secwatch.observer — SEC 8-K summary ====================================== Issuer: OCTAVE SPECIALTY GROUP INC (OSG) CIK: 0000874501 Form: 8-K Filed at: 2025-09-29T23:59:59+00:00 Accession: 0001628280-25-043137 Event type: m_and_a Sentiment: positive Materiality: 0.80 Item codes: 1.01, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Ambac to acquire ArmadaCare from SiriusPoint for $250M, expects Q4 2025 close ----------------------------------------------------------------------------- - Purchase price $250M; financed with $100M term loan and $20M revolver from Truist. - Transaction expected to close Q4 2025, subject to customary regulatory approvals. - Deal expected to be accretive to Ambac shareholders in 2026. - ArmadaCare CEO Ed Walker to continue leading the business; new 5-year capacity agreement with SiriusPoint. - Investor call on Sept 30 at 8:30am ET to discuss strategic update. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/874501/000162828025043137/0001628280-25-043137-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/874501/000162828025043137/ambc-20250929.htm HTML page: https://secwatch.observer/filing/0001628280-25-043137 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer