Gary S. Winemaster - Sep 18, 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: 23.1M shares
Disclosed Ownership: 1.46M shares
Ownership: 6.3%
Form type: SCHEDULE 13D/A
Date filed: 9/22/2025, 04:24 PM
Date of event: Sep 18, 2025
Previous filing: Aug 7, 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%	1.46M	1.45M	681	/s/ Gary S. Winemaster	Gary S. Winemaster	0001517040