Perspective Therapeutics (CATX) 10% Owner Sells 113,914 Shares

What Happened

• Lantheus Alpha Therapy, LLC (a reported 10% owner of Perspective Therapeutics, Inc. — CATX) sold a total of 113,914 shares in two open-market dispositions: 78,145 shares on 2026-08-31 at a weighted average price of $3.14 (proceeds ~$245,610) and 35,769 shares on 2026-09-01 at a weighted average price of $3.12 (proceeds ~$111,574). Total proceeds across both sales were roughly $357,184. These were sales (not purchases); sales by institutional holders are often routine and do not necessarily signal a change in company outlook.

Key Details

• Transaction dates & prices:
  • 2026-08-31: 78,145 shares sold, weighted avg price $3.14 (range reported: $3.095–$3.165) — proceeds ~$245,610. (Footnote F3)
  • 2026-09-01: 35,769 shares sold, weighted avg price $3.12 (range reported: $3.08–$3.165) — proceeds ~$111,574. (Footnote F4)
• Total shares sold: 113,914; total reported proceeds: ~$357,184.
• Shares owned after the transaction: not specified in the provided excerpt of the Form 4.
• Filing/other notes:
  • The share amounts reported are adjusted for a 1-for-10 reverse stock split effective June 14, 2024 (Footnote F1).
  • These sales were also reported in Form 4s filed by Lantheus Holdings, Inc. on Sept 2 and Sept 3, 2026 (Footnote F2).
  • The reporting entity (Lantheus Alpha Therapy, LLC) is a wholly owned indirect subsidiary of Lantheus Holdings; under SEC rules Lantheus Holdings may be deemed to have indirect beneficial ownership of these shares (Footnote F5).
  • The filing discloses weighted average prices and offers to provide a per-trade price breakdown on request (Footnotes F3 & F4).
• No indication in the provided data of a 10b5-1 plan, gift, option exercise, or late filing status.

Context

• This activity was institutional selling by a 10% owner (an indirect subsidiary of Lantheus Holdings), not insider trading by an individual executive. Retail investors typically view purchases as stronger signals than routine institutional sales; here the transaction simply reflects disposition of shares by a significant holder.