secwatch.observer — SEC 8-K summary ====================================== Issuer: XBiotech Inc. (XBIT) CIK: 0001626878 Form: 8-K Filed at: 2025-12-09T23:59:59+00:00 Accession: 0001171843-25-007836 Event type: leadership Sentiment: neutral Materiality: 0.70 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 XBiotech CEO John Simard retires; CSO Sushma Shivaswamy named interim CEO ------------------------------------------------------------------------- - John Simard retired as CEO/President effective Dec 8, 2025; continues as Chairman. - Sushma Shivaswamy, 47, appointed interim CEO effective Dec 8, remains CSO. - Shivaswamy's base salary increased to $750k while serving in dual roles. - Simard to provide consulting guidance per existing employment agreement; severance to be paid. - Board thanks Simard for 21 years; confident in Shivaswamy's leadership during interim period. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1626878/000117184325007836/0001171843-25-007836-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1626878/000117184325007836/f8k_120825.htm HTML page: https://secwatch.observer/filing/0001171843-25-007836 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer