Form 4 for TGEN TECOGEN INC.
Accepted 2026-03-23 00:00:00 ET · period of report 2026-03-20 · accession 0001274775-26-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-23 | 2026-03-20 | TGEN | Hatsopoulos John | Dir | M - OptEx | $0.88 | +50.0K | 1.04M | +5% | +$44.0K |
| D | 2026-03-23 | 2026-03-20 | TGEN | Hatsopoulos John | Dir | M - OptEx | $0.88 | -50.0K | 0 | -100% | -$44.0K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-20 | M | A | 50,000 | $0.88 | 1,038,951 | D | — | — | (F1) Shares acquired pursuant to exercise of Stock Option Agreement dated 9/20/2023 |
| 2 | Derivative | Stock Option (Right to Buy) | 2026-03-20 | M | D | 50,000 | $0.88 | 0 | D | $0.88 · 2024-09-20 to 2033-09-20 | 50,000 Common Stock | (F2) Exercise of Stock Option Agreement dated 9/20/2023 |