PSIX Insider Sale: Director He Hong Sells 2,500 Shares at $90.03

He Hong, a director of Power Solutions International, Inc. (PSIX), reported a sale of 2,500 shares of the issuer's common stock on 08/13/2025 at a price of $90.026 per share.

Rhea-AI Filing Summary

He Hong, a director of Power Solutions International, Inc. (PSIX), reported a sale of 2,500 shares of the issuer's common stock on 08/13/2025 at a price of $90.026 per share. Following the reported transaction, He Hong beneficially owns 26,250 shares in a direct capacity. The filing contains no derivative transactions and is signed by the reporting person on 08/15/2025.

Insights

Corporate Governance Expert

TL;DR: Routine insider sale by a director; not a material governance event on its face.

The Form 4 shows a single non-derivative disposition of 2,500 shares at $90.026, leaving the director with 26,250 directly held shares. This appears to be a standard liquidity event rather than a transfer that alters control or governance. No related-party or option exercises are reported, and no plan-based notation is present in the filing.

Securities Analyst

TL;DR: Insider sale recorded; impact on valuation is likely negligible given the size disclosed.

The sale quantity is modest relative to typical outstanding share counts for public companies and involves a single trade price of $90.026. There are no derivative positions or additional transactions disclosed, so this filing provides limited new information for financial modeling or valuation adjustments.

Insider Trade Summary

Net Seller: 2,500 shares

Net Sell 1 txn

Insider He Hong

Role Director

Sold 2,500 shs ($225K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,500	$90.026	$225K

Holdings After Transaction: Common Stock — 26,250 shares (Direct)

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

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Accepted by SEC EDGAR 08/15/2025 - 12:07 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^*

He Hong

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

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	08/13/2025		S		2,500	D	$90.026	26,250	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:

	/s/ Hong He	08/15/2025
	** 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.
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