secwatch.observer — SEC 8-K summary ====================================== Issuer: PTC THERAPEUTICS, INC. (PTCT) CIK: 0001070081 Form: 8-K Filed at: 2026-02-12T23:59:59+00:00 Accession: 0001104659-26-014414 Event type: regulatory Sentiment: negative Materiality: 0.85 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 PTC Therapeutics withdraws Translarna NDA resubmission after FDA cites insufficient efficacy data -------------------------------------------------------------------------------- - Withdrew NDA resubmission for Translarna (ataluren) for nonsense mutation Duchenne muscular dystrophy. - FDA feedback indicated data unlikely to meet substantial evidence of effectiveness threshold. - CEO Matthew Klein expressed disappointment after more than two decades of development efforts. - No path to FDA approval for Translarna in the U.S. at this time. - PTC Therapeutics (PTCT) shares potential negative impact from this regulatory setback. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1070081/000110465926014414/0001104659-26-014414-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1070081/000110465926014414/tmb-20260212x8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-014414 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer