Frank P. Simpkins - 11 Dec 2025 Form 4 Insider Report for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX)

Reporting relationship: Director
Issuer ticker: PSIX
Reported as of: 11 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Dec 2025, 18:36:04 UTC
Prior SEC filing: 27 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ Frank Simpkins

Key filing fact

Frank P. Simpkins filed Form 4 for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) on 12 Dec 2025.

Key facts

This page summarizes Frank P. Simpkins's Form 4 filing for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 Dec 2025, 18:36.

Change

Previous filing in this sequence was filed on 27 Aug 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001353839 Primary reporting owner

SIMPKINS FRANK P

Relationship: Director
Address: 201 MITTEL DR., WOOD DALE
Signature: /s/ Frank Simpkins
Signature date: 12 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PSIX transaction

Common Stock

Award

Transaction value: $0
Shares: +5,000
Change %: +20%
Price: $0.000000
Shares after: 30,000
Date: 11 Dec 2025
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents Common Stock in the form of restricted stock granted under Issuer's 2012 Incentive Compensation Plan as amended and restated and subject to certain restrictions contained in a Restricted Stock Agreement, dated as of December 11, 2025, between Issuer and Frank P. Simpkins. Subject to certain conditions, 5,000 shares will vest on July 24, 2026.