---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-097781"
form_type: "8-K"
ticker: "DHC"
cik: "0001075415"
company_name: "DIVERSIFIED HEALTHCARE TRUST"
filed_at: "2023-09-01T23:59:59+00:00"
generated_at: "2026-06-11T00:20:51.274849+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# DHC and OPI mutually terminate merger agreement; no termination fee

## Summary
- Mutual termination effective September 1, 2023; no termination fee payable by either party.
- Special meetings of shareholders scheduled for September 6, 2023, cancelled.
- Each company bears its own costs and expenses related to the terminated merger.
- Merger agreement originally signed on April 11, 2023, for OPI to acquire all DHC common shares.

## SEC filing metadata
- accession: 0001104659-23-097781
- form_type: 8-K
- ticker: DHC
- cik: 0001075415
- company_name: DIVERSIFIED HEALTHCARE TRUST
- filed_at: 2023-09-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 1.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1075415/000110465923097781/0001104659-23-097781-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1075415/000110465923097781/tm2325112d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-097781
- JSON: https://secwatch.observer/filing/0001104659-23-097781.json
- Plain text: https://secwatch.observer/filing/0001104659-23-097781.txt

## Key facts
- Material Agreements
  DIVERSIFIED HEALTHCARE TRUST terminated Agreement and Plan of Merger with Office Properties Income Trust valued at Mutual termination of Merger Agreement; no termination fee (effective 2023-09-01).
  - Action: termination
  - Agreement: merger
  - Counterparty: Office Properties Income Trust
  - Value: Mutual termination of Merger Agreement; no termination fee
  - Effective: 2023-09-01
  source text: On September 1, 2023, we and OPI mutually agreed to terminate the Merger Agreement and entered into a termination agreement, or the Termination Agreement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1075415/000110465923097781/0001104659-23-097781-index.htm

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