secwatch.observer — SEC 8-K summary ====================================== Issuer: KYNTRA BIO, INC. (KYNB) CIK: 0000921299 Form: 8-K Filed at: 2025-03-28T23:59:59+00:00 Accession: 0000950170-25-046948 Event type: other_material Sentiment: neutral Materiality: 0.30 Item codes: 1.01 LLM model: deepseek-v4-flash:cloud@v2 FibroGen and Fortis amend agreements, extend option exercise deadline to Dec 31, 2027 -------------------------------------------------------------------------------- - Amendments No.1 to Evaluation Agreement and Option Agreement & Plan of Merger executed March 28, 2025. - Original agreements dated June 6, 2024, as amended and restated from May 5, 2023. - Option exercise deadline under both agreements extended to December 31, 2027. - Full text of amendments to be filed with FibroGen's Q1 2025 10-Q. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/921299/000095017025046948/0000950170-25-046948-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/921299/000095017025046948/fgen-20250328.htm HTML page: https://secwatch.observer/filing/0000950170-25-046948 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer