| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Tecogen Inc COO and President | A | Common Stock | |||||
| Tecogen Inc COO and President | A | Common Stock | |||||
| Tecogen Inc COO and President | A | Stock Option (Right to Buy) | |||||
| Tecogen Inc COO and President | M | Common Stock | |||||
| Tecogen Inc COO and President | M | Stock Option (Right to Buy) |