secwatch.observer — SEC 8-K summary ====================================== Issuer: Apellis Pharmaceuticals, Inc. (APLS) CIK: 0001492422 Form: 8-K Filed at: 2026-03-31T23:59:59+00:00 Accession: 0001193125-26-134916 Event type: m_and_a Sentiment: positive Materiality: 0.90 Item codes: 1.01, 5.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Biogen to acquire Apellis for $41/share plus CVRs up to $4, total up to $45/share -------------------------------------------------------------------------------- - Biogen to pay $41.00 per share cash upfront plus one CVR per share for Apellis (APLS). - CVRs entitle holders to up to $4.00/share based on SYFOVRE net sales milestones ($1.5B or $2B). - Tender offer to commence for all shares; no stockholder vote required; minimum condition >50% tendered. - Support stockholders owning ~14% of shares agree to tender; termination fee $205M under certain conditions. - Apellis board unanimously recommends; deal expected to close by Sept 30, 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1492422/000119312526134916/0001193125-26-134916-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1492422/000119312526134916/d132653d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-134916 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer