TGEN Insider Transactions
174 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
TGEN insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Ghoniem Ahmed | Director | 2026-04-24 | Purchase | 12,723.0 | $0.79 |
| Hirsch Susan B | Director | 2026-04-13 | Purchase | 5,000.0 | $3.73 |
| Hirsch Susan B | Director | 2026-03-27 | Purchase | 10,000.0 | $2.54 |
| Lewis Earl | Director | 2026-03-27 | Purchase | 5,000.0 | $2.52 |
| Lewis Earl | Director | 2026-03-26 | Purchase | 5,000.0 | $2.88 |
| Whiting John Kimball IV | General Counsel & Secretary | 2026-03-23 | Purchase | 10,000.0 | $2.38 |
| Deschenes Roger P. | CAO | 2026-03-20 | Purchase | 10,000.0 | $2.23 |
| Rangesh Abinand | Chief Executive Officer | 2026-03-20 | Purchase | 3,000.0 | $2.3 |
| PANORA ROBERT A | COO and President | 2025-06-24 | Sale | 900.0 | $6.86 |
| PANORA ROBERT A | COO and President | 2025-06-23 | Sale | 31,800.0 | $6.36 |
| Lafaille Stephen | VP of Business Development | 2025-06-23 | Sale | 10,000.0 | $7.25 |
| PANORA ROBERT A | COO and President | 2025-06-18 | Sale | 13,000.0 | $5.03 |
| Lafaille Stephen | VP of Business Development | 2025-06-06 | Sale | 25,000.0 | $5.98 |
| PANORA ROBERT A | COO and President | 2025-06-04 | Sale | 31,000.0 | $5.0 |
| Lafaille Stephen | VP of Business Development | 2025-06-04 | Sale | 15,000.0 | $5.0 |
| PANORA ROBERT A | COO and President | 2025-06-03 | Sale | 26,000.0 | $4.69 |
| Lafaille Stephen | VP of Business Development | 2025-06-03 | Sale | 10,000.0 | $4.88 |
| Lafaille Stephen | VP of Business Development | 2025-03-03 | Purchase | 400.0 | $2.5 |
| LEWIS EARL R | Director | 2024-11-22 | Purchase | 100,000.0 | $0.71 |
| HATSOPOULOS JOHN | Director | 2024-09-27 | Purchase | 10,000.0 | $0.84 |
| HATSOPOULOS JOHN | Director | 2024-09-25 | Purchase | 10,000.0 | $0.86 |
| HATSOPOULOS JOHN | Director | 2024-08-19 | Purchase | 10,000.0 | $0.9 |
| LEWIS EARL R | Director | 2024-07-15 | Purchase | 10,000.0 | $0.68 |
| LEWIS EARL R | Director | 2024-07-15 | Purchase | 10,000.0 | $0.68 |
| LEWIS EARL R | Director | 2024-07-15 | Purchase | 10,000.0 | $0.68 |
| HATSOPOULOS JOHN | Director | 2024-07-10 | Purchase | 22,466.0 | $0.65 |
| HATSOPOULOS JOHN | Director | 2024-05-29 | Purchase | 10,000.0 | $0.8 |
| HATSOPOULOS JOHN | Director | 2024-05-28 | Purchase | 1,265.0 | $0.8 |
| HATSOPOULOS JOHN | Director | 2024-05-24 | Purchase | 8,735.0 | $0.8 |
| HATSOPOULOS JOHN | Director | 2024-05-22 | Purchase | 3,200.0 | $0.79 |
| HATSOPOULOS JOHN | Director | 2024-05-21 | Purchase | 13,800.0 | $0.79 |
| HATSOPOULOS JOHN | Director | 2024-05-16 | Purchase | 3,000.0 | $0.75 |
| HATSOPOULOS JOHN | Director | 2024-05-15 | Purchase | 10,000.0 | $0.74 |
| LEWIS EARL R | Director | 2024-05-01 | Purchase | 5,000.0 | $0.75 |
| LEWIS EARL R | Director | 2024-04-24 | Purchase | 10,000.0 | $0.68 |
| HATSOPOULOS JOHN | Director | 2024-04-24 | Purchase | 5,000.0 | $0.67 |
| HATSOPOULOS JOHN | Director | 2024-04-23 | Purchase | 1,000.0 | $0.68 |
| HATSOPOULOS JOHN | Director | 2024-04-23 | Purchase | 5,000.0 | $0.69 |
| HATSOPOULOS JOHN | Director | 2024-04-16 | Purchase | 1,000.0 | $0.68 |
| HATSOPOULOS JOHN | Director | 2024-04-15 | Purchase | 1,000.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-04-12 | Purchase | 1,000.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-04-11 | Purchase | 1,000.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-04-09 | Purchase | 1,000.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-04-08 | Purchase | 1,000.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-04-01 | Purchase | 5,000.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-04-01 | Purchase | 612.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-03-28 | Purchase | 2,388.0 | $0.7 |
| HATSOPOULOS JOHN | Director | 2024-03-27 | Purchase | 2,000.0 | $0.7 |
