XNYS 09 Jul, 2025 5:30 PM (EDT)
| Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|
| G. Lisa Trimberger | Director | Sale of securities on an exchange or to another person at price $ 25.48 per share. | 20 Dec 2023 | 7,357 | 16,863 (0%) | 0% | 25.5 | 187,444 | Common Shares |
| Snider A. Britt | EVP & COO | Purchase of securities on an exchange or from another person at price $ 25.11 per share. | 19 Dec 2023 | 1,000 | 1,000 (0%) | 0% | 25.1 | 25,110 | Common Shares |
| D. Steven Kesler | Director | Sale of securities on an exchange or to another person at price $ 25.44 per share. | 13 Dec 2023 | 1,719 | 41,313 (0%) | 0% | 25.4 | 43,731 | Common Shares |
| Robert Denton L. | Director | 07 Dec 2023 | 2,000 | 193,764 | - | - | Common Units-CDPLP | ||
| Myers T. Matthew | SVP-CAO & CONTROLLER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Dec 2023 | 2,624 | 6,374 (0%) | 0% | - | Common Shares | |
| Britt A. Snider | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Dec 2023 | 23,474 | 23,474 | - | - | Profit Interest Units | |
| T. Matthew Myers | SVP-CAO & CONTROLLER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.20 per share. | 01 Dec 2023 | 250 | 6,124 (0%) | 0% | 24.2 | 6,050 | Common Shares |
| Robert L. Denton | Director | 20 Nov 2023 | 4,000 | 195,764 | - | - | Common Units-CDPLP | ||
| Robert L. Denton | Director | 10 Nov 2023 | 1,000 | 199,764 | - | - | Common Units-CDPLP | ||
| Robert L. Denton | Director | 07 Nov 2023 | 1,000 | 200,764 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 14 Aug 2023 | 1,500 | 201,764 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 22 May 2023 | 1,500 | 203,264 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 22.95 per share. | 17 May 2023 | 3,941 | 4,523 (0%) | 0% | 22.9 | 90,440 | Common Shares |
| Philip L. Hawkins | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 19,298 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 8,464 (0%) | 0% | - | Common Shares | |
| Steven D. Kesler | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 43,032 (0%) | 0% | - | Common Shares | |
| Thomas F. Brady | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 44,876 (0%) | 0% | - | Common Shares (deferred) | |
| C. Taylor Pickett | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 19,298 | - | - | Profit Interest Units | |
| Raymond Lee Owens | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 11,880 | - | - | Profit Interest Units | |
| Letitia A. Long | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 11,880 | - | - | Profit Interest Units | |
| Lisa G. Trimberger | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 24,220 (0%) | 0% | - | Common Shares | |
| Essye B. Miller | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 4,523 | 7,353 | - | - | Restricted Shares | |
| Robert L. Denton | Director | 02 May 2023 | 2,000 | 204,764 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 23 Mar 2023 | 2,000 | 206,764 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 08 Mar 2023 | 7,000 | 208,764 | - | - | Common Units-COPLP | ||
| Anthony Mifsud | EVP AND CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2023 | 16,666 | 143,538 | - | - | Profit Interest Units | |
| Stephen E. Budorick | PRESIDENT /CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2023 | 54,238 | 446,568 | - | - | Profit Interest Units | |
| Todd W. Hartman | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2023 | 16,666 | 16,666 | - | - | Profit Interest Units | |
| Matthew T. Myers | SVP-CAO & CONTROLLER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2023 | 2,624 | 2,624 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | 27 Feb 2023 | 1,500 | 215,764 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 13 Feb 2023 | 4,000 | 217,264 | - | - | Common Units-COPLP | ||
| Anthony Mifsud | EVP AND CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Feb 2023 | 35,606 | 126,872 | - | - | Profit Interest Units | |
| Stephen E. Budorick | PRESIDENT /CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Feb 2023 | 105,546 | 392,330 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | 03 Nov 2022 | 2,000 | 221,264 | - | - | Common Units-COPLP | ||
| Essye B. Miller | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Oct 2022 | 2,830 | 2,830 | - | - | Restricted Shares | |
| Robert L. Denton | Director | 22 Sep 2022 | 1,250 | 223,264 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 15 Aug 2022 | 2,000 | 224,514 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 13 Jun 2022 | 1,000 | 226,514 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | 06 Jun 2022 | 4,000 | 227,514 | - | - | Common Units-COPLP | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 26.74 per share. | 18 May 2022 | 3,416 | 3,941 (0%) | 0% | 26.7 | 91,360 | Common Shares |
| Philip L. Hawkins | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 14,775 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 7,357 (0%) | 0% | - | Common Shares | |
| Steven D. Kesler | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 38,509 (0%) | 0% | - | Common Shares | |
| Thomas F. Brady | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 40,353 (0%) | 0% | - | Common Shares (deferred) | |
| C. Taylor Pickett | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 14,775 | - | - | Profit Interest Units | |
| Raymond Lee Owens | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 7,357 | - | - | Profit Interest Units | |
| Letitia A. Long | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 7,357 | - | - | Profit Interest Units | |
| Lisa G. Trimberger | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2022 | 3,941 | 19,697 (0%) | 0% | - | Common Shares | |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 02 May 2022 | 1,000 | 231,514 | - | - | Common Units-COPLP | |
| Gregory J. Thor | SVP--CAO & CONTROLLER | Sale of securities on an exchange or to another person at price $ 28.79 per share. | 28 Mar 2022 | 2,333 | 20,096 (0%) | 0% | 28.8 | 67,157 | Common Shares |
| Gregory J. Thor | SVP--CAO & CONTROLLER | Sale of securities on an exchange or to another person at price $ 29.35 per share. | 28 Mar 2022 | 2,000 | 18,096 (0%) | 0% | 29.4 | 58,702 | Common Shares |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 15 Mar 2022 | 3,000 | 232,514 | - | - | Common Units-COPLP | |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 04 Mar 2022 | 3,000 | 235,514 | - | - | Common Units-COPLP | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2022 | 14,760 | 91,266 | - | - | Profit Interest Units | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2022 | 6,801 | 22,429 (0%) | 0% | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.21 per share. | 01 Mar 2022 | 756 | 15,628 (0%) | 0% | 26.2 | 19,815 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.21 per share. | 01 Mar 2022 | 757 | 16,384 (0%) | 0% | 26.2 | 19,841 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.21 per share. | 01 Mar 2022 | 718 | 17,141 (0%) | 0% | 26.2 | 18,819 | Common Shares |
