Lantheus Holdings, Inc. sold $246K of CATX

Lantheus Holdings, Inc. sold 78,145 shares of Perspective Therapeutics, Inc. (CATX) at $3.14 ($0.25M total) on 2026-08-31.

Original reporting
SEC EDGAR · Lantheus Holdings, Inc.
Published Sep 2, 2026, 8:36 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 2, 2026, 9:19 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
low 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 represents a modest reduction in a large insider position, unlikely to move the stock materially.

02

Market read

Primary disclosure of a small insider sale; low trading relevance.

03

What to watch

The sale could be a routine liquidity event unrelated to company fundamentals.

Relevance 4/10Novelty 4/10Timing: filing date 2026-09-02

Background

Perspective Therapeutics (NASDAQ: CATX) is a clinical‑stage biotech. Lantheus Holdings reported a direct sale of shares under a Form 4 filing.

Company-level read

Ticker impact

$CATXNeutralLow confidence
Context

SEC Form 4 shows Lantheus sold 78,145 Perspective Therapeutics shares for $245.6K on 2026-08-31.

Expected impact

Limited short‑term impact; price likely unchanged.

Evidence & confidence

The transaction is small relative to total float and does not constitute a material change in ownership.

Market effects

Minimal; insider activity does not affect broader biotech sector.

None; transaction is US‑listed but small.

None

Counterpoint

Some traders may view any insider sell as a bearish signal and short the stock.

Key entities

  • Perspective Therapeutics, Inc.

    Biotech issuer of the shares sold.

  • Lantheus Holdings, Inc.

    Reporter of the Form 4 and 10% owner.

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.

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