---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-360035"
form_type: "8-K"
ticker: "PSIX"
cik: "0001137091"
company_name: "POWER SOLUTIONS INTERNATIONAL, INC."
filed_at: "2021-12-17T23:59:59+00:00"
generated_at: "2026-06-28T00:00:56.911540+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Co-founder and EVP Ken Winemaster to retire from PSI effective Dec 31, 2021

## Summary
- Ken Winemaster, Executive VP and co-founder, retires after 36 years; operational duties assumed internally.
- Receives $337,000 severance in 12 monthly installments of $28,083.33 from Jan to Dec 2022.
- Also receives $16,737 salary reduction payback (no later than July 1, 2022) and $32,500 LTI payment on Jan 1, 2023.
- COBRA health premium coverage for 13 months; confidentiality, non-compete, and non-solicitation provisions remain in effect.
- Mutual non-disparagement and transition cooperation at $250 per hour; retirement agreement filed as Exhibit 10.1.

## SEC filing metadata
- accession: 0001193125-21-360035
- form_type: 8-K
- ticker: PSIX
- cik: 0001137091
- company_name: POWER SOLUTIONS INTERNATIONAL, INC.
- filed_at: 2021-12-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1137091/000119312521360035/0001193125-21-360035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1137091/000119312521360035/d258106d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-360035
- JSON: https://secwatch.observer/filing/0001193125-21-360035.json
- Plain text: https://secwatch.observer/filing/0001193125-21-360035.txt

## Key facts
- Executive change
  Kenneth Winemaster retired as Executive Vice President at POWER SOLUTIONS INTERNATIONAL, INC..
  - Action: retired
  - Role: Executive Vice President
  source text: On December 14, 2021, Power Solutions International, Inc. (the "Company" or "PSI") entered into a retirement agreement with Executive Vice President and co-founder Kenneth Winemaster, who will retire and resign from his position on December 31, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1137091/000119312521360035/0001193125-21-360035-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.