| C. Taylor Pickett | Director | Purchase of securities on an exchange or from another person at price $ 24.97 per share. | 24 Feb 2022 | 20,000 | 20,000 (0%) | 0% | 25.0 | 499,322 | Common Shares |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 17 Feb 2022 | 2,000 | 238,514 | - | - | Common Units-COPLP | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Feb 2022 | 37,578 | 76,506 | - | - | Profit Interest Units | |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Feb 2022 | 118,526 | 238,365 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 03 Nov 2021 | 1,500 | 240,514 | - | - | Common Units - COPLP | |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 02 Sep 2021 | 2,000 | 242,014 | - | - | Common Units - COPLP | |
| Robert L. Denton | Director | Other type of transaction at price $ 0.00 per share. | 16 Jun 2021 | 2,000 | 244,014 | - | - | Common Units - COPLP | |
| Steven D. Kesler | Director | Sale of securities on an exchange or to another person at price $ 30.07 per share. | 09 Jun 2021 | 3,000 | 34,568 (0%) | 0% | 30.1 | 90,210 | Common Shares |
| Steven D. Kesler | Director | Sale of securities on an exchange or to another person at price $ 29.64 per share. | 08 Jun 2021 | 8,000 | 37,568 (0%) | 0% | 29.6 | 237,142 | Common Shares |
| David M. Jacobstein | Director | Sale of securities on an exchange or to another person at price $ 28.07 per share. | 04 Jun 2021 | 4,000 | 9,567 (0%) | 0% | 28.1 | 112,281 | Common Shares |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 27.28 per share. | 26 May 2021 | 3,986 | 3,416 (0%) | 0% | 27.3 | 108,753 | COPT - Common Shares |
| Philip L. Hawkins | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 10,834 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 7,402 (0%) | 0% | - | Common Shares | |
| Steven D. Kesler | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 45,568 (0%) | 0% | - | Common Shares | |
| Thomas F. Brady | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 36,412 (0%) | 0% | - | Common Shares (deferred) | |
| C. Taylor Pickett | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 10,834 | - | - | Profit Interest Units | |
| David M. Jacobstein | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 13,567 (0%) | 0% | - | Common Shares | |
| Raymond Lee Owens | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 3,416 | - | - | Profit Interest Units | |
| Letitia A. Long | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 3,416 | - | - | Profit Interest Units | |
| Lisa G. Trimberger | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2021 | 3,416 | 15,756 (0%) | 0% | - | Common shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 28.17 per share. | 10 May 2021 | 1,880 | 17,859 (0%) | 0% | 28.2 | 52,952 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 28.40 per share. | 03 May 2021 | 2,000 | 19,739 (0%) | 0% | 28.4 | 56,800 | Common Shares |
| Lisa G. Trimberger | Director | Sale of securities on an exchange or to another person at price $ 28.05 per share. | 03 May 2021 | 5,000 | 0 (0%) | 0% | 28.0 | 140,234 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 28.01 per share. | 16 Mar 2021 | 3,880 | 21,739 (0%) | 0% | 28.0 | 108,663 | Common Shares |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 26.82 per share. | 12 Mar 2021 | 2,000 | 3,986 (0%) | 0% | 26.8 | 53,645 | COPT - Common Shares |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 27.06 per share. | 11 Mar 2021 | 1,500 | 5,986 (0%) | 0% | 27.1 | 40,585 | COPT - Common Shares |
| Robert L. Denton | Director | 09 Mar 2021 | 3,500 | 7,486 (0%) | 0% | - | COPT - Common Shares | ||
| Robert L. Denton | Director | 09 Mar 2021 | 3,500 | 252,514 | - | - | Common Units - COPLP | ||
| Raymond Lee Owens | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2021 | 906 | 906 | - | - | Restricted Shares | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2021 | 14,752 | 38,928 | - | - | Profit Interest Units | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.00 per share. | 01 Mar 2021 | 1,407 | 59,685 (0%) | 0% | 26 | 36,582 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.00 per share. | 01 Mar 2021 | 754 | 18,811 (0%) | 0% | 26 | 19,604 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.00 per share. | 01 Mar 2021 | 711 | 20,283 (0%) | 0% | 26 | 18,486 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.00 per share. | 01 Mar 2021 | 718 | 19,565 (0%) | 0% | 26 | 18,668 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2021 | 6,808 | 25,619 (0%) | 0% | - | Common Shares | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.00 per share. | 01 Mar 2021 | 4,545 | 189,736 (0%) | 0% | 26 | 118,170 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2021 | 46,154 | 119,839 | - | - | Profit Interest Units | |
| Todd W. Hartman | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2021 | 12,750 | 36,015 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 26.80 per share. | 11 Feb 2021 | 4,554 | 3,986 (0%) | 0% | 26.8 | 122,035 | COPT - Common Shares |
| Robert L. Denton | Director | 08 Feb 2021 | 4,554 | 256,014 | - | - | Common Units - COPLP | ||
| Robert L. Denton | Director | 08 Feb 2021 | 4,554 | 8,540 (0%) | 0% | - | COPT - Common Shares | ||
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Feb 2021 | 22,164 | 71,983 (0%) | 0% | 0 | Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.71 per share. | 03 Feb 2021 | 10,891 | 61,092 (0%) | 0% | 26.7 | 290,899 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.71 per share. | 03 Feb 2021 | 29,151 | 194,281 (0%) | 0% | 26.7 | 778,623 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Feb 2021 | 71,660 | 223,432 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.75 per share. | 29 Dec 2020 | 465 | 151,189 (0%) | 0% | 25.8 | 11,974 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.52 per share. | 23 Dec 2020 | 586 | 150,724 (0%) | 0% | 25.5 | 14,955 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.80 per share. | 22 Dec 2020 | 544 | 150,138 (0%) | 0% | 25.8 | 14,036 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.42 per share. | 21 Dec 2020 | 548 | 149,594 (0%) | 0% | 25.4 | 13,930 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.70 per share. | 18 Dec 2020 | 583 | 149,046 (0%) | 0% | 25.7 | 14,983 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.47 per share. | 11 Dec 2020 | 314 | 148,463 (0%) | 0% | 25.5 | 7,999 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.50 per share. | 10 Dec 2020 | 315 | 148,149 (0%) | 0% | 25.5 | 8,033 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.48 per share. | 09 Dec 2020 | 314 | 147,834 (0%) | 0% | 25.5 | 8,001 | Common Shares |
| Todd W. Hartman | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Dec 2020 | 23,265 | 23,265 | - | - | Profit Interest Units | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 28.09 per share. | 24 Nov 2020 | 6,440 | 20,994 (0%) | 0% | 28.1 | 180,900 | Common Shares |
| Robert L. Denton | Director | 16 Nov 2020 | 2,000 | 5,986 (0%) | 0% | - | COPT - Common Shares | ||
| Robert L. Denton | Director | 16 Nov 2020 | 2,000 | 260,568 | - | - | Common Units - COPLP | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 26.83 per share. | 16 Nov 2020 | 2,000 | 3,986 (0%) | 0% | 26.8 | 53,660 | COPT - Common Shares |
| Letitia A. Long | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Oct 2020 | 2,707 | 2,707 (0%) | 0% | - | Common Shares (deferred) | |
| C. Taylor Pickett | Director | Purchase of securities on an exchange or from another person at price $ 22.16 per share. | 24 Sep 2020 | 10,000 | 46,986 (0%) | 0% | 22.2 | 221,601 | Common Shares |
