[Form 4] Power Solutions International, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Power Solutions International (PSIX) CFO Li Xun exercised stock appreciation rights and received common stock. On 08/12/2025 the reporting person exercised 15,000 SARs that vest in two equal installments on 09/02/2025 and 09/02/2026. The net exercise resulted in receipt of 8,221 shares of common stock, while 6,779 underlying shares were withheld to cover the exercise price and withholding taxes. After these transactions the reporting person directly beneficially owns 15,000 shares of common stock. The Form 4 was signed on 08/14/2025 and filed as a single reporting person filing.

Positive

• CFO conversion of SARs into equity increases insider share ownership to 15,000 shares
• Clear disclosure of net settlement: 6,779 shares withheld for exercise price and taxes, leaving 8,221 shares delivered

Negative

• None.

Insights

Securities Analyst

TL;DR: CFO net-exercised SARs into 8,221 shares; sizable withholding reduced share delivery, signaling routine compensation realization.

The filing documents an internal compensation transaction rather than an open-market purchase or sale. Exercising 15,000 stock appreciation rights converted into 8,221 shares after withholding 6,779 shares for exercise price and taxes, consistent with cashless/net settlement mechanics. The SARs have scheduled vesting on 09/02/2025 and 09/02/2026, and the reporting person holds 15,000 shares post-transaction. This is informational for ownership tracking and dilution accounting but does not, by itself, indicate a change in company fundamentals.

Corporate Governance Expert

TL;DR: Transaction reflects standard executive compensation settlement with tax withholding; disclosure complies with Section 16 reporting.

The Form 4 identifies Li Xun as an officer (CFO) and reports the net exercise mechanics and withholding. The disclosure is timely and shows internal alignment of executive compensation with equity incentives. The vesting schedule disclosure clarifies when remaining SARs become exercisable. No departures from expected governance disclosure practices are apparent in this filing.

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
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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^*

Li Xun

(Last) (First) (Middle)

C/O 201 MITTEL DRIVE

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/12/2025

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	08/12/2025		M		15,000	A	$2	15,000	D
Common Stock	08/12/2025		F(1)		6,779	D	$95.45	8,221	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
Stock Appreciation Rights	$2	08/12/2025		M			15,000	(2)	09/02/2032	Common Stock	15,000(2)	$0	15,000	D

Explanation of Responses:

1. The reporting person received 8,221 shares of common stock upon the net exercise of 15,000 stock appreciation rights ("SARs"). A total of 6,779 shares of common stock underlying such SARs were withheld in payment of the exercise price and to satisfy the withholding tax obligation resulting from the exercise.

2. The SAR vests and becomes exercisable in two equal installments on each of September 2, 2025 and September 2, 2026.

	/s/ Xun Li	08/14/2025
	** 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 did PSIX insider Li Xun do on 08/12/2025?

The reporting person exercised 15,000 SARs on 08/12/2025 and received 8,221 shares after withholding 6,779 shares for the exercise price and taxes.

How many PSIX shares does Li Xun beneficially own after the transaction?

The filing reports Li Xun beneficially owns 15,000 shares following the reported transaction.

What was the price associated with the withheld shares?

The Form 4 shows the withheld shares related to a $95.45 per-share calculation for the disposition line, and a $2 conversion/exercise price for the SARs.

When do the remaining SARs vest for Li Xun?

The SARs vest in two equal installments on 09/02/2025 and 09/02/2026.

Was this Form 4 filed jointly or by one reporting person?

The form was filed by one reporting person and was signed on 08/14/2025.