secwatch.observer — SEC 8-K summary ====================================== Issuer: PTC THERAPEUTICS, INC. (PTCT) CIK: 0001070081 Form: 8-K Filed at: 2025-12-29T23:59:59+00:00 Accession: 0001104659-25-124837 Event type: other_material Sentiment: neutral Materiality: 0.75 Item codes: 1.01 LLM model: deepseek-v4-flash:cloud@v2 PTC Therapeutics sells remaining Evrysdi royalty stake to Royalty Pharma for $240M upfront -------------------------------------------------------------------------------- - Sold remaining 9.5111%/16.6666% royalty interest in Evrysdi worldwide net sales for $240M upfront cash. - Up to three additional $20M payments contingent on Royalty Pharma receiving >$347M (2027), $363M (2028), $379M (2029) in royalty payments. - After closing, Royalty Pharma owns 100% of the Evrysdi royalty; PTC retains no interest. - Transaction effective December 29, 2025, under Amendment No. 2 to existing royalty purchase agreement. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1070081/000110465925124837/0001104659-25-124837-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1070081/000110465925124837/tmb-20251229x8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-124837 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer