Jonathan Gillis - 17 Aug 2026 Form 4 Insider Report for MapLight Therapeutics, Inc. (MPLT)

Reporting relationship: CAO and Interim CFO
Issuer ticker: MPLT
Reported as of: 17 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 Aug 2026, 18:35:15 UTC
Prior SEC filing: 20 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Kristopher L. Hanson, Attorney-in-Fact

Key filing fact

Jonathan Gillis filed Form 4 for MapLight Therapeutics, Inc. (MPLT) on 19 Aug 2026.

Key facts

This page summarizes Jonathan Gillis's Form 4 filing for MapLight Therapeutics, Inc. (MPLT).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 19 Aug 2026, 18:35.

Change

Previous filing in this sequence was filed on 20 Jul 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 0001709954 Primary reporting owner

GILLIS JONATHAN

Relationship: CAO and Interim CFO
Address: C/O MAPLIGHT THERAPEUTICS, INC., 800 CHESAPEAKE DRIVE, REDWOOD CITY
Signature: /s/ Kristopher L. Hanson, Attorney-in-Fact
Signature date: 19 Aug 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: +6,020
Change %: +4.2%
Price: $0.000000^*
Shares after: 150,260
Date: 17 Aug 2026
Ownership: Direct
Footnotes: F1, F2

MPLT transaction

Voting Common Stock

Award

Transaction value
Shares: +2,222
Change %: +1.5%
Price: $0.000000^*
Shares after: 152,482
Date: 17 Aug 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

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

MPLT transaction Derivative

Employee Stock Option (right to buy)

Award

Transaction value
Shares: +24,455
Change %
Price: $0.000000^*
Shares after: 24,455
Date: 17 Aug 2026
Ownership: Direct
Underlying class: Voting Common Stock
Underlying amount: 24,455
Exercise price: $11.24
Footnotes: F4

MPLT transaction Derivative

Employee Stock Option (Right to Buy)

Award

Transaction value
Shares: +2,813
Change %
Price: $0.000000^*
Shares after: 2,813
Date: 17 Aug 2026
Ownership: Direct
Underlying class: Voting Common Stock
Underlying amount: 2,813
Exercise price: $11.24
Footnotes: F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents a restricted stock unit ("RSU") award. 1/4th of the RSUs shall vest on July 1, 2027, and 1/16th of the RSUs shall vest on each subsequent October 1, January 1, April 1 and July 1 thereafter, subject to the Reporting Person's continued service through each vesting date.

Footnote F2

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

Footnote F3

Represents an RSU award. The RSUs shall vest in 8 equal quarterly installments commencing on October 1, 2026, subject to the Reporting Person's continued service through each vesting date.

Footnote F4

1/4th of the total shares underlying the option shall vest on July 1, 2027, and 1/48th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date.

Footnote F5

The option share vest in 24 equal monthly installments commencing on August 1, 2026, subject to the Reporting Person's continued service through each vesting date.