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

Rhea-AI Filing Summary

He Hong, a director of Power Solutions International, Inc. (PSIX), reported sales of company common stock on 09/09/2025. The Form 4 shows two dispositions totaling 4,000 shares: 1,500 shares sold at $90 per share and 2,500 shares sold at an average price of $92.31 (reported range $92.00 to $92.55). Following the transactions the reporting person’s beneficial ownership declined from 25,750 shares to 21,250 shares based on the successive post-sale balances reported as 23,750 and then 21,250 shares. The filing is signed by Hong He on 09/11/2025 and includes an explanatory footnote about the average price for the second sale.

Positive

• None.

Negative

• Director sale of 4,000 shares reduced reported direct beneficial ownership to 21,250 shares, which may be interpreted negatively by investors
• No indication of a 10b5-1 plan or explanatory context in the filing, leaving the purpose of the sales unclear

Insights

Financial Analyst

TL;DR: Director sold 4,000 PSIX shares on 09/09/2025, reducing beneficial ownership to 21,250 shares.

The disclosed transactions are routine open-market dispositions totaling 4,000 shares executed at prices between $90.00 and $92.55. The sales reduced reported direct beneficial ownership from 25,750 shares to 21,250 shares based on the successive post-transaction balances. There is no accompanying information about the purpose of the sales, pledges, or derivative transactions in this filing. On its face, this Form 4 documents standard director selling activity and does not disclose additional company financial metrics or material corporate events.

Corporate Governance Expert

TL;DR: Insider disposition of 4,000 PSIX shares could be viewed unfavorably but the filing provides only transaction details.

From a governance perspective, director sales are reportable and have been properly disclosed here with post-transaction ownership figures and a signed Form 4. The filing includes a footnote clarifying that the $92.31 figure is an average for multiple executions between $92.00 and $92.55. The absence of context (e.g., Rule 10b5-1 plan reference is not checked) means stakeholders only have transactional facts; interpretation of intent or materiality requires additional information not present in this document.

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^*

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)
09/09/2025

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	09/09/2025		S		1,500	D	$90	23,750	D
Common Stock	09/09/2025		S		2,500	D	$92.31(1)	21,250	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:

1. The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $92.00 to $92.55. The reporting person undertakes to provide 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 sold at each separate price within the range set forth in this footnote.

	/s/ Hong He	09/11/2025
	** 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 He Hong report on the Form 4 for PSIX?

The filing reports two sales on 09/09/2025 totaling 4,000 shares: 1,500 at $90.00 and 2,500 at an average of $92.31 (range $92.00–$92.55).

How many PSIX shares does the reporting person own after the transactions?

The Form 4 shows successive post-sale beneficial ownership balances of 23,750 and then 21,250 shares; the final reported balance is 21,250 shares.

When were the transactions and when was the Form 4 signed?

Transactions occurred on 09/09/2025 and the Form 4 was signed by Hong He on 09/11/2025.

Does the Form 4 indicate the trades were under a 10b5-1 plan?

No. The filing does not indicate the transactions were made pursuant to a Rule 10b5-1 trading plan.

What price range is disclosed for the 2,500-share sale?

The filing footnote states those shares were sold at prices ranging from $92.00 to $92.55, with $92.31 reported as an average.