MapLight Therapeutics director buys 15,620 shares

MapLight Therapeutics, Inc. director Troy Cox, through a revocable trust, purchased 15,620 shares of Voting Common Stock on July 28, 2026 at a weighted-average price of $9.5200 per share, with individual trade prices ranging from $9.305 to $9.78.

Rhea-AI Filing Summary

MapLight Therapeutics, Inc. director Troy Cox, through a revocable trust, purchased 15,620 shares of Voting Common Stock on July 28, 2026 at a weighted-average price of $9.5200 per share, with individual trade prices ranging from $9.305 to $9.78.

After this purchase, the trust holds 15,620 shares, and Cox also directly owns 7,864 shares of MapLight Therapeutics Voting Common Stock.

Insider Trade Summary

Net Buyer: 15,620 shares

Net Buy 2 txns

Insider Cox Troy

Role Director

Bought 15,620 shs ($149K)

Type	Security	Shares	Price	Value
Purchase	Voting Common Stock F1, F2	15,620	$9.52	$149K
holding	Voting Common Stock	--	--	--

Holdings After Transaction: Voting Common Stock — 15,620 shares (Indirect, By trust); Voting Common Stock — 7,864 shares (Direct)

Footnotes (2)

1. F1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.305 to $9.78 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
2. F2. The shares are held by the Troy M Cox & Adeo C Alday JT Revocable Trust dtd 5/28/25, of which the Reporting Person is co-trustee with his spouse and has voting and dispositive power.

Key Figures

Shares purchased: 15,620 shares Weighted-average purchase price: $9.5200 per share Purchase price range: $9.305 to $9.78 per share +2 more

5 metrics

Shares purchased 15,620 shares Voting Common Stock bought on July 28, 2026 by revocable trust associated with director Troy Cox

Weighted-average purchase price $9.5200 per share Average price for the 15,620 Voting Common Stock shares purchased on July 28, 2026

Purchase price range $9.305 to $9.78 per share Range of prices across multiple purchase executions on July 28, 2026

Indirect holdings after transaction 15,620 shares Voting Common Stock held by Troy M Cox & Adeo C Alday JT Revocable Trust after purchase

Direct holdings after transaction 7,864 shares Voting Common Stock directly owned by Troy Cox after the reported transactions

Key Terms

Voting Common Stock, weighted average price, Revocable Trust, dispositive power

4 terms

Voting Common Stock financial

"security_title: "Voting Common Stock" for the reported transactions"

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Revocable Trust financial

"Troy M Cox & Adeo C Alday JT Revocable Trust dtd 5/28/25"

A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

dispositive power financial

"the Reporting Person is co-trustee with his spouse and has voting and dispositive power."

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

FAQ

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

What insider share purchase did Troy Cox report for MPLT?

Director Troy Cox reported buying 15,620 shares of MapLight Therapeutics Voting Common Stock on July 28, 2026 at a weighted-average price of $9.5200 per share, with individual trades executed between $9.305 and $9.78.

How many MPLT shares does Troy Cox hold after the reported transactions?

Following the reported activity, a revocable trust associated with Troy Cox holds 15,620 shares of MapLight Therapeutics Voting Common Stock, and he also has 7,864 shares held directly in his own name.

How were the MPLT shares purchased by Troy Cox priced?

The 15,620 shares of MapLight Therapeutics Voting Common Stock were bought at a weighted-average price of $9.5200 per share, across multiple trades priced between $9.305 and $9.78 on July 28, 2026.

Were Troy Cox’s MPLT share purchases made through a trust?

Yes. The 15,620 shares of MapLight Therapeutics Voting Common Stock are held by the Troy M Cox & Adeo C Alday JT Revocable Trust, where Cox serves as co-trustee with his spouse and has voting and dispositive power.

Was Troy Cox’s MPLT share purchase under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox was not marked, so this 15,620-share purchase in MapLight Therapeutics stock is not reported as being executed under a pre-arranged 10b5-1 trading plan.

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

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Available on EDGAR 07/28/2026 - 09:15 PM Accepted by SEC EDGAR 07/28/2026 - 09:14 PM 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^*

Cox Troy

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2026

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	07/28/2026		P		15,620	A	$9.52(1)	15,620	I	By trust(2)
Voting Common Stock								7,864	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. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.305 to $9.78 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

2. The shares are held by the Troy M Cox & Adeo C Alday JT Revocable Trust dtd 5/28/25, of which the Reporting Person is co-trustee with his spouse and has voting and dispositive power.

	/s/ Kristopher L. Hanson, Attorney-in-Fact	07/28/2026
	** 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)