| C. Taylor Pickett | Director | Purchase of securities on an exchange or from another person at price $ 23.20 per share. | 11 Sep 2020 | 10,000 | 36,986 (0%) | 0% | 23.2 | 231,954 | Common Shares |
| David M. Jacobstein | Director | Sale of securities on an exchange or to another person at price $ 25.35 per share. | 18 Aug 2020 | 3,400 | 10,151 (0%) | 0% | 25.3 | 86,186 | Common Shares |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 26.58 per share. | 03 Jun 2020 | 1,716 | 266,554 (0%) | 0% | 26.6 | 45,610 | Common Shares |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 25.54 per share. | 02 Jun 2020 | 1,716 | 268,270 (0%) | 0% | 25.5 | 43,827 | Common Shares |
| Philip L. Hawkins | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 7,418 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 269,986 (0%) | - | - | Common Shares (deferred) | |
| Steven D. Kesler | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 42,152 (0%) | - | - | Common Shares (deferred) | |
| Thomas F. Brady | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 32,996 (0%) | - | - | Common Shares (deferred) | |
| C. Taylor Pickett | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 7,418 | - | - | Profit Interest Units | |
| David M. Jacobstein | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 13,551 (0%) | - | - | Common Shares (deferred) | |
| Lisa G. Trimberger | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 May 2020 | 3,986 | 20,340 (0%) | 0% | - | Common shares | |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 16.92 per share. | 19 Mar 2020 | 1,475 | 147,520 (0%) | 0% | 16.9 | 24,957 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 19.58 per share. | 17 Mar 2020 | 2,530 | 146,045 (0%) | 0% | 19.6 | 49,537 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 824 | 51,225 (0%) | 0% | 25.3 | 20,880 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 1,406 | 49,819 (0%) | 0% | 25.3 | 35,628 | Common Shares |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2020 | 13,513 | 24,176 | - | - | Profit Interest Units | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 510 | 22,048 (0%) | 0% | 25.3 | 12,923 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2020 | 6,815 | 27,434 (0%) | 0% | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 711 | 20,619 (0%) | 0% | 25.3 | 18,017 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 711 | 21,337 (0%) | 0% | 25.3 | 18,017 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2020 | 40,055 | 73,685 | - | - | Profit Interest Units | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 2,659 | 148,059 (0%) | 0% | 25.3 | 67,379 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 4,544 | 143,515 (0%) | 0% | 25.3 | 115,145 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 1,131 | 35,513 (0%) | 0% | 25.3 | 28,660 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2020 | 13,513 | 24,176 | - | - | Profit Interest Units | |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.34 per share. | 01 Mar 2020 | 693 | 36,644 (0%) | 0% | 25.3 | 17,561 | Common Shares |
| Steven D. Kesler | Director | Sale of securities on an exchange or to another person at price $ 30.00 per share. | 14 Feb 2020 | 1,000 | 38,166 (0%) | 0% | 30 | 30,000 | Common Shares |
| Robert L. Denton | Director | 10 Feb 2020 | 5,000 | 8,432 (0%) | 0% | - | Common Shares - COPT | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 29.67 per share. | 10 Feb 2020 | 5,000 | 3,432 (0%) | 0% | 29.7 | 148,350 | Common Shares - COPT |
| Robert L. Denton | Director | 10 Feb 2020 | 5,000 | 262,568 (0%) | 0% | - | Common Units-COPLP | ||
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2020 | 4,314 | 54,290 (0%) | 0% | - | Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 29.64 per share. | 13 Jan 2020 | 2,241 | 52,049 (0%) | 0% | 29.6 | 66,423 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2020 | 13,912 | 155,464 (0%) | 0% | - | Common Shares | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 29.64 per share. | 13 Jan 2020 | 4,746 | 150,718 (0%) | 0% | 29.6 | 140,671 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 29.64 per share. | 13 Jan 2020 | 1,910 | 37,337 (0%) | 0% | 29.6 | 56,612 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Jan 2020 | 4,955 | 39,247 (0%) | 0% | - | Common Shares | |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 29.17 per share. | 30 Dec 2019 | 1,028 | 141,552 (0%) | 0% | 29.2 | 29,987 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 29.24 per share. | 27 Dec 2019 | 513 | 140,524 (0%) | 0% | 29.2 | 15,000 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 29.19 per share. | 26 Dec 2019 | 514 | 140,011 (0%) | 0% | 29.2 | 15,004 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 29.24 per share. | 23 Dec 2019 | 513 | 139,497 (0%) | 0% | 29.2 | 15,000 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 29.47 per share. | 20 Dec 2019 | 509 | 138,984 (0%) | 0% | 29.5 | 15,000 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.79 per share. | 18 Dec 2019 | 1,042 | 137,955 (0%) | 0% | 28.8 | 29,999 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.75 per share. | 18 Dec 2019 | 520 | 138,475 (0%) | 0% | 28.8 | 14,950 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.22 per share. | 17 Dec 2019 | 1,063 | 136,913 (0%) | 0% | 28.2 | 29,998 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.29 per share. | 16 Dec 2019 | 1,061 | 135,850 (0%) | 0% | 28.3 | 30,016 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 27.69 per share. | 13 Dec 2019 | 1,083 | 134,789 (0%) | 0% | 27.7 | 29,988 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.41 per share. | 12 Dec 2019 | 1,056 | 133,706 (0%) | 0% | 28.4 | 30,001 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.49 per share. | 11 Dec 2019 | 1,053 | 132,650 (0%) | 0% | 28.5 | 30,000 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 29.18 per share. | 02 Dec 2019 | 1,035 | 34,292 (0%) | 0% | 29.2 | 30,201 | Common Shares |
| Robert L. Denton | Director | 06 Nov 2019 | 2,000 | 5,432 (0%) | 0% | - | Common Shares - COPT | ||
| Robert L. Denton | Director | 06 Nov 2019 | 2,000 | 267,568 (0%) | 0% | - | Common Units-COPLP | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 29.18 per share. | 06 Nov 2019 | 2,000 | 3,432 (0%) | 0% | 29.2 | 58,360 | Common Shares - COPT |
| Robert L. Denton | Director | 11 Sep 2019 | 2,432 | 5,864 (0%) | 0% | - | Common Shares - COPT | ||
| Robert L. Denton | Director | 11 Sep 2019 | 2,432 | 269,568 (0%) | 0% | - | Common Units-COPLP | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 29.63 per share. | 11 Sep 2019 | 2,432 | 3,432 (0%) | 0% | 29.6 | 72,066 | Common Shares-COPT |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 29.11 per share. | 21 Aug 2019 | 2,507 | 22,558 (0%) | 0% | 29.1 | 72,979 | Common Shares |
| Robert L. Denton | Director | 01 Aug 2019 | 4,000 | 7,432 (0%) | 0% | - | Common Shares-COPT | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 27.73 per share. | 01 Aug 2019 | 4,000 | 3,432 (0%) | 0% | 27.7 | 110,906 | Common Shares-COPT |
| Robert L. Denton | Director | 01 Aug 2019 | 4,000 | 272,000 (0%) | 0% | - | Common Units - COPLP | ||
