Robert F Williamson III bought $20k of CATX
director at Perspective Therapeutics, Inc.. 9,498 shares at an average of $2.10, traded Nov 12, 2025, filed Nov 14, 2025.
Score components
- +15RoleDirector
- 0Trade size$20k at market
- +10Relative to holdingsHoldings up 2595%
- +8Price context80% below the 52-week high
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +28.4%, 3m +126.0%, 6m +85.1%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-25-281626, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 12, 2025 | POpen-market purchase Common Stockindirect: RFW3 Revocable Trust | +9,498 | $2.10 | $20k | 9,864 | Nov 14, 2025 |
Related signals
Other insiders at Perspective Therapeutics, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 42Moderate | Perspective Therapeutics, Inc. | Lantheus Alpha Therapy, LLC owner | $777k 247,932 shares | -2% | |
| 35Weak | Perspective Therapeutics, Inc. | Lantheus Alpha Therapy, LLC owner | $357k 113,914 shares | -1% | |
| 31Weak | Perspective Therapeutics, Inc. | Lantheus Alpha Therapy, LLC owner | $131k 42,129 shares | -0% | |
| 30Weak | Perspective Therapeutics, Inc. | Lantheus Holdings, Inc. owner | $112k 35,769 shares | -0% | |
| 33Weak | Perspective Therapeutics, Inc. | Lantheus Holdings, Inc. owner | $246k 78,145 shares | -1% | |
| 37Weak | Perspective Therapeutics, Inc. | Jonathan Robert Hunt Chief Accounting Officer | $22k 11,000 shares | +23% | |
| 73Notable | Perspective Therapeutics, Inc. | Juan Graham Chief Financial Officer | $75k 33,333 shares | +1649% | |
| 58Moderate | Perspective Therapeutics, Inc. | Lori A Woods director | $50k 23,475 shares | +15% | |
| 69Notable | Perspective Therapeutics, Inc. | Robert F Williamson III director | $132k 60,337 shares | +124% | |
| 75Notable | Perspective Therapeutics, Inc. | Johan M. Spoor Chief Executive Officer | $60k 26,676 shares | +71% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.