Whiting John Kimball IV (CIK 1808199) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-30). Recent activity: Buy TGEN (19,342 shares), Buy TGEN (10,000 shares), Buy TGEN (11,976 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | TECOGEN INC. (TGEN) | General Counsel & Secretary | Buy | 19,342 | $0 |
| 2026-03-23 | TECOGEN INC. (TGEN) | General Counsel & Secretary | Buy | 10,000 | $23,800 |
| 2025-07-28 | TECOGEN INC. (TGEN) | General Counsel & Secretary | Buy | 11,976 | $0 |
Source: SEC Form 4 filings · as of 2026-06-30