144 0001709954 XXXXXXXX LIVE 0001770069 MapLight Therapeutics, Inc. 001-42914 800 Chesapeake Drive Redwood City CA 94063 (617)-984-6300 Jonathan Gillis Officer MapLight voting common stock Morgan Stanley Smith Barney LLC

1 New York Plaza 8th Floor New York NY 10004

4000 108080.00 42436326 04/15/2026 Nasdaq MapLight voting common stock 04/15/2026 Restricted stock unit settlement MapLight Therapeutics, Inc. N 7305 04/15/2026 Vested grant settled in stock; consideration was Reporting Person's continued service as an employee of the Issuer. Y Shares to be sold solely to satisfy tax-withholding obligations in connection with restricted stock unit vesting. 04/15/2026 /s/ Jonathan Gillis