---
schema_version: "secwatch.filing_event.v1"
accession: "0001537435-25-000056"
form_type: "8-K"
ticker: "TGEN"
cik: "0001537435"
company_name: "TECOGEN INC."
filed_at: "2025-06-10T23:59:59+00:00"
generated_at: "2026-05-19T15:34:36.701099+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Tecogen shareholders elect seven directors and ratify Wolf & Company as auditor at 2025 annual meeting

## Summary
- All 7 director nominees elected; votes for ranged from 8.53M to 8.73M, with 4.78M broker non-votes each.
- Ratification of Wolf & Company as independent auditor for FY2025 approved: 13.4M for, 12.8K against, 135.9K abstain.
- Approximately 13.4M shares voted on auditor ratification; no other proposals were submitted.
- Directors elected include John M. Albertine, Angelina M. Galiteva, Ahmed F. Ghoniem, John N. Hatsopoulos, Susan F. Hirsch, Earl R. Lewis III, and Abinand Rangesh.

## SEC filing metadata
- accession: 0001537435-25-000056
- form_type: 8-K
- ticker: TGEN
- cik: 0001537435
- company_name: TECOGEN INC.
- filed_at: 2025-06-10T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1537435/000153743525000056/0001537435-25-000056-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1537435/000153743525000056/tgen-20250610.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001537435-25-000056
- JSON: https://secwatch.observer/filing/0001537435-25-000056.json
- Plain text: https://secwatch.observer/filing/0001537435-25-000056.txt

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