------------------------------ OMB APPROVAL ------------------------------ OMB Number3235-0287 Expires:September 30, 1998 Estimated average burden hours per response ....... 0.5 ------------------------------ U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 [_] Check box if no longer subject of Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). ________________________________________________________________________________ 1. Name and Address of Reporting Person* - -------------------------------------------------------------------------------- (Last) (First) (Middle) CONSTELLATION ENERGY GROUP, INC. (FORMERLY BALTIMORE GAS AND ELECTRIC CO.) - -------------------------------------------------------------------------------- (Street) 250 W. PRATT STREET - -------------------------------------------------------------------------------- (City) (State) (Zip) BALTIMORE, MARYLAND 21201 ________________________________________________________________________________ 2. Issuer Name and Ticker or Trading Symbol CORPORATE OFFICE PROPERTIES TRUST ("OFC") ________________________________________________________________________________ 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) 52-1964611 ________________________________________________________________________________ 4. Statement for Month/Year SEPTEMBER 2000 ________________________________________________________________________________ 5. If Amendment, Date of Original (Month/Year) ================================================================================ 6. Relationship of Reporting Person to Issuer (Check all applicable) [_] Director [X] 10% Owner [_] Officer (give title below) [_] Other (specify below) ________________________________________________________________________________ 7. Individual or Joint/Group Filing (Check applicable line) [_] Form filed by one Reporting Person [X] Form filed by more than one Reporting Person ________________________________________________________________________________ ================================================================================ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ================================================================================
6. 4. 5. Owner- Securities Acquired (A) or Amount of ship 3. Disposed of (D) Securities Form: 7. Transaction (Instr. 3, 4 and 5) Beneficially Direct Nature of 2. Code ------------------------------- Owned at End (D) or Indirect 1. Transaction (Instr. 8) (A) of Month Indirect Beneficial Title of Security Date ------------ Amount or Price (Instr. 3 (I) Ownership (Instr. 3) (mm/dd/yy) Code V (D) and 4) (Instr.4) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------------------------ COMMON SHARES OF BENEFICIAL INTEREST 9/29/00 C(a) 1,845,378 (A) (a) 8,876,171 I (b) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================
* If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Print or Type Responses) (Over) (Form 4-07/98) Page 1 of 3 FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================
10. 9. Owner- Number ship of Form 2. Deriv- of Conver- 5. 7. ative Deriv- 11. sion Number of Title and Amount Secur- ative Nature or Derivative 6. of Underlying 8. ities Secur- of Exer- 4. Securities Date Securities Price Bene- ity: In- cise 3. Trans- Acquired (A) Exercisable and (Instr. 3 and 4) of ficially Direct direct Price Trans- action or Disposed Expiration Date ---------------- Deriv- Owned (D) or Bene- 1. of action Code of(D) (Month/Day/Year) Amount ative at End In- ficial Title of Deriv- Date (Instr. (Instr. 3, ---------------- or Secur- of direct Owner- Derivative ative (Month/ 8) 4 and 5) Date Expira- Number ity Month (I) ship Security Secur- Day/ ------ ------------ Exer- tion of (Instr. (Instr. (Instr. (Instr. (Instr. 3) ity Year) Code V (A) (D) cisable Date Title Shares 5) 4) 4) 4) - ------------------------------------------------------------------------------------------------------------------------------------ SERIES A 1.8748 9/29/00 C(a) 984,308 9/29/00 -- COMMON SHARES (a) 1 1 (b) CONVERTIBLE SHARES OF PREFERRED SHARES COMMON OF BENEFICIAL SHARES FOR INTEREST EACH SHARE OF SERIES A PREFERRED - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================
Explanation of Responses: (a) Acquired pursuant to the terms of a Contribution Agreement, dated as of May 14, 1998 and September 28, 1998, by and among the entities listed therein as sellers and Corporate Office Properties, L.P. and the Issuer and a Service Company Asset Contribution Agreement, dated as of May 14, 1998 by and among Constellation Real Estate, Inc., KMS Oldco, Inc., Constellation Real Estate Group, Inc., Corporate Office Properties, L.P. and the Issuer. The Common Shares of Beneficial Interest and the Series A Convertible Preferred Shares of Beneficial Interest were acquired in exchange for real property and other assets transferred to the Issuer. The Series A Convertible Preferred Shares of Beneficial Interest are convertible into Common Shares of Beneficial Interest at the conversion rate of 1.8748 Shares of Common Shares for each Share of Series A Preferred after September 28, 2000. (b) The Common Shares of Beneficial Interest and the Series A Convertible Preferred Shares of Beneficial Interest are held by Constellation Real Estate, Inc. (formerly Constellation Properties, Inc.), a wholly owned subsidiary of Constellation Real Estate Group, Inc., which is a wholly owned subsidiary of Constellation Holdings, Inc., which is a wholly owned subsidiary of Constellation Enterprises, Inc., which is a wholly owned subsidiary of Constellation Energy Group, Inc. /s/ David A. Brune 10/10/00 - --------------------------------------------- ----------------------- **Signature of Reporting Person Date David A. Brune Vice President, Chief Financial Officer and Secretary Constellation Energy Group, Inc. Vice President, Chief Financial Officer and Secretary Constellation Enterprises, Inc. Chairman of the Board Constellation Real Estate, Inc. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 2 of 3 JOINT FILING LSITING OF OTHER REPORTING PERSONS REPORTING PERSONS IRS NUMBER Constellation Real Estate, Inc. 52-1237835 (formerly Constellation Properties, Inc.) Constellation Enterprises, Inc. 52-2080643 Page 3 of 3