---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-262660"
form_type: "8-K"
ticker: "EBC"
cik: "0001810546"
company_name: "Eastern Bankshares, Inc."
filed_at: "2025-11-03T23:59:59+00:00"
generated_at: "2026-05-17T00:55:52.653579+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Eastern Bankshares completes HarborOne acquisition; issues ~41.4M shares

## Summary
- Acquisition of HarborOne closed Nov 1, 2025; HONE shareholders receive 0.765 EBC shares or $12 cash per share.
- 84.99% of HONE shares converted to stock, 15.01% to cash; EBC issued ~41.43M shares in the merger.
- Pro forma shares outstanding as of Sept 30, 2025: ~238.45M.
- Two former HarborOne directors, Joseph F. Casey and Michael J. Sullivan, appointed to Eastern boards.
- HarborOne Mortgage to operate as subsidiary until Feb 2026, then merge into Eastern Bank.

## SEC filing metadata
- accession: 0001193125-25-262660
- form_type: 8-K
- ticker: EBC
- cik: 0001810546
- company_name: Eastern Bankshares, Inc.
- filed_at: 2025-11-03T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1810546/000119312525262660/0001193125-25-262660-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1810546/000119312525262660/d860427d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-262660
- JSON: https://secwatch.observer/filing/0001193125-25-262660.json
- Plain text: https://secwatch.observer/filing/0001193125-25-262660.txt

## Source-grounded claims
- claim_id: 97d541502e893d88448cf71d20908fc294536107
  claim: Eastern Bankshares, Inc. completed an acquisition involving HarborOne Bancorp, Inc. for 0.765 shares of Eastern common stock per share of HarborOne common stock, and cash in lieu of any fractional share; or $12.00 per share in cash (closed 2025-11-01).
  evidence_excerpt: (“Eastern”), the holding company for Eastern Bank, completed its acquisition of HarborOne Bancorp, Inc. (“HarborOne”) and its subsidiaries, including HarborOne Bank and HarborOne Mortgage, LLC (“HarborOne Mortgage”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1810546/000119312525262660/0001193125-25-262660-index.htm

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