Fusion Pharmaceuticals (FUSN) is the lead sponsor of 3 active clinical trials listed on ClinicalTrials.gov[2], including 3 Phase 2[1]. No Form 4 insider filings for FUSN were recorded at the SEC in the past 30 days[3]. SourcesClinicalTrials.gov (2026-04-11) ↗ ClinicalTrials.gov (2026-04-11) ↗ SEC EDGAR (2026-04-11) ↗