secwatch.observer — SEC 8-K summary ====================================== Issuer: BEACON TOPCO, INC. (CLYD) CIK: 0002094256 Form: 8-K Filed at: 2026-09-16T23:54:59+00:00 Accession: 0001104659-26-108353 Event type: m_and_a Sentiment: neutral Materiality: 0.65 Item codes: 3.03, 5.03, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Beacon Topco completes Barinthus Bio acquisition; launches $15M share tender offer -------------------------------------------------------------------------------- - Acquisition of Barinthus Biotherapeutics closed via UK scheme of arrangement effective Sept 9, 2026; Barinthus now wholly-owned subsidiary. - Cash tender offer launched Sept 15, 2026 to buy up to $15M of Beacon Topco common stock at $6.6609 per share, net to seller, no interest. - Amended and restated certificate of incorporation adopted effective Sept 9, 2026; amended and restated bylaws effective Sept 8, 2026. - Merger Agreement dated Sept 29, 2025, as amended Feb 22, 2026, governed the transaction. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2094256/000110465926108353/0001104659-26-108353-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2094256/000110465926108353/tm2625583d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-108353 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer