Michael S. Weiss
Known title: CEO and PresidentCIK: 0001038977
Michael S. Weiss's purchase track record
How the stock did after each of Michael S. Weiss's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 3 since February 10, 2023
Stock higher 6 months later
67%
3 months: 67%
Median 6-month return
+33.3%
3 months: +0.9%
Beat the S&P 500
67%
median +16.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 11/14/2023 | FBIO | $250K | +34.1% | +33.3% | +16.7% |
| 8/11/2023 | TGTX | $1.01M | +0.9% | +45.5% | +12.6% |
| 2/10/2023 | FBIO | $1000K | -5.3% | -30.3% | +9.1% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| FBIO | ▲ Buy | Grant | 475,424 | $0 | 3/18/2026 | View on chart |
| TGTX | ▲ Buy | Grant | 622,000 | $0 | 1/8/2026 | View on chart |
| TGTX | ▼ Sell | Gift | 3,865,126 | $0 | 11/5/2025 | View on chart |
| TGTX | ▼ Sell | Gift | 803,717 | $0 | 11/5/2025 | View on chart |
| TGTX | ▲ Buy | Grant | 750,000 | $0 | 1/29/2025 | View on chart |
| FBIO | ▲ Buy | Grant | 454,153 | $0 | 1/1/2025 | View on chart |
| TGTX | ▲ Buy | Grant | 1,001,908 | $0 | 1/6/2024 | View on chart |
| FBIO | ▲ Buy | Grant | 216,465 | $0 | 1/1/2024 | View on chart |
| FBIO | ▲ Buy | Open Market | 147,058 | $250K | 11/14/2023 | View on chart |
| TGTX | ▲ Buy | Open Market | 100,000 | $1.0M | 8/11/2023 | View on chart |
| MBIO | ▲ Buy | Grant | 7,246 | $0 | 7/5/2023 | View on chart |
| TGTX | ▲ Buy | Grant | 985,000 | $0 | 3/12/2023 | View on chart |
| FBIO | ▲ Buy | Open Market | 1,197,604 | $1000K | 2/10/2023 | View on chart |
| FBIO | ▲ Buy | Grant | 1,219,294 | $0 | 1/1/2023 | View on chart |
| MBIO | ▲ Buy | Grant | 71,664 | $0 | 7/29/2022 | View on chart |
| TGTX | ▼ Sell | Open Market | 30,671 | $562K | 1/5/2022 | View on chart |
| TGTX | ▼ Sell | Open Market | 37,549 | $721K | 1/4/2022 | View on chart |
| FBIO | ▲ Buy | Grant | 1,102,986 | $0 | 1/1/2022 | View on chart |
| TGTX | ▲ Buy | Grant | 56,394 | $0 | 12/29/2021 | View on chart |
| TGTX | ▼ Sell | Gift | 9,000 | $0 | 12/16/2021 | View on chart |
| TGTX | ▼ Sell | Gift | 700,000 | $0 | 12/16/2021 | View on chart |
| TGTX | ▼ Sell | Gift | 3,000 | $0 | 12/15/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 7, 2026
TGTX Highlighted as Affordable Biotech Growth Play
ChartMill recently featured TG Therapeutics as an affordable growth option within the biotech sector. This analysis suggests the stock may be viewed as undervalued relative to its potential, despite trading near its 52-week low. The mention adds a positive fundamental perspective to the current technical setup.
TGTX Highlighted as Affordable Biotech Growth Play. ChartMill recently featured TG Therapeutics as an affordable growth option within the biotech sector. This analysis suggests the stock may be viewed as undervalued relative to its potential, despite trading near its 52-week low. The mention adds a positive fundamental perspective to the current technical setup.