---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-097782"
form_type: "8-K"
ticker: "OPIRQ"
cik: "0001456772"
company_name: "OFFICE PROPERTIES INCOME TRUST"
filed_at: "2023-09-01T23:59:59+00:00"
generated_at: "2026-06-11T00:27:21.358125+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# OPI and DHC mutually terminate merger agreement; no fee or meetings

## Summary
- Mutual termination of merger agreement dated April 11, 2023, effective September 1, 2023.
- Neither party pays termination fee; each bears its own expenses.
- Special Shareholder Meetings set for September 6, 2023 cancelled.
- Amended Property Management Agreement with RMR, conditional on merger, will not take effect.
- Termination recommended by Special Committees and approved by both Boards.

## SEC filing metadata
- accession: 0001104659-23-097782
- form_type: 8-K
- ticker: OPIRQ
- cik: 0001456772
- company_name: OFFICE PROPERTIES INCOME TRUST
- filed_at: 2023-09-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 1.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1456772/000110465923097782/0001104659-23-097782-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1456772/000110465923097782/tm2325113d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-097782
- JSON: https://secwatch.observer/filing/0001104659-23-097782.json
- Plain text: https://secwatch.observer/filing/0001104659-23-097782.txt

## Key facts
- Material Agreements
  OFFICE PROPERTIES INCOME TRUST terminated Third Amended and Restated Property Management Agreement with The RMR Group LLC (RMR) valued at Conditioned on merger consummation; merger not consummated so agreement will not become effective (effective 2023-09-01).
  - Action: termination
  - Counterparty: The RMR Group LLC (RMR)
  - Value: Conditioned on merger consummation; merger not consummated so agreement will not become effective
  - Effective: 2023-09-01
  source text: Since the merger will not be consummated, the Amended Property Management Agreement will not become effective and the Second Amended and Restated Property Management Agreement between us and RMR will remain in effect.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1456772/000110465923097782/0001104659-23-097782-index.htm
- Material Agreements
  OFFICE PROPERTIES INCOME TRUST terminated Agreement and Plan of Merger with Diversified Healthcare Trust (DHC) valued at DHC merges with and into Office Properties Income Trust; no termination fee (effective 2023-09-01).
  - Action: termination
  - Agreement: merger
  - Counterparty: Diversified Healthcare Trust (DHC)
  - Value: DHC merges with and into Office Properties Income Trust; no termination fee
  - Effective: 2023-09-01
  source text: On September 1, 2023, we and DHC 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/1456772/000110465923097782/0001104659-23-097782-index.htm

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