CDP Pengajuan SEC - COPT Defense Properties- Laporan Tahunan, Pernyataan Kuasa, Prospektus

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SEC Filings

All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to COPT Defense Properties

SEC Filings (Chronological Order)

Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.

July 31, 2025	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
July 28, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 COPT DEFENSE PROPERTI UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer of incorporation) Number) Identification No.
July 28, 2025	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 6/30/25 Exhibit 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 6/30/25 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
May 23, 2025	8-K	Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 20, 2025 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer of
May 1, 2025	EX-10.1	Form of COPT Defense Properties Performance-Based Restricted Share Unit Award Certificate (2017 Omnibus Equity and Incentive Plan) (filed herewith). Exhibit 10.1 COPT DEFENSE PROPERTIES PERFORMANCE-BASED RESTRICTED SHARE UNIT AWARD CERTIFICATE (2017 OMNIBUS EQUITY AND INCENTIVE PLAN) This Performance-Based Restricted Share Unit Award Certificate (this “Certificate”) pertains to the Target Award (as hereinafter defined) granted on [DATE] (the “Grant Date”) by COPT Defense Properties, a Maryland real estate investment trust (the “Company”), to t
May 1, 2025	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
May 1, 2025	EX-10.2	Form of COPT Defense Properties Performance-Based Profit Interest Unit Award Certificate (2017 Omnibus Equity and Incentive Plan) (filed herewith). Exhibit 10.2 COPT DEFENSE PROPERTIES PERFORMANCE-BASED PROFIT INTEREST UNIT AWARD CERTIFICATE (2017 OMNIBUS EQUITY AND INCENTIVE PLAN) This Performance-Based Profits Interest Unit Award Certificate (this “Certificate”) pertains to the Target Award (as hereinafter defined) granted on [DATE] (the “Grant Date”) by COPT Defense Properties, L.P. (the “Partnership”), to Profit Interest Holdings LLC (the
April 28, 2025	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 3/31/25 EXHIBIT 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 3/31/25 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
April 28, 2025	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2025 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer of incorporation) Number) Identification No.
April 8, 2025	S-3ASR	As filed with the Securities and Exchange Commission on April 8, 2025 S-3ASR 1 tm2511529-1s3asr.htm S-3ASR TABLE OF CONTENTS As filed with the Securities and Exchange Commission on April 8, 2025 Registration Statement No. 333- SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 COPT Defense Properties COPT Defense Properties, L.P. (Exact name of registrant as specified in charter) (Exact name
April 8, 2025	EX-FILING FEES	Filing Fee Table (filed herewith). Calculation of Filing Fee Tables S-3 COPT DEFENSE PROPERTIES Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity COPT Defense Properties Common Shares of Beneficial Interest, par value $0.
April 8, 2025	EX-25.1	Statement of Eligibility of Trustee for Debt Securities (U.S. Bank Trust Company, National Association) on Form T-1 (filed herewith). EX-25.1 6 tm2511529d2ex25-1.htm EXHIBIT 25.1 Exhibit 25.1 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ¨ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as
March 31, 2025	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐
March 31, 2025	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒
February 21, 2025	EX-22.1	List of Subsidiary Issuers of Guaranteed Securities (filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 and incorporated herein by reference). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of December 31, 2024, COPT Defense Properties was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 2.250% Senior Notes due 2026 COPT Defense Properties, L.P. 2.000% Senior Notes due 2029 COPT Defense Properties, L.P. 2.750% Senior Notes due 2031 COPT Defense P
February 21, 2025	EX-19.1	COPT Defense Properties Policy Statement on Securities Trading (filed herewith). Exhibit 19.1 APPENDIX A POLICY STATEMENT ON SECURITIES TRADING Corporate Governance Policy Statement on Securities Trading Department: Legal Approval: General Counsel Frequency of Review: Annual Last Update: December 2014 Policy # SCOPE: All employees of COPT Defense Properties (the “Company”) must be aware of and scrupulously observe the various laws and rules prohibiting what is commonly referre
February 21, 2025	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
February 21, 2025	EX-21.1	Subsidiaries of Registrant (filed herewith). Exhibit 21.1 COPT DEFENSE PROPERTIES SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC COPT Acquisitions, Inc. COPT BK Holdco, LLC COPT BK Holdco II, LLC COPT BK Holdco III, LLC CO
February 6, 2025	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 12/31/24 EXHIBIT 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 12/31/24 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
February 6, 2025	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2025 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer of incorporation) Number) Identification No.
November 4, 2024	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
October 28, 2024	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 9/30/24 Exhibit 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 9/30/24 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
October 28, 2024	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 28, 2024 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer
August 1, 2024	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
July 29, 2024	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 6/30/24 Exhibit 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 6/30/24 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
July 29, 2024	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 29, 2024 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer of
May 20, 2024	S-8	As filed with the Securities and Exchange Commission on May 20, 2024 As filed with the Securities and Exchange Commission on May 20, 2024 Registration No.
May 20, 2024	EX-4.4	Third Amendment to the COPT Defense Properties 2017 Omnibus Equity and Incentive Plan (filed with the Company’s Registration Statement on Form S-8 dated May 20, 2024 and incorporated herein by reference). Exhibit 4.4 THIRD AMENDMENT TO CORPORATE OFFICE PROPERTIES TRUST 2017 OMNIBUS EQUITY AND INCENTIVE PLAN The Corporate Office Properties Trust 2017 Omnibus Equity and Incentive Plan, as amended by the First Amendment thereto dated November 29, 2018, as further amended by the Second Amendment thereto dated March 15, 2024 (the “Plan”) is hereby amended, effective as of May 15, 2024 (the “Effective Da
May 20, 2024	EX-FILING FEES	Filing Fee Table. Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) COPT DEFENSE PROPERTIES (Exact Name of Registrant as Specified in Its Charter) Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of Registration Fee Equity Common Shares of Beneficial Interest, par value $0.
