Tg Therapeutics, Inc. (TGTX) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that Tg Therapeutics's three principal insider shareholders consist of Ceo Michael S Weiss (9.78Mn shares), Cfo Sean A Power (798.11K shares), Director Kenneth Hoberman (279.65K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Michael S Weiss Ceo 9,778,086 09 Jan, 2026
Sean A Power Cfo 798,111 09 Jan, 2026
Kenneth Hoberman 279,653 16 Jun, 2025
Yann Echelard 223,816 25 Nov, 2025
Laurence N Charney 222,887 16 Jun, 2025
Daniel Hume 192,748 16 Jun, 2025
Sagar Lonial 94,061 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.

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
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 - - 223,816 D
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
11 Sep, 2025 Sagar Lonial - - 94,061 D
13 Jun, 2025 Yann Echelard Common Stock D 10,000 $36.94 228,816 D S
13 Jun, 2025 Yann Echelard - - 228,816 D
12 Jun, 2025 Laurence N Charney Common Stock A 21,408 $0.00 222,887 D A
12 Jun, 2025 Yann Echelard Common Stock A 14,718 $0.00 238,816 D A
12 Jun, 2025 Kenneth Hoberman Common Stock A 14,718 $0.00 279,653 D A
12 Jun, 2025 Daniel Hume Common Stock A 14,718 $0.00 192,748 D A
12 Jun, 2025 Daniel Hume - - 192,748 D
12 Jun, 2025 Sagar Lonial Common Stock A 14,718 $0.00 114,913 D A
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 Michael S Weiss - - 13,824,929 D