---
schema_version: "secwatch.filing_event.v1"
accession: "0001837671-25-000089"
form_type: "8-K"
ticker: "CPPTL"
cik: "0001837671"
company_name: "Copper Property CTL Pass Through Trust"
filed_at: "2025-12-22T23:59:59+00:00"
generated_at: "2026-05-16T12:27:16.048339+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Sale transaction with Onyx Partners fails to close; deadline set for Dec. 26

## Summary
- Trust announced its sale to an affiliate of Onyx Partners, Ltd. did not close as of Dec. 22, 2025.
- Trust issued notice to Buyer: if transaction does not close by Dec. 26, 2025, the Purchase and Sale Agreement will terminate.
- No proceeds distribution expected unless a closing occurs by the deadline.

## SEC filing metadata
- accession: 0001837671-25-000089
- form_type: 8-K
- ticker: CPPTL
- cik: 0001837671
- company_name: Copper Property CTL Pass Through Trust
- filed_at: 2025-12-22T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1837671/000183767125000089/0001837671-25-000089-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1837671/000183767125000089/cpt-20251222.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001837671-25-000089
- JSON: https://secwatch.observer/filing/0001837671-25-000089.json
- Plain text: https://secwatch.observer/filing/0001837671-25-000089.txt

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