May 14, 2024	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 9, 2024 COPT DEFENSE PROPERTI UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 9, 2024 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer of i
May 14, 2024	EX-99.1	SECOND AMENDMENT TO COPT DEFENSE PROPERTIES 2017 OMNIBUS EQUITY AND INCENTIVE PLAN Exhibit 99.1 SECOND AMENDMENT TO COPT DEFENSE PROPERTIES 2017 OMNIBUS EQUITY AND INCENTIVE PLAN The Corporate Office Properties Trust 2017 Omnibus Equity and Incentive Plan, as amended by the First Amendment thereto dated November 29, 2018 (the “Plan”) is hereby amended as set forth below (the “Second Amendment”) effective as of the date on which this Second Amendment is approved by the shareholde
May 1, 2024	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
May 1, 2024	EX-10.1	Form of COPT Defense Properties 2024 Performance-Based Profit Interest Unit Award Certificate (2017 Omnibus Equity and Incentive Plan) (filed herewith). LAST, FIRST MI [DATE] Target Units: XX,XXX Exhibit 10.1 COPT DEFENSE PROPERTIES PERFORMANCE-BASED PROFIT INTEREST UNIT AWARD CERTIFICATE (2017 OMNIBUS EQUITY AND INCENTIVE PLAN) This Certificate pertains to the Target Award (as hereinafter defined) granted on [DATE] (the “Grant Date”) by COPT Defense Properties, L.P. (the “Partnership” or “Company”), to Profit Interest Holdings LLC (the “Intermedi
April 25, 2024	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 3/31/24 Exhibit 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 3/31/24 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
April 25, 2024	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 25, 2024 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer o
April 24, 2024	CORRESP	VIA EDGAR VIA EDGAR Mr. Peter McPhun Office of Real Estate & Construction Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 April 24, 2024 Re: COPT Defense Properties Form 10-K for the fiscal year ended December 31, 2023 Filed February 22, 2024 File No. 001-14023 Dear Mr. McPhun: COPT Defense Properties (“CDP”) is writing in response to the letter d
April 5, 2024	DEFR14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi
March 28, 2024	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒
March 28, 2024	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐
February 22, 2024	EX-22.1	List of Subsidiary Issuers and Guaranteed Securities (filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2023 and incorporated herein by reference). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of December 31, 2023, COPT Defense Properties was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 2.250% Senior Notes due 2026 COPT Defense Properties, L.P. 2.000% Senior Notes due 2029 COPT Defense Properties, L.P. 2.750% Senior Notes due 2031 COPT Defense P
February 22, 2024	EX-10.4(1)	Form of Corporate Office Properties Trust Performance-Based Profit Interest Unit Award Certificate (2017 Omnibus Equity and Incentive Plan) (filed herewith). Exhibit 10.4.1 CORPORATE OFFICE PROPERTIES TRUST PERFORMANCE-BASED PROFIT INTEREST UNIT AWARD CERTIFICATE (2017 OMNIBUS EQUITY AND INCENTIVE PLAN) This Certificate pertains to the Target Award (as hereinafter defined) granted on [DATE] (the “Grant Date”) by Corporate Office Properties, L.P. (the “Partnership” or “Company”), to Profit Interest Holdings LLC (the “Intermediary”) on behalf of the unde
February 22, 2024	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
February 22, 2024	EX-21.1	Subsidiaries of Registrant (filed herewith). Exhibit 21.1 COPT DEFENSE PROPERTIES SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC COPT Acquisitions, Inc. COPT BK Holdco, LLC COPT BK Holdco II, LLC COPT BK Holdco III, LLC CO
February 22, 2024	EX-97.1	Incentive-based Compensation Recovery Policy (filed herewith). Exhibit 97.1 INCENTIVE-BASED COMPENSATION RECOVERY POLICY Overview The Board of Trustees (the “Board”) of COPT Defense Properties (the “Company”) has adopted this Incentive-Based Compensation Recovery Policy (the “Policy”) to comply with Section 10D of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and Rule 10D-1 promulgated thereunder (“Rule 10D-1”) and Paragraph 303A.14 of
February 22, 2024	EX-10.9	, between COPT Defense Properties, COPT Defense Properties L.P. and Britt A. Snider (filed herewith). Exhibit 10.9 6711 Columbia Gateway Drive, Suite 300 Columbia, MD 21046 443.285.5400 copt.com NYSE: CDP LETTER AGREEMENT December 1, 2023 Dear Britt: We are pleased to inform you that the Board of Trustees of COPT Defense Properties Trust (the “Company”) has determined that, effective as of December 1, 2023 (the “Participation Date”), you are eligible to participate in the COPT Defense Properties T
February 13, 2024	SC 13G/A	CDP / COPT Defense Properties / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment SC 13G/A 1 tv0679-coptdefenseproperties.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 19)* Name of issuer: COPT Defense Properties Title of Class of Securities: Common Stock CUSIP Number: 22002T108 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box t
February 13, 2024	SC 13G	CDP / COPT Defense Properties / BARROW HANLEY MEWHINNEY & STRAUSS LLC - SCHEDULE 13G Passive Investment SC 13G 1 ofc13g02132024.htm SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Corporate Office Properties Trust (Name of Issuer) Common Stock (Title of Class of Securities) 22002T108 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check appropriate bo
February 8, 2024	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 12/31/23 Exhibit 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 12/31/23 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
February 8, 2024	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 8, 2024 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer
November 22, 2023	424B7	Up to 14,104,635 Shares COPT Defense Properties Common Shares of Beneficial Interest TABLE OF CONTENTS Filed pursuant to Rule 424(b)(7) Registration No. 333-264198 PROSPECTUS SUPPLEMENT (To Prospectus Dated April 8, 2022) Up to 14,104,635 Shares COPT Defense Properties Common Shares of Beneficial Interest COPT Defense Properties, L.P. (“CDPLP”), the operating partnership through which COPT Defense Properties (“COPT Defense”) conducts its business, issued $345,000,000 principal a
November 22, 2023	8-K	Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 22, 2023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation) File Number) Identification No.
November 22, 2023	EX-FILING FEES	Calculation of Filing Fee Tables (1) Form 424(b)(7) (Form Type) COPT Defense Properties (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Exhibit 107 Calculation of Filing Fee Tables (1) Form 424(b)(7) (Form Type) COPT Defense Properties (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered(1)(2) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price(3) Fee Rate Amount of Registration Fee(4) Newly Registered Securities Fees to Be Paid Equity Common shares of beneficial interest, $0.
November 14, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 10, 2023 COPT DEFENSE PR UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 10, 2023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employe
November 14, 2023	EX-99.1	COPT Defense Appoints Britt A. Snider as Chief Operating Officer NEWS RELEASE IR Contacts: Venkat Kommineni, CFA Michelle Layne 443.285.5587 443.285.5452 [email protected] [email protected] COPT Defense Appoints Britt A. Snider as Chief Operating Officer COLUMBIA, MD (BUSINESS WIRE) November 13, 2023 – COPT Defense Properties (NYSE: CDP) (“COPT Defense” or the “Company”) announces the appointment of Britt A. Snider as Executive Vice President and
November 3, 2023	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
October 26, 2023	EX-99.1	COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 9/30/23 Exhibit 99.1 COPT Defense Properties Supplemental Information + Earnings Release - Unaudited For the Period Ended 9/30/23 OVERVIEW Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 FINANCIAL STATEMENTS Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Share + Unit Computations 9 Adjusted
October 26, 2023	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 26, 2023 COPT DEFENSE PROPERTIES (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Employer
September 14, 2023	8-K	Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Unregistered Sales of Equity Securities, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 12, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation) File Number) Identification No.
September 14, 2023	EX-4.1	Indenture, dated September 12, 2023, among COPT Defense Properties, L.P., as issuer, COPT Defense Properties, as guarantor, and U.S. Bank Trust Company, National Association, as trustee (filed with the Company’s Current Report on Form 8-K dated September 12, 2023 and incorporated herein by reference). EXHIBIT 4.1 Execution Version CORPORATE OFFICE PROPERTIES, L.P., as Company, CORPORATE OFFICE PROPERTIES TRUST, as Guarantor, AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of September 12, 2023 5.25% Exchangeable Senior Notes due 2028 TABLE OF CONTENTS Page Article 1 Definitions 2 Section 1.01. Definitions 2 Section 1.02. References to Interest 15 Article 2 Issue
September 14, 2023	EX-10.1	Registration Rights Agreement, dated as of September 12, 2023, among Corporate Office Properties, L.P., Corporate Office Properties Trust and Wells Fargo Securities, LLC (filed with the Company’s Current Report on Form 8-K dated September 12, 2023 and incorporated herein by reference). EXHIBIT 10.1 Execution Version Corporate Office Properties Trust Corporate Office Properties, L.P. 5.25% Exchangeable Senior Notes due 2028 REGISTRATION RIGHTS AGREEMENT September 12, 2023 Wells Fargo Securities, LLC as representative of the several Initial Purchasers referred to below c/o Wells Fargo Securities, LLC 500 West 33rd Street, 14th Floor New York, New York 10001 Ladies and Gentlemen: C
September 8, 2023	EX-99.2	Corporate Office Properties Trust Announces Pricing of $300 Million of Exchangeable Senior Notes EXHIBIT 99.2 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Venkat Kommineni, CFA Michelle Layne 443-285-5587 443-285-5452 [email protected] [email protected] Corporate Office Properties Trust Announces Pricing of $300 Million of Exchangeable Senior No
September 8, 2023	EX-99.1	Corporate Office Properties Trust Announces Proposed Private Placement of $300 Million of Exchangeable Senior Notes EXHIBIT 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Venkat Kommineni, CFA Michelle Layne 443-285-5587 443-285-5452 [email protected] [email protected] Corporate Office Properties Trust Announces Proposed Private Placement of $300 Million of Exc
September 8, 2023	EX-10.1	First Amendment to Credit Agreement, dated September 6, 2023, by and among Corporate Office Properties, L.P.; Corporate Office Properties Trust; KeyBank National Association; KeyBanc Capital Markets, Inc.; PNC Capital Markets LLC; TD Bank National Association; M&T Bank, a New York Banking Corporation; and PNC Bank National Association (filed with the Company’s Current Report on Form 8-K dated September 6, 2023 and incorporated herein by reference). Exhibit 10.1 FIRST AMENDMENT TO CREDIT AGREEMENT This First Amendment to Credit Agreement (this “Amendment”), dated as of September 6, 2023, is entered into by and among CORPORATE OFFICE PROPERTIES, L.P., a limited partnership formed under the laws of the State of Delaware (the “Borrower”), CORPORATE OFFICE PROPERTIES TRUST, a real estate investment trust formed under the laws of the State of Mary
September 8, 2023	8-K	Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 6, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation) File Number) Identification No.
