Perspective Therapeutics (CATX) 10% Owner Lantheus Sells Shares

What Happened
Lantheus Holdings, Inc. (reported as a 10% owner) sold 78,145 shares of Perspective Therapeutics, Inc. (CATX) in an open-market sale on August 31, 2026. The filing reports a weighted-average sale price of $3.14 per share for total proceeds of approximately $245,610. The filing indicates the shares were sold in multiple transactions at prices ranging from $3.095 to $3.165.

Key Details

• Transaction date: 2026-08-31; Filing date: 2026-09-02.
• Shares sold: 78,145; Weighted-average price: $3.14; Total proceeds: ~$245,610.
• Price range reported: $3.095 to $3.165 (weighted average shown; reporting person can provide per-price breakouts on request).
• Shares held after the transaction: Not specified in the provided filing details.
• Footnotes of note:
  • F1: Reported amounts adjusted for a 1-for-10 reverse stock split effective June 14, 2024.
  • F2: Weighted-average price with a stated per-trade price range; full breakdown available on request.
  • F3: Shares are directly held by Lantheus Alpha Therapy, LLC, a wholly owned subsidiary; Lantheus Holdings may be deemed to have indirect beneficial ownership.
• Transaction code: S = Sale (disposition). No indication in the filing of a 10b5-1 plan, tax withholding, or other special conditions.

Context
This sale was executed by a 10% institutional owner (Lantheus Holdings) via a subsidiary, not by an individual executive. Such institutional dispositions can be routine portfolio management and do not, by themselves, indicate company-specific insider sentiment. The filing was submitted two days after the transaction date.