Power Solutions International, Inc. SEC filings PSIX

Power Solutions International, Inc. has 889 filings in SEC EDGAR's recent list, going back to Aug 26, 2002. Its latest annual report, Form 10-K, was filed on Mar 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 30, 2026 (material agreement, agreement ended, new debt, other events). The company's fiscal year ends on December 31.

Power Solutions International, Inc. SEC filings
Form Description Filed Period
4 Insider transaction Aug 17, 2026 Aug 17, 2026
3 Initial insider ownership Aug 17, 2026 Aug 17, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2026 —
SCHEDULE 13G Ownership over 5% (passive) May 22, 2026 —
4 Insider transaction Apr 17, 2026 Mar 6, 2026
4 Insider transaction Apr 17, 2026 Mar 6, 2026
4 Insider transaction Feb 17, 2026 Feb 12, 2026
3 Initial insider ownership Jan 6, 2026 Oct 9, 2025
3 Initial insider ownership Jan 6, 2026 Oct 9, 2025
4 Insider transaction Dec 12, 2025 Dec 11, 2025
4 Insider transaction Dec 12, 2025 Dec 11, 2025
4 Insider transaction Dec 12, 2025 Dec 11, 2025
4 Insider transaction Dec 12, 2025 Dec 11, 2025
144/A Filing Sep 29, 2025 —
144 Notice of proposed sale Sep 29, 2025 —
3/A Filing Sep 24, 2025 Sep 15, 2025
3 Initial insider ownership Sep 24, 2025 Sep 8, 2025
144 Notice of proposed sale Sep 23, 2025 —
SCHEDULE 13D/A Amended ownership over 5% (active) Sep 22, 2025 —
4 Insider transaction Sep 15, 2025 Sep 11, 2025
4 Insider transaction Sep 12, 2025 Sep 10, 2025
4 Insider transaction Sep 12, 2025 Sep 10, 2025
144 Notice of proposed sale Sep 11, 2025 —
4 Insider transaction Sep 11, 2025 Sep 9, 2025
4 Insider transaction Sep 11, 2025 Sep 9, 2025
144 Notice of proposed sale Sep 10, 2025 —
4 Insider transaction Sep 10, 2025 Sep 8, 2025
144 Notice of proposed sale Sep 9, 2025 —
144 Notice of proposed sale Sep 9, 2025 —
144 Notice of proposed sale Sep 8, 2025 —
144 Notice of proposed sale Sep 5, 2025 —
4 Insider transaction Aug 28, 2025 Aug 26, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 28, 2025 —
4 Insider transaction Aug 27, 2025 Aug 25, 2025
4 Insider transaction Aug 27, 2025 Aug 25, 2025
4 Insider transaction Aug 27, 2025 Aug 25, 2025
4 Insider transaction Aug 26, 2025 Aug 22, 2025
4 Insider transaction Aug 25, 2025 Aug 21, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 25, 2025 —
144 Notice of proposed sale Aug 25, 2025 —
144 Notice of proposed sale Aug 25, 2025 —
4 Insider transaction Aug 22, 2025 Aug 20, 2025
4 Insider transaction Aug 21, 2025 Aug 19, 2025
4 Insider transaction Aug 20, 2025 Aug 18, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 19, 2025 —
4 Insider transaction Aug 18, 2025 Aug 14, 2025
4 Insider transaction Aug 15, 2025 Aug 13, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 15, 2025 —
4 Insider transaction Aug 15, 2025 Aug 13, 2025
4 Insider transaction Aug 14, 2025 Aug 12, 2025
4 Insider transaction Aug 14, 2025 Aug 12, 2025
4 Insider transaction Aug 14, 2025 Aug 12, 2025
4 Insider transaction Aug 14, 2025 Aug 12, 2025
144 Notice of proposed sale Aug 13, 2025 —
144 Notice of proposed sale Aug 12, 2025 —
144 Notice of proposed sale Aug 12, 2025 —
144 Notice of proposed sale Aug 8, 2025 —
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 7, 2025 —
3 Initial insider ownership Jul 31, 2025 Jul 24, 2025
4 Insider transaction Jul 22, 2025 Jul 18, 2025
4 Insider transaction Jun 13, 2025 Jun 11, 2025
4/A Filing Jun 12, 2025 May 30, 2025
4 Insider transaction Jun 4, 2025 Jun 2, 2025
