Weiss Michael S (CIK 0001038977)

Latest company ownership

Shares held
9,156,086
Last filed at
Nov 7, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2012Q2 2025Q4
Shares held
1,801,138
Last filed at
Jan 3, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 14, 2023 Nov 16, 2023 Fortress Biotech, Inc. Officer Buy 95.0 +147,058 14.95% $250K
Aug 11, 2023 Aug 14, 2023 TG THERAPEUTICS, INC. CEO Buy 77.5 +100,000 0.84% $1M
Feb 10, 2023 Feb 14, 2023 Fortress Biotech, Inc. Officer Buy 92.5 +1,197,604 8.84% $1000K
Dec 15, 2021 Jan 7, 2022 TG THERAPEUTICS, INC. CEO Sell 40.0 -723,826 -0.91% $1.3M
Jun 26, 2019 Jun 27, 2019 TG THERAPEUTICS, INC. CEO Buy 67.5 +50,000 0.39% $351.8K
Dec 16, 2014 Dec 18, 2014 TG THERAPEUTICS, INC. Officer Sell 37.5 -210,618 -2.53% $3.5M
Nov 6, 2014 Nov 10, 2014 Fortress Biotech, Inc. Exec. VC - Strategic Dev. Buy 100.0 +1,000,000 16.84% $1.6M
Dec 11, 2013 Dec 12, 2013 TG THERAPEUTICS, INC. Officer Buy 56.3 +10,000 0.13% $34.3K
Sep 10, 2012 Sep 11, 2012 TG THERAPEUTICS, INC. Officer Buy 85.0 +150,000 2.09% $337.5K
Apr 30, 2012 May 17, 2012 TG THERAPEUTICS, INC. Officer Buy 90.0 +1,501,500 40.68% $9.4K