FilingsForm 4
581,484 CoreWeave shares sold for $81.15 million on Sep 30, 2025, Magnetar Financial LLC reported
Value$81.15 million, held indirectly
Shares581,484, held indirectly
Average price$139.55
FiledOct 2
In a Form 4, the form an insider files when trading a company's shares, Magnetar Financial LLC, an owner of more than 10% of CoreWeave's shares, reported the sale of 581,484 shares on Sep 30, 2025 at an average price of $139.55, for $81.15 million in all. The form lists the shares as held indirectly: its footnotes name Magnetar funds as their direct holders and describe Magnetar Financial as the investment adviser, general partner or manager of those funds. The form, filed with the SEC on Oct 2, 2025, can be read on the agency's EDGAR site.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
How each figure was checked
- the reporting owner as the form names itMagnetar Financial LLC
- the owner's relationship to the companyowner of more than 10% of the shares
- the side of the tradesale
- shares sold581,484
- average price per share$139.55
- value of the sale$81.15 million
- the day of the saleSep 30, 2025
- how the shares were held25 sale lines held indirectly (Footnotes)
- footnote naming a direct holder of the sharesheld directly by Magnetar Constellation Master Fund, LtdFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote naming a direct holder of the sharesheld directly by Magnetar Lake Credit Fund LLCFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote naming a direct holder of the sharesheld directly by Magnetar SC Fund LtdFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote naming a direct holder of the sharesheld directly by Magnetar Structured Credit Fund, LPFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote naming a direct holder of the sharesheld directly by Magnetar Xing He Master Fund LtdFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote on Magnetar Financial and the fundsinvestment adviser to the fundsFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote on Magnetar Financial and the fundsgeneral partner or manager of the fundsFootnotes of the Form 4 filed Oct 2, 2025 ↗
- the day the form was filedOct 2, 2025
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The record
- Issuer
- CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
- Form
- 4
- Accession
- 0001104659-25-096272
- Filed
- Oct 2, 2025
- Period of report
- Sep 30, 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) · 26,482 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 6,193,457 held after · footnotes F1, F5, F6, F7 and F8
- Line 2
- S (sale) · 2,017 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 6,191,440 held after · footnotes F5, F6, F7 and F8
- Line 3
- S (sale) · 62,575 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 6,128,865 held after · footnotes F2, F5, F6, F7 and F8
- Line 4
- S (sale) · 18,151 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 6,110,714 held after · footnotes F3, F5, F6, F7 and F8
- Line 5
- S (sale) · 4,181 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 6,106,533 held after · footnotes F4, F5, F6, F7 and F8
- Line 6
- S (sale) · 36,354 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 7,833,689 held after · footnotes F1, F5, F6, F7 and F9
- Line 7
- S (sale) · 2,769 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 7,830,920 held after · footnotes F5, F6, F7 and F9
- Line 8
- S (sale) · 85,907 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 7,745,013 held after · footnotes F2, F5, F6, F7 and F9
- Line 9
- S (sale) · 24,919 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 7,720,094 held after · footnotes F3, F5, F6, F7 and F9
- Line 10
- S (sale) · 5,738 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 7,714,356 held after · footnotes F4, F5, F6, F7 and F9
- Line 11
- S (sale) · 10,297 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,638,935 held after · footnotes F1, F5, F6, F7 and F10
- Line 12
- S (sale) · 784 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,638,151 held after · footnotes F5, F6, F7 and F10
- Line 13
- S (sale) · 24,330 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,613,821 held after · footnotes F2, F5, F6, F7 and F10
- Line 14
- S (sale) · 7,056 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,606,765 held after · footnotes F3, F5, F6, F7 and F10
- Line 15
- S (sale) · 1,625 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,605,140 held after · footnotes F4, F5, F6, F7 and F10
- Line 16
- S (sale) · 38,761 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 10,291,863 held after · footnotes F1, F5, F6, F7 and F11
- Line 17
- S (sale) · 2,952 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 10,288,911 held after · footnotes F5, F6, F7 and F11
- Line 18
- S (sale) · 91,597 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 10,197,314 held after · footnotes F2, F5, F6, F7 and F11
- Line 19
- S (sale) · 26,568 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 10,170,746 held after · footnotes F3, F5, F6, F7 and F11
- Line 20
- S (sale) · 6,118 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 10,164,628 held after · footnotes F4, F5, F6, F7 and F11
- Line 21
- S (sale) · 23,889 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 4,230,612 held after · footnotes F1, F5, F6, F7 and F12
- Line 22
- S (sale) · 1,819 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 4,228,793 held after · footnotes F5, F6, F7 and F12
- Line 23
- S (sale) · 56,450 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 4,172,343 held after · footnotes F2, F5, F6, F7 and F12
- Line 24
- S (sale) · 16,373 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 4,155,970 held after · footnotes F3, F5, F6, F7 and F12
- Line 25
- S (sale) · 3,772 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 4,152,198 held after · footnotes F4, F5, F6, F7 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 $136.94 to $137.75, 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 and 4.
- Footnote F2
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.85 to $140.75, 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 $141.00 to $141.84, 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 $142.00 to $142.25, inclusive.
- Footnote F5
- Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, and the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
- Footnote F6
- 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 F7
- 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 F8
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F9
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F10
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F11
- These securities are held directly by Magnetar Structured Credit Fund, LP.
- Footnote F12
- These securities are held directly by Magnetar Xing He Master Fund Ltd.
Insider purchases and sales of CoreWeave shares, since Aug 29, 2025
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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
- Open roles
- 293 open roles · 5 posted this week · 1 job board
- Layoffs, 12 months
- No WARN notices in the US states we read
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