Power Solutions International (PSIX) director He Hong sells 4,000 shares

Rhea-AI Filing Summary

Power Solutions International, Inc. director He Hong reported selling a total of 4,000 shares of common stock on September 9, 2025, in two open-market or private transactions: 1,500 shares at $90.00 and 2,500 shares at $92.31 per share. A footnote notes that a reported price reflects an average across trades between $92.00 and $92.55. Following these sales, He Hong directly holds 21,250 common shares.

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.

Insider Trade Summary

Net Seller: 4,000 shares

Net Sell 2 txns

Insider He Hong

Role Director

Sold 4,000 shs ($366K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,500	$90.00	$135K
Sale	Common Stock	2,500	$92.31	$231K

Holdings After Transaction: Common Stock — 21,250 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Total shares sold: 4,000 shares First sale price: $90.0000 per share Second sale price: $92.3100 per share +2 more

5 metrics

Total shares sold 4,000 shares Common stock sold by He Hong on September 9, 2025

First sale price $90.0000 per share Price for 1,500-share sale on September 9, 2025

Second sale price $92.3100 per share Price for 2,500-share sale on September 9, 2025

Post-transaction holdings 21,250 shares Direct common stock position held by He Hong after reported sales

Footnote price range $92.00–$92.55 per share Range of prices for multiple transactions referenced in the footnote

Key Terms

open market or private transaction, average price, multiple transactions

3 terms

open market or private transaction regulatory

"Sale in open market or private transaction"

average price financial

"The price reported in Column 4 is an average price."

multiple transactions financial

"These shares were sold in multiple transactions at prices ranging from $92.00 to $92.55."

FAQ

What stock sale did PSIX director He Hong report?

He Hong reported selling 4,000 PSIX common shares in two transactions on September 9, 2025. The sales were executed at $90.00 and $92.31 per share, and after these trades he directly holds 21,250 Power Solutions International shares.

At what prices did He Hong sell Power Solutions International (PSIX) shares?

He Hong sold shares at $90.00 and $92.31 per share in two reported transactions. A filing footnote adds that one reported price is an average across multiple trades within a range of $92.00 to $92.55 per share.

How many PSIX shares does He Hong own after the reported transactions?

After the reported sales, He Hong directly owns 21,250 PSIX common shares. This post-transaction holding is disclosed as his direct position in Power Solutions International, separate from the 4,000 shares sold on September 9, 2025.

Were He Hong's PSIX share sales open-market transactions?

The filing classifies He Hong’s trades as "Sale in open market or private transaction". This description covers both typical exchange trades and privately negotiated transactions for the 4,000 Power Solutions International shares sold.

How many PSIX shares did He Hong sell in total on September 9, 2025?

He Hong sold a total of 4,000 PSIX common shares on September 9, 2025. The sales occurred in two blocks: 1,500 shares at $90.00 per share and 2,500 shares at $92.31 per share, according to the insider report.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 09/11/2025 - 04:05 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^*

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.