Lafaille Stephen insider trades
Lafaille Stephen has filed 3 Form 4s with the SEC that we hold, all for Tecogen INC. (TGEN), as VP of Business Development. Across all of them we count 1 purchase worth $1.0K and 4 sales worth $345.8K reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 25,000 shares of Tecogen INC. worth $149.5K, dated 2025-06-06. The first filing on our record is dated 2025-06-24 and the latest 2026-09-08.
Tecogen INC. (TGEN)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-03-03 | P, purchase reported on Form 4 | 400 | $1.0K | 2025-06-24 |
| 2025-06-03 | S, sale reported on Form 4 | 10,000 | $48.8K | 2025-06-24 |
| 2025-06-04 | S, sale reported on Form 4 | 15,000 | $75.0K | 2025-06-24 |
| 2025-06-06 | S, sale reported on Form 4 | 25,000 | $149.5K | 2025-06-24 |
| 2025-06-23 | S, sale reported on Form 4 | 10,000 | $72.5K | 2025-06-24 |
Counted from the Form 4 filings this reporting owner (SEC CIK 2074096) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
Privacy · Terms