FilingsForm 4

Magnetar Financial LLC reported selling 1,059,358 CoreWeave shares for $127.78 million on Sep 18, 2025

Value$127.78 million, held indirectly
Shares1,059,358, held indirectly
Average price$120.62
FiledSep 22

Magnetar Financial LLC, listed as an owner of more than 10% of CoreWeave's shares, reported selling 1,059,358 shares for $127.78 million on Sep 18, 2025, at an average of $120.62 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 22, 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. shares1,059,358Our database
  4. value$127.78 millionOur database
  5. first dateSep 18, 2025Our database
  6. average price$120.62Our database
  7. holding29 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 22, 2025 ↗
  9. a fund holds shares of this form directlyheld directly by CW Opportunity 2 LPFootnotes of the Form 4 filed Sep 22, 2025 ↗
  10. filed onSep 22, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001104659-25-092234
Filed
Sep 22, 2025
Period of report
Sep 18, 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) · 3,063 Class A Common Stock at $119.82 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,918,644 held after · footnotes F1, F9, F10, F11 and F12
Line 2
S (sale) · 61,498 Class A Common Stock at $120.42 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,857,146 held after · footnotes F2, F9, F10, F11 and F12
Line 3
S (sale) · 15,534 Class A Common Stock at $121.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,841,612 held after · footnotes F3, F9, F10, F11 and F12
Line 4
S (sale) · 1,797 Class A Common Stock at $122.69 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,839,815 held after · footnotes F4, F9, F10, F11 and F12
Line 5
S (sale) · 263,174 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 27,671,543 held after · footnotes F5, F9, F10, F11 and F13
Line 6
S (sale) · 68,214 Class A Common Stock at $121.31 · Sep 18, 2025 · disposed, indirectly, Footnotes · 27,603,329 held after · footnotes F6, F9, F10, F11 and F13
Line 7
S (sale) · 7,728 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 27,595,601 held after · footnotes F4, F9, F10, F11 and F13
Line 8
S (sale) · 1,076 Class A Common Stock at $121.63 · Sep 18, 2025 · disposed, indirectly, Footnotes · 4,416,531 held after · footnotes F7, F9, F10, F11 and F14
Line 9
S (sale) · 34,501 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 2,291,940 held after · footnotes F5, F9, F10, F11 and F15
Line 10
S (sale) · 8,945 Class A Common Stock at $121.31 · Sep 18, 2025 · disposed, indirectly, Footnotes · 2,282,995 held after · footnotes F6, F9, F10, F11 and F15
Line 11
S (sale) · 1,010 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 2,281,985 held after · footnotes F4, F9, F10, F11 and F15
Line 12
S (sale) · 3,561 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 375,087 held after · footnotes F5, F9, F10, F11 and F16
Line 13
S (sale) · 930 Class A Common Stock at $121.32 · Sep 18, 2025 · disposed, indirectly, Footnotes · 374,157 held after · footnotes F6, F9, F10, F11 and F16
Line 14
S (sale) · 101 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 374,056 held after · footnotes F4, F9, F10, F11 and F16
Line 15
S (sale) · 76,902 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,629,680 held after · footnotes F5, F9, F10, F11 and F17
Line 16
S (sale) · 19,940 Class A Common Stock at $121.31 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,609,740 held after · footnotes F6, F9, F10, F11 and F17
Line 17
S (sale) · 2,255 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 6,607,485 held after · footnotes F4, F9, F10, F11 and F17
Line 18
S (sale) · 105,585 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 8,432,576 held after · footnotes F5, F9, F10, F11 and F18
Line 19
S (sale) · 27,374 Class A Common Stock at $121.31 · Sep 18, 2025 · disposed, indirectly, Footnotes · 8,405,202 held after · footnotes F6, F9, F10, F11 and F18
Line 20
S (sale) · 3,097 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 8,402,105 held after · footnotes F4, F9, F10, F11 and F18
Line 21
S (sale) · 132,358 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 9,239,979 held after · footnotes F5, F9, F10, F11 and F19
Line 22
S (sale) · 33,226 Class A Common Stock at $121.30 · Sep 18, 2025 · disposed, indirectly, Footnotes · 9,206,753 held after · footnotes F8, F9, F10, F11 and F19
Line 23
S (sale) · 3,890 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 9,202,863 held after · footnotes F4, F9, F10, F11 and F19
Line 24
S (sale) · 29,905 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 1,808,546 held after · footnotes F5, F9, F10, F11 and F20
Line 25
S (sale) · 7,733 Class A Common Stock at $121.31 · Sep 18, 2025 · disposed, indirectly, Footnotes · 1,800,813 held after · footnotes F6, F9, F10, F11 and F20
Line 26
S (sale) · 890 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 1,799,923 held after · footnotes F4, F9, F10, F11 and F20
Line 27
S (sale) · 112,584 Class A Common Stock at $120.38 · Sep 18, 2025 · disposed, indirectly, Footnotes · 10,930,450 held after · footnotes F5, F9, F10, F11 and F21
Line 28
S (sale) · 29,183 Class A Common Stock at $121.31 · Sep 18, 2025 · disposed, indirectly, Footnotes · 10,901,267 held after · footnotes F6, F9, F10, F11 and F21
Line 29
S (sale) · 3,304 Class A Common Stock at $122.71 · Sep 18, 2025 · disposed, indirectly, Footnotes · 10,897,963 held after · footnotes F4, F9, F10, F11 and F21
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.12 to $120.09, 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, 3, 4, 5, 6, 7 and 8.
Footnote F2
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.15 to $121.10, 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 $121.16 to $121.83, inclusive.
Footnote F4
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $122.40 to $123.06, inclusive.
Footnote F5
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.06 to $121.03, inclusive.
Footnote F6
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $121.10 to $121.68, inclusive.
Footnote F7
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $121.60 to $121.68, inclusive.
Footnote F8
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $121.10 to $121.45 inclusive.
Footnote F9
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 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 F10
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 F11
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 F12
These securities are held directly by CW Opportunity 2 LP.
Footnote F13
These securities are held directly by CW Opportunity LLC.
Footnote F14
These securities are held directly by Longhorn Special Opportunities Fund LP.
Footnote F15
These securities are held directly by Magnetar Alpha Star Fund LLC.
Footnote F16
These securities are held directly by Magnetar Capital Master Fund, Ltd.
Footnote F17
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F18
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F19
These securities are held directly by Magnetar Longhorn Fund LP.
Footnote F20
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F21
These securities are held directly by Magnetar Structured Credit Fund, LP.
Open the source ↗

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

Total$1.58 billion sold
Magnetar Financial LLC · sold, held indirectly$1.15 billion
Brannin McBee · sold, held indirectly$116.55 million
Jack Cogen · sold, held indirectly$105.3 million
Brannin McBee · sold$77.7 million
Brian Venturo · sold, held indirectly$62.48 million
Kristen McVeety · sold$29.68 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 Sep 22, 2025
  2. How we collect our data

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