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 30.00 per share. | 16 Jul 2019 | 6 | 42,152 (0%) | 0% | 30 | 180 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 26.14 per share. | 16 Jul 2019 | 7 | 42,152 (0%) | 0% | 26.1 | 183 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 26.71 per share. | 16 Jul 2019 | 7 | 42,152 (0%) | 0% | 26.7 | 187 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 26.57 per share. | 16 Jul 2019 | 7 | 42,152 (0%) | 0% | 26.6 | 186 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 27.14 per share. | 16 Jul 2019 | 7 | 42,152 (0%) | 0% | 27.1 | 190 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 30.17 per share. | 16 Jul 2019 | 6 | 42,152 (0%) | 0% | 30.2 | 181 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 27.00 per share. | 16 Jul 2019 | 7 | 42,152 (0%) | 0% | 27 | 189 | COPT-Common Shares |
| Steven D. Kesler | Director | Purchase of securities on an exchange or from another person at price $ 26.99 per share. | 15 Jul 2019 | 360 | 39,166 (0%) | 0% | 27.0 | 9,716 | Common Shares |
| David M. Jacobstein | Director | Sale of securities on an exchange or to another person at price $ 28.12 per share. | 17 May 2019 | 3,458 | 9,565 (0%) | 0% | 28.1 | 97,256 | Common Shares |
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 28.21 per share. | 14 May 2019 | 3,458 | 279,432 (0%) | 0% | 28.2 | 97,549 | Common Shares |
| Philip L. Hawkins | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 3,432 | - | - | Profit Interest Units | |
| Robert L. Denton | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 282,890 (0%) | 0% | - | Common Shares (deferred) | |
| Steven D. Kesler | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 38,806 (0%) | 0% | - | Common Shares | |
| Thomas F. Brady | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 29,010 (0%) | 0% | - | Common Shares (deferred) | |
| C. Taylor Pickett | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 3,432 | - | - | Profit Interest Units | |
| David M. Jacobstein | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 13,023 (0%) | 0% | - | Common Shares (deferred) | |
| Lisa G. Trimberger | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 May 2019 | 3,432 | 16,354 (0%) | 0% | - | Common shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.30 per share. | 01 Apr 2019 | 1,875 | 49,976 (0%) | 0% | 27.3 | 51,188 | Common Shares |
| Robert L. Denton | Director | 11 Mar 2019 | 4,000 | 276,000 (0%) | 0% | - | Common Units - COPLP | ||
| Robert L. Denton | Director | 11 Mar 2019 | 4,000 | 7,458 (0%) | 0% | - | Common Shares-COPT | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 26.79 per share. | 11 Mar 2019 | 4,000 | 3,458 (0%) | 0% | 26.8 | 107,160 | Common Shares-COPT |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2019 | 10,663 | 10,663 | - | - | Profit Interest Units | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 1,337 | 51,851 (0%) | 0% | 26.0 | 34,749 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 784 | 53,188 (0%) | 0% | 26.0 | 20,376 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 943 | 53,972 (0%) | 0% | 26.0 | 24,509 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2019 | 6,464 | 26,065 (0%) | 0% | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 705 | 19,822 (0%) | 0% | 26.0 | 18,323 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 510 | 19,312 (0%) | 0% | 26.0 | 13,255 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 711 | 18,601 (0%) | 0% | 26.0 | 18,479 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 2,658 | 136,141 (0%) | 0% | 26.0 | 69,081 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2019 | 33,630 | 33,630 | - | - | Profit Interest Units | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 4,544 | 131,597 (0%) | 0% | 26.0 | 118,099 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 3,275 | 138,799 (0%) | 0% | 26.0 | 85,117 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2019 | 10,663 | 10,663 | - | - | Profit Interest Units | |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 692 | 36,458 (0%) | 0% | 26.0 | 17,985 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 01 Mar 2019 | 1,131 | 35,327 (0%) | 0% | 26.0 | 29,395 | Common Shares |
| Robert L. Denton | Director | 12 Feb 2019 | 1,500 | 280,000 (0%) | 0% | - | Common Units - COPLP | ||
| Robert L. Denton | Director | Sale of securities on an exchange or to another person at price $ 25.65 per share. | 12 Feb 2019 | 1,500 | 3,458 (0%) | 0% | 25.7 | 38,475 | Common Shares-COPT |
| Robert L. Denton | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Feb 2019 | 1,500 | 4,958 (0%) | 0% | - | Common Shares-COPT | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 23.47 per share. | 18 Jan 2019 | 10,394 | 59,879 (0%) | 0% | 23.5 | 243,947 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 23.47 per share. | 18 Jan 2019 | 4,964 | 54,915 (0%) | 0% | 23.5 | 116,505 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 23.47 per share. | 18 Jan 2019 | 34,363 | 153,647 (0%) | 0% | 23.5 | 806,500 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 23.47 per share. | 18 Jan 2019 | 11,573 | 142,074 (0%) | 0% | 23.5 | 271,618 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 20.74 per share. | 31 Dec 2018 | 1,206 | 119,284 (0%) | 0% | 20.7 | 25,012 | Common Shares |
| Steven D. Kesler | None | Purchase of securities on an exchange or from another person at price $ 20.80 per share. | 27 Dec 2018 | 500 | 34,690 (0%) | 0% | 20.8 | 10,400 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 20.57 per share. | 24 Dec 2018 | 1,213 | 118,078 (0%) | 0% | 20.6 | 24,951 | Common Shares |
| Philip L. Hawkins | None | Purchase of securities on an exchange or from another person at price $ 22.54 per share. | 14 Dec 2018 | 4,500 | 20,724 (0%) | 0% | 22.5 | 101,420 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 22.42 per share. | 14 Dec 2018 | 1,115 | 116,865 (0%) | 0% | 22.4 | 24,998 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 23.19 per share. | 13 Dec 2018 | 1,035 | 115,750 (0%) | 0% | 23.2 | 24,002 | Common Shares |
| Lisa G. Trimberger | None | Purchase of securities on an exchange or from another person at price $ 23.16 per share. | 13 Dec 2018 | 2,000 | 2,000 (0%) | 0% | 23.2 | 46,315 | Common shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 24.24 per share. | 11 Dec 2018 | 990 | 114,715 (0%) | 0% | 24.2 | 23,998 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 24.35 per share. | 07 Dec 2018 | 1,127 | 113,725 (0%) | 0% | 24.3 | 27,438 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 24.14 per share. | 06 Dec 2018 | 2,070 | 112,598 (0%) | 0% | 24.1 | 49,970 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.47 per share. | 03 Dec 2018 | 976 | 37,150 (0%) | 0% | 24.5 | 23,883 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 24.90 per share. | 19 Nov 2018 | 4,023 | 110,528 (0%) | 0% | 24.9 | 100,183 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.73 per share. | 31 Oct 2018 | 610 | 106,505 (0%) | 0% | 25.7 | 15,697 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 29.41 per share. | 25 Sep 2018 | 527 | 105,895 (0%) | 0% | 29.4 | 15,499 | Common Shares |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 29.97 per share. | 10 Aug 2018 | 3,000 | 3,458 (0%) | 0% | 30.0 | 89,910 | Common Shares-COPT |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Aug 2018 | 3,000 | 6,458 (0%) | 0% | 0 | Common Shares-COPT | |
