Power Solutions International (PSIX) director awarded 5,000 restricted shares

Rhea-AI Filing Summary

Power Solutions International, Inc. director Courtney Shea reported receiving 5,000 shares of restricted common stock on December 11, 2025. The grant was made at a reported price of $0 per share under the company's 2012 Incentive Compensation Plan, as amended and restated, and is governed by a Restricted Stock Agreement dated December 11, 2025. Subject to specified conditions, all 5,000 shares are scheduled to vest on July 24, 2026. After this award, Courtney Shea beneficially owns 5,000 shares of Power Solutions International common stock, held directly.

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

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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^*

Shea Courtney C.

(Last) (First) (Middle)

201 MITTEL DR.

(Street)

WOOD DALE IL 60191

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
POWER SOLUTIONS INTERNATIONAL, INC. [ PSIX ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

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

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

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

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
Common Stock	12/11/2025		A		5,000(1)	A	$0	5,000	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 Common Stock in the form of restricted stock granted under Issuer's 2012 Incentive Compensation Plan as amended and restated and subject to certain restrictions contained in a Restricted Stock Agreement, dated as of December 11, 2025, between Issuer and Courtney Shea. Subject to certain conditions, 5,000 shares will vest on July 24, 2026.

	/s/ Courtney Shea	12/12/2025
	** 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.

FAQ

What insider transaction did Power Solutions International (PSIX) report for Courtney Shea?

Power Solutions International reported that director Courtney Shea received a grant of 5,000 shares of restricted common stock on December 11, 2025 under the company's 2012 Incentive Compensation Plan.

What is Courtney Sheas role at Power Solutions International (PSIX)?

The filing identifies Courtney Shea as a director of Power Solutions International, Inc., and not as a 10% owner.

How many PSIX shares were granted to Courtney Shea and at what reported price?

Courtney Shea was granted 5,000 shares of Power Solutions International common stock in the form of restricted stock, at a reported price of $0 per share.

When do Courtney Sheas restricted PSIX shares vest?

According to the filing, and subject to certain conditions, all 5,000 restricted shares granted to Courtney Shea will vest on July 24, 2026.

How many Power Solutions International (PSIX) shares does Courtney Shea beneficially own after this transaction?

Following the reported transaction, Courtney Shea beneficially owns 5,000 shares of Power Solutions International common stock, held in direct ownership.

Under what plan was Courtney Sheas restricted stock in PSIX granted?

The restricted stock grant to Courtney Shea was made under Power Solutions International's 2012 Incentive Compensation Plan, as amended and restated, and is documented in a Restricted Stock Agreement dated December 11, 2025.