CoreWeave, Inc. SEC Filings

Magnetar-affiliated holders reported multiple sales of CoreWeave Class A common stock on 10/02/2025. The Form 4 shows a sequence of dispositions by Magnetar Financial LLC and related entities and individuals, executed at weighted-average prices ranging roughly from $137.00 to $141.11. The filings list many individual sale lines across several Magnetar funds (e.g., CW Opportunity LLC, CW Opportunity 2 LP, Longhorn Special Opportunities Fund LP), with post-transaction indirect beneficial ownership positions reported for each account.

The reporting parties are identified as a Director and 10% owner through a structure of advisory and management entities. Footnotes state the prices are weighted averages from multiple transactions and disclaim direct beneficial ownership except to the extent of pecuniary interest.

Magnetar reporting persons disclosed a collar entered on 09/30/2025 over shares of CoreWeave, Inc. (CRWV). The arrangement consists of written covered call options with a $200 strike and purchased put options with a $115 strike, each set to expire on 06/18/2026. The filing shows three option lots covering 36,386, 29,311 and 6,141 underlying Class A shares, totaling 71,838 shares held indirectly by Magnetar funds. Only one side of the collar can be in-the-money at expiration; the in-the-money option will be exercised and settled in shares, and the other will expire. Reporting parties include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman.

Magnetar Financial LLC and affiliated entities disclosed multiple sales of Class A common stock of CoreWeave, Inc. (CRWV) on 09/30/2025, with weighted‑average sale prices reported in ranges from $136.94 to $142.25. After the reported transactions the group reports beneficial ownership of 9,202,863 shares on an indirect basis. The filing also shows a series of paired call and put options (a collar arrangement) written and purchased with strikes of $200 (call) and $115 (put), exercisable and expiring on 06/18/2026, in multiple lots ranging from 1,871 to 138,001 shares. The filing identifies reporting parties as Magnetar Financial, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, who disclaim beneficial ownership except for pecuniary interest.

McBee Brannin, Chief Development Officer of CoreWeave, Inc. (CRWV), reported multiple transactions dated 09/30/2025. The filing shows vesting and settlement of restricted stock units (RSUs) and several sales executed under a Rule 10b5-1 trading plan adopted on May 20, 2025 to satisfy tax withholding from RSU settlements. Specific non-derivative sales include 57,903 shares at a weighted average price of $139.44 and multiple other lots with weighted-average prices ranging from $133.61 to $142.63.

The report also records acquisitions/vests of RSUs totaling 121,119 units (11,739 and 109,380) and conversions/holdings of Class B common stock that are convertible into Class A shares. Post-transaction beneficial ownership figures are reported across direct and indirect holdings, including substantial indirect Class B-based economic exposure shown in Table II.

Jack D. Cogen reported beneficial ownership of 17,129,596 shares of CoreWeave, Inc. Class A common stock, representing 4.5% of the class. The filing states he has sole voting and dispositive power over 16,993,036 shares and shared voting and dispositive power over 136,560 shares. The Schedule 13G/A identifies the issuer's principal executive office in Livingston, New Jersey, and lists Cogen's business address as c/o TAG Associates LLC in New York. The filing indicates this ownership figure is below the 5% threshold that typically requires different reporting status and includes a signature dated October 1, 2025.

CoreWeave, Inc. (CRWV) Form 144 — An authorized sale notice reports an intended sale of 14,615 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $2,000,062.75, and an approximate sale date of 10/01/2025 on NASDAQ. The shares were acquired as Founders Shares on 12/27/2023. The filing shows total outstanding shares of 370,470,348, placing the planned sale at a small fraction of outstanding stock. The document also lists multiple recent sales by related parties and entities during August–September 2025, including several 10b5-1 plan transactions and substantial gross proceeds reported.

Form 144 notice for CoreWeave, Inc. (CRWV): The filer notified intent to sell 14,615 shares of common stock, with an aggregate market value of $2,000,062.75, from a total of 370,470,348 shares outstanding. The proposed sale is listed for 10/01/2025 on NASDAQ. The shares were acquired as Founders Shares from the issuer on 12/27/2023, with the acquisition and payment dated the same day. Recent reported sales by related parties or accounts over the prior three months include multiple 10b5-1 plan transactions totaling material quantities (examples: 281,250 shares on 09/17/2025 for $33,379,846.88; 281,250 on 09/03/2025 for $25,487,803.13) and individual sales by Brian Venturo (e.g., 65,593 shares on 09/30/2025 for $9,146,287.92). The filer attests to no undisclosed material adverse information.

CoreWeave, Inc. (CRWV) Form 144 shows a proposed sale of 65,593 shares of Class A common stock through Morgan Stanley, with an aggregate market value of $9,146,287.92 and an approximate sale date of 09/30/2025. The shares represent restricted stock units acquired as compensation on 09/30/2025 and were paid as compensation. The filing reports the issuer's total Class A shares outstanding as 370,470,348. The notice also discloses multiple Rule 10b5-1 sales during the prior three months by related entities totaling 925,632 shares for gross proceeds of $91,055,104.72. The filer certifies no undisclosed material adverse information as part of the signature attestation.