| Robert L. Denton | None | 09 Aug 2018 | 3,000 | 281,500 (0%) | 0% | 0 | Common Units - COPLP | ||
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 30.64 per share. | 08 Aug 2018 | 2,500 | 9,591 (0%) | 0% | 30.6 | 76,609 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 28.34 per share. | 28 Jun 2018 | 526 | 105,368 (0%) | 0% | 28.3 | 14,907 | Common Shares |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 26.69 per share. | 18 May 2018 | 2,508 | 3,458 (0%) | 0% | 26.7 | 66,946 | Common Shares-COPT |
| Philip L. Hawkins | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 16,224 (0%) | 0% | 0 | Common Shares (deferred) | |
| Robert L. Denton | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 5,966 (0%) | 0% | 0 | Common Shares (deferred) | |
| Steven D. Kesler | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 34,226 (0%) | 0% | 0 | Common Shares (deferred) | |
| Thomas F. Brady | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 25,578 (0%) | 0% | 0 | Common Shares (deferred) | |
| C. Taylor Pickett | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 26,986 (0%) | 0% | 0 | Common Shares (deferred) | |
| David M. Jacobstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 12,091 (0%) | 0% | 0 | Common Shares (deferred) | |
| Lisa G. Trimberger | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2018 | 3,458 | 10,922 (0%) | 0% | 0 | Common shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.83 per share. | 02 Apr 2018 | 5,752 | 49,485 (0%) | 0% | 25.8 | 148,574 | Common Shares |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 26.25 per share. | 16 Mar 2018 | 1,500 | 2,508 (0%) | 0% | 26.3 | 39,381 | Common Shares |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Mar 2018 | 1,500 | 4,008 (0%) | 0% | 0 | Common Shares-COPT | |
| Robert L. Denton | None | 14 Mar 2018 | 1,500 | 284,500 (0%) | 0% | 0 | Common Units - COPLP | ||
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 26.03 per share. | 14 Mar 2018 | 800 | 104,842 (0%) | 0% | 26.0 | 20,822 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 26.30 per share. | 12 Mar 2018 | 800 | 103,242 (0%) | 0% | 26.3 | 21,040 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 26.22 per share. | 12 Mar 2018 | 800 | 104,042 (0%) | 0% | 26.2 | 20,972 | Common Shares |
| Stephen E. Budorick | President & CEO | Purchase of securities on an exchange or from another person at price $ 25.90 per share. | 08 Mar 2018 | 800 | 102,442 (0%) | 0% | 25.9 | 20,724 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.31 per share. | 05 Mar 2018 | 765 | 55,237 (0%) | 0% | 25.3 | 19,362 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.31 per share. | 05 Mar 2018 | 1,355 | 101,642 (0%) | 0% | 25.3 | 34,295 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 983 | 48,091 (0%) | 0% | 25.0 | 24,536 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 818 | 47,273 (0%) | 0% | 25.0 | 20,417 | Common Shares |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2018 | 8,729 | 56,002 (0%) | 0% | 0 | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 510 | 14,125 (0%) | 0% | 25.0 | 12,730 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2018 | 6,402 | 20,527 (0%) | 0% | 0 | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 699 | 14,635 (0%) | 0% | 25.0 | 17,447 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 557 | 15,334 (0%) | 0% | 25.0 | 13,903 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 3,026 | 77,433 (0%) | 0% | 25.0 | 75,529 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2018 | 28,222 | 102,997 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 2,658 | 74,775 (0%) | 0% | 25.0 | 66,344 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2018 | 9,608 | 38,126 (0%) | 0% | 0 | Common Shares | |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.96 per share. | 01 Mar 2018 | 947 | 25,248 (0%) | 0% | 25.0 | 23,637 | Common Shares |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 25.55 per share. | 21 Feb 2018 | 4,829 | 51,491 (0%) | 0% | 25.6 | 123,381 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.55 per share. | 21 Feb 2018 | 2,417 | 49,074 (0%) | 0% | 25.5 | 61,754 | Common Shares |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.55 per share. | 21 Feb 2018 | 2,858 | 80,459 (0%) | 0% | 25.6 | 73,022 | Common Shares |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 25.55 per share. | 21 Feb 2018 | 8,499 | 83,317 (0%) | 0% | 25.5 | 217,149 | Common Shares |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 25.98 per share. | 16 Feb 2018 | 8,500 | 2,508 (0%) | 0% | 26.0 | 220,792 | Common Shares |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Feb 2018 | 8,500 | 11,008 (0%) | 0% | 0 | Common Shares-COPT | |
| Robert L. Denton | None | 13 Feb 2018 | 8,500 | 286,000 (0%) | 0% | 0 | Common Units - COPLP | ||
| Lisa G. Trimberger | None | Purchase of securities on an exchange or from another person at price $ 25.40 per share. | 13 Feb 2018 | 3,000 | 6,000 (0%) | 0% | 25.4 | 76,200 | Common shares |
| Paul R. Adkins | Executive Vice President &COO | Purchase of securities on an exchange or from another person at price $ 29.06 per share. | 21 Dec 2017 | 10,000 | 29,465 (0%) | 0% | 29.1 | 290,600 | Common Shares |
| Paul R. Adkins | Executive Vice President &COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 30.34 per share. | 01 Dec 2017 | 1,064 | 19,465 (0%) | 0% | 30.3 | 32,282 | Common Shares |
| Lisa G. Trimberger | None | Purchase of securities on an exchange or from another person at price $ 30.39 per share. | 30 Nov 2017 | 3,000 | 3,000 (0%) | 0% | 30.4 | 91,170 | Common shares |
| Lisa G. Trimberger | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Oct 2017 | 1,464 | 1,464 (0%) | 0% | 0 | Restricted Common shares | |
| Steven D. Kesler | None | Sale of securities on an exchange or to another person at price $ 35.40 per share. | 20 Jun 2017 | 3,637 | 29,765 (0%) | 0% | 35.4 | 128,750 | Common Shares |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Jun 2017 | 2,000 | 4,508 (0%) | 0% | 0 | Common Shares - COPT | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 34.51 per share. | 06 Jun 2017 | 2,000 | 2,508 (0%) | 0% | 34.5 | 69,016 | Common Shares-COPT |
| Robert L. Denton | None | 06 Jun 2017 | 2,000 | 294,500 (0%) | 0% | 0 | Common Units - COPLP | ||
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 33.54 per share. | 19 May 2017 | 3,118 | 8,633 (0%) | 0% | 33.5 | 104,576 | Common Shares |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 32.73 per share. | 18 May 2017 | 3,118 | 2,508 (0%) | 0% | 32.7 | 102,042 | Common Shares-COPT |
| Philip L. Hawkins | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 12,766 (0%) | 0% | 0 | Common Shares (deferred) | |
| Richard Szafranski | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 22,120 (0%) | 0% | 0 | Common Shares (deferred) | |
| Robert L. Denton | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 5,626 (0%) | 0% | 0 | Common Shares (deferred) | |
| Steven D. Kesler | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 33,402 (0%) | 0% | 0 | Common Shares (deferred) | |
