Magnetar Financial LLC

CIK: 0001352851

Transaction Breakdown

Open Market Buys (P)101 (4.1%)

High conviction signal

Open Market Sales (S)2,027 (82.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)343 (13.9%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

CRWV

CoreWeave, Inc.

10% Owner

WHLR

Wheeler Real Estate Investment Trust, Inc.

10% Owner

Discretionary Trading P&L

Holdings

Transaction History (2,471 total)

CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
377.1K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
377.1K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
257.6K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
100.2K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
187.2K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
232.4K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
115.6K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
11.9K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
353.7K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
100.2K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
232.4K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
187.2K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
39.2K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
39.2K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
881.6K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
881.6K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
115.6K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
11.9K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
257.6K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
353.7K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Call option (obligation to sell)
Indirect
443.4K shares-
CRWV
CoreWeave, Inc.
Sep 18, 2026
Expiration(E)
Put option (right to sell)
Indirect
443.4K shares-
CRWV
CoreWeave, Inc.
Aug 14, 2026
Sale(S)
Indirect
42.5K shares at avg. $108.48$4.6M
CRWV
CoreWeave, Inc.
Aug 14, 2026
Sale(S)
Indirect
84 shares at avg. $110.00$9K
CRWV
CoreWeave, Inc.
Aug 14, 2026
Sale(S)
Indirect
8.5K shares at avg. $109.99$930K

		Type	Shares	Price		Ownership
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	377,144	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	377,144	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	257,634	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	100,176	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	187,241	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	232,434	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	115,575	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	11,949	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	353,703	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	100,176	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	232,434	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	187,241	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	39,230	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	39,230	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	881,551	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	881,551	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	115,575	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	11,949	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	257,634	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	353,703	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Call option (obligation to sell)	443,363	-	-	Indirect
Sep 18, 2026	CRWV CoreWeave, Inc.	Expiration(E) Put option (right to sell)	443,363	-	-	Indirect
Aug 14, 2026	CRWV CoreWeave, Inc.	Sale(S)	42,519	$108.48	$4,612,461	Indirect
Aug 14, 2026	CRWV CoreWeave, Inc.	Sale(S)	84	$110.00	$9,240	Indirect
Aug 14, 2026	CRWV CoreWeave, Inc.	Sale(S)	8,453	$109.99	$929,745	Indirect

1-25 of 2,471 transactions

…

About Magnetar Financial LLC

Magnetar Financial LLC (SEC CIK 0001352851) files insider reports with the SEC as 10% Owner of CoreWeave, Inc. (CRWV) and 10% Owner of Wheeler Real Estate Investment Trust, Inc. (WHLR).

Signal8 holds 144 ownership filings by Magnetar Financial LLC (6 Form 3, 138 Form 4), filed between Mar 27, 2025 and Sep 18, 2026. Those filings report 2,471 transactions, from Mar 31, 2025 to Sep 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Magnetar Financial LLC's filings is in EVANSTON, IL.

Recent filings by Magnetar Financial LLC

Sep 18, 2026: Expiration of short derivative transactions of CRWV derivative securities (22 lines, Form 4, code E).
Aug 14, 2026: Open-market sales of CRWV shares (3 lines, Form 4, code S).

Other insiders filing for CoreWeave, Inc. (CRWV)

Baker Jeff, Principal Accounting Officer
WHITMAN MARGARET C, Director
HUTCHINS GLENN H, Director
Agrawal Nitin, Chief Financial Officer
Jones Jonathan, Chief Revenue Officer
Boone Karen, Director

How to read Form 4 transaction codes