September 5, 2023	EX-3.1	Articles of Amendment to Amended and Restated Declaration of Trust of Corporate Office Properties Trust, as amended through September 5, 2023 (filed with the Company’s Current Report on Form 8-K dated September 5, 2023 and incorporated herein by reference). Exhibit 3.1 CORPORATE OFFICE PROPERTIES TRUST ARTICLES OF AMENDMENT CORPORATE OFFICE PROPERTIES TRUST, a real estate investment trust (the “Trust”) under Title 8 of the Maryland Corporations and Associations Code (the “Code”), hereby certifies to the State Department of Assessments and Taxation of Maryland that: FIRST: This Amendment was approved by the unanimous written consent of the Board of Tr
September 5, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 5, 2023 CORPORATE OFFIC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 5, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (I
September 5, 2023	EX-99.1	Corporate Office Properties Trust Rebrands to COPT Defense Properties Announces New Name and Logo to Align with Defense and Mission Critical Sector Focus Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Venkat Kommineni, CFA Michelle Layne 443-285-5587 443-285-5452 [email protected] [email protected] Corporate Office Properties Trust Rebrands to COPT Defense Properties Announces New Name and
September 5, 2023	EX-10.1	Second Amendment to Third Amended and Restated Limited Partnership Agreement of Corporate Office Properties, L.P. (filed with the Company’s Current Report on Form 8-K dated September 5, 2023 and incorporated herein by reference). Exhibit 10.1 SECOND AMENDMENT TO THIRD AMENDED AND RESTATED LIMITED PARTNERSHIP AGREEMENT OF CORPORATE OFFICE PROPERTIES, L.P. THIS SECOND AMENDMENT to Third Amended and Restated Limited Partnership Agreement of Corporate Office Properties, L.P. (this "Amendment"), a Delaware limited partnership (the "Partnership" or the "Operating Partnership"), is made and entered into as of September 5, 2023, b
August 2, 2023	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
July 27, 2023	EX-99.1	Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 6/30/23 Exhibit 99.1 Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 6/30/23 Overview: Section I Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 Financial Statements: Section II Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Shar
July 27, 2023	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 27, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS E
June 8, 2023	CORRESP	CORRESP 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046-2104 Telephone 443-285-5400 Facsimile 443-285-7650 www.
May 17, 2023	8-K	Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 11, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Em
May 3, 2023	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
April 27, 2023	EX-99.1	Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 3/31/23 Exhibit 99.1 Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 3/31/23 Overview: Section I Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 Financial Statements: Section II Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Shar
April 27, 2023	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 27, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS
March 30, 2023	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.     ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.     ) Filed by the Registrant ¨ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ D
March 30, 2023	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Ru
March 2, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 1, 2023 CORPORATE OFFICE PROP UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 1, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation) File Number) Identification No.
March 2, 2023	EX-99.1	confidential post-resignation consulting AGREEMENT AND RELEASE Exhibit 99.1 confidential post-resignation consulting AGREEMENT AND RELEASE This Confidential Post-Resignation Consulting Agreement and Release (“Agreement”) is between Corporate Office Properties, L.P. (“Company”) and Todd W. Hartman (“Executive”). The Company and Executive agree that Executive’s last day of employment with Company shall be March 2, 2023 (the “Resignation Date”). 1.            Ac
February 27, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 27, 2023 CORPORATE OFFIC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 27, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (I
February 24, 2023	EX-21.1	Subsidiaries of Registrant (filed herewith). Exhibit 21.1 CORPORATE OFFICE PROPERTIES TRUST SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC COPT Acquisitions, Inc. COPT BK Holdco, LLC COPT BK Holdco II, LLC COPT BK Holdco I
February 24, 2023	EX-22.1	List of Subsidiary Issuers and Guaranteed Securities (filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2022 and incorporated herein by reference). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of December 31, 2022, Corporate Office Properties Trust was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 2.250% Senior Notes due 2026 Corporate Office Properties, L.P. 2.000% Senior Notes due 2029 Corporate Office Properties, L.P. 2.750% Senior Notes due 2
February 24, 2023	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
February 15, 2023	SC 13G	OFC / Corporate Office Properties Trust / BARROW HANLEY MEWHINNEY & STRAUSS LLC - SCHEDULE 13G Passive Investment SC 13G 1 ofc13g02142023.htm SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Corporate Office Properties Trust (Name of Issuer) Common Stock (Title of Class of Securities) 22002T108 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check appropriate bo
February 9, 2023	SC 13G/A	OFC / Corporate Office Properties Trust / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment SC 13G/A 1 tv0662-corporateofficeproper.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 18)* Name of issuer: Corporate Office Properties Trust Title of Class of Securities: REIT CUSIP Number: 22002T108 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box
February 9, 2023	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 9, 2023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IR
February 9, 2023	EX-99.1	Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 12/31/22 Exhibit 99.1 Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 12/31/22 Overview: Section I Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 5 Financial Statements: Section II Consolidated Balance Sheets 6 Consolidated Statements of Operations 7 Funds from Operations 8 Diluted Sha
November 1, 2022	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
November 1, 2022	EX-10.1	Credit Agreement, dated as of October 26, 2022, by and among Corporate Office Properties, L.P.; Corporate Office Properties Trust; KeyBank National Association; KeyBanc Capital Markets, Inc.; PNC Capital Markets LLC; TD Bank National Association; M&T Bank, a New York Banking Corporation; and PNC Bank National Association (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2022 and incorporated herein by reference). EXECUTION VERSION Exhibit 10.1 CREDIT AGREEMENT Dated as of October 26, 2022, by and among CORPORATE OFFICE PROPERTIES, L.P., as Borrower, CORPORATE OFFICE PROPERTIES TRUST, as Parent, THE FINANCIAL INSTITUTIONS INITIALLY SIGNATORY HERETO AND THEIR ASSIGNEES PURSUANT TO SECTION 12.5., as Lenders, and KEYBANK NATIONAL ASSOCIATION, as Administrative Agent KEYBANC CAPITAL MARKETS, INC. and PNC CAPITA
October 27, 2022	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 27, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IR
October 27, 2022	EX-99.1	Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 9/30/22 Exhibit 99.1 Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Period Ended 9/30/22 Overview: Section I Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 4 Financial Statements: Section II Consolidated Balance Sheets 5 Consolidated Statements of Operations 6 Funds from Operations 7 Diluted Shar
September 19, 2022	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 14, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (
September 19, 2022	EX-99.1	COPT Elects Essye B. Miller to Board of Trustees Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contact: Michelle Layne 443-285-5452 [email protected] COPT Elects Essye B. Miller to Board of Trustees COLUMBIA, MD (BUSINESS WIRE) September 19, 2022 - Corporate Office Properties Trust (?COPT? or the ?Compan
August 2, 2022	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
July 28, 2022	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 28, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS E
July 28, 2022	EX-99.1	Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Three Months Ended 6/30/22 Exhibit 99.1 Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Three Months Ended 6/30/22 Overview: Section I Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 4 Financial Statements: Section II Consolidated Balance Sheets 5 Consolidated Statements of Operations 6 Funds from Operations 7 Dilute
May 18, 2022	8-K	Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 12, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Em
May 16, 2022	EX-FILING FEES	Calculation of Filing Fee Tables Form 424(b)(5) (Form Type) Corporate Office Properties Trust (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Exhibit 107 Calculation of Filing Fee Tables Form 424(b)(5) (Form Type) Corporate Office Properties Trust (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security type Security class title Fee calculation or carry forward rule Amount registered Proposed maximum offering price per unit Maximum aggregate offering price Fee rate Amount of registration fee Newly Registered Securities Fees to Be Paid Equity Common Shares of Beneficial Interest, $0.
