MapLight Therapeutics' Kreitzer sells 12,248 shares

The transaction was tied to restricted-stock-unit vesting and the issuer’s minimum statutory tax-withholding requirement, not a discretionary sale.

Rhea-AI Filing Summary

MapLight Therapeutics, Inc. (MPLT) Chief Discovery Officer Anatol Kreitzer sold 12,248 shares of voting common stock on October 15, 2026, at $7.84 per share. The sale covered statutory tax withholding tied to vesting restricted stock units and was required under the issuer’s equity incentive plans, rather than discretionary. Kreitzer directly held 168,678 shares after the transaction. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 12,248 shares

Net Sell 1 txn

Insider Kreitzer Anatol

Role Chief Discovery Officer

Sold 12,248 shs ($96K)

Type	Security	Shares	Price	Value
Sale	Voting Common Stock F1	12,248	$7.84	$96K

Holdings After Transaction: Voting Common Stock — 168,678 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares sold: 12,248 shares Sale price per share: $7.84 per share Direct shares held after transaction: 168,678 shares

3 metrics

Shares sold 12,248 shares October 15, 2026

Sale price per share $7.84 per share Sale on October 15, 2026

Direct shares held after transaction 168,678 shares After the October 15, 2026 transaction

Key Terms

restricted stock units, statutory tax withholding obligations, sell to cover

3 terms

restricted stock units financial

"vesting of the restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

statutory tax withholding obligations financial

"cover the statutory tax withholding obligations"

sell to cover financial

"funded by a "sell to cover" transaction"

Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did MPLT Chief Discovery Officer Anatol Kreitzer sell, and at what price?

Anatol Kreitzer sold 12,248 shares of MapLight Therapeutics (MPLT) voting common stock on October 15, 2026, at $7.84 per share; he directly held 168,678 shares afterward. No Rule 10b5-1 plan is reported.

Why did Anatol Kreitzer sell MPLT shares?

The sale covered statutory tax withholding obligations connected with vesting restricted stock units. Under the issuer’s election in its equity incentive plans, minimum statutory withholding obligations are funded through a sell-to-cover transaction; the footnote says the sale was not discretionary.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/16/2026 - 05:00 PM EDT Accepted by SEC EDGAR 10/16/2026 - 05:00 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kreitzer Anatol

(Last) (First) (Middle)

C/O MAPLIGHT THERAPEUTICS, INC.

800 CHESAPEAKE DRIVE

(Street)

REDWOOD CITY CALIFORNIA 94063

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MapLight Therapeutics, Inc. [ MPLT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Discovery Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	10/15/2026		S		12,248(1)	D	$7.84	168,678	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. 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.

	/s/ Kristopher L. Hanson, Attorney-in-Fact	10/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)