Insmed(INSM) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Insmed Reports First-Quarter 2025 Financial Results and Provides Business Update —ARIKAYCE® (amikacin liposome inhalation suspension) Total Revenue of $92.8 Million for the First Quarter of 2025, Reflecting 23% Growth Over the First Quarter of 2024— —NDA for Brensocatib in Patients with Bronchiectasis Remains on Track, with a PDUFA Target Action Date of August 12, 2025— —Phase 2b Study of TPIP in Patients with PAH Completed; Topline Data Expected in June 2025— —Enrollment Completed for Phase 2b ...