May 16, 2022	EX-10.1	Master Forward Confirmation, dated May 16, 2022, between Corporate Office Properties Trust and Barclays Bank PLC (2) Exhibit 10.1 May 16, 2022 To: Corporate Office Properties Trust 6711 Columbia Gateway Drive, Suite 300 Columbia, MD 21046 From: Barclays Bank PLC 5 The North Colonnade Canary Wharf, London E14 4BB Facsimile: +44 (20) 777 36461 Telephone: +44 (20) 777 36810 c/o Barclays Capital Inc. as Agent for Barclays Bank PLC 745 Seventh Avenue New York, New York 10019 Telephone: +1 212 526 7000 Dear Sirs, The
May 16, 2022	424B5	$300,000,000 Common Shares of Beneficial Interest TABLE OF CONTENTS ?Filed pursuant to Rule 424(b)(5) ?Registration No. 333-264198? PROSPECTUS SUPPLEMENT (To Prospectus Dated April 8, 2022) $300,000,000 Common Shares of Beneficial Interest ? On May 16, 2022, we entered into separate sales agreements and master forward sales agreements with each of Barclays Capital Inc.; BofA Securities, Inc.; BTIG, LLC; Capital One Securities, Inc.; Citigroup Glo
May 16, 2022	EX-1.1	Sales Agreement, dated May 16, 2022, among Corporate Office Properties Trust, Corporate Office Properties, L.P., Barclays Bank PLC and Barclays Capital Inc. (1) Exhibit 1.1 CORPORATE OFFICE PROPERTIES TRUST Common Shares of Beneficial Interest SALES AGREEMENT May 16, 2022 Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 Ladies and Gentlemen: Corporate Office Properties Trust, a Maryland real estate investment trust (the ?Company?), and Corporate Office Properties, L.P., a Delaware limited partnership (the ?Operating Partnership?) confirm
May 16, 2022	8-K	Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 16, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation) File Number) Identification No.
May 10, 2022	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 4, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS Emp
May 9, 2022	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
April 28, 2022	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 28, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (IRS
April 28, 2022	EX-99.1	Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Three Months Ended 3/31/22 Exhibit 99.1 Corporate Office Properties Trust Supplemental Information & Earnings Release - Unaudited For the Three Months Ended 3/31/22 Overview: Section I Summary Description 1 Equity Research Coverage 2 Selected Financial Summary Data 3 Selected Portfolio Data 4 Financial Statements: Section II Consolidated Balance Sheets 5 Consolidated Statements of Operations 6 Funds from Operations 7 Dilute
April 8, 2022	EX-25.1	Statement of Eligibility of Trustee for Debt Securities (U.S. Bank National Association) on Form T-1 (filed herewith). Exhibit 25.1 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ? U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E
April 8, 2022	EX-FILING FEES	Filing Fee Table (filed herewith). EX-FILING FEES 8 tm2212150d2ex-filingfees.htm EX-FILING FEES Exhibit 107 EX-FILING FEES Calculation of Filing Fee Table FORM S-3 ASR (Form Type) Corporate Office Properties Trust Corporate Office Properties, L.P. (Exact Name of Each Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry F
April 8, 2022	EX-22.1	List of Subsidiary Issuers of Guaranteed Securities (filed herwith). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of December 31, 2021, Corporate Office Properties Trust was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 2.250% Senior Notes due 2026 Corporate Office Properties, L.P. 2.000% Senior Notes due 2029 Corporate Office Properties, L.P. 2.750% Senior Notes due 2
April 8, 2022	S-3ASR	As filed with the Securities and Exchange Commission on April 8, 2022 TABLE OF CONTENTS As filed with the Securities and Exchange Commission on April 8, 2022 Registration Statement No.
March 31, 2022	DEF 14A	Definitive Proxy Statement for the 2022 Annual Meeting of Shareholders TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.??????) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by
March 31, 2022	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.     ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ????) Filed by the Registrant?? Filed by a Party other than the Registrant?? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? D
February 22, 2022	EX-21.1	(filed herewith). Exhibit 21.1 CORPORATE OFFICE PROPERTIES TRUST SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC Blue Bell Investment Company, L.P. COPT Acquisitions, Inc. COPT BK Holdco, LLC COPT
February 22, 2022	EX-10.9	21, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Gregory J. Thor (filed herewith). Thor, Gregory J. November 1, 2021 1-Year Exhibit 10.9 Corporate Office Properties Trust 6711 Columbia Gateway Drive, Suite 300 Columbia, MD 21046 443.285.5400 // copt.com NYSE: OFC LETTER AGREEMENT November 1, 2021 Dear Greg: We are pleased to inform you that the Board of Trustees of Corporate Office Properties Trust (the ?Company?) has determined that, effective as of November 1, 2021 (the ?Parti
February 22, 2022	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
February 22, 2022	EX-22.1	List of Subsidiary Issuers and Guaranteed Securities (filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2021 and incorporated herein by reference). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of December 31, 2021, Corporate Office Properties Trust was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 2.250% Senior Notes due 2026 Corporate Office Properties, L.P. 2.000% Senior Notes due 2029 Corporate Office Properties, L.P. 2.750% Senior Notes due 2
February 11, 2022	SC 13G	OFC / Corporate Office Properties Trust / BARROW HANLEY MEWHINNEY & STRAUSS LLC - SCHEDULE 13G Passive Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Corporate Office Properties Trust (Name of Issuer) Common Stock (Title of Class of Securities) 22002T108 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check appropriate box to designate the rule pursuant to which
February 10, 2022	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company Corporate Office Properties Trust (the ?Company? or ?COPT?) is a self-managed real estate investment trust (?REIT?). COPT is listed on the New York Stock Exchange under the symbol ?OFC? and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majorit
February 10, 2022	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 10, 2022 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction (Commission File (I
February 9, 2022	SC 13G/A	OFC / Corporate Office Properties Trust / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 17)* Name of issuer: Corporate Office Properties Trust Title of Class of Securities: REIT CUSIP Number: 22002T108 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is f
November 17, 2021	8-K	Entry into a Material Definitive Agreement, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 17, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Corporate Office Properties Trust Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.
November 17, 2021	EX-4.2	Fourth Supplemental Indenture, by and among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee (filed with the Company’s Current Report on Form 8-K dated November 17, 2021 and incorporated herein by reference). Exhibit 4.2 CORPORATE OFFICE PROPERTIES, L.P. AS ISSUER CORPORATE OFFICE PROPERTIES TRUST AS GUARANTOR AND U.S. BANK NATIONAL ASSOCIATION AS TRUSTEE FOURTH SUPPLEMENTAL INDENTURE DATED AS OF NOVEMBER 17, 2021 $400,000,000 2.900% SENIOR NOTES DUE 2033 SUPPLEMENT TO INDENTURE DATED AS OF APRIL 8, 2019, AMONG CORPORATE OFFICE PROPERTIES, L.P. (AS ISSUER), CORPORATE OFFICE PROPERTIES TRUST (AS GUARANT
November 5, 2021	EX-1.1	Underwriting Agreement, dated as of November 2, 2021, by and among Corporate Office Properties Trust, Corporate Office Properties, L.P., and Wells Fargo Securities, LLC, BofA Securities, Inc., Citigroup Global Markets Inc. and PNC Capital Markets LLC, acting on behalf of themselves and as representatives of the several underwriters listed on Schedule I thereto. Exhibit 1.1 EXECUTION VERSION $400,000,000 2.900% Senior Notes Due 2033 Corporate Office Properties, L.P. Guaranteed on a Senior Unsecured Basis by CORPORATE OFFICE PROPERTIES TRUST UNDERWRITING AGREEMENT November 2, 2021 Wells Fargo Securities, LLC 550 South Tryon Street, 5th Floor Charlotte, North Carolina 28202 BofA Securities, Inc. One Bryant Park New York, New York 10036 Citigroup Global Mark
November 5, 2021	8-K	Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 2, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Corporate Office Properties Trust Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission File (IRS Employer incorporation or organization) Number) Identification No.
