Exhibit 99.1 Inspire Medical Systems, Inc. Announces First Quarter 2026 Financial Results and Updates 2026 Guidance Financial Condition Full Year 2026 Guidance The Company is revising its previously announced revenue outlook to be in the range of $825 million to $875 million, which represents a decline of 4% to 10% compared to 2025. Additionally, the Company now expects annual adjusted operating margin in the range of 2% to 4%, diluted EPS in the range of $0.07 to $0.62 and adjusted diluted EPS in the range ...