| Thomas F. Brady | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 22,120 (0%) | 0% | 0 | Common Shares (deferred) | |
| C. Taylor Pickett | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 23,528 (0%) | 0% | 0 | Common Shares (deferred) | |
| David M. Jacobstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 8,633 (0%) | 0% | 0 | Common Shares (deferred) | |
| Elizabeth Hight | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2017 | 2,508 | 20,787 (0%) | 0% | 0 | Common Shares (deferred) | |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 29.98 per share. | 02 May 2017 | 5,000 | 8,118 (0%) | 0% | 30.0 | 149,900 | Common Shares |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 May 2017 | 5,000 | 0 | - | - | Stock Option (Right to Buy) | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 33.51 per share. | 02 May 2017 | 5,000 | 3,118 (0%) | 0% | 33.5 | 167,528 | Common Shares |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2017 | 573 | 46,662 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2017 | 1,428 | 76,143 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2017 | 1,325 | 74,818 (0%) | 0% | 0 | Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2017 | 1,439 | 42,117 (0%) | 0% | 0 | Common Shares | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2017 | 5,118 | 47,235 (0%) | 0% | 0 | Restricted Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2017 | 4,593 | 19,446 (0%) | 0% | 0 | Restricted Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 34.02 per share. | 01 Mar 2017 | 3,555 | 15,891 (0%) | 0% | 34.0 | 120,941 | Common Shares |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2017 | 2,019 | 14,853 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2017 | 3,451 | 61,063 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2017 | 16,508 | 77,571 (0%) | 0% | 0 | Restricted Common Shares | |
| Paul R. Adkins | Executive Vice President &COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2017 | 5,879 | 20,529 (0%) | 0% | 0 | Restricted Common Shares | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 32.84 per share. | 07 Feb 2017 | 10,000 | 3,118 (0%) | 0% | 32.8 | 328,379 | Common Shares-COPT |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 07 Feb 2017 | 10,000 | 13,118 (0%) | 0% | 0 | Common Shares - COPT | |
| Robert L. Denton | None | 07 Feb 2017 | 10,000 | 296,500 (0%) | 0% | 0 | Common Units - COPLP | ||
| Stephen E. Budorick | President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 07 Feb 2017 | 3,619 | 64,514 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Feb 2017 | 9,763 | 68,133 (0%) | 0% | 0 | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2016 | 1,815 | 58,370 | - | - | Common Shares | |
| Paul R. Adkins | Executive Vice President &COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Dec 2016 | 14,650 | 14,650 | - | - | Restricted Common Shares | |
| Steven D. Kesler | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 10 Nov 2016 | 4,000 | 30,432 | - | - | Common Shares | |
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 26 Aug 2016 | 1,924 | 9,243 | - | - | Common Shares | |
| Robert L. Denton | None | 02 Aug 2016 | 2,000 | 306,500 | - | - | Common Units - COPLP | ||
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 02 Aug 2016 | 2,000 | 3,118 | - | - | Common Shares-COPT | |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 Aug 2016 | 2,000 | 5,118 | - | - | Common Shares - COPT | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 09 Jun 2016 | 2,085 | 16,872 | - | - | Common Shares | |
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 01 Jun 2016 | 1,500 | 11,167 | - | - | Common Shares | |
| Philip L. Hawkins | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 10,258 | - | - | Common Shares (deferred) | |
| Thomas F. Brady | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 19,612 | - | - | Common Shares (deferred) | |
| Robert L. Denton | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 3,118 | - | - | Common Shares (deferred) | |
| Steven D. Kesler | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 33,838 | - | - | Common Shares (deferred) | |
| David M. Jacobstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 12,667 | - | - | Common Shares (deferred) | |
| C. Taylor Pickett | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 21,020 | - | - | Common Shares (deferred) | |
| Richard Szafranski | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 19,612 | - | - | Common Shares (deferred) | |
| Elizabeth Hight | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 18,279 | - | - | Common Shares (deferred) | |
| Elizabeth Hight | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 May 2016 | 3,118 | 15,272 | - | - | Common Shares (deferred) | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 09 May 2016 | 3,007 | 0 | - | - | Common Shares-COPT | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 Mar 2016 | 2,183 | 18,957 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 1,964 | 297,147 | - | - | Common Shares | |
| Roger A. Waesche | President | Gift of securities by or to the insider at price $ 0.00 per share. | 05 Mar 2016 | 2,100 | 293,060 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 1,987 | 295,160 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 943 | 57,180 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 880 | 58,123 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 896 | 47,021 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 929 | 46,092 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 1,019 | 61,130 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 945 | 60,185 | - | - | Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2016 | 573 | 43,556 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2016 | 1,217 | 299,111 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2016 | 9,267 | 59,003 | - | - | Restricted Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2016 | 566 | 49,736 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2016 | 463 | 47,917 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2016 | 1,633 | 14,792 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2016 | 6,348 | 21,140 | - | - | Restricted Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2016 | 469 | 41,814 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2016 | 20,335 | 62,149 | - | - | Restricted Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2016 | 1,131 | 37,978 | - | - | Common Shares | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2016 | 6,151 | 44,129 | - | - | Restricted Common Shares | |
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 Feb 2016 | 2,000 | 9,549 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2015 | 1,658 | 300,328 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2015 | 1,815 | 42,283 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 Nov 2015 | 7,500 | 50,302 | - | - | Common Shares-COPT | |
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 10 Jun 2015 | 3,600 | 11,549 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Jun 2015 | 908 | 16,425 | - | - | Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Jun 2015 | 899 | 39,109 | - | - | Common Shares | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 14 May 2015 | 3,097 | 3,007 | - | - | Common Shares-COPT | |