November 4, 2021	424B5	Proposed Maximum Aggregate Offering Price TABLE OF CONTENTS Filed Pursuant to Rule 424(B)(5) Registration Nos. 333-230764 and 333-230764-01? ? ? Title of Securities to be Registered ? ? Proposed Maximum Aggregate Offering Price ? ? Amount of Registration Fee(1) ? Corporate Office Properties, L.P. 2.900% Senior Notes due 2033 ? ? ? $ 398,104,000 ? ? ? ? $ 36,905 ? ? Corporate Office Properties Trust Guarantees of 2.900% Senior Notes due 20
November 2, 2021	424B5	Subject to Completion, Preliminary Prospectus Supplement dated November 2, 2021 TABLE OF CONTENTS This preliminary prospectus supplement relates to an effective registration statement under the Securities Act of 1933, as amended, but the information in this preliminary prospectus supplement is not complete and may be changed.
November 2, 2021	FWP	FREE WRITING PROSPECTUS Final Term Sheet dated November 2, 2021 FREE WRITING PROSPECTUS Final Term Sheet dated November 2, 2021 Free Writing Prospectus Filed pursuant to Rule 433 Dated November 2, 2021 Relating to Preliminary Prospectus Supplement dated November 2, 2021 to Prospectus dated April 8, 2019 Registration Statement Nos.
November 1, 2021	EX-10.2	Letter Agreement, dated November 1, 2021, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Todd Hartman (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 and incorporated herein by reference). Hartman, Todd W. November 1, 2021 5-Year Exhibit 10.2 Corporate Office Properties Trust 6711 Columbia Gateway Drive, Suite 300 Columbia, MD 21046 443.285.5400 // copt.com NYSE: OFC LETTER AGREEMENT November 1, 2021 Dear Todd: We are pleased to inform you that the Board of Trustees of Corporate Office Properties Trust (the ?Company?) has determined that, effective as of November 1, 2021 (the ?Parti
November 1, 2021	EX-10.3	Letter Agreement, dated November 1, 2021, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Anthony Mifsud ((filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 and incorporated herein by reference). Mifsud, Anthony November 1, 2021 5-Year Exhibit 10.3 Corporate Office Properties Trust 6711 Columbia Gateway Drive, Suite 300 Columbia, MD 21046 443.285.5400 // copt.com NYSE: OFC LETTER AGREEMENT November 1, 2021 Dear Anthony: We are pleased to inform you that the Board of Trustees of Corporate Office Properties Trust (the ?Company?) has determined that, effective as of November 1, 2021 (the ?Par
November 1, 2021	EX-22.1	List of Subsidiary Issuers and Guaranteed Securities (filed herewith). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of September 30, 2021, Corporate Office Properties Trust was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 5.000% Senior Notes due 2025 Corporate Office Properties, L.P. 2.250% Senior Notes due 2026 Corporate Office Properties, L.P. 2.000% Senior Notes due
November 1, 2021	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
October 28, 2021	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the ?Company? or ?COPT?) is a self-managed real estate investment trust (?REIT?). COPT is listed on the New York Stock Exchange under the symbol ?OFC? and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
October 28, 2021	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 28, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission File (IRS Employer incorporation or organization) Number) Identification No.
August 11, 2021	EX-4.2	Third Supplemental Indenture, by and among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee Exhibit 4.2 EXECUTION VERSION CORPORATE OFFICE PROPERTIES, L.P. AS ISSUER CORPORATE OFFICE PROPERTIES TRUST AS GUARANTOR AND U.S. BANK NATIONAL ASSOCIATION AS TRUSTEE THIRD SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 11, 2021 $400,000,000 2.000% SENIOR NOTES DUE 2029 SUPPLEMENT TO INDENTURE DATED AS OF APRIL 8, 2019, AMONG CORPORATE OFFICE PROPERTIES, L.P. (AS ISSUER), CORPORATE OFFICE PROPERTIES TR
August 11, 2021	8-K	Entry into a Material Definitive Agreement, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 11, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Corporate Office Properties Trust Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.
August 6, 2021	8-K	Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 2, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Corporate Office Properties Trust Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.
August 6, 2021	EX-1.1	Underwriting Agreement, dated as of August 2, 2021, by and among Corporate Office Properties Trust, Corporate Office Properties, L.P., and J.P. Morgan Securities LLC, Barclays Capital Inc., KeyBanc Capital Markets Inc. and Wells Fargo Securities, LLC, acting on behalf of themselves and as representatives of the several underwriters listed on Schedule I thereto. Exhibit 1.1 EXECUTION VERSION $400,000,000 2.000% Senior Notes Due 2029 Corporate Office Properties, L.P. Guaranteed on a Senior Unsecured Basis by CORPORATE OFFICE PROPERTIES TRUST UNDERWRITING AGREEMENT August 2, 2021 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 KeyBanc Capital Markets Inc. 127 Public Squ
August 4, 2021	424B5	Proposed Maximum Aggregate Offering Price TABLE OF CONTENTS ? ? Title of Securities to be Registered ? ? Proposed Maximum Aggregate Offering Price ? ? Amount of Registration Fee(1) ? Corporate Office Properties, L.
August 2, 2021	FWP	FREE WRITING PROSPECTUS Final Term Sheet dated August 2, 2021 FREE WRITING PROSPECTUS Final Term Sheet dated August 2, 2021 Free Writing Prospectus Filed pursuant to Rule 433 Dated August 2, 2021 Relating to Preliminary Prospectus Supplement dated August 2, 2021 to Prospectus dated April 8, 2019 Registration Statement Nos.
August 2, 2021	424B5	Subject to Completion, Preliminary Prospectus Supplement dated August 2, 2021 TABLE OF CONTENTS This preliminary prospectus supplement relates to an effective registration statement under the Securities Act of 1933, as amended, but the information in this preliminary prospectus supplement is not complete and may be changed.
July 30, 2021	EX-10.1	Corporate Office Properties Trust and Corporate Office Properties, L.P. Amended and Restated Executive Change in Control and Severance Plan dated May 6, 2021 (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2021 and incorporated herein by reference). Exhibit 10.1 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES L.P. AMENDED & RESTATED EXECUTIVE CHANGE IN CONTROL AND SEVERANCE PLAN Effective: May 6, 2021 1.Adoption of Plan; Covered Executives. The Board of Trustees (the ?Board?) of Corporate Office Properties Trust, a Maryland real estate investment trust (the ?Company?) and the general partner of Corporate Office Properties L.P.,
July 30, 2021	EX-22.1	List of Subsidiary Issuers and Guaranteed Securities (filed herewith). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of June 30, 2021, Corporate Office Properties Trust was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer 5.000% Senior Notes due 2025 Corporate Office Properties, L.P. 2.250% Senior Notes due 2026 Corporate Office Properties, L.P. 2.750% Senior Notes due 2031
July 30, 2021	EX-10.2	Letter Agreement, dated June 22, 2021, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Stephen E. Budorick (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2021 and incorporated herein by reference). Exhibit 10.2 Budorick, Stephen E. June 22, 2021 5-Year Corporate Office Properties Trust 6711 Columbia Gateway Drive, Suite 300 Columbia, MD 21046 443.285.5400 // copt.com NYSE: OFC LETTER AGREEMENT June 22, 2021 Dear Steve: We are pleased to inform you that the Board of Trustees of Corporate Office Properties Trust (the ?Company?) has determined that, effective as of June 22, 2021 (the ?Participa
July 30, 2021	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
July 29, 2021	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the ?Company? or ?COPT?) is a self-managed real estate investment trust (?REIT?). COPT is listed on the New York Stock Exchange under the symbol ?OFC? and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
July 29, 2021	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 29, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission File (IRS Employer incorporation or organization) Number) Identification No.
