secwatch.observer — SEC 8-K summary ====================================== Issuer: X4 Pharmaceuticals, Inc (XFOR) CIK: 0001501697 Form: 8-K Filed at: 2026-09-08T21:36:46+00:00 Accession: 0001501697-26-000076 Event type: other Sentiment: neutral Materiality: 0.10 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 X4 Pharmaceuticals posts updated corporate presentation on website ------------------------------------------------------------------ - X4 Pharmaceuticals posted an updated corporate presentation dated September 8, 2026. - Presentation cover page shows Nasdaq ticker XFOR; no financial data included in filing. - Filing contains no specific operational, financial, or pipeline updates. - Presentation available in Investors section of company website at www.x4pharma.com. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1501697/000150169726000076/0001501697-26-000076-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1501697/000150169726000076/xfor-20260908.htm HTML page: https://secwatch.observer/filing/0001501697-26-000076 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer