secwatch.observer — SEC 8-K summary ====================================== Issuer: UNITED THERAPEUTICS Corp (UTHR) CIK: 0001082554 Form: 8-K Filed at: 2025-09-02T23:59:59+00:00 Accession: 0001104659-25-085976 Event type: other_material Sentiment: positive Materiality: 0.85 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 United Therapeutics' Tyvaso succeeds in TETON-2 IPF study, shows 95.6mL FVC improvement -------------------------------------------------------------------------------- - TETON-2 met primary endpoint: Tyvaso improved absolute FVC by 95.6 mL vs placebo at week 52 (p<0.0001). - Statistically significant improvements in secondary endpoints including time to first clinical worsening, K-BILD, and DLCO. - Safety profile consistent with prior Tyvaso studies; no new safety signals observed. - Company plans FDA meeting to discuss expedited review; TETON-1 data expected H1 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1082554/000110465925085976/0001104659-25-085976-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1082554/000110465925085976/tm2524831d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-085976 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer