{"schema_version":"secwatch.filing_event.v1","accession":"0000950103-26-005096","form_type":"8-K","ticker":null,"cik":"0000811830","company_name":"Santander Holdings USA, Inc.","filed_at":"2026-03-31T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.753994+00:00","generated_at":"2026-05-15T08:18:37.276667+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"SHUSA, SBNA, and Webster Bank sign Agreement and Plan of Merger; OCC application submitted","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0000950103-26-005096","json":"https://secwatch.observer/filing/0000950103-26-005096.json","markdown":"https://secwatch.observer/filing/0000950103-26-005096.md","text":"https://secwatch.observer/filing/0000950103-26-005096.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/0000950103-26-005096-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/dp244502_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:18:37.276667+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"36a7657598367b5dec8a8cf460302a02f04047bc","claim":"Santander Holdings USA, Inc. entered into Transaction Agreement with Webster Financial Corporation (effective 2026-02-03).","evidence_excerpt":"On February 3, 2026, Banco Santander, S.A., a Spanish sociedad anónima (“ Banco Santander ”), which owns all of the outstanding shares of capital stock of Santander Holdings USA, Inc. (“ SHUSA ” and, together with Banco Santander and its affiliates, “ Santander ”), entered into a Transaction Agreement (the “ Transaction Agreement ”) with Webster Financial Corporation, a Delaware corporation (“ Webster ”), which owns all of the outstanding shares of capital stock of Webster Bank, National Association (“ WBNA ”), and a wholly-owned subsidiary of Webster incorporated in the State of Virginia ( “ Webster Virginia ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/0000950103-26-005096-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Webster Financial Corporation"},{"label":"Effective","value":"2026-02-03"}]},{"claim_id":"4f14baaad904de18dd4c5ab09ed94bd2a74d6985","claim":"Santander Holdings USA, Inc. entered into Agreement and Plan of Merger with Santander Holdings USA, Inc., Santander Bank, National Association and Webster Bank, National Association (effective 2026-03-30).","evidence_excerpt":"On March 30, 2026, SHUSA, SBNA and WBNA entered into an Agreement and Plan of Merger to provide for the WBNA Contribution and the Bank Merger (the “ Agreement and Plan of Merger ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/0000950103-26-005096-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Santander Holdings USA, Inc., Santander Bank, National Association and Webster Bank, National Association"},{"label":"Effective","value":"2026-03-30"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}