---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-057661"
form_type: "8-K"
ticker: "WBS"
cik: "0000801337"
company_name: "WEBSTER FINANCIAL CORP"
filed_at: "2023-12-14T23:59:59+00:00"
generated_at: "2026-06-07T13:13:36.851973+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Webster to acquire Ametros for $350M cash; accretion >2% to FY25 EPS

## Summary
- Deal valued at $350M cash; expected close Q1 2024; Ametros to operate as Webster subsidiary.
- Ametros has $804M in deposits (avg cost <10 bps, duration >20 yrs, 25% CAGR projected).
- Transaction >2% accretive to FY25 consensus EPS; IRR >25%; tangible book earn-back ~5 yrs.
- Over 24,000 members; deposits under custody more than doubled over past three years.
- Enhances Webster's low-cost deposit base and healthcare financial services expertise.

## SEC filing metadata
- accession: 0001140361-23-057661
- form_type: 8-K
- ticker: WBS
- cik: 0000801337
- company_name: WEBSTER FINANCIAL CORP
- filed_at: 2023-12-14T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/801337/000114036123057661/0001140361-23-057661-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/801337/000114036123057661/ef20016692_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-057661
- JSON: https://secwatch.observer/filing/0001140361-23-057661.json
- Plain text: https://secwatch.observer/filing/0001140361-23-057661.txt

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