secwatch.observer — SEC 8-K summary ====================================== Issuer: Xeris Biopharma Holdings, Inc. (XERS) CIK: 0001867096 Form: 8-K Filed at: 2022-10-20T23:59:59+00:00 Accession: 0001867096-22-000117 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Xeris reports positive Phase 1 data for SC levothyroxine (XP-8121); weekly dosing matches daily oral -------------------------------------------------------------------------------- - Phase 1 study (n=60) shows proof-of-concept for once-weekly SC XP-8121 with steady-state exposure similar to daily oral Synthroid. - Population PK model implies dose conversion factor of 4X: weekly 1200 μg SC equivalent to daily 300 μg PO levothyroxine. - XP-8121 well tolerated at all doses (600, 1200, 1500 μg); safety profile comparable to Synthroid 600 μg PO. - Company expects FDA End-of-Phase 1 meeting feedback by end of 2022. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1867096/000186709622000117/0001867096-22-000117-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1867096/000186709622000117/xers-20221020.htm HTML page: https://secwatch.observer/filing/0001867096-22-000117 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer