EDGAR Filing Documents for 0001181431-12-017480

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0001181431-12-017480

Filing Date

2012-03-14

Accepted

2012-03-14 20:49:14

Documents

Period of Report

2012-03-12

Document Format Files

Seq	Description	Document	Type	Size
1		rrd338300.html	4
1		rrd338300.xml	4	22752
	Complete submission text file	0001181431-12-017480.txt		24298

Mailing Address 100 CONSTELLATION WAY BALTIMORE MD 21202

Business Address 100 CONSTELLATION WAY BALTIMORE MD 21202 4104702800

CONSTELLATION ENERGY GROUP INC (Issuer) CIK: 0001004440 (see all company filings)

IRS No.: 521964611 | State of Incorp.: MD | Fiscal Year End: 1231
SIC: 4911 Electric Services

Mailing Address BALTIMORE GAS AND ELECTRIC COMPANY 39 W. LEXINGTON ST., 18TH FLR. BALTIMORE MD 21201

Business Address

Type: 4 | Act: 34 | File No.: 001-12869 | Film No.: 12691844