Lafaille Stephen
SEC CIK 2074096 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| TGEN | TECOGEN INC. | VP of Business Development | 41.4K | $1,000 | $345.8K | 6 | 2025-03-03 | 2026-06-26 |
Most active insiders at TGEN, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Hirsch Susan B | Dir | $44.0K | — |
| 2 | Lewis Earl | Dir | $27.0K | — |
| 3 | Whiting John Kimball IV | GC, Sec | $23.8K | — |
| 4 | Deschenes Roger P. | CFO | $22.3K | — |
| 5 | Ghoniem Ahmed | Dir | $10.0K | — |
| 6 | Rangesh Abinand | CEO, Dir, CFO | $6,900 | — |
| 7 | Lafaille Stephen | VP of Business Development | — | — |
| 8 | Panora Robert | COO, Pres | — | — |
| 9 | Hatsopoulos John | Dir | — | — |
Transactions 6
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 2026-09-08 17:12 | 2026-06-26 | TGEN | TECOGEN INC. | Lafaille Stephen | VP of Business Development | A - Grant | $0.00 | +29.0K | 41.4K | +234% | $0 |
| 2026-06-30 20:36 | 2026-06-26 | TGEN | TECOGEN INC. | Lafaille Stephen | VP of Business Development | A - Grant | — | +29.0K | 29.0K | New | — | |
| D | 2025-07-28 | 2025-07-24 | TGEN | TECOGEN INC. | Lafaille Stephen | VP of Business Development | A - Grant | $0.00 | +12.0K | 12.4K | +2,994% | $0 |
| D | 2025-06-24 | 2025-03-03 | TGEN | TECOGEN INC. | Lafaille Stephen | VP of Business Development | P - Purchase | $2.50 | +400 | 400 | New | +$1,000 |
| DM | 2025-06-24 | 2025-06-03+ | TGEN | TECOGEN INC. | Lafaille Stephen | VP of Business Development | X - OptEx | $0.9375 | +60.0K | 10.4K | New | +$56.2K |
| DM | 2025-06-24 | 2025-06-03+ | TGEN | TECOGEN INC. | Lafaille Stephen | VP of Business Development | S - Sale+OE | $5.76 | -60.0K | 400 | -99% | -$345.8K |
Purchase Sale Sale after option exercise All abbreviations