---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-001378"
form_type: "8-K"
ticker: "WBS"
cik: "0000801337"
company_name: "WEBSTER FINANCIAL CORP"
filed_at: "2023-01-11T23:59:59+00:00"
generated_at: "2026-06-20T16:45:37.501354+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Webster completes acquisition of StoneCastle Insured Sweep (interLINK) deposit platform

## Summary
- Acquisition closed Jan 11, 2023; interLINK will operate under its brand.
- interLINK administers over $9 billion in deposits from FDIC-insured cash sweep programs.
- Platform serves broker/dealers and clearing firms with scalable technology.
- Integration into Webster expected during Q1 2023; core deposit funding to begin immediately.
- Adds technology-enabled deposit channel to Webster's omnichannel capabilities.

## SEC filing metadata
- accession: 0001140361-23-001378
- form_type: 8-K
- ticker: WBS
- cik: 0000801337
- company_name: WEBSTER FINANCIAL CORP
- filed_at: 2023-01-11T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/801337/000114036123001378/0001140361-23-001378-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/801337/000114036123001378/brhc10046503_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-001378
- JSON: https://secwatch.observer/filing/0001140361-23-001378.json
- Plain text: https://secwatch.observer/filing/0001140361-23-001378.txt

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