Robert C. Malenka - 27 Oct 2025 Form 4 Insider Report for MapLight Therapeutics, Inc. (MPLT)

Reporting relationship: Director
Issuer ticker: MPLT
Reported as of: 27 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Oct 2025, 16:15:11 UTC
Prior SEC filing: 27 Oct 2025
Next SEC filing: 30 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Kristopher L. Hanson, Attorney-in-Fact

Key filing fact

Robert C. Malenka filed Form 4 for MapLight Therapeutics, Inc. (MPLT) on 28 Oct 2025.

Key facts

This page summarizes Robert C. Malenka's Form 4 filing for MapLight Therapeutics, Inc. (MPLT).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 28 Oct 2025, 16:15.

Change

Previous filing in this sequence was filed on 27 Oct 2025.
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 0002021198 Primary reporting owner

Malenka Robert C.

Relationship: Director
Address: C/O MAPLIGHT THERAPEUTICS, INC., 800 CHESAPEAKE DRIVE, REDWOOD CITY
Signature: /s/ Kristopher L. Hanson, Attorney-in-Fact
Signature date: 28 Oct 2025

Reported non-derivative transactions

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

MPLT transaction

Voting Common Stock

Award

Transaction value: $0
Shares: +34,390
Change %: +9.4%
Price: $0.000000
Shares after: 399,671
Date: 27 Oct 2025
Ownership: Direct
Footnotes: F1, F2

MPLT transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +3,895
Change %: +14%
Price
Shares after: 31,672
Date: 28 Oct 2025
Ownership: See footnote
Footnotes: F3, F4

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: $0
Shares: +139,610
Change %
Price: $0.000000
Shares after: 139,610
Date: 27 Oct 2025
Ownership: Direct
Underlying class: Voting Common Stock
Underlying amount: 139,610
Exercise price: $17.00
Footnotes: F5

MPLT transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value: $0
Shares: -65,477
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 28 Oct 2025
Ownership: See footnote
Underlying class: Voting Common Stock
Underlying amount: 3,895
Exercise price
Footnotes: F3, F4

^* 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. 25% of the RSUs shall vest on October 1, 2026, and 1/16th of the RSUs shall vest on each subsequent January 1, April 1, July 1 and October 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

The Series C Preferred Stock automatically converted into voting common stock upon the closing of the Issuer's initial public offering for no additional consideration, on a 1-for-16.8 basis, and had no expiration date.

Footnote F4

The shares are held by the Robert C. Malenka Living Trust U/A DTD 08/21/2012, of which the Reporting Person is the sole trustee and has voting and dispositive power.

Footnote F5

1/4th of the total shares underlying the option shall vest on October 1, 2026, 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.