FilingsForm 4
99,691 CoreWeave shares sold for $13.91 million on Sep 30, 2025, Magnetar Financial LLC reported
Value$13.91 million, held indirectly
Shares99,691, 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 99,691 shares on Sep 30, 2025 at an average price of $139.55, for $13.91 million in all. The form lists the shares as held indirectly: its footnotes name Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC as their direct holders and describe Magnetar Financial as the investment adviser to those funds. Separately, the form lists 9 derivative purchase lines and 9 derivative sale lines, and a footnote says the entity holding the underlying shares entered into a collar arrangement, writing a covered call option and buying a put option. 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
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 sold99,691
- average price per share$139.55
- value of the sale$13.91 million
- the day of the saleSep 30, 2025
- how the shares were held10 sale lines held indirectly (Footnotes)
- footnote naming a direct holder of the sharesheld directly by Purpose Alternative Credit Fund - F LLCFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote naming a direct holder of the sharesheld directly by Purpose Alternative Credit Fund - T LLCFootnotes of the Form 4 filed Oct 2, 2025 ↗
- footnote on Magnetar Financial and the two fundsinvestment adviser to Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLCFootnotes of the Form 4 filed Oct 2, 2025 ↗
- other lines on the formThe form also lists 9 lines for purchase (derivative) and 9 lines for sale (derivative).
- footnote on the entity holding the underlying shares of the derivative linesthe entity holding the underlying shares entered into a collar arrangementFootnotes 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
- 0001104659-25-096273
- 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) · 19,249 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 3,808,739 held after · footnotes F1, F5, F6, F7 and F17
- Line 2
- S (sale) · 1,466 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 3,807,273 held after · footnotes F5, F6, F7 and F17
- Line 3
- S (sale) · 45,477 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 3,761,796 held after · footnotes F2, F5, F6, F7 and F17
- Line 4
- S (sale) · 13,192 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 3,748,604 held after · footnotes F3, F5, F6, F7 and F17
- Line 5
- S (sale) · 3,038 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 3,745,566 held after · footnotes F4, F5, F6, F7 and F17
- Line 6
- S (sale) · 4,034 Class A Common Stock at $137.10 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,035,293 held after · footnotes F1, F5, F6, F7 and F18
- Line 7
- S (sale) · 307 Class A Common Stock at $138.50 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,034,986 held after · footnotes F5, F6, F7 and F18
- Line 8
- S (sale) · 9,528 Class A Common Stock at $139.95 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,025,458 held after · footnotes F2, F5, F6, F7 and F18
- Line 9
- S (sale) · 2,763 Class A Common Stock at $141.29 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,022,695 held after · footnotes F3, F5, F6, F7 and F18
- Line 10
- S (sale) · 637 Class A Common Stock at $142.01 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,022,058 held after · footnotes F4, F5, F6, F7 and F18
- Derivative line 1
- S (sale) · 30,371 Call option (obligation to sell) at $637,791.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 30,371 held after · footnotes F5, F6, F7, F8 and F19
- Derivative line 2
- P (purchase) · 30,371 Put option (right to sell) at $698,533.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 30,371 held after · footnotes F5, F6, F7, F8 and F19
- Derivative line 3
- S (sale) · 138,001 Call option (obligation to sell) at $2,898,021.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 138,001 held after · footnotes F5, F6, F7, F9 and F19
- Derivative line 4
- P (purchase) · 138,001 Put option (right to sell) at $3,174,023.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 138,001 held after · footnotes F5, F6, F7, F9 and F19
- Derivative line 5
- S (sale) · 18,092 Call option (obligation to sell) at $379,932.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 18,092 held after · footnotes F5, F6, F7, F10 and F19
- Derivative line 6
- P (purchase) · 18,092 Put option (right to sell) at $416,116.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 18,092 held after · footnotes F5, F6, F7, F10 and F19
- Derivative line 7
- S (sale) · 1,871 Call option (obligation to sell) at $39,291.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 1,871 held after · footnotes F5, F6, F7, F11 and F19
- Derivative line 8
- P (purchase) · 1,871 Put option (right to sell) at $43,033.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 1,871 held after · footnotes F5, F6, F7, F11 and F19
- Derivative line 9
- S (sale) · 40,331 Call option (obligation to sell) at $846,951.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 40,331 held after · footnotes F5, F6, F7, F12 and F19
- Derivative line 10
- P (purchase) · 40,331 Put option (right to sell) at $927,613.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 40,331 held after · footnotes F5, F6, F7, F12 and F19
- Derivative line 11
- S (sale) · 55,370 Call option (obligation to sell) at $1,162,770.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 55,370 held after · footnotes F5, F6, F7, F13 and F19
- Derivative line 12
- P (purchase) · 55,370 Put option (right to sell) at $1,273,510.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 55,370 held after · footnotes F5, F6, F7, F13 and F19
- Derivative line 13
- S (sale) · 69,405 Call option (obligation to sell) at $1,457,505.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 69,405 held after · footnotes F5, F6, F7, F14 and F19
- Derivative line 14
- P (purchase) · 69,405 Put option (right to sell) at $1,596,315.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 69,405 held after · footnotes F5, F6, F7, F14 and F19
- Derivative line 15
- S (sale) · 15,682 Call option (obligation to sell) at $329,322.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 15,682 held after · footnotes F5, F6, F7, F15 and F19
- Derivative line 16
- P (purchase) · 15,682 Put option (right to sell) at $360,686.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 15,682 held after · footnotes F5, F6, F7, F15 and F19
- Derivative line 17
- S (sale) · 59,039 Call option (obligation to sell) at $1,239,819.00 · Sep 30, 2025 · disposed, indirectly, Footnotes · 59,039 held after · footnotes F5, F6, F7, F16 and F19
- Derivative line 18
- P (purchase) · 59,039 Put option (right to sell) at $1,357,897.00 · Sep 30, 2025 · acquired, indirectly, Footnotes · 59,039 held after · footnotes F5, F6, F7, F16 and F19
- 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 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, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, 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 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 CW Opportunity 2 LP.
- Footnote F9
- These securities are held directly by CW Opportunity LLC.
- Footnote F10
- These securities are held directly by Magnetar Alpha Star Fund LLC.
- Footnote F11
- These securities are held directly by Magnetar Capital Master Fund, Ltd.
- Footnote F12
- These securities are held directly by Magnetar Constellation Master Fund, Ltd.
- Footnote F13
- These securities are held directly by Magnetar Lake Credit Fund LLC.
- Footnote F14
- These securities are held directly by Magnetar Longhorn Fund LP.
- Footnote F15
- These securities are held directly by Magnetar SC Fund Ltd.
- Footnote F16
- These securities are held directly by Magnetar Structured Credit Fund, LP.
- 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
- The entity holding the underlying shares of Class A common stock (the "Common Stock") of the Issuer entered into a collar arrangement pursuant to which such entity wrote a covered call option and purchased a put option. Only one of the options can be in-the-money on the expiration date, at which time the in-the-money option will be exercised and settled in shares and the other option will expire. If neither option is in-the-money on the expiration date, both options will expire.
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
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- Layoffs, 12 months
- No WARN notices in the US states we read
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