Copt Defense Properties SEC filings CDP
Copt Defense Properties has 1,001 filings in SEC EDGAR's recent list, going back to Jan 10, 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 | Aug 7, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 29, 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 |
| 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 |
| 4 | Insider transaction | Apr 30, 2026 | Apr 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 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 | — |
| 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 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 |
| 4 | Insider transaction | Nov 4, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Sep 25, 2025 | Sep 25, 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 18, 2025 | — |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 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 |
| 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 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 10, 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 |
| 4 | Insider transaction | Oct 31, 2024 | Oct 30, 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 |
| 4 | Insider transaction | Jul 31, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 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 |
| 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 |
| 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 | — |
| 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 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 20, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 7, 2023 |
| 4 | Insider transaction | Aug 15, 2023 | Aug 14, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 17, 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 |
| 4 | Insider transaction | May 2, 2023 | May 2, 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 |
| 3/A | Filing | Mar 2, 2023 | Feb 27, 2023 |
| 3 | Initial insider ownership | Feb 28, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 27, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2023 | — |
| 4 | Insider transaction | Feb 13, 2023 | Feb 13, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| 4 | Insider transaction | Feb 1, 2023 | Feb 1, 2023 |
| 4 | Insider transaction | Feb 1, 2023 | Feb 1, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2023 | — |
| 4 | Insider transaction | Nov 7, 2022 | Nov 3, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Oct 3, 2022 |
| 3 | Initial insider ownership | Oct 4, 2022 | Oct 1, 2022 |
| 4 | Insider transaction | Sep 23, 2022 | Sep 22, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 13, 2022 |
| 4 | Insider transaction | Jun 6, 2022 | Jun 6, 2022 |
| 4 | Insider transaction | May 19, 2022 | May 18, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 3, 2022 | May 2, 2022 |
| 4/A | Filing | Mar 31, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 30, 2022 | Mar 28, 2022 |
| 4 | Insider transaction | Mar 16, 2022 | Mar 15, 2022 |
| 4 | Insider transaction | Mar 7, 2022 | Mar 4, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 2, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 24, 2022 |
| 4 | Insider transaction | Feb 18, 2022 | Feb 17, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2022 | — |
| 4 | Insider transaction | Feb 3, 2022 | Feb 1, 2022 |
| 4 | Insider transaction | Feb 3, 2022 | Feb 1, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2022 | — |
| 4 | Insider transaction | Nov 4, 2021 | Nov 3, 2021 |
| 4 | Insider transaction | Sep 2, 2021 | Sep 2, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 16, 2021 |
| 4 | Insider transaction | Jun 9, 2021 | Jun 9, 2021 |
| 4 | Insider transaction | Jun 8, 2021 | Jun 8, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 4, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 26, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 17, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 11, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 10, 2021 |
| 4 | Insider transaction | May 5, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 4, 2021 | May 3, 2021 |
| 4 | Insider transaction | May 4, 2021 | May 3, 2021 |
| 4 | Insider transaction | Mar 24, 2021 | Jul 16, 2019 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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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.