secwatch.observer — SEC 8-K summary ====================================== Issuer: SELLAS Life Sciences Group, Inc. (SLS) CIK: 0001390478 Form: 8-K Filed at: 2026-06-25T12:30:49+00:00 Accession: 0001104659-26-077556 Event type: other_material Sentiment: neutral Materiality: 0.60 Item codes: 5.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 SELLAS amends CEO Stergiou's COC severance to lump sum; revises Burns, Cicic agreements -------------------------------------------------------------------------------- - CEO Stergiou's change-in-control severance: lump sum of 24 months base salary plus 1.5x target bonus, full equity vesting, 18-month COBRA. - Non-COC severance for CFO Burns and SVP Cicic: 9 months base salary, pro-rata target bonus, up to 9 months COBRA reimbursement. - COC severance for Burns and Cicic: lump sum of 15 months base salary plus target bonus, 18-month COBRA, immediate full equity vesting. - All three agreements were approved by the board on June 24, 2026, after compensation committee review. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1390478/000110465926077556/0001104659-26-077556-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1390478/000110465926077556/tm2618927d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-077556 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer