SCHEDULE: Jack Cogen Discloses 4.5% Stake in CoreWeave

Jack Cogen has filed an amended Schedule 13G, reporting a 4.5% beneficial ownership stake in CoreWeave, Inc.'s Class A common stock as of September 30, 2025.

Summary

• Jack Cogen reported beneficial ownership of 17,129,596 shares of CoreWeave, Inc. Class A common stock.
• This ownership represents 4.5% of the Class A common stock outstanding.
• The filing is an Amendment No. 1 to a Schedule 13G, indicating an update to a previously filed statement.
• The event date requiring this filing was September 30, 2025.
• Cogen holds sole voting and dispositive power over 16,993,036 shares and shared voting and dispositive power over 136,560 shares.

Sentiment

Score: 5

Explanation: The filing is a routine ownership disclosure (Schedule 13G) by an individual investor, Jack Cogen, reporting a 4.5% stake in CoreWeave, Inc. It contains no explicit positive or negative news about the company's operations or financial performance, thus maintaining a neutral sentiment.

Positives

• A prominent individual investor, Jack Cogen, maintains a significant stake in CoreWeave, Inc., which could be interpreted as a sign of confidence.

Negatives

• The filing itself does not contain any explicit negative information regarding CoreWeave, Inc.'s operations or financial performance.

Risks

• No specific risks related to CoreWeave, Inc. are mentioned in this ownership disclosure filing.

Future Outlook

This filing is an ownership disclosure and does not contain any forward-looking statements or guidance from CoreWeave, Inc.

Industry Context

This Schedule 13G filing pertains to an individual investor's ownership stake and does not provide information related to broader industry trends or competitors of CoreWeave, Inc.

Comparison to Industry Standards

• This filing is an ownership disclosure and does not provide data for comparison to industry standards or global benchmarks.

Stakeholder Impact

• Shareholders: Provides transparency regarding a significant individual investor's stake, which could influence market perception.

Next Steps

• This filing is a disclosure of current ownership and does not outline specific future actions or milestones for CoreWeave, Inc. or the reporting person beyond ongoing compliance with SEC regulations.

Key Dates

Keywords

CoreWeave, Jack Cogen, Schedule 13G, beneficial ownership, Class A common stock, SEC filing, ownership stake