Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001213900-25-076588
Filing Date
2025-08-14
Accepted
2025-08-14 16:00:18
Documents
3
Period of Report
2025-08-12

Document Format Files

Seq Description Document Type Size
1 ownership.html 4  
1 ownership.xml 4 29063
2 POWER OF ATTORNEY (WEICHAI POWER CO., LTD.) ea025258901ex24-1_power.htm EX-24.1 4809
3 POWER OF ATTORNEY (SHANDONG HEAVY INDUSTRY GROUP CO., LTD.) ea025258901ex24-2_power.htm EX-24.2 4750
  Complete submission text file 0001213900-25-076588.txt   41578
Mailing Address 201 MITTEL DRIVE WOOD DALE IL 60191
Business Address 201 MITTEL DRIVE WOOD DALE IL 60191 630-350-9400
POWER SOLUTIONS INTERNATIONAL, INC. (Issuer) CIK: 0001137091 (see all company filings)

EIN.: 330963637 | State of Incorp.: IL | Fiscal Year End: 1231
SIC: 3510 Engines & Turbines
(CF Office: 06 Technology)

Mailing Address 3100 GOLF ROAD ROLLING MEADOWS IL 60008
Business Address 3100 GOLF ROAD ROLLING MEADOWS IL 60008 847-725-7030
Weichai America Corp. (Reporting) CIK: 0001702521 (see all company filings)

State of Incorp.: IL | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35944 | Film No.: 251218370

Mailing Address #40-1 YANZI SHAN WEST ROAD JINAN, SHANDONG PROVINCE F4 250014
Business Address #40-1 YANZI SHAN WEST ROAD JINAN, SHANDONG PROVINCE F4 250014 0531-82623823
Shandong Heavy Industry Group Co., Ltd. (Reporting) CIK: 0001703252 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35944 | Film No.: 251218368

Mailing Address SECTION A 197, FU SHOU EAST STREET HIGH TECHNOLOGY INDUSTRIAL DEVELOP. ZONE WEIFANG, SHANDONG PROVINCE F4 261061
Business Address SECTION A 197, FU SHOU EAST STREET HIGH TECHNOLOGY INDUSTRIAL DEVELOP. ZONE WEIFANG, SHANDONG PROVINCE F4 261061 0531-82623823
Weichai Power Co., Ltd. (Reporting) CIK: 0001703367 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-35944 | Film No.: 251218369