| Philip L. Hawkins | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 7,140 | - | - | Common Shares (deferred) | |
| Thomas F. Brady | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 16,494 | - | - | Common Shares (deferred) | |
| Robert L. Denton | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 6,104 | - | - | Common Shares (deferred) | |
| Steven D. Kesler | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 29,224 | - | - | Common Shares (deferred) | |
| David M. Jacobstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 15,149 | - | - | Common Shares (deferred) | |
| C. Taylor Pickett | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 17,902 | - | - | Common Shares (deferred) | |
| Richard Szafranski | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 16,494 | - | - | Common Shares (deferred) | |
| Elizabeth Hight | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2015 | 3,007 | 15,161 | - | - | Common Shares (deferred) | |
| Steven D. Kesler | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 16 Mar 2015 | 5,000 | 26,217 | - | - | Common Shares | |
| Steven D. Kesler | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Mar 2015 | 5,000 | 31,217 | - | - | Common Shares | |
| Steven D. Kesler | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Mar 2015 | 5,000 | 20,000 | - | - | Options of Common Shares | |
| Roger A. Waesche | President | Gift of securities by or to the insider at price $ 0.00 per share. | 13 Mar 2015 | 2,400 | 301,986 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 1,987 | 304,386 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 5,947 | 306,373 | - | - | Common Shares | |
| Roger A. Waesche | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 16,393 | 295,770 | - | - | Restricted Common Shares | |
| Roger A. Waesche | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 16,550 | 312,320 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 939 | 57,802 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 7,344 | 58,741 | - | - | Restricted Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 2,447 | 49,296 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 916 | 48,380 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 7,400 | 45,004 | - | - | Restricted Common Shares | |
| Wayne Lingafelter | President of Affiliate | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 6,739 | 51,743 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 6,399 | 47,354 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 8,415 | 40,955 | - | - | Restricted Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 933 | 44,098 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 05 Mar 2015 | 2,323 | 45,031 | - | - | Common Shares | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 Mar 2015 | 4,781 | 40,008 | - | - | Restricted Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2015 | 1,243 | 279,377 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2015 | 1,589 | 51,397 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2015 | 1,038 | 37,604 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2015 | 5,010 | 17,333 | - | - | Restricted Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2015 | 1,466 | 12,323 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2015 | 1,015 | 32,540 | - | - | Common Shares | |
| Anthony Mifsud | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2015 | 1,663 | 35,227 | - | - | Common Shares | |
| David M. Jacobstein | None | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 27 Feb 2015 | 4,055 | 12,142 | - | - | Common Shares | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 19 Feb 2015 | 3,000 | 3,097 | - | - | Common Shares-COPT | |
| Robert L. Denton | None | 19 Feb 2015 | 8,000 | 308,500 | - | - | Common Units - COPLP | ||
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 19 Feb 2015 | 5,000 | 3,097 | - | - | Common Shares-COPT | |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 19 Feb 2015 | 8,000 | 11,097 | - | - | Common Shares - COPT | |
| Anthony Mifsud | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Feb 2015 | 20,000 | 36,890 | - | - | Restricted Common Shares | |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 Dec 2014 | 3,000 | 6,097 | - | - | Common Shares - COPT | |
| Robert L. Denton | None | 16 Dec 2014 | 3,000 | 316,500 | - | - | Common Units - COPLP | ||
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 16 Dec 2014 | 3,000 | 3,097 | - | - | Common Shares-COPT | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2014 | 1,433 | 280,620 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2014 | 1,816 | 33,555 | - | - | Common Shares | |
| Thomas F. Brady | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Sep 2014 | 5,000 | 20,000 | - | - | Options of Common Shares | |
| Thomas F. Brady | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Sep 2014 | 5,000 | 18,487 | - | - | Common Shares | |
| Thomas F. Brady | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 08 Sep 2014 | 5,000 | 13,487 | - | - | Common Shares | |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 19 Aug 2014 | 2,500 | 5,597 | - | - | Common Shares - COPT | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 19 Aug 2014 | 2,500 | 3,097 | - | - | Common Shares-COPT | |
| Robert L. Denton | None | 19 Aug 2014 | 2,500 | 319,500 | - | - | Common Units - COPLP | ||
| David M. Jacobstein | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 13 Aug 2014 | 5,900 | 8,087 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 01 Jun 2014 | 1,593 | 13,789 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Jun 2014 | 907 | 15,382 | - | - | Common Shares | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 09 May 2014 | 2,865 | 3,097 | - | - | Common Shares-COPT | |
| Philip L. Hawkins | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 4,133 | - | - | Common Shares (deferred) | |
| Thomas F. Brady | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 13,487 | - | - | Common Shares (deferred) | |
| Robert L. Denton | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 5,962 | - | - | Common Shares (deferred) | |
| Steven D. Kesler | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 25,542 | - | - | Common Shares (deferred) | |
| David M. Jacobstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 13,987 | - | - | Common Shares (deferred) | |
| C. Taylor Pickett | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 14,895 | - | - | Common Shares (deferred) | |
| Richard Szafranski | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 13,487 | - | - | Common Shares (deferred) | |
| Elizabeth Hight | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 May 2014 | 3,097 | 12,154 | - | - | Common Shares (deferred) | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 02 May 2014 | 1,000 | 16,289 | - | - | Common Shares | |
| Clay W. Hamlin | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Apr 2014 | 10,000 | 21,390 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 04 Apr 2014 | 10,000 | 11,390 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | 04 Apr 2014 | 10,000 | 953,960 | - | - | Common Units-COPLP | ||
