Perspective Therapeutics, INC. (CATX) SEC Filings — 2026 1 SEC filing for Perspective Therapeutics, INC. (CATX) in 2026. FilingsPerspective Therapeutics Files 8-K — 8-K · Apr 20, 2026 ExploreAll CATX Filings · CATX 2025 · All 2026 Filings