June 25, 2021	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 22, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission File (IRS Employer incorporation or organization) Number) Identification No.
May 18, 2021	8-K	Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 13, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission File (IRS Employer incorporation or organization) Number) Identification No.
May 3, 2021	EX-22.1	List of Subsidiary Issuers and Guaranteed Securities (filed herewith). EXHIBIT 22.1 List of Subsidiary Issuers of Guaranteed Securities As of March 31, 2021, Corporate Office Properties Trust was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below: Debt Instrument Issuer (1) 3.600% Senior Notes due 2023 Corporate Office Properties, L.P. (1) 5.25% Senior Notes due 2024 Corporate Office Properties, L.P. 5.000% Senior Notes d
May 3, 2021	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 23-2947217 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.
May 3, 2021	424B3	$300,000,000 Common Shares of Beneficial Interest Filed pursuant to Rule 424(b)(3) Registration No. 333-230764 PROSPECTUS SUPPLEMENT (To Prospectus Dated April 8, 2019 and Prospectus Supplement dated May 10, 2019) $300,000,000 Common Shares of Beneficial Interest The paragraph under the caption ?Legal Matters? on page S-18 of the Prospectus Supplement dated May 10, 2019 is hereby amended to read as follows: Certain legal matters in connection wit
April 29, 2021	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 29, 2021 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission File (IRS Employer incorporation or organization) Number) Identification No.
April 29, 2021	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the ?Company? or ?COPT?) is a self-managed real estate investment trust (?REIT?). COPT is listed on the New York Stock Exchange under the symbol ?OFC? and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
April 1, 2021	DEF 14A	our Definitive Proxy Statement for the 2021 Annual Meeting of Shareholders, filed with the SEC on April 1, 2021; and UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin
April 1, 2021	DEFA14A	- DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin
March 11, 2021	EX-99.1	COPT Announces Expiration of Tender Offers for Senior Notes due 2023 and 2024, and Delivery of Notices of Redemption for Remaining 2023 and 2024 Senior Notes EXHIBIT 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly Michelle Layne 443-285-5453 443-285-5452 [email protected] [email protected] COPT Announces Expiration of Tender Offers for Senior Notes due 2023 and 2024, and Delivery of Notices of
March 11, 2021	8-K	Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 11, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 11, 2021	EX-4.2	Second Supplemental Indenture, by and among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee Exhibit 4.2 EXECUTION VERSION CORPORATE OFFICE PROPERTIES, L.P. AS ISSUER CORPORATE OFFICE PROPERTIES TRUST AS GUARANTOR AND U.S. BANK NATIONAL ASSOCIATION AS TRUSTEE SECOND SUPPLEMENTAL INDENTURE DATED AS OF MARCH 11, 2021 $600,000,000 2.750% SENIOR NOTES DUE 2031 SUPPLEMENT TO INDENTURE DATED AS OF APRIL 8, 2019, AMONG CORPORATE OFFICE PROPERTIES, L.P. (AS ISSUER), CORPORATE OFFICE PROPERTIES TR
March 10, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 10, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 10, 2021	EX-99.1	COPT Announces Pricing of Tender Offer for 2024 Senior Notes Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly Michelle Layne 443-285-5453 443-285-5452 [email protected] [email protected] COPT Announces Pricing of Tender Offer for 2024 Senior Notes COLUMBIA, MD March 10, 2021 ? C
March 9, 2021	EX-1.1	Underwriting Agreement, dated as of March 3, 2021, by and among Corporate Office Properties Trust, Corporate Office Properties, L.P., Wells Fargo Securities, LLC, Barclays Capital Inc., BofA Securities, Inc. and Citigroup Global Markets Inc., acting on behalf of themselves and as representatives of the several underwriters listed on Schedule I thereto. Exhibit 1.1 Execution Version $600,000,000 2.750% Senior Notes Due 2031 Corporate Office Properties, L.P. Guaranteed on a Senior Unsecured Basis by CORPORATE OFFICE PROPERTIES TRUST UNDERWRITING AGREEMENT March 3, 2021 Wells Fargo Securities, LLC 550 South Tryon Street Charlotte, NC 28202 Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 BofA Securities, Inc. One Bryant Park New Yo
March 9, 2021	EX-99.1	COPT Announces Pricing of Tender Offer for 2023 Senior Notes Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly Michelle Layne 443-285-5453 443-285-5452 [email protected] [email protected] COPT Announces Pricing of Tender Offer for 2023 Senior Notes COLUMBIA, MD March 9, 2021 ? Co
March 9, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 3, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 8, 2021	EX-99.1	COPT Elects Raymond L. Owens to Board of Trustees 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.
March 8, 2021	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 5, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 5, 2021	424B5	Title of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1) Corporate Office Properties, L.P. 2.750% Senior Notes due 2031 $600,000,000 $65,460.00 Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.
March 3, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 3, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 3, 2021	FWP	FREE WRITING PROSPECTUS Final Term Sheet dated March 3, 2021 FREE WRITING PROSPECTUS Final Term Sheet dated March 3, 2021 Free Writing Prospectus Filed pursuant to Rule 433 Dated March 3, 2021 Relating to Preliminary Prospectus Supplement dated March 3, 2021 to Prospectus dated April 8, 2019 Registration Statement No.
March 3, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 3, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 3, 2021	424B5	Subject to Completion, Preliminary Prospectus Supplement dated March 3, 2021 Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.
March 3, 2021	EX-99.1	COPT Launches Tender Offer for Senior Notes due 2024 Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly 443-285-5453 [email protected] Michelle Layne 443-285-5452 [email protected] COPT Launches Tender Offer for Senior Notes due 2024 COLUMBIA, MD March 3, 2021 ? Corporate Office Proper
March 3, 2021	EX-99.1	COPT Launches Tender Offer for Senior Notes due 2023 Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly 443-285-5453 [email protected] Michelle Layne 443-285-5452 [email protected] COPT Launches Tender Offer for Senior Notes due 2023 COLUMBIA, MD March 3, 2021 ? Corporate Office Proper
February 12, 2021	10-K	Annual Report - 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
February 12, 2021	EX-10.10	Letter Agreement, dated November 30, 2020, between Corporate Office Properties Trust, Corporate Office Properties, L.P., and Todd W. Hartman (filed herewith). Exhibit 10.10 LETTER AGREEMENT November 30, 2020 Dear Mr. Hartman: We are pleased to inform you that the Board of Trustees of Corporate Office Properties Trust (the ?Company?) has determined that, effective as of November 30, 2020 (the ?Participation Date?), you are eligible to participate in the Corporate Office Properties Trust, Corporate Office Properties L.P. Executive Change in Control and Se
February 12, 2021	EX-21.2	Subsidiaries of COPLP (filed herewith). Exhibit 21.2 CORPORATE OFFICE PROPERTIES, L.P. SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 7700-7800, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC Blue Bell Investment Company, L.P. COPT BK Holdco,
February 12, 2021	EX-21.1	Subsidiaries of COPT (filed herewith). Exhibit 21.1 CORPORATE OFFICE PROPERTIES TRUST SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 7700-7800, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC Blue Bell Investment Company, L.P. COPT Acquisition
February 11, 2021	SC 13G	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Corporate Office Properties Trust (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Num UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Corporate Office Properties Trust (Name of Issuer) Common Stock (Title of Class of Securities) 22002T108 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check appropriate box to designate the rule pursuant to which
February 10, 2021	SC 13G/A	SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 16)* SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 16)* Name of issuer: Corporate Office Properties Trust Title of Class of Securities: REIT CUSIP Number: 22002T108 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is f
February 4, 2021	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2021 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
February 4, 2021	EX-99.1	Corporate Office Properties Trust Summary Description EXHIBIT 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
February 3, 2021	SC 13G/A	SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* CORPORATE OFFICE PROPERTIES TRUST (Name of Issuer) Common Stock (Title of Class of Securities) 22002T108 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to
November 23, 2020	EX-99.1	COPT Appoints Todd Hartman as Chief Operating Officer 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.
