X0609 4 2026-08-14 0001770069 MapLight Therapeutics, Inc. MLPT 0001900201 Catalyst4, Inc. false 555 BRYANT STREET #376 PALO ALTO CA 94301 false false true false 0 Voting Common Stock 2026-08-14 4 P 0 4400000 11.38 A 25306689 I See footnote Warrants (right to buy) 0.0001 2026-08-14 4 P 0 2928686 11.3799 A Voting Common Stock 2928686 2928686 I See footnote The shares are held of record by Catalyst4, Inc. ("Catalyst4"). As the members of the board of directors of Catalyst4, Robert Brown, Ekemini Riley and Mark Vorsatz share voting and dispositive power with respect to the shares held by Catalyst4. Each of Mr. Brown, Ms. Riley and Mr. Vorsatz disclaims beneficial ownership of the shares reported herein. The warrant is immediately exercisable, however, the warrant may not be exercised if the aggregate number of shares of voting common stock beneficially owned by the reporting person immediately following such exercise would exceed 49.99%. The warrants will not expire until exercised in full. /s/ Robert Brown 2026-08-18