| Roger A. Waesche | President | Gift of securities by or to the insider at price $ 0.00 per share. | 12 Mar 2014 | 2,650 | 282,053 | - | - | Common Shares | |
| Stephen E. Riffee | EVP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Mar 2014 | 9,932 | 103,980 | - | - | Restricted Common Shares | |
| Roger A. Waesche | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Mar 2014 | 16,591 | 284,703 | - | - | Restricted Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Mar 2014 | 7,867 | 52,986 | - | - | Restricted Common Shares | |
| Wayne Lingafelter | President of Affiliate | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Mar 2014 | 7,673 | 38,642 | - | - | Restricted Common Shares | |
| Stephen E. Budorick | EVP & COO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Mar 2014 | 7,805 | 35,371 | - | - | Restricted Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 05 Mar 2014 | 2,233 | 17,289 | - | - | Common Shares | |
| Thomas F. Brady | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Mar 2014 | 5,000 | 15,390 | - | - | Common Shares | |
| Thomas F. Brady | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 04 Mar 2014 | 5,000 | 10,390 | - | - | Common Shares | |
| Thomas F. Brady | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Mar 2014 | 5,000 | 25,000 | - | - | Options of Common Shares | |
| Clay W. Hamlin | None | 04 Mar 2014 | 10,000 | 963,960 | - | - | Common Units-COPLP | ||
| Clay W. Hamlin | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Mar 2014 | 10,000 | 21,390 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 04 Mar 2014 | 10,000 | 11,390 | - | - | Common Shares-COPT | |
| Robert L. Denton | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 04 Mar 2014 | 7,000 | 9,865 | - | - | Common Shares - COPT | |
| Robert L. Denton | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 04 Mar 2014 | 7,000 | 2,865 | - | - | Common Shares-COPT | |
| Robert L. Denton | None | 04 Mar 2014 | 7,000 | 322,000 | - | - | Common Units - COPLP | ||
| Philip L. Hawkins | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2014 | 1,036 | 1,036 | - | - | Restricted Common shares | |
| Stephen E. Riffee | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 646 | 94,048 | - | - | Common Shares | |
| Stephen E. Riffee | EVP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,467 | 94,694 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,094 | 268,112 | - | - | Common Shares | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,259 | 269,206 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,603 | 46,269 | - | - | Common Shares | |
| Karen M. Singer | SVP, General Counsel & Sec | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,150 | 45,119 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 442 | 30,969 | - | - | Common Shares | |
| Wayne Lingafelter | President of Affiliate | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,051 | 31,411 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 01 Mar 2014 | 1,671 | 19,522 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,190 | 15,831 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Mar 2014 | 5,362 | 21,193 | - | - | Restricted Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Mar 2014 | 1,027 | 27,566 | - | - | Common Shares | |
| Clay W. Hamlin | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2014 | 300 | 11,690 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 18 Feb 2014 | 300 | 11,390 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2014 | 12,549 | 23,939 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | 18 Feb 2014 | 300 | 986,509 | - | - | Common Units-COPLP | ||
| Clay W. Hamlin | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 18 Feb 2014 | 12,549 | 11,390 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | 18 Feb 2014 | 12,549 | 973,960 | - | - | Common Units-COPLP | ||
| Clay W. Hamlin | None | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Feb 2014 | 17,151 | 28,541 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 14 Feb 2014 | 17,151 | 11,390 | - | - | Common Shares-COPT | |
| Clay W. Hamlin | None | 14 Feb 2014 | 17,151 | 986,809 | - | - | Common Units-COPLP | ||
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 5,000 | 5,300 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 1,800 | 7,100 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 31 Dec 2013 | 300 | 6,800 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 360 | 6,440 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 3,000 | 9,440 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 237 | 9,203 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 359 | 8,844 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 3,000 | 11,844 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 630 | 11,214 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 31 Dec 2013 | 614 | 10,600 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 352 | 10,248 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 31 Dec 2013 | 1,500 | 8,748 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 2,389 | 11,137 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 1,024 | 10,113 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 7,500 | 17,613 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 31 Dec 2013 | 1,000 | 16,613 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 354 | 16,259 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2013 | 3,195 | 19,454 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 1,163 | 18,291 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 907 | 17,384 | - | - | Common Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 31 Dec 2013 | 500 | 500 | - | - | Preferred Series L Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 31 Dec 2013 | 500 | 1,000 | - | - | Preferred Series L Shares | |
| Gregory J. Thor | SVP--CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 31 Dec 2013 | 363 | 17,021 | - | - | Common Shares | |
| Clay W. Hamlin | None | Gift of securities by or to the insider at price $ 0.00 per share. | 05 Dec 2013 | 1,952 | 1,003,960 | - | - | Units of Corporate Office Properties, L.P. | |
| Roger A. Waesche | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2013 | 1,178 | 270,465 | - | - | Common Shares | |
| C. Taylor Pickett | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Dec 2013 | 1,798 | 1,798 | - | - | Restricted Common Shares | |
| C. Taylor Pickett | None | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 01 Dec 2013 | 10,000 | 11,798 | - | - | Common Shares | |
| Stephen E. Budorick | EVP & COO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 01 Dec 2013 | 1,816 | 28,593 | - | - | Common Shares | |
| Roger A. Waesche | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 Nov 2013 | 10,000 | 271,643 | - | - | Common Shares | |
| Roger A. Waesche | President | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 26 Nov 2013 | 10,000 | 271,643 | - | - | Common Shares | |
| Roger A. Waesche | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 26 Nov 2013 | 10,000 | 271,643 | - | - | Common Shares | |
| Kenneth D. Wethe | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Oct 2013 | 41 | 11,342 | - | - | Common Stock | |
| Clay W. Hamlin | None | 18 Sep 2013 | 5,000 | 1,005,912 | - | - | Common Units-COPLP |