Transaction · 0001104659-26-109005

Magnetar Financial LLC

Magnetar Financial LLC, 10%, reported a transaction classified as unknown at CoreWeave, Inc. involving 881551.000000 shares for an estimated $0.00. Reported holdings after the transaction were 0.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code E10%
CRWVCoreWeave, Inc.
Trade date
Sep 18, 2026
Filing date
Sep 18, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded881k$0.00 per share
Holdings after0Indirect · Footnotes
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

CRWV price since this filing

Daily closing prices, with the filing date and available return windows
CRWV · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +11.7%1w ago +9.4%1d ago -1.8%
Returns since7d +7.7%30d -24.5%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code E
Identifier
0001104659-26-109005
Put option (right to sell)
Transaction date
Sep 18, 2026
Filed Sep 18, 2026, 10:56 PM · 0d delay
Shares
881,551 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
0 sh
Indirect · Footnotes

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction
Filing-only score

-12 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    In connection with the expiration of a call option and a put option entered into on August 18, 2025, as part of a collar arrangement, both options expired unexercised and for no value on September 18,…

  2. F2

    Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longh…

  3. F3

    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…

  4. F4

    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, exc…

  5. F5

    These securities are held directly by CW Opportunity LLC.

  6. F6

    These securities are held directly by Magnetar Alpha Star Fund LLC.

  7. F7

    These securities are held directly by Magnetar Capital Master Fund, Ltd.

  8. F8

    These securities are held directly by Magnetar Constellation Master Fund, Ltd.

  9. F9

    These securities are held directly by Magnetar Lake Credit Fund LLC.

  10. F10

    These securities are held directly by Magnetar Longhorn Fund LP.

  11. F11

    These securities are held directly by Magnetar SC Fund Ltd.

  12. F12

    These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities).

  13. F13

    These securities are held directly by Magnetar Xing He Master Fund Ltd.

  14. F14

    These securities are held directly by Purpose Alternative Credit Fund - F LLC.

  15. F15

    These securities are held directly by Purpose Alternative Credit Fund - T LLC.

  16. F16

    Expiration of a long derivative security for no value, transaction code "K" only.

Original filing · 0001104659-26-109005
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

CRWV