secwatch.observer — SEC 8-K summary ====================================== Issuer: Polaryx Therapeutics, Inc. (PLYX) CIK: 0002075320 Form: 8-K Filed at: 2026-07-21T20:30:46+00:00 Accession: 0001213900-26-080041 Event type: leadership Sentiment: neutral Materiality: 0.40 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Polaryx Therapeutics CMO Lisa Bollinger resigns effective immediately --------------------------------------------------------------------- - CMO Lisa Bollinger, MD, resigned on July 19, 2026, effective immediately. - Company states resignation will not affect clinical timelines, regulatory plans, or development strategy. - Search for successor commenced; existing leadership team will assume CMO responsibilities in interim. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2075320/000121390026080041/0001213900-26-080041-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2075320/000121390026080041/ea0298434-8k_polaryx.htm HTML page: https://secwatch.observer/filing/0001213900-26-080041 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer