---
schema_version: "secwatch.filing_event.v1"
accession: "0001537435-22-000115"
form_type: "8-K"
ticker: "TGEN"
cik: "0001537435"
company_name: "TECOGEN INC."
filed_at: "2022-09-21T23:59:59+00:00"
generated_at: "2026-06-23T08:17:15.695318+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Tecogen director Ralph Jenkins resigns effective September 19, 2022

## Summary
- Ralph Jenkins resigned as a director of Tecogen, effective immediately on September 19, 2022.
- Resignation is to focus on other business and personal commitments; not due to any disagreement with the company.
- No replacement has been announced at this time.

## SEC filing metadata
- accession: 0001537435-22-000115
- form_type: 8-K
- ticker: TGEN
- cik: 0001537435
- company_name: TECOGEN INC.
- filed_at: 2022-09-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1537435/000153743522000115/0001537435-22-000115-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1537435/000153743522000115/tgenformredirectordeparture.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001537435-22-000115
- JSON: https://secwatch.observer/filing/0001537435-22-000115.json
- Plain text: https://secwatch.observer/filing/0001537435-22-000115.txt

## Key facts
- Executive change
  Ralph Jenkins resigned as Director at TECOGEN INC..
  - Action: resigned
  - Role: Director
  source text: On September 19, 2022, Ralph Jenkins, a director of Tecogen Inc. (the “Company”) notified the Company of his resignation as a director of the Company effective immediately in order to permit him to focus on other business and personal commitments.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1537435/000153743522000115/0001537435-22-000115-index.htm

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