Significant Ownership of Catalyst4, Inc.

Signature - Title
/s/ Robert Brown - Robert Brown, President
Location
Palo Alto, CA
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by Catalyst4, Inc..

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Significant Ownership of Catalyst4, Inc.

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MPLT MapLight Therapeutics, Inc. Common Stock, $0.0001 par value per share 45% $361,842,414 19,697,464 Catalyst4, Inc. 28 Oct 2025

Schedules 13D/G Reported by Catalyst4, Inc.:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.