Tg Therapeutics, Inc. (TGTX) Insider Ownership

Historic Insider Ownership Trends

Tg Therapeutics's top three insider shareholders as of April 17, 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).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Michael S Weiss Ceo And President 12,073,021 0 14 Aug, 2023
Michael S Weiss Ceo 9,778,086 0 09 Jan, 2026
Sean A Power Cfo 798,111 0 09 Jan, 2026
Sean A Power Chief Financial Officer 654,836 0 05 Jun, 2023
Kenneth Hoberman - 279,653 0 16 Jun, 2025
Yann Echelard - 223,816 0 25 Nov, 2025
Daniel Hume - 192,748 0 16 Jun, 2025
Laurence N Charney - 179,690 0 29 Jan, 2026
Sagar Lonial - 94,061 0 12 Sep, 2025
Sagar Lonial - 93,878 0 26 Jun, 2023

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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 Sean A Power Common Stock A 90,000 $0.00 798,111 D A
08 Jan, 2026 Michael S Weiss Common Stock A 622,000 $0.00 9,778,086 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 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
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
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