Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Walker Maria C 2. Issuer Name and Ticker or Trading Symbol MapLight Therapeutics, Inc. [MPLT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O MAPLIGHT THERAPEUTICS, INC., 800 CHESAPEAKE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 06/23/2026 (Street) REDWOOD CITY, CA 94063 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Voting Common Stock 06/23/2026 A 3,932(1) A $ 0 (2) 62,703 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$28.64

06/23/2026

A

14,902

(3)

06/22/2036

Voting Common Stock

14,902

$ 0

14,902

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Walker Maria C C/O MAPLIGHT THERAPEUTICS, INC. 800 CHESAPEAKE DRIVE REDWOOD CITY, CA 94063	X

Signatures

/s/ Kristopher L. Hanson, Attorney-in-Fact		06/25/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents restricted stock units ("RSUs") granted pursuant to the Issuer's 2025 Equity Incentive Plan (the "Plan"). The RSUs will vest on the earlier of (i) June 23, 2027, or (ii) the date of the Issuer's next annual stockholder meeting, subject to the Continuous Service (as defined in the Plan) of the Reporting Person as of the applicable vesting date. This grant was made pursuant to the Issuer's non-employee director compensation policy.
(2)	Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.
(3)	Represents a stock option granted pursuant to the Plan. The shares subject to this stock option will vest on the earlier of (i) June 23, 2027, or (ii) the date of the Issuer's next annual stockholder meeting, subject to the Continuous Service (as defined in the Plan) of the Reporting Person as of the applicable vesting date. This grant was made pursuant to the Issuer's non-employee director compensation policy.

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