| LEWIS EARL R | Director | 2024-01-24 | Purchase | 9,152.0 | $0.78 |
| LEWIS EARL R | Director | 2024-01-23 | Purchase | 10,000.0 | $0.68 |
| HATSOPOULOS JOHN | Director | 2024-01-22 | Purchase | 10,000.0 | $0.77 |
| HATSOPOULOS JOHN | Director | 2024-01-18 | Purchase | 10,000.0 | $0.73 |
| HATSOPOULOS JOHN | Director | 2024-01-16 | Purchase | 100,000.0 | $0.73 |
| HATSOPOULOS JOHN | Director | 2023-12-27 | Purchase | 25,000.0 | $0.8 |
| HATSOPOULOS JOHN | Director | 2023-12-22 | Purchase | 25,000.0 | $0.8 |
| HATSOPOULOS JOHN | Director | 2023-12-14 | Purchase | 44,000.0 | $0.9 |
| HATSOPOULOS JOHN | Director | 2023-12-14 | Purchase | 5,000.0 | $0.85 |
| HATSOPOULOS JOHN | Director | 2023-12-14 | Purchase | 1,000.0 | $0.83 |
| HATSOPOULOS JOHN | Director | 2023-11-20 | Purchase | 4,000.0 | $0.85 |
| HATSOPOULOS JOHN | Director | 2023-11-17 | Purchase | 46,000.0 | $0.85 |
| HATSOPOULOS JOHN | Director | 2023-11-14 | Purchase | 100.0 | $0.85 |
| Hirsch Susan B | Director | 2023-10-19 | Purchase | 5,000.0 | $0.92 |
| LEWIS EARL R | Director | 2023-10-18 | Purchase | 25,000.0 | $0.91 |
| HATSOPOULOS JOHN | Director | 2023-10-17 | Purchase | 50,000.0 | $0.8 |
| HATSOPOULOS JOHN | Director | 2023-10-12 | Purchase | 50,000.0 | $0.8 |
| LEWIS EARL R | Director | 2023-10-09 | Purchase | 2,000.0 | $0.8 |
| LEWIS EARL R | Director | 2023-10-09 | Purchase | 2,000.0 | $0.8 |
| LEWIS EARL R | Director | 2023-10-09 | Purchase | 2,000.0 | $0.8 |
| LEWIS EARL R | Director | 2023-10-06 | Purchase | 1,000.0 | $0.8 |
| LEWIS EARL R | Director | 2023-10-06 | Purchase | 132.0 | $0.79 |
| LEWIS EARL R | Director | 2023-10-02 | Purchase | 5,000.0 | $0.87 |
| HATSOPOULOS JOHN | Director | 2023-09-29 | Purchase | 2,000.0 | $0.98 |
| HATSOPOULOS JOHN | Director | 2023-09-27 | Purchase | 1,380.0 | $0.91 |
| LEWIS EARL R | Director | 2023-09-26 | Purchase | 1,000.0 | $0.9 |
| HATSOPOULOS JOHN | Director | 2023-09-26 | Purchase | 2,000.0 | $0.92 |
| HATSOPOULOS JOHN | Director | 2023-09-19 | Purchase | 5,000.0 | $0.91 |
| LEWIS EARL R | Director | 2023-09-14 | Purchase | 17,216.0 | $0.93 |
| LEWIS EARL R | Director | 2023-09-08 | Purchase | 10,000.0 | $0.95 |
| HATSOPOULOS JOHN | Director | 2023-09-07 | Purchase | 200.0 | $1.0 |
| LEWIS EARL R | Director | 2023-09-05 | Purchase | 10,000.0 | $1.0 |
| HATSOPOULOS JOHN | Director | 2023-09-05 | Purchase | 10,000.0 | $0.97 |
| Rangesh Abinand | Chief Executive Officer | 2023-08-30 | Purchase | 800.0 | $1.02 |
| Rangesh Abinand | Chief Executive Officer | 2023-08-23 | Purchase | 200.0 | $1.02 |
| HATSOPOULOS JOHN | Director | 2023-08-22 | Purchase | 5,000.0 | $1.12 |
| HATSOPOULOS JOHN | Director | 2023-08-17 | Purchase | 4,674.0 | $1.04 |
| Rangesh Abinand | Chief Executive Officer | 2023-08-15 | Purchase | 1.0 | $0.95 |
| HATSOPOULOS JOHN | Director | 2023-08-15 | Purchase | 5,000.0 | $1.0 |
| LEWIS EARL R | Director | 2023-08-14 | Purchase | 1,500.0 | $1.0 |
| HATSOPOULOS JOHN | Director | 2023-06-26 | Purchase | 1,000.0 | $0.96 |
| HATSOPOULOS JOHN | Director | 2023-06-20 | Purchase | 3,000.0 | $1.0 |
| Rangesh Abinand | Chief Executive Officer | 2023-06-20 | Purchase | 1,500.0 | $1.04 |
| HATSOPOULOS JOHN | Director | 2023-06-15 | Purchase | 5,000.0 | $1.11 |
| HATSOPOULOS JOHN | Director | 2023-06-12 | Purchase | 5,000.0 | $1.12 |
| HATSOPOULOS JOHN | Director | 2023-06-08 | Purchase | 500.0 | $1.09 |
| HATSOPOULOS JOHN | Director | 2023-06-07 | Purchase | 3,000.0 | $1.0 |
| HATSOPOULOS JOHN | Director | 2023-06-07 | Purchase | 7,000.0 | $1.0 |
| HATSOPOULOS JOHN | Director | 2023-06-06 | Purchase | 7,000.0 | $1.0 |
| HATSOPOULOS JOHN | Director | 2023-06-06 | Purchase | 1,000.0 | $1.14 |
| HATSOPOULOS JOHN | Director | 2023-06-02 | Purchase | 1,000.0 | $1.09 |
| HATSOPOULOS JOHN | Director | 2023-05-26 | Purchase | 1,000.0 | $1.17 |