SCHEDULE 13D

MapLight Therapeutics Inc

Common Stock, $0.0001 par value per share · CUSIP: 56565P103

Event date: 2025-10-28

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Catalyst4, Inc.Reported CIK 0001900201

  Shares: 19,697,464.00 · Class: 45.1%

• Robert Brown

  Shares: 19,697,464.00 · Class: 45.1%

• Ekemini Riley

  Shares: 19,697,464.00 · Class: 45.1%

• Mark Vorsatz

  Shares: 19,697,464.00 · Class: 45.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.