4 Insider transaction Apr 23, 2025 Apr 21, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Apr 23, 2025 —
144 Notice of proposed sale Apr 21, 2025 —
4 Insider transaction Apr 15, 2025 Apr 11, 2025
144 Notice of proposed sale Apr 11, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 14, 2025 —
4 Insider transaction Jan 27, 2025 Jan 21, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Jan 23, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Jan 23, 2025 —
4 Insider transaction Jan 17, 2025 Jan 14, 2025
144 Notice of proposed sale Dec 31, 2024 —
4 Insider transaction Dec 30, 2024 Dec 23, 2024
4 Insider transaction Dec 16, 2024 Dec 12, 2024
4 Insider transaction Dec 16, 2024 Dec 12, 2024
4 Insider transaction Dec 16, 2024 Dec 12, 2024
4 Insider transaction Dec 4, 2024 Dec 2, 2024
4 Insider transaction Nov 7, 2024 Nov 5, 2024
144 Notice of proposed sale Nov 7, 2024 —
4 Insider transaction Oct 29, 2024 Oct 17, 2024
144 Notice of proposed sale Oct 16, 2024 —
4 Insider transaction Oct 9, 2024 Oct 1, 2024
4 Insider transaction Oct 7, 2024 Oct 3, 2024
4 Insider transaction Oct 1, 2024 Sep 27, 2024
4 Insider transaction Sep 26, 2024 Sep 24, 2024
4 Insider transaction Sep 24, 2024 Sep 19, 2024
4 Insider transaction Sep 10, 2024 Sep 6, 2024
4 Insider transaction Sep 6, 2024 Sep 4, 2024
144 Notice of proposed sale Sep 3, 2024 —
4 Insider transaction Jul 31, 2024 Jul 29, 2024
144 Notice of proposed sale Jul 29, 2024 —
4 Insider transaction Jul 29, 2024 Jul 23, 2024
144 Notice of proposed sale Jul 23, 2024 —
4 Insider transaction May 24, 2024 May 15, 2024
4 Insider transaction May 2, 2024 Apr 30, 2024
4 Insider transaction Apr 29, 2024 Mar 25, 2024
3 Initial insider ownership Mar 28, 2024 Mar 21, 2024
4 Insider transaction Mar 26, 2024 Mar 22, 2024
4 Insider transaction Mar 22, 2024 Mar 20, 2024
4 Insider transaction Mar 15, 2024 Mar 1, 2024
4 Insider transaction Mar 1, 2024 Feb 29, 2024
4 Insider transaction Feb 22, 2024 Feb 20, 2024
4 Insider transaction Feb 13, 2024 Feb 9, 2024
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2024 —
4 Insider transaction Jan 26, 2024 Jan 24, 2024
4 Insider transaction Jan 16, 2024 Dec 21, 2023
4 Insider transaction Jan 16, 2024 Dec 21, 2023
4 Insider transaction Jan 16, 2024 Dec 21, 2023
4 Insider transaction Sep 6, 2023 Aug 24, 2023
4 Insider transaction Aug 23, 2023 Aug 16, 2023
4 Insider transaction Aug 7, 2023 Jul 20, 2023
SC 13D/A Amended ownership over 5% (active) Aug 7, 2023 —
3 Initial insider ownership Jul 26, 2023 Jul 25, 2023
4 Insider transaction May 26, 2023 May 24, 2023
4/A Form 4/a submission May 4, 2023 Apr 25, 2023
4 Insider transaction Apr 28, 2023 Apr 26, 2023
4 Insider transaction Apr 26, 2023 Apr 25, 2023
4 Insider transaction Apr 26, 2023 Apr 25, 2023
3 Initial insider ownership Mar 31, 2023 Mar 29, 2023
SC 13G/A Amended ownership over 5% (passive) Feb 6, 2023 —
4 Insider transaction Jan 30, 2023 Jan 26, 2023
4 Insider transaction Jan 13, 2023 Jan 11, 2023
4 Insider transaction Jan 11, 2023 Jan 9, 2023
4 Insider transaction Jan 9, 2023 Jan 5, 2023
4 Insider transaction Jan 5, 2023 Jan 3, 2023
4 Insider transaction Dec 13, 2022 Dec 9, 2022
4 Insider transaction Dec 5, 2022 Dec 2, 2022
4 Insider transaction Dec 1, 2022 Nov 30, 2022
4 Insider transaction Nov 30, 2022 Nov 28, 2022
4 Insider transaction Nov 28, 2022 Nov 23, 2022
4 Insider transaction Nov 25, 2022 Nov 15, 2022
4 Insider transaction Nov 23, 2022 Nov 22, 2022
4 Insider transaction Nov 22, 2022 Nov 21, 2022
