Corporate Office Properties Trust
A real estate investment trust that owns, develops, and manages office and data-center properties serving the U.S. government, national defense agencies, and defense and IT contractors, with a strong footprint near installations like Fort Meade in Maryland. Founded in 1988 as Royale Investments, it merged with the Shidler Group in 1997 and took the name Corporate Office Properties Trust, then rebranded in 2023 to COPT Defense Properties. The company kept the "COPT" acronym because its tenants had used it for over 25 years.
Common Shares of Beneficial Interest — Acquired by COPT Defense Properties (CDP)
Granted 2.85M · Sold 2.65M
Granted 1.15M · Bought 3.0K · Sold 518.4K
Granted 411.5K · Bought 15.5K · Sold 175.0K
Granted 258.6K · Bought 35.9K · Sold 35.9K
Granted 124.6K · Sold 6.5K
Granted 124.5K · Sold 55.0K
Granted 94.6K
Granted 139.5K · Sold 70.0K
Granted 69.3K · Sold 20.0K
Granted 45.9K
Granted 79.9K · Bought 908.6 · Sold 47.4K
Granted 17.0K · Bought 50.0K · Sold 31.8K
Granted 1.69M · Sold 1.67M
Granted 35.1K · Bought 10.0K
Granted 74.5K · Bought 5.0K · Sold 22.5K
Granted 36.3K · Bought 8.0K · Sold 20.3K
Granted 22.1K
Granted 23.9K
Granted 80.5K · Bought 1.0K · Sold 38.8K
Granted 1.8K · Bought 10.0K
Granted 15.7K
Granted 16.2K · Bought 4.5K · Sold 5.5K
Granted 11.2K · Bought 3.0K
Granted 37.9K · Sold 32.1K
Granted 36.4K · Bought 4.6K · Sold 31.4K
Granted 10.4K · Sold 500
Granted 2.0K · Bought 4.0K
Granted 208.9K · Sold 215.7K
Granted 2.7K
Granted 906
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Hamlin Clay W IIIDirector · 186 transactions | — | 12.27Mas of Apr 2014 | 2.85M | — | 2.65M |
| Griffin Randall MCEO & Trustee · 61 transactions | — | 400.0Kas of Mar 2012 | 1.15M | 3.0K | 518.4K |
| Waesche Roger A JrPresident · 64 transactions | — | 293.1Kas of Mar 2016 | 411.5K | 15.5K | 175.0K |
| Budorick Stephen EPRESIDENT/CEO, Director · 86 transactions | — | 153.9Kas of Nov 2024 | 258.6K | 35.9K | 35.9K |
| Riffe Stephen EdwardEVP and CFO · 26 transactions | — | 104.0Kas of Mar 2014 | 124.6K | — | 6.5K |
| Taylor Dwight SPres-Affiliate, CDS · 10 transactions | — | 83.1Kas of Dec 2007 | 124.5K | — | 55.0K |
| Mifsud AnthonyEVP AND CFO · 31 transactions | — | 67.8K | 94.6K | — | — |
| Singer Karen MSVP, General Counsel & Sec · 59 transactions | — | 57.2Kas of Mar 2016 | 139.5K | — | 70.0K |
| Brady Thomas FDirector · 23 transactions | — | 49.3Kas of May 2024 | 69.3K | — | 20.0K |
| Lingafelter WaynePresident of Affiliate · 29 transactions | — | 46.1Kas of Mar 2016 | 45.9K | — | — |
| Kesler Steven DDirector · 43 transactions | — | 41.3Kas of Dec 2023 | 79.9K | 908.6 | 47.4K |
| Pickett C TaylorDirector · 11 transactions | — | 40.2K | 17.0K | 50.0K | 31.8K |
| Shidler Jay HDirector · 30 transactions | — | 36.4Kas of May 2013 | 1.69M | — | 1.67M |
| Adkins Paul RExecutive Vice President &COO · 14 transactions | — | 35.5Kas of Mar 2020 | 35.1K | 10.0K | — |
| Sweet Kenneth SDirector · 18 transactions | — | 32.0Kas of Jun 2010 | 74.5K | 5.0K | 22.5K |
| Trimberger Lisa GDirector · 17 transactions | — | 27.1K | 36.3K | 8.0K | 20.3K |
| Szafranski RichardDirector · 8 transactions | — | 22.1Kas of May 2017 | 22.1K | — | — |
| Hight Elizabeth AnnDirector · 9 transactions | — | 20.8Kas of May 2017 | 23.9K | — | — |
| Thor Greg JSVP--CAO & CONTROLLER · 67 transactions | — | 18.1Kas of Mar 2022 | 80.5K | 1.0K | 38.8K |
| Omega Healthcare Investors IncDirector · 2 transactions | — | 16.8Kas of Dec 2013 | 1.8K | 10.0K | — |
| Miller Essye B.Director · 4 transactions | — | 15.7Kas of May 2025 | 15.7K | — | — |
| Hawkins Philip LDirector · 8 transactions | — | 15.2K | 16.2K | 4.5K | 5.5K |
| Snider Britt A.EVP & COO · 4 transactions | — | 14.2K | 11.2K | 3.0K | — |
| Wethe Kenneth DDirector · 27 transactions | — | 11.3Kas of Oct 2013 | 37.9K | — | 32.1K |
| Jacobstein David MDirector · 24 transactions | — | 9.6Kas of Jun 2021 | 36.4K | 4.6K | 31.4K |
| Myers Matthew TSVP-CAO & CONTROLLER · 14 transactions | — | 8.9K | 10.4K | — | 500 |
| Firstenberg Douglas MDirector · 3 transactions | — | 6.6Kas of May 2010 | 2.0K | 4.0K | — |
| Denton Robert LDirector · 124 transactions | — | 3.8K | 208.9K | — | 215.7K |
| Long Letitia ADirector · 1 transaction | — | 2.7Kas of Oct 2020 | 2.7K | — | — |
| Owens Raymond LeeDirector · 1 transaction | — | 906as of Mar 2021 | 906 | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over all recorded history: -5.49M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.