910

How each figure was checked10 facts
  1. ownerMagnetar Financial LLCOur database
  2. relationshipowner of more than 10% of the sharesOur database
  3. shares535,055Our database
  4. value$64.17 millionOur database
  5. first dateSep 15, 2025Our database
  6. average price$119.93Our database
  7. holding24 sale lines held indirectly (Footnotes)Our database
  8. Magnetar Financial LLC is investment adviser to a fund named in the footnotesinvestment adviser to CW Opportunity 2 LPFootnotes of the Form 4 filed Sep 17, 2025 ↗
  9. a fund holds shares of this form directlyheld directly by CW Opportunity 2 LPFootnotes of the Form 4 filed Sep 17, 2025 ↗
  10. filed onSep 17, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-090946
Filed
Sep 17, 2025
Period of report
Sep 15, 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) · 33,044 Class A Common Stock at $119.90 · Sep 15, 2025 · disposed, indirectly, Footnotes · 7,039,799 held after · footnotes F1, F4, F5, F6 and F7
Line 2
S (sale) · 2,416 Class A Common Stock at $120.74 · Sep 15, 2025 · disposed, indirectly, Footnotes · 7,037,383 held after · footnotes F2, F4, F5, F6 and F7
Line 3
S (sale) · 145,998 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 28,414,345 held after · footnotes F3, F4, F5, F6 and F8
Line 4
S (sale) · 804 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 28,413,541 held after · footnotes F4, F5, F6 and F8
Line 5
S (sale) · 19,143 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 2,389,325 held after · footnotes F3, F4, F5, F6 and F9
Line 6
S (sale) · 106 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 2,389,219 held after · footnotes F4, F5, F6 and F9
Line 7
S (sale) · 1,981 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 385,152 held after · footnotes F3, F4, F5, F6 and F10
Line 8
S (sale) · 11 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 385,141 held after · footnotes F4, F5, F6 and F10
Line 9
S (sale) · 42,670 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 6,846,763 held after · footnotes F3, F4, F5, F6 and F11
Line 10
S (sale) · 235 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 6,846,528 held after · footnotes F4, F5, F6 and F11
Line 11
S (sale) · 58,579 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 8,730,608 held after · footnotes F3, F4, F5, F6 and F12
Line 12
S (sale) · 323 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 8,730,285 held after · footnotes F4, F5, F6 and F12
Line 13
S (sale) · 73,428 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 9,613,563 held after · footnotes F3, F4, F5, F6 and F13
Line 14
S (sale) · 405 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 9,613,158 held after · footnotes F4, F5, F6 and F13
Line 15
S (sale) · 16,592 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 1,892,960 held after · footnotes F3, F4, F5, F6 and F14
Line 16
S (sale) · 92 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 1,892,868 held after · footnotes F4, F5, F6 and F14
Line 17
S (sale) · 62,462 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 11,248,236 held after · footnotes F3, F4, F5, F6 and F15
Line 18
S (sale) · 344 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 11,247,892 held after · footnotes F4, F5, F6 and F15
Line 19
S (sale) · 38,495 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 4,820,026 held after · footnotes F3, F4, F5, F6 and F16
Line 20
S (sale) · 212 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 4,819,814 held after · footnotes F4, F5, F6 and F16
Line 21
S (sale) · 31,011 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 4,283,565 held after · footnotes F3, F4, F5, F6 and F17
Line 22
S (sale) · 171 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 4,283,394 held after · footnotes F4, F5, F6 and F17
Line 23
S (sale) · 6,497 Class A Common Stock at $119.92 · Sep 15, 2025 · disposed, indirectly, Footnotes · 1,134,770 held after · footnotes F3, F4, F5, F6 and F18
Line 24
S (sale) · 36 Class A Common Stock at $120.88 · Sep 15, 2025 · disposed, indirectly, Footnotes · 1,134,734 held after · footnotes F4, F5, F6 and F18
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.61 to $120.52, 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 $120.65 to $120.90, 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 $119.86 to $120.68, inclusive.
Footnote F4
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund 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 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 CW Opportunity 2 LP.
Footnote F8
These securities are held directly by CW Opportunity LLC.
Footnote F9
These securities are held directly by Magnetar Alpha Star Fund LLC.
Footnote F10
These securities are held directly by Magnetar Capital Master Fund, Ltd.
Footnote F11
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F12
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F13
These securities are held directly by Magnetar Longhorn Fund LP.
Footnote F14
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F15
These securities are held directly by Magnetar Structured Credit Fund, LP.
Footnote F16
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Footnote F17
These securities are held directly by Purpose Alternative Credit Fund - F LLC.
Footnote F18
These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Footnote F19
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$871.55 million sold
Magnetar Financial LLC · sold, held indirectly$556.88 million
Jack Cogen · sold, held indirectly$105.3 million
Brannin McBee · sold, held indirectly$72.24 million
Brannin McBee · sold$48.16 million
Kristen McVeety · sold$29.68 million
Brian Venturo · sold, held indirectly$29.1 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 Sep 17, 2025
  2. How we collect our data

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