---
schema_version: "secwatch.filing_event.v1"
accession: "0001524769-21-000016"
form_type: "8-K"
ticker: "CHKR"
cik: "0001524769"
company_name: "CHESAPEAKE GRANITE WASH TRUST"
filed_at: "2021-12-10T23:59:59+00:00"
generated_at: "2026-06-28T02:03:13.953556+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Diversified Energy acquires Tapstone Holdings for $419M; holds 50.8% of Trust units

## Summary
- Tapstone Holdings acquired by Diversified Energy Company PLC for $419M; deal closed Dec 7, 2021.
- As a result, Diversified may be deemed beneficial owner of 23.75M common units (50.8%) of the Trust.
- Trust expects no disruption to unitholders; operations and distributions continue unchanged.
- Acquisition financed with debt and co-investments from Oaktree Capital Management.
- The Bank of New York Mellon remains trustee; the Trust's documents unchanged.

## SEC filing metadata
- accession: 0001524769-21-000016
- form_type: 8-K
- ticker: CHKR
- cik: 0001524769
- company_name: CHESAPEAKE GRANITE WASH TRUST
- filed_at: 2021-12-10T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1524769/000152476921000016/0001524769-21-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1524769/000152476921000016/chkrform8-kdec2021.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001524769-21-000016
- JSON: https://secwatch.observer/filing/0001524769-21-000016.json
- Plain text: https://secwatch.observer/filing/0001524769-21-000016.txt

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