Weichai America Corp.

13D and 13G Filings

Issuer	Symbol	CUSIP	% of Class	Shares	Form	Filed
Schedule 13D · 1 security · may seek to influence control
Power Solutions International, Inc. 13D/A PSIX · 73933G202	PSIX	73933G202	46.5%	10,716,152	13D/A	8/28/2025 Event 8/26/2025
Weichai America Corp.			46.5%	10,716,152
Weichai Power Co., Ltd.			46.5%	10,716,152
Shandong Heavy Industry Group Co., Ltd.			46.5%	10,716,152

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.