SEC Form 4 · accession 0001537435-26-000045
TECOGEN INC. · TGEN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John M Albertine
Director
Period of report
Jun 26, 2026
Accepted (ET)
Jun 30, 2026 · 8:33 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001537435
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F1 | $5.17 | Jun 26, 2026 | A | 25,000 | A | Jun 26, 2027 | Jun 26, 2036 | Common Stock | 25,000 | 25,000 | D |
Explanation of responses
- F1Vests 25% per year