X0609 4 2026-10-15 0001770069 MapLight Therapeutics, Inc. MPLT 0001709954 GILLIS JONATHAN false C/O MAPLIGHT THERAPEUTICS, INC. 800 CHESAPEAKE DRIVE REDWOOD CITY CA 94063 false true false false CAO and Interim CFO 0 Voting Common Stock 2026-10-15 4 S 0 10167 8.08 D 142315 D Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.755 to $8.3732 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Kristopher L. Hanson, Attorney-in-Fact 2026-10-16