Insider Trading disclosures for Corporate Office Properties Trust

The latest disclosure was made by G. Lisa Trimberger in Corporate Office Properties Trust where a trade of 7,357 Common Shares done at an average price of $25.5 was reported to US exchanges on Dec. 20, 2023.

Insider trading is the trading of a company’s securities by individuals with access to confidential or material non-public information about the company. A company is required to report trading by corporate officers, directors, or other company members with significant access to privileged information to the Securities and Exchange Commission (SEC).

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

*All Values are in $ Million

Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc
Security Type: Share/ Warrants / Convertible Debentures

Data as reported to USA Exchanges

View All The Insider Trades disclosures

Insider Trading disclosures for Corporate Office Properties Trust

The latest disclosure was made by G. Lisa Trimberger in Corporate Office Properties Trust where a trade of 7,357 Common Shares done at an average price of $25.5 was reported to US exchanges on Dec. 20, 2023.

Screeners based on Insider Trading and SAST parameters