Tandem Diabetes Care(TNDM) - 2025 Q4 - Annual Results

Media Contact: 858-366-6900 media@tandemdiabetes.com Investor Contact: 858-366-6900 IR@tandemdiabetes.com Exhibit 99.1 FOR IMMEDIATE RELEASE Tandem Diabetes Care Announces Fourth Quarter and Full Year 2025 Financial Results and 2026 Financial Guidance San Diego, February 19, 2026 - Tandem Diabetes Care, Inc. (Nasdaq: TNDM), a global insulin delivery and diabetes technology company, today reported its financial results for the quarter and fiscal year ended December 31, 2025 and provided its financial guidanc ...