Maria C. Walker - 23 Jun 2026 Form 4 Insider Report for MapLight Therapeutics, Inc. (MPLT)

Reporting relationship: Director
Issuer ticker: MPLT
Reported as of: 23 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 25 Jun 2026, 17:52:07 UTC
Prior SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Kristopher L. Hanson, Attorney-in-Fact

Key filing fact

Maria C. Walker filed Form 4 for MapLight Therapeutics, Inc. (MPLT) on 25 Jun 2026.

Key facts

This page summarizes Maria C. Walker's Form 4 filing for MapLight Therapeutics, Inc. (MPLT).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 25 Jun 2026, 17:52.

Change

Previous filing in this sequence was filed on 22 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001826519 Primary reporting owner

Walker Maria C

Relationship: Director
Address: C/O MAPLIGHT THERAPEUTICS, INC., 800 CHESAPEAKE DRIVE, REDWOOD CITY
Signature: /s/ Kristopher L. Hanson, Attorney-in-Fact
Signature date: 25 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MPLT transaction

Voting Common Stock

Award

Transaction value
Shares: +3,932
Change %: +6.7%
Price: $0.000000^*
Shares after: 62,703
Date: 23 Jun 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MPLT transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +14,902
Change %
Price: $0.000000^*
Shares after: 14,902
Date: 23 Jun 2026
Ownership: Direct
Underlying class: Voting Common Stock
Underlying amount: 14,902
Exercise price: $28.64
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

Each RSU represents a contingent right to receive one share of voting common stock of the Issuer.

Footnote F3

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.