Transaction · 0002064832-26-000314

Lantheus Alpha Therapy, LLC

Lantheus Alpha Therapy, LLC, 10%, reported an open-market or private sale at Perspective Therapeutics, Inc. involving 35769.000000 shares for an estimated $111574.24. Reported holdings after the transaction were 11563425.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code S10%
CATXPerspective Therapeutics, Inc.
Filing timeSep 04
Trade dateSep 01, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$3.13
Pre-filing
1mo ago1w ago1d ago
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

CATX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CATX since 2026-09-04Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0002064832-26-000314
Common Stock
Transaction date
Sep 01, 2026
Filed Sep 04, 2026, 08:58 PM · 3d delay
Shares
35.7k sh
$312 per share
Estimated value
-$11.1M
Computed from shares × price
Holdings after
11.5M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Repeat Seller
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    Effective June 14, 2024, Perspective Therapeutics, Inc. ("CATX") effected a 1-for-10 reverse stock split of its common stock (the "Reverse Stock Split"). The amount of securities reported on this Form…

  2. F2

    These sales were previously reported in Form 4s filed by Lantheus Holdings, Inc. on September 2, 2026 and September 3, 2026.

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.095 to $3.165, inclusive. The reporting person undertakes to provi…

  4. F4

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.08 to $3.165, inclusive. The reporting person undertakes to provid…

  5. F5

    Represents securities directly held by Lantheus Alpha Therapy, LLC ("Lantheus"), a wholly owned indirect subsidiary of Lantheus Holdings, Inc. ("Lantheus Holdings"). Under SEC rules and regulations, L…

Original filing · 0002064832-26-000314
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