0001181431-12-012679.txt : 20120228 0001181431-12-012679.hdr.sgml : 20120228 20120228182003 ACCESSION NUMBER: 0001181431-12-012679 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120224 FILED AS OF DATE: 20120228 DATE AS OF CHANGE: 20120228 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BARRON HENRY B JR CENTRAL INDEX KEY: 0001376241 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12869 FILM NUMBER: 12649289 MAIL ADDRESS: STREET 1: 526 SOUTH CHURCH STREET CITY: CHARLOTTE STATE: NC ZIP: 28202-1802 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CONSTELLATION ENERGY GROUP INC CENTRAL INDEX KEY: 0001004440 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] IRS NUMBER: 521964611 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 100 CONSTELLATION WAY CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: 4104702800 MAIL ADDRESS: STREET 1: 100 CONSTELLATION WAY CITY: BALTIMORE STATE: MD ZIP: 21202 FORMER COMPANY: FORMER CONFORMED NAME: CONSTELLATION ENERGY CORP DATE OF NAME CHANGE: 19951220 FORMER COMPANY: FORMER CONFORMED NAME: RH ACQUISITION CORP DATE OF NAME CHANGE: 19951205 4 1 rrd336133.xml X0304 4 2012-02-24 0 0001004440 CONSTELLATION ENERGY GROUP INC CEG 0001376241 BARRON HENRY B JR 100 CONSTELLATION WAY BALTIMORE MD 21202 0 1 0 0 Executive Vice President Common Stock 2012-02-24 4 A 0 6862 0 A 29937.35 D Common Stock 418.7336 I By 401(k) Plan Reflects award of stock units that will pay dividends which will be reinvested. These stock units are subject to a sale restriction period ending on 12/26/12. This amount includes shares obtained through reinvested dividends since the Form 4 filed on 12/29/11. Sean J. Klein, Attorney-In-Fact 2012-02-28