4 Insider transaction Nov 21, 2022 Nov 17, 2022
4 Insider transaction Nov 17, 2022 Nov 15, 2022
4 Insider transaction Sep 27, 2022 Sep 26, 2022
4 Insider transaction Sep 26, 2022 Sep 23, 2022
3 Initial insider ownership Sep 23, 2022 Sep 16, 2022
4 Insider transaction Sep 21, 2022 Sep 20, 2022
4 Insider transaction Sep 16, 2022 Sep 15, 2022
4 Insider transaction Sep 16, 2022 Sep 15, 2022
4 Insider transaction Sep 16, 2022 Sep 15, 2022
4 Insider transaction Sep 16, 2022 Sep 15, 2022
4 Insider transaction Sep 15, 2022 Sep 14, 2022
4 Insider transaction Sep 6, 2022 Sep 2, 2022
4 Insider transaction Sep 6, 2022 Sep 2, 2022
4 Insider transaction Sep 6, 2022 Sep 2, 2022
3 Initial insider ownership Sep 2, 2022 Aug 29, 2022
4 Insider transaction Aug 30, 2022 Aug 29, 2022
4 Insider transaction Aug 29, 2022 Aug 25, 2022
4 Insider transaction Aug 24, 2022 Aug 22, 2022
4 Insider transaction Aug 17, 2022 Aug 15, 2022
3 Initial insider ownership Jul 20, 2022 Jun 13, 2022
4 Insider transaction Jul 18, 2022 Jul 15, 2022
3 Initial insider ownership Apr 18, 2022 Apr 8, 2022
4 Insider transaction Mar 25, 2022 Mar 18, 2022
4 Insider transaction Mar 25, 2022 Feb 24, 2021
4 Insider transaction Mar 25, 2022 Mar 18, 2022
4 Insider transaction Feb 17, 2022 Jan 21, 2021
4 Insider transaction Feb 8, 2022 Feb 1, 2022
4 Insider transaction Feb 2, 2022 Jan 31, 2022
4 Insider transaction Feb 1, 2022 Dec 22, 2021
4 Insider transaction Feb 1, 2022 Dec 22, 2021
4 Insider transaction Feb 1, 2022 Dec 22, 2021
4 Insider transaction Feb 1, 2022 Dec 22, 2021
3 Initial insider ownership Feb 1, 2022 Jan 27, 2022
SC 13G/A Amended ownership over 5% (passive) Feb 1, 2022 —
4 Insider transaction Jan 24, 2022 Dec 22, 2021
3 Initial insider ownership Jan 24, 2022 Dec 7, 2021
3 Initial insider ownership Jan 24, 2022 Dec 7, 2021
4 Insider transaction Jan 19, 2022 Jan 11, 2021
SC 13G/A Amended ownership over 5% (passive) Jan 12, 2022 —
4 Insider transaction Jan 11, 2022 Dec 31, 2021
4 Insider transaction Dec 23, 2021 Dec 9, 2021
4 Insider transaction Nov 19, 2021 Nov 4, 2021
4 Insider transaction Nov 1, 2021 Oct 25, 2021
4 Insider transaction Oct 25, 2021 Oct 13, 2021
4 Insider transaction Sep 13, 2021 Sep 1, 2021
4 Insider transaction Aug 9, 2021 Jul 27, 2021
4 Insider transaction Jul 26, 2021 Jul 15, 2021
4 Insider transaction Jul 21, 2021 Jun 18, 2021
3 Initial insider ownership Jul 21, 2021 Aug 20, 2019
4 Insider transaction Jul 19, 2021 Jun 18, 2021
4 Insider transaction Jul 19, 2021 Jun 18, 2021
4 Insider transaction Jul 19, 2021 Jun 18, 2021
4 Insider transaction Jul 15, 2021 Jul 8, 2021
4 Insider transaction Jul 2, 2021 Jun 28, 2021
4 Insider transaction Jun 29, 2021 Jun 21, 2021
4 Insider transaction May 17, 2021 May 10, 2021
4 Insider transaction May 10, 2021 May 5, 2021
4 Insider transaction May 5, 2021 Apr 29, 2021
4 Insider transaction May 4, 2021 Apr 27, 2021
4 Insider transaction Apr 27, 2021 Apr 23, 2021
4 Insider transaction Apr 15, 2021 Apr 13, 2021
4 Insider transaction Apr 13, 2021 Apr 7, 2021
4 Insider transaction Mar 26, 2021 Mar 22, 2021
4 Insider transaction Mar 25, 2021 Mar 11, 2021

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Engines & Turbines (SIC 3510)
Listed as
PSIX (Nasdaq)
Fiscal year ends
December 31
Incorporated in
IL
Headquarters
Wood Dale, IL
SEC filer status
Large accelerated filer
SEC CIK
1137091
Former names
FORMAT INC (until May 3, 2011); FORMAT INC /FA/ (until Jan 14, 2004)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.