Copt Defense Properties SEC filings CDP
Copt Defense Properties has 1,000 filings in SEC EDGAR's recent list, going back to Jan 27, 2012. Its latest annual report, Form ARS, was filed on Mar 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 5, 2026 | Nov 3, 2026 |
| 4 | Insider transaction | Nov 5, 2026 | Nov 3, 2026 |
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 6, 2026 |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2026 | Jul 27, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 16, 2026 | — |
| 4 | Insider transaction | Jun 26, 2026 | Jun 26, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 8-K |
Current report
Results of operations
|
Apr 27, 2026 | Apr 27, 2026 |
| ARS | Annual report to shareholders | Mar 30, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 30, 2026 | — |
| DEF 14A | Proxy statement | Mar 30, 2026 | May 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 4, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 144 | Notice of proposed sale | Feb 23, 2026 | — |
| 10-K | Annual report | Feb 20, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 10, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2026 | Feb 5, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Feb 4, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 13, 2025 | Nov 12, 2025 |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 10, 2025 | Oct 6, 2025 |
| 8-K |
Current report
Material agreement
|
Oct 2, 2025 | Oct 2, 2025 |
| 8-K |
Current report
Other events
|
Sep 29, 2025 | Sep 23, 2025 |
| 4 | Insider transaction | Sep 25, 2025 | Sep 25, 2025 |
| 424B5 | Prospectus supplement | Sep 25, 2025 | — |
| FWP | Free writing prospectus | Sep 23, 2025 | — |
| 424B5 | Prospectus supplement | Sep 23, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 23, 2025 | Sep 23, 2025 |
| 4 | Insider transaction | Sep 18, 2025 | Sep 17, 2025 |
| 144 | Notice of proposed sale | Sep 17, 2025 | — |
| 144 | Notice of proposed sale | Sep 17, 2025 | — |
| 4 | Insider transaction | Sep 8, 2025 | Sep 5, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Aug 4, 2025 |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2025 | Jul 28, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 18, 2025 | — |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2025 | Apr 28, 2025 |
| S-3ASR | Automatic shelf registration | Apr 8, 2025 | — |
| ARS | Annual report to shareholders | Mar 31, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 31, 2025 | — |
| DEF 14A | Proxy statement | Mar 31, 2025 | May 20, 2025 |
| 4 | Insider transaction | Mar 10, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 26, 2025 |
| 10-K | Annual report | Feb 21, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2025 | Feb 6, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2025 | — |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 6, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Nov 5, 2024 | Nov 4, 2024 |
| 10-Q | Quarterly report | Nov 4, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 31, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2024 | Oct 28, 2024 |
| 4 | Insider transaction | Sep 11, 2024 | Sep 10, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 4, 2024 |
| 4 | Insider transaction | Aug 15, 2024 | Aug 14, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2024 | Jul 29, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| S-8 | Employee stock plan registration | May 20, 2024 | — |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 14, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 1, 2024 | Mar 31, 2024 |
| UPLOAD | Letter from the SEC | Apr 26, 2024 | — |
| 8-K |
Current report
Results of operations
|
Apr 25, 2024 | Apr 25, 2024 |
| CORRESP | Letter to the SEC | Apr 24, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 10, 2024 | — |
| DEFR14A | Filing | Apr 5, 2024 | — |
| ARS | Annual report to shareholders | Mar 28, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 28, 2024 | — |
| DEF 14A | Proxy statement | Mar 28, 2024 | May 9, 2024 |
| 4 | Insider transaction | Mar 18, 2024 | Mar 18, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 29, 2024 | Feb 29, 2024 |
| 10-K | Annual report | Feb 22, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Feb 21, 2024 | Feb 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 13, 2024 | Feb 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 8-K |
Current report
Results of operations
|
Feb 8, 2024 | Feb 8, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| 4 | Insider transaction | Dec 20, 2023 | Dec 20, 2023 |
| 144 | Notice of proposed sale | Dec 20, 2023 | — |
| 4 | Insider transaction | Dec 19, 2023 | Dec 19, 2023 |
| 4 | Insider transaction | Dec 14, 2023 | Dec 13, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 4/A | Filing | Dec 5, 2023 | Dec 5, 2023 |
| 4 | Insider transaction | Dec 4, 2023 | Dec 1, 2023 |
| 3 | Initial insider ownership | Dec 4, 2023 | Dec 1, 2023 |
| 8-K |
Current report
Other events
|
Nov 22, 2023 | Nov 22, 2023 |
| 424B7 | Filing | Nov 22, 2023 | — |
| 4 | Insider transaction | Nov 21, 2023 | Nov 20, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 14, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 7, 2023 |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Sep 14, 2023 | Sep 12, 2023 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Sep 8, 2023 | Sep 6, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 5, 2023 | Sep 5, 2023 |
| 4 | Insider transaction | Aug 15, 2023 | Aug 14, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2023 | Jul 27, 2023 |
| UPLOAD | Letter from the SEC | Jun 13, 2023 | — |
| CORRESP | Letter to the SEC | Jun 8, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 1, 2023 | — |
| 4 | Insider transaction | May 22, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 17, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 3, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 2, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2023 | Apr 27, 2023 |
| ARS | Annual report to shareholders | Mar 30, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 30, 2023 | — |
| DEF 14A | Proxy statement | Mar 30, 2023 | — |
| 4 | Insider transaction | Mar 23, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 8, 2023 | Mar 8, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
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Company profile
- Industry
- Real Estate Investment Trusts (SIC 6798)
- Listed as
- CDP (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MD
- Headquarters
- Columbia, MD
- SEC filer status
- Large accelerated filer
- SEC CIK
- 860546
- Former names
- CORPORATE OFFICE PROPERTIES TRUST (until Sep 14, 2023); CORPORATE OFFICE PROPERTIES TRUST INC (until Jan 22, 1998); ROYALE INVESTMENTS INC (until Nov 24, 1997)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.