CATX Perspective Therapeutics, Inc. - 8-K

Item 8.01 Other Events.

On May 21, 2026, Perspective Therapeutics, Inc. issued a press release announcing certain interim results from its ongoing clinical trials that are being presented at the 2026 American Society of Clinical Oncology Annual Meeting taking place May 29-June 2, 2026 in Chicago, Illinois. A copy of the press release is filed herewith as Exhibit 99.1, and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.

Description

99.1

Press Release dated May 21, 2026 .

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).