Tg Therapeutics's three largest insider shareholders as of May 30, 2026 are Michael S Weiss (Ceo And President, 12.07Mn shares), Michael S Weiss (Ceo, 9.78Mn shares), Sean A Power (Cfo, 798.11K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael S Weiss | Ceo And President | 12,073,021 | 0 | 14 Aug, 2023 |
| Laurence N Charney | - | 179,690 | 0 | 29 Jan, 2026 |
| Sean A Power | Cfo | 798,111 | 0 | 09 Jan, 2026 |
| Yann Echelard | - | 223,816 | 0 | 25 Nov, 2025 |
| Kenneth Hoberman | - | 279,653 | 0 | 16 Jun, 2025 |
| Daniel Hume | - | 192,748 | 0 | 16 Jun, 2025 |
| Sagar Lonial | - | 94,061 | 0 | 12 Sep, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 28 Jan, 2026 | Laurence N Charney | Common Stock | D | 30,000 | $0.00 | 192,887 | D | G |
| 29 Jan, 2026 | Laurence N Charney | Common Stock | D | 13,197 | $0.00 | 179,690 | D | G |
| 08 Jan, 2026 | Michael S Weiss | Common Stock | A | 622,000 | $0.00 | 9,778,086 | D | A |
| 08 Jan, 2026 | Sean A Power | Common Stock | A | 90,000 | $0.00 | 798,111 | D | A |
| 24 Nov, 2025 | Yann Echelard | Common Stock | D | 5,000 | $32.57 | 223,816 | D | S |
| 05 Nov, 2025 | Michael S Weiss | Common Stock | D | 3,865,126 | $0.00 | 9,959,803 | D | G |
| 05 Nov, 2025 | Michael S Weiss | Common Stock | D | 803,717 | $0.00 | 9,156,086 | D | G |
| 11 Sep, 2025 | Sagar Lonial | Common Stock | D | 20,852 | $32.24 | 94,061 | D | S |
| 12 Jun, 2025 | Laurence N Charney | Common Stock | A | 21,408 | $0.00 | 222,887 | D | A |
| 12 Jun, 2025 | Daniel Hume | Common Stock | A | 14,718 | $0.00 | 192,748 | D | A |
| 12 Jun, 2025 | Kenneth Hoberman | Common Stock | A | 14,718 | $0.00 | 279,653 | D | A |
| 12 Jun, 2025 | Sagar Lonial | Common Stock | A | 14,718 | $0.00 | 114,913 | D | A |
| 12 Jun, 2025 | Yann Echelard | Common Stock | A | 14,718 | $0.00 | 238,816 | D | A |
| 13 Jun, 2025 | Yann Echelard | Common Stock | D | 10,000 | $36.94 | 228,816 | D | S |
| 17 Mar, 2025 | Daniel Hume | Common Stock | D | 62,459 | $0.00 | 178,030 | D | G |
| 10 Mar, 2025 | Laurence N Charney | Common Stock | D | 6,000 | $0.00 | 201,479 | D | G |
| 29 Jan, 2025 | Michael S Weiss | Common Stock | A | 750,000 | $0.00 | 13,824,929 | D | A |
| 29 Jan, 2025 | Sean A Power | Common Stock | A | 87,500 | $0.00 | 708,111 | D | A |
| 03 Jan, 2025 | Sean A Power | Common Stock | D | 11,337 | $30.29 | 670,632 | D | S |
| 06 Jan, 2025 | Sean A Power | Common Stock | D | 10,021 | $28.53 | 660,611 | D | S |