November 23, 2020	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 23, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
October 30, 2020	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
October 29, 2020	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 29, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
October 29, 2020	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
October 5, 2020	EX-99.1	COPT Elects Letitia A. Long to Board of Trustees 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.
October 5, 2020	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 1, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
September 17, 2020	8-K	Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits - FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 17, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
September 17, 2020	EX-99.1	COPT Announces Expiration of Tender Offer for 3.700% Senior Notes due 2021 and Delivery of Notice of Redemption for Remaining 3.700% Senior Notes due 2021 Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly 443-285-5453 [email protected] Michelle Layne 443-285-5452 [email protected] COPT Announces Expiration of Tender Offer for 3.700% Senior Notes due 2021 and Delivery of N
September 17, 2020	EX-4.2	First Supplemental Indenture, dated as of September 17, 2020, by and among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee (filed with the Company’s Current Report on Form 8-K dated September 17, 2020 and incorporated herein by reference). Exhibit 4.2 CORPORATE OFFICE PROPERTIES, L.P. AS ISSUER CORPORATE OFFICE PROPERTIES TRUST AS GUARANTOR AND U.S. BANK NATIONAL ASSOCIATION AS TRUSTEE FIRST SUPPLEMENTAL INDENTURE DATED AS OF SEPTEMBER 17, 2020 $400,000,000 2.250% SENIOR NOTES DUE 2026 SUPPLEMENT TO INDENTURE DATED AS OF APRIL 8, 2019, AMONG CORPORATE OFFICE PROPERTIES, L.P. (AS ISSUER), CORPORATE OFFICE PROPERTIES TRUST (AS GUARANT
September 17, 2020	EX-4.1	Form of Global Note Representing $400,000,000 Aggregate Principal Amount of 2.250% Senior Notes due 2026 Exhibit 4.1 THIS GLOBAL NOTE IS HELD BY THE DEPOSITORY (AS DEFINED IN THE FIRST SUPPLEMENTAL INDENTURE GOVERNING THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (1) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 1.6 OF THE FIRST SUPPLEMENTAL INDENTURE,
September 16, 2020	EX-99.1	COPT Announces Pricing of Tender Offer for Outstanding 3.700% Senior Notes due 2021 Exhibit 99.1 FOR IMMEDIATE RELEASE 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE IR Contacts: Stephanie Krewson-Kelly Michelle Layne 443-285-5453 443-285-5452 [email protected] [email protected] COPT Announces Pricing of Tender Offer for Outstanding 3.700% Senior Notes due 2021 COLUMBIA
September 16, 2020	EX-1.1	Underwriting Agreement, dated as of September 10, 2020, by and among Corporate Office Properties Trust, Corporate Office Properties, L.P., Wells Fargo Securities, LLC and J.P. Morgan Securities LLC, acting on behalf of themselves and as representatives of the several underwriters listed on Schedule I thereto. Exhibit 1.1 $400,000,000 2.250% Senior Notes Due 2026 Corporate Office Properties, L.P. Guaranteed on a Senior Unsecured Basis by CORPORATE OFFICE PROPERTIES TRUST UNDERWRITING AGREEMENT September 10, 2020 Wells Fargo Securities, LLC 550 South Tryon Street Charlotte, NC 28202 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 As Representatives of the several Underwriters Ladie
September 16, 2020	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Other Events - FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 10, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
September 14, 2020	424B5	Title of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1) Corporate Office Properties, L.P. 2.250% Senior Notes due 2026 $ 400,000,000 $ 51,920.00 Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.
September 11, 2020	8-K/A	Financial Statements and Exhibits, Other Events - FORM 8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.
September 11, 2020	EX-99.1	1 Safe Harbor Safe Harbor Unless otherwise noted, information in this presentation represents the Company’s consolidated portfolio as of or for the quarter ended June 30 , 2020 . This presentation may contain “forward - looking” statements, as define 1 Safe Harbor Safe Harbor Unless otherwise noted, information in this presentation represents the Company’s consolidated portfolio as of or for the quarter ended June 30 , 2020 .
September 11, 2020	EX-99.1	COPT Launches Tender Offer for 3.700% Senior Notes due 2021 Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly 443-285-5453 [email protected] Michelle Layne 443-285-5452 [email protected] COPT Launches Tender Offer for 3.700% Senior Notes due 2021 COLUMBIA, MD September 10, 2020 − Corporate O
September 11, 2020	8-K/A	Regulation FD Disclosure, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.
September 10, 2020	8-K	Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 10, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
September 10, 2020	8-K	Financial Statements and Exhibits, Other Events - FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 10, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
September 10, 2020	FWP	FREE WRITING PROSPECTUS Final Term Sheet dated September 10, 2020 FREE WRITING PROSPECTUS Final Term Sheet dated September 10, 2020 Free Writing Prospectus Filed pursuant to Rule 433 Dated September 10, 2020 Relating to Preliminary Prospectus Supplement dated September 10, 2020 to Prospectus dated April 8, 2019 Registration Statement No.
September 10, 2020	EX-99	COPT Launches Tender Offer for 3.700% Senior Notes due 2021 Exhibit 99.1 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly 443-285-5453 [email protected] Michelle Layne 443-285-5452 [email protected] COPT Launches Tender Offer for 3.700% Senior Notes due 2021 COLUMBIA, MD September 10, 2020 − Corporate O
September 10, 2020	8-K	Regulation FD Disclosure - FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 10, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
September 10, 2020	EX-99.1	1 Safe Harbor Safe Harbor Unless otherwise noted, information in this presentation represents the Company’s consolidated portfolio as of or for the quarter ended June 30 , 2020 . This presentation may contain “forward - looking” statements, as define 1 Safe Harbor Safe Harbor Unless otherwise noted, information in this presentation represents the Company’s consolidated portfolio as of or for the quarter ended June 30 , 2020 .
September 10, 2020	424B5	Subject to Completion, Preliminary Prospectus Supplement dated September , 2020 Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.
