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sellWeak cluster of 2

Lantheus Alpha Therapy, LLC sold $131k of CATX

owner at Perspective Therapeutics, Inc.. 42,129 shares at an average of $3.11, traded Sep 2, 2026, filed Sep 4, 2026.

Warning score
31
Value
$131k
42,129 shares
Holdings after
11,521,296
-0% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    10% owner
    +12
  • Trade size
    $131k at market
    +11
  • Share of holdings sold
    Sold 0.4% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

What happened after comparable sells

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.

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.

CATXOct 9, 2026 · close 2.66
Since filing Sep 4, 2026: -15.0%SPY +1.3% · excess -16.4%

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 0002064832-26-000316, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2026SOpen-market sale
Common Stock
-42,129$3.11$131k11,521,29639 d ago

Related signals

Other insiders at Perspective Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
42Moderate
CATXsell 2
Perspective Therapeutics, Inc.
Lantheus Alpha Therapy, LLC
owner
$777k
247,932 shares
-2%
35Weak
CATXsell 2
Perspective Therapeutics, Inc.
Lantheus Alpha Therapy, LLC
owner
$357k
113,914 shares
-1%
30Weak
CATXsell 2
Perspective Therapeutics, Inc.
Lantheus Holdings, Inc.
owner
$112k
35,769 shares
-0%
33Weak
CATXsell 2
Perspective Therapeutics, Inc.
Lantheus Holdings, Inc.
owner
$246k
78,145 shares
-1%
37Weak
CATXbuy 2
Perspective Therapeutics, Inc.
Jonathan Robert Hunt
Chief Accounting Officer
$22k
11,000 shares
+23%
41Moderate
CATXbuy 2
Perspective Therapeutics, Inc.
Robert F Williamson III
director
$20k
9,498 shares
+2595%
73Notable
CATXbuy 4
Perspective Therapeutics, Inc.
Juan Graham
Chief Financial Officer
$75k
33,333 shares
+1649%
58Moderate
CATXbuy 4
Perspective Therapeutics, Inc.
Lori A Woods
director
$50k
23,475 shares
+15%
69Notable
CATXbuy 4
Perspective Therapeutics, Inc.
Robert F Williamson III
director
$132k
60,337 shares
+124%
75Notable
CATXbuy 4
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.

Lantheus Alpha Therapy, LLC sold $131k of CATX | InsiderTell