Perspective Therapeutics (CATX) 10% Owner Sells 42,129 Shares

What Happened

• Lantheus Alpha Therapy, LLC — reported as a 10% owner of Perspective Therapeutics, Inc. (CATX) — sold 42,129 shares in open‑market transactions on September 2, 2026. The filing reports a weighted average price of $3.11 per share, for total proceeds of approximately $131,219. This was a sale (not a purchase), which is commonly routine for large holders and does not by itself indicate company outlook.

Key Details

• Transaction date: 2026-09-02; Form 4 filed: 2026-09-04.
• Reported price: weighted average $3.11 per share (sales occurred at prices ranging from $3.025 to $3.235).
• Shares sold: 42,129; approximate proceeds: $131,219.
• Shares owned after transaction: not disclosed in the provided filing details.
• Footnote highlights:
  • F1: $3.11 is a weighted average; the filer can provide per‑trade breakdown (prices ranged $3.025–$3.235).
  • F2: Lantheus Alpha Therapy, LLC is a wholly owned indirect subsidiary of Lantheus Holdings, Inc.; under SEC rules Lantheus Holdings may be deemed to have indirect beneficial ownership of these shares.
• No indication in the provided data that the filing was late.

Context

• This trade was executed by an institutional/affiliate holder (a 10% owner), not an individual officer or director; such institutional sales are often for portfolio or liquidity reasons rather than a direct signal about management sentiment. The filing is straightforward (sale of common shares) — no options exercise, award, or gift involved.