Gary S. Winemaster - 18 Sep 2025 SCHEDULE 13D/A Report for POWER SOLUTIONS INTERNATIONAL, INC. Common Stock (PSIX)

Filing Manager: Gary S. Winemaster
Reporting Manager: Gary S. Winemaster
Security: POWER SOLUTIONS INTERNATIONAL, INC. Common Stock
Symbol: PSIX
Shares outstanding: 23,099,349 shares
Disclosed Ownership: 1,455,259 shares
Ownership: 6.3%
Form type: SCHEDULE 13D/A
Filing time: 22 Sep 2025, 16:24:05 UTC
Date of event: 18 Sep 2025
Previous filing: 07 Aug 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Gary S. Winemaster	6.3%	1,455,259	1,454,578	681	/s/ Gary S. Winemaster	Gary S. Winemaster	0001517040