$CATX

Lantheus Alpha Therapy, LLC sold $131K of CATX

Lantheus Alpha Therapy, LLC sold 42,129 shares of Perspective Therapeutics, Inc. (CATX) at $3.11 ($0.13M total) on 2026-09-02. Filed jointly with Lantheus Holdings, Inc. (10% owner).

Original reporting
SEC EDGAR · Lantheus Alpha Therapy, LLC, Lantheus Holdings, Inc.
Published Sep 4, 2026, 9:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 4, 2026, 10:22 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$CATX
Neutral
high confidence
Mentioned
$CATX
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CATXNeutralLow
01

Why it matters

The disclosed sale is a routine insider transaction with limited market impact.

02

Market read

Minor insider sell; unlikely to affect stock price materially.

03

What to watch

Potential upcoming corporate actions not disclosed.

Relevance 4/10Novelty 4/10Timing: filed Sep 4 2026

Background

SEC Form 4 filing by Lantheus Alpha Therapy, LLC reporting an insider transaction for Perspective Therapeutics.

Company-level read

Ticker impact

$CATXNeutralHigh confidence
Context

Form 4 disclosed a 10% owner sold 42,129 shares for $131,219, reducing holdings to 11.5M shares.

Expected impact

No significant price impact expected.

Evidence & confidence

The sale size is small relative to total shares and market cap; insider still holds >10%.

Market effects

None

None

None

Counterpoint

Insider sale could signal concerns, but size is trivial.

Key entities

  • Perspective Therapeutics, Inc.

    Biopharma company whose insider sold shares.

  • Lantheus Alpha Therapy, LLC

    10% owner reporting the sale.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$CATXMedAI 8/10

Perspective Granted FDA Fast Track for PSV359 in FAP-Positive Solitary Fibrous Tumors

Perspective Therapeutics (CATX) received FDA Fast Track designation for PSV359, an investigational FAP-targeted alpha therapy, to treat adult patients with locally advanced or metastatic FAP-positive solitary fibrous tumors. The drug is currently in a Phase 1/2a study, with early human imaging showing promising results. Fast Track designation may expedite development and review processes.

$CATXMedAI 8/10

Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and/or…

Perspective Therapeutics, Inc. (CATX) filed an SEC Form 8-K — Other Events. Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and/or Metastatic FAP-Positive Solitary Fibrous Tumors SEATTLE, Oct. 08, 2026 -- Perspective Therapeutics, Inc. (“Perspective,” the “Co

$CATXMedAI 8/10

Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and/or Metastatic FAP-Positive Solitary Fibrous Tumors

Perspective Therapeutics (CATX) received FDA Fast Track Designation for PSV359, a treatment for FAP-positive solitary fibrous tumors. The therapy targets FAP-α, a protein linked to aggressive cancers, with limited current treatment options. The FDA program aims to expedite development and review for serious conditions with unmet medical needs.

$CATXLowAI 8/10

Perspective Therapeutics Announces NANETS 2026 Presentation of [212Pb]VMT-α-NET Clinical Data in Advanced Neuroendocrine Tumors

Perspective Therapeutics (NYSE: CATX) will present clinical data on its [212Pb]VMT-α-NET program for advanced neuroendocrine tumors at the NANETS 2026 symposium. The company is developing radiopharmaceutical treatments using alpha-emitting isotopes to target cancer cells. Interim data was previously presented at the 2026 ASCO meeting, with additional data planned for future conferences. The company is also advancing other clinical-stage programs in the U.S.