Frank P. Simpkins - 25 Aug 2025 Form 4 Insider Report for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX)

Role: Director
Signature: /s/ Frank P Simpkins
Issuer symbol: PSIX
Transactions as of: 25 Aug 2025
Net transactions value: -$916,380
Form type: 4
Filing time: 27 Aug 2025, 14:01:58 UTC
Previous filing: 14 Aug 2025
Next filing: 12 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SIMPKINS FRANK P	Director	C/O 201 MITTEL DRIVE, WOOD DALE	/s/ Frank P Simpkins	27 Aug 2025	0001353839

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PSIX	Common Stock	Sale	$916,380	-10,000	-29%	$91.64	25,000	25 Aug 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.

Content

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.