secwatch.observer — SEC 8-K summary ====================================== Issuer: Santander Holdings USA, Inc. (—) CIK: 0000811830 Form: 8-K Filed at: 2026-03-31T23:59:59+00:00 Accession: 0000950103-26-005096 Event type: m_and_a Sentiment: positive Materiality: 0.70 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 SHUSA, SBNA, and Webster Bank sign Agreement and Plan of Merger; OCC application submitted -------------------------------------------------------------------------------- - Agreement provides for contribution of all Webster Bank (WBNA) shares to SBNA and immediate merger into SBNA. - Bank Merger contingent on prior HoldCo Transactions closing and OCC approval; application filed March 30, 2026. - Effective time of bank merger cannot be earlier than closing of HoldCo Transactions (Webster merger and Santander share exchange). - Transaction is integral step in Banco Santander's acquisition of Webster Financial Corporation announced February 3, 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/0000950103-26-005096-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/dp244502_8k.htm HTML page: https://secwatch.observer/filing/0000950103-26-005096 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer