POWER SOLUTIONS INTERNATIONAL, INC.

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

FY: Dec 31 2022

FY: Dec 31 2022

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Regulation FD Disclosure

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Regulation FD Disclosure

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Regulation FD Disclosure

2.02,9.01

Registration of Securities on Exchange (amendment)

Certification of approval for listing and registration on a national securities exchange

Registration of Securities on Exchange

No description available

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Prospectus Supplement for Delayed or Continuous Offering

Registration statement under Securities Act of 1933

Prospectus Supplement for Delayed or Continuous Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement with Pricing Information

No description available

Notice of Effectiveness

Amended Initial Registration Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Hu Nan (Richard)

Hu Nan (Richard)

Point72 Asset Management, L.P.

Point72 Asset Management, L.P.

Li Xun

Du Zhaoying

Li Xun

Jin Zhao

Yang Xuesen

He Hong

Shea Courtney C.

Du Zhaoying

SIMPKINS FRANK P

Landini Kenneth W

Landini Kenneth W

Du Zhaoying

Du Zhaoying

Landini Kenneth W

Winemaster Gary S

Weichai America Corp.; Weichai Power Co., Ltd.; Shandong Heavy Industry Group Co., Ltd.

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

No description available

Specialized Disclosure Report

No description available

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report