---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-120758"
form_type: "8-K"
ticker: "CDP"
cik: "0000860546"
company_name: "COPT DEFENSE PROPERTIES"
filed_at: "2023-11-22T23:59:59+00:00"
generated_at: "2026-06-07T22:26:17.818309+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# COPT Defense Properties registers 14.1M shares for exchange of 5.25% senior notes due 2028

## Summary
- Filed prospectus supplement registering up to 14,104,635 common shares issuable upon exchange of 5.25% Exchangeable Senior Notes due 2028.
- Shares are for resale by recipients; the company is not selling any securities in the offering.
- Registration covers potential future exchanges of the operating partnership's notes into COPT common shares.

## SEC filing metadata
- accession: 0001104659-23-120758
- form_type: 8-K
- ticker: CDP
- cik: 0000860546
- company_name: COPT DEFENSE PROPERTIES
- filed_at: 2023-11-22T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860546/000110465923120758/0001104659-23-120758-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860546/000110465923120758/tm2331264d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-120758
- JSON: https://secwatch.observer/filing/0001104659-23-120758.json
- Plain text: https://secwatch.observer/filing/0001104659-23-120758.txt

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