Power Solutions Insider Sale: 10,000 PSIX Shares Disposed

Rhea-AI Filing Summary

Frank P. Simpkins, a director of Power Solutions International, Inc. (PSIX), reported the sale of 10,000 shares of the issuer's common stock on 08/25/2025 at a weighted average price of $91.638 per share. After the reported sale, the filing shows the reporting person beneficially owned 25,000 shares directly. The filing notes the sale occurred in multiple transactions at prices ranging from $91.55 to $91.93 and offers to provide the exact allocation on request.

Positive

• Transaction transparency: Filing discloses weighted average price and explicit price range ($91.55 to $91.93).
• Post-sale ownership disclosed: Reporting person still directly beneficially owns 25,000 shares.

Negative

• Insider sale occurred: Director disposed of 10,000 shares, which investors may view as a potential negative signal depending on context.

Insights

Corporate Governance Expert

TL;DR: Director sale of 10,000 shares reported; ownership retained at 25,000 shares, appears to be a routine disposition.

The Form 4 discloses a direct sale by a director totaling 10,000 shares at a weighted average of $91.638, leaving the director with 25,000 shares. The filing includes the required footnote describing multiple trade prices within a narrow $0.38 range and the director's offer to provide granular allocation on request. There is no indication in this filing of accelerated insider activity, planned trading program, or derivative transactions. Material details are limited to the quantity sold, price range, and post-transaction beneficial ownership.

Securities Analyst

TL;DR: Insider sale reported; transaction size and price range are disclosed, with post-sale ownership unchanged by derivatives.

The disclosure is concise: a sale date of 08/25/2025, 10,000 shares sold at a weighted average price of $91.638, price range $91.55 to $91.93, and 25,000 shares retained. No options, grants, or derivative instruments are reported on this Form 4. From an investor-disclosure perspective, this is a clear, routine Form 4 reporting a direct disposition by a director with full price-range transparency via the explanatory footnote.

Insider Trade Summary

Net Seller: 10,000 shares ($916,380)

Net Sell 1 txn

Insider SIMPKINS FRANK P

Role Director

Sold 10,000 shs ($916K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$91.638	$916K

Holdings After Transaction: Common Stock — 25,000 shares (Direct)

Footnotes (1)

1. [object Object]

Form 4 Insider Transactions: What Each Field Means →

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^*

SIMPKINS FRANK P

(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)
08/25/2025

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	08/25/2025		S		10,000	D	$91.638(1)	25,000	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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.55 to $91.93. 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/ Frank P Simpkins	08/27/2025
	** 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 the Form 4 for PSIX filed by Frank P. Simpkins disclose?

The Form 4 reports that director Frank P. Simpkins sold 10,000 shares on 08/25/2025 at a weighted average price of $91.638 and now beneficially owns 25,000 shares.

At what prices were the PSIX shares sold according to the filing?

The filing states the sales occurred at prices ranging from $91.55 to $91.93, with a weighted average of $91.638.

Does the Form 4 report any derivative transactions or option exercises for PSIX?

No. Table II for derivative securities is blank in this filing; only a non-derivative disposition of common stock is reported.

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

The filing shows the reporting person beneficially owns 25,000 shares following the reported transaction.

Was the Form 4 filed jointly or by a single reporting person?

The filing indicates it was filed by one reporting person.