Insider · CIK 0001808199
John Kimball Whiting IV
Files at: TGEN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 26, 2026 AForm 4/A → | Sep 8, 5:11 pm EDT | TECOGEN INC.TGEN | 19,342 | — | — | 41,954 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:36 pm EDT | TECOGEN INC.TGEN | 19,342 | — | — | 19,342 | — | amended |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.