---
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"
generated_at: "2026-05-15T08:18:37.276667+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# SHUSA, SBNA, and Webster Bank sign Agreement and Plan of Merger; OCC application submitted

## Summary
- 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.

## SEC filing metadata
- accession: 0000950103-26-005096
- form_type: 8-K
- cik: 0000811830
- company_name: Santander Holdings USA, Inc.
- filed_at: 2026-03-31T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-26-005096
- JSON: https://secwatch.observer/filing/0000950103-26-005096.json
- Plain text: https://secwatch.observer/filing/0000950103-26-005096.txt

## Key facts
- Material Agreements
  Santander Holdings USA, Inc. entered into Transaction Agreement with Webster Financial Corporation (effective 2026-02-03).
  - Action: entry
  - Agreement: merger
  - Counterparty: Webster Financial Corporation
  - Effective: 2026-02-03
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/0000950103-26-005096-index.htm
- Material Agreements
  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).
  - Action: entry
  - Agreement: merger
  - Counterparty: Santander Holdings USA, Inc., Santander Bank, National Association and Webster Bank, National Association
  - Effective: 2026-03-30
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/811830/000095010326005096/0000950103-26-005096-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.