Significant Ownership of Catalyst4, Inc.

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for Catalyst4, Inc. focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
/s/ Robert Brown - Robert Brown, President
Manager location
Palo Alto, CA

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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
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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