July 31, 2020	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
July 30, 2020	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 30, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
July 30, 2020	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
May 28, 2020	8-K	Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 21, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
May 8, 2020	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
May 8, 2020	EX-10.1	Amended and Restated Term Loan Agreement, dated as of March 6, 2020, by and among Corporate Office Properties, L.P., Corporate Office Properties Trust, Capital One, National Association, PNC Capital Markets LLC and Regions Capital Markets, a division of Regions Bank, PNC Bank, National Association and Regions Bank (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2020 and incorporated herein by reference). Exhibit 10.1 Execution Version AMENDED AND RESTATED TERM LOAN AGREEMENT Dated as of March 6, 2020, by and among CORPORATE OFFICE PROPERTIES, L.P., as Borrower, CORPORATE OFFICE PROPERTIES TRUST, as Parent, THE FINANCIAL INSTITUTIONS INITIALLY SIGNATORY HERETO AND THEIR ASSIGNEES PURSUANT TO SECTION 12.5., as Lenders, and CAPITAL ONE, NATIONAL ASSOCIATION, as Administrative Agent CAPITAL ONE, NATIO
April 30, 2020	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
April 30, 2020	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 30, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
April 21, 2020	DEFA14A	OFC / Corporate Office Properties Trust DEFA14A - - DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin
April 1, 2020	DEFA14A	OFC / Corporate Office Properties Trust DEFA14A - - DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin
April 1, 2020	DEF 14A	our Definitive Proxy Statement for the 2020 Annual Meeting of Shareholders, filed with the Securities and Exchange Commission on April 1, 2020 as supplemented on April 21, 2020; and Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14
March 16, 2020	EX-99.1	SEPARATION AGREEMENT AND RELEASE Exhibit 99.1 SEPARATION AGREEMENT AND RELEASE This Separation Agreement and Release (“Agreement”) is between Corporate Office Properties, LP including its officers, trustees, employees, agents, consultants, parents, subsidiaries, and affiliates (“Company”) and Paul R. Adkins (“Executive”). The Company and Executive agree that Executive’s separation date from employment with Company by virtue of hi
March 16, 2020	EX-99.2	COPT Announces COO Transition Paul R. Adkins Leaving to Pursue Other Opportunities Exhibit 99.2 6711 Columbia Gateway Drive, Suite 300 Columbia, Maryland 21046 Telephone 443-285-5400 Facsimile 443-285-7650 www.copt.com NYSE: OFC NEWS RELEASE FOR IMMEDIATE RELEASE IR Contacts: Stephanie Krewson-Kelly Michelle Layne 443-285-5453 443-285-5452 [email protected] [email protected] COPT Announces COO Transition Paul R. Adkins Leaving to Pursue Other Opportunities COLUMBIA,
March 16, 2020	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 16, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
March 12, 2020	8-K	Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 6, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
February 19, 2020	EX-21.2	Subsidiaries of COPLP (filed herewith). Exhibit 21.2 CORPORATE OFFICE PROPERTIES, L.P. SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 7700-7800, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC Blue Bell Investment Company, L.P. COPT BK Holdco,
February 19, 2020	EX-4	Description of Common Shares (filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2019 and incorporated herein by reference). Exhibit 4 DESCRIPTION OF COMMON SHARES OF CORPORATE OFFICE PROPERTIES TRUST The following description is a summary of the material terms of the common shares of beneficial interest of Corporate Office Properties Trust (“COPT”).
February 19, 2020	10-K	Annual Report - 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
February 19, 2020	EX-21.1	Subsidiaries of COPT (filed herewith). Exhibit 21.1 CORPORATE OFFICE PROPERTIES TRUST SUBSIDIARIES OF REGISTRANT Alabama COPT Bridge Street Office, LLC Delaware 2100 L Holdings, LLC 2100 L Subsidiary LLC Advanced Gateway 7500, LLC Advanced Gateway 7600, LLC Advanced Gateway 7700-7800, LLC Advanced Gateway 8600, LLC Airport Square Holdings I, LLC Airport Square Holdings VI and VII, LLC Blue Bell Investment Company, L.P. COPT Acquisition
February 11, 2020	SC 13G/A	OFC / Corporate Office Properties Trust / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 15)* Name of issuer: Corporate Office Properties Trust Title of Class of Securities: REIT CUSIP Number: 22002T108 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is f
February 6, 2020	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
February 6, 2020	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 6, 2020 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
January 27, 2020	SC 13G/A	OFC / Corporate Office Properties Trust / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* CORPORATE OFFICE PROPERTIES TRUST (Name of Issuer) Common Stock (Title of Class of Securities) 22002T108 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to
November 1, 2019	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
October 28, 2019	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 28, 2019 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
October 28, 2019	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
August 5, 2019	EX-10.2	First Amendment to Third Amended and Restated Limited Partnership Agreement of Corporate Office Properties, L.P. dated July 31, 2019 (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2019 and incorporated herein by reference). Exhibit 10.2 FIRST AMENDMENT TO THIRD AMENDED AND RESTATED LIMITED PARTNERSHIP AGREEMENT OF CORPORATE OFFICE PROPERTIES, L.P. THIS First Amendment to Third Amended and Restated Limited Partnership Agreement of Corporate Office Properties, L.P. (the “Amendment”), a Delaware limited partnership (the “Partnership” or the “Operating Partnership”), is made and entered into as of July 31, 2019 (the “Eff
August 5, 2019	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
July 29, 2019	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 29, 2019 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
July 29, 2019	EX-99.1	Corporate Office Properties Trust Summary Description Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire office and data center properties. The majori
June 20, 2019	8-K	Regulation FD Disclosure UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 20, 2019 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
May 10, 2019	8-K	Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 9, 2019 CORPORATE OFFICE PROPERTIES TRUST (Exact name of registrant as specified in its charter) Maryland 1-14023 23-2947217 (State or other jurisdiction of (Commission (IRS Employe
May 10, 2019	424B5	CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1) Common Shares of Beneficial Interest, $0.01 par value per share, of Corporate Office Properties Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1) Common Shares of Beneficial Interest, $0.
May 7, 2019	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark one) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-14023 (Corporate Office Properties Trust) Commission file number 333-189188 (Corporate Office Properties, L.
May 7, 2019	EX-10.1	Form of Corporate Office Properties Trust Performance-Based Profit Interest Unit Award Certificate (2017 Omnibus Equity and Incentive Plan) (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019 and incorporated herein by reference). Exhibit 10.1 CORPORATE OFFICE PROPERTIES TRUST PERFORMANCE-BASED PROFIT INTEREST UNIT AWARD CERTIFICATE (2017 OMNIBUS EQUITY AND INCENTIVE PLAN) This Certificate pertains to the Target Award (as hereinafter defined) granted on [DATE] (the “Grant Date”) by Corporate Office Properties, L.P. (the “Partnership” or “Company”), to Profit Interest Holdings LLC (the “Intermediary”) on behalf of the unders
May 7, 2019	EX-10.2	Form of Corporate Office Properties Trust Time-Based Profit Interest Unit Award Certificate (2017 Omnibus Equity and Incentive Plan) (filed with the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019 and incorporated herein by reference). Exhibit 10.2 CORPORATE OFFICE PROPERTIES TRUST TIME-BASED PROFIT INTEREST UNIT AWARD CERTIFICATE (2017 OMNIBUS EQUITY AND INCENTIVE PLAN) This Certificate pertains to the Award (as hereinafter defined) granted by Corporate Office Properties, L.P. (the “Partnership”), to Profit Interest Holdings LLC (the “Intermediary”) on behalf of the undersigned grantee (the “Grantee”). 1. Award. (a) Units. Purs
April 30, 2019	8-K	Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported) April 30, 2019 CORPORATE OFFICE PROPERTIES TRUST CORPORATE OFFICE PROPERTIES, L.
April 30, 2019	EX-99.1	Corporate Office Properties Trust Summary Description EX-99.1 2 copt03312019ex991.htm EXHIBIT 99.1 Exhibit 99.1 Corporate Office Properties Trust Summary Description The Company: Corporate Office Properties Trust (the “Company” or “COPT”) is a self-managed real estate investment trust (“REIT”). COPT is listed on the New York Stock Exchange under the symbol “OFC” and is an S&P MidCap 400 Company. We own, manage, lease, develop and selectively acquire
April 8, 2019	S-3ASR	Prospectus dated April 8, 2019 Registration Statement Nos. 333-230764 and 333-230764-01 Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents As filed with the Securities and Exchange Commission on April 8, 2019 Registration Statement No.
April 8, 2019	EX-25.1	Statement of Eligibility of Trustee for Debt Securities (U.S. Bank National Association) on Form T-1 (filed herewith). Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) o U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif
April 8, 2019	EX-4.1	Indenture, dated as of April 8, 2019, among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee (filed with the Company’s Registration Statement on Form S-3 (Commission File No. 333-230764) and incorporated herein by reference). Exhibit 4.1 CORPORATE OFFICE PROPERTIES, L.P. Issuer CORPORATE OFFICE PROPERTIES TRUST Guarantor — and — U.S. BANK NATIONAL ASSOCIATION, Trustee INDENTURE Dated as of April 8, 2019 Debt Securities Guarantees of Debt Securities Certain Sections of this Indenture relating to the Trust Indenture Act of 1939 Trust Indenture Act Section Indenture Section §310(a)(1) 607 (a)(2) 607 (b) 608 §312(a) 701, 7
March 27, 2019	DEFA14A	OFC / Corporate Office Properties Trust DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

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