Insider Trading activities of Constellation Energy Group Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Constellation Energy Group Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Constellation Energy Group Inc since year 2005. Table 2 shows the detailed insider transactions of Constellation Energy Group Inc since 2005. The reporting company's ticker symbol is CEG. The reporting company's CIK number is 1004440.
The total value of stock buying since 2005 is $2,110,634.
The total value of stock sales since 2005 is $73,907,366.
The total value of stock option exercises since 2005 is $100,757,219.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Constellation Energy Group Inc (CEG).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2012-03 0 $0 0 $0 7,402 $0
2011-04 0 $0 0 $0 7,202 $0
2010-04 0 $0 0 $0 7,957 $0
2009-08 0 $0 4,049 $123,575 0 $0
2009-04 0 $0 0 $0 6,707 $0
2009-03 70,000 $1,132,510 0 $0 0 $0
2009-02 12,500 $250,125 0 $0 0 $0
2009-01 200 $5,044 0 $0 0 $0
2008-12 21,000 $509,010 0 $0 0 $0
2008-06 0 $0 22,600 $1,963,602 21,650 $857,989
2008-05 2,500 $203,975 48,100 $3,944,011 9,000 $280,890
2008-02 0 $0 111,140 $10,599,192 24,140 $825,299
2007-12 0 $0 22,697 $2,274,725 22,697 $739,502
2007-11 0 $0 137,890 $13,300,873 27,290 $824,624
2007-09 0 $0 9,000 $757,808 9,000 $280,890
2007-08 0 $0 82,697 $6,973,407 7,697 $271,352
2007-07 0 $0 10,000 $856,490 10,000 $312,100
2007-06 0 $0 18,913 $1,649,804 9,000 $280,890
2007-05 0 $0 113,413 $10,614,212 7,696 $271,312
2007-04 0 $0 30,534 $2,736,914 20,000 $624,200
2007-03 0 $0 39,127 $3,119,937 29,000 $905,090
2007-02 0 $0 40,901 $3,029,081 5,334 $166,474
2007-01 0 $0 10,734 $755,489 0 $0
2006-12 0 $0 19,417 $1,334,418 14,000 $436,940
2006-11 0 $0 100,700 $6,596,773 90,623 $2,764,539
2006-10 0 $0 5,417 $322,051 0 $0
2006-09 0 $0 5,417 $324,261 0 $0
2006-08 0 $0 27,207 $1,576,873 17,130 $493,514
2006-05 0 $0 4,660 $246,980 0 $0
2006-03 0 $0 5,417 $308,769 0 $0
2006-02 170 $9,970 8,575 $498,121 0 $0
2005-12 0 $0 0 $0 2,773,219 $90,421,614

Table 2. Detailed insider stock purchases, sales, and option exercises of Constellation Energy Group Inc insiders (CEG)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2012-03-12 Barron Henry B Jr (Executive Vice President) Option Ex 7,402 .00 0
2011-04-01 Barron Henry B Jr (Executive Vice President) Option Ex 7,202 .00 0
2010-04-21 Manasco Shon J. (Senior Vice President) Option Ex 986 .00 0
2010-04-01 Barron Henry B Jr (Executive Vice President) Option Ex 6,971 .00 0
2009-08-21 Curtiss James R (Director) Sale 4,049 30.52 123,575
2009-04-01 Barron Henry B Jr (Executive Vice President) Option Ex 6,707 .00 0
2009-03-06 Wallace Michael J (Vice Chairman) Buy 30,000 15.40 462,090
2009-03-04 Wallace Michael J (Vice Chairman) Buy 20,000 16.75 335,000
2009-03-04 Shattuck Mayo A Iii (Chairman, Pres. & CEO) Buy 20,000 16.77 335,420
2009-02-25 Wallace Michael J (Vice Chairman) Buy 10,000 19.82 198,250
2009-02-23 Thayer Jonathan W (Sr.VP&Chief Financial Officer) Buy 2,500 20.75 51,875
2009-01-02 Lampton Nancy (Director) Buy 200 25.22 5,044
2008-12-23 Berardesco Charles A (Sr. VP and General Counsel) Buy 1,000 24.62 24,620
2008-12-22 Wallace Michael J (Vice Chairman) Buy 10,000 24.06 240,630
2008-12-22 Shattuck Mayo A Iii (Chairman, Pres. & CEO) Buy 10,000 24.38 243,760
2008-06-10 Ugol Marc L (Senior Vice President) Sale 21,650 86.83 1,879,869
2008-06-10 Ugol Marc L (Senior Vice President) Option Ex 21,650 39.63 857,989
2008-06-09 Martin Lynn M (Director) Sale 950 88.14 83,733
2008-05-19 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Sale 4,000 85.00 340,012
2008-05-19 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Option Ex 4,000 31.21 124,840
2008-05-13 Wallace Michael J (Vice Chairman) Sale 21,000 81.53 1,715,859
2008-05-13 Lampton Nancy (Director) Buy 2,500 81.59 203,975
2008-05-12 Collins John C (CFO and Executive VP) Sale 5,000 81.60 407,995
2008-05-12 Collins John C (CFO and Executive VP) Option Ex 5,000 31.21 156,050
2008-02-19 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Sale 4,000 98.53 394,120
2008-02-19 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Option Ex 4,000 31.21 124,840
2008-02-12 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 3,640 96.12 349,887
2008-02-12 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 3,640 50.96 185,494
2008-02-12 Wallace Michael J (Exec. VP, CEG) Sale 21,000 97.49 2,046,908
2008-02-07 Shattuck Mayo A Iii (Chairman, Pres. & CEO CEG) Sale 50,000 93.63 4,681,400
2008-02-05 Brady Thomas F (Exec. VP, CEG) Sale 6,500 96.34 626,197
2008-02-05 Brady Thomas F (Exec. VP, CEG) Option Ex 6,500 31.21 202,865
2008-02-04 Persky George E (Co-Pres&Co-CEO, CECG;SrVP,CEG) Sale 6,000 95.86 575,160
2008-02-01 Collins John C (CFO & Exec. VP - CEG) Sale 10,000 94.58 945,810
2008-02-01 Collins John C (CFO & Exec. VP - CEG) Option Ex 10,000 31.21 312,100
2007-12-06 Collins John C (CFO, CRO, & Exec. VP - CEG) Sale 10,000 100.87 1,008,690
2007-12-06 Collins John C (CFO, CRO, & Exec. VP - CEG) Option Ex 10,000 31.21 312,100
2007-12-04 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 3,697 99.07 366,269
2007-12-04 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 3,697 39.63 146,512
2007-12-03 Allen Paul J (Sr. VP & Chief Env'l. Officer) Sale 9,000 99.97 899,766
2007-12-03 Allen Paul J (Sr. VP & Chief Env'l. Officer) Option Ex 9,000 31.21 280,890
2007-11-19 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Sale 4,000 96.86 387,440
2007-11-19 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Option Ex 4,000 31.21 124,840
2007-11-13 Wallace Michael J (Pres., CENG; Exec. VP, CEG) Sale 21,000 95.22 2,007,146
2007-11-08 Brady Thomas F (Exec. VP, CEG) Sale 12,000 96.27 1,155,192
2007-11-08 Brady Thomas F (Exec. VP, CEG) Option Ex 12,000 31.21 374,520
2007-11-06 Ugol Marc L (Sr. VP-HR CEG) Sale 11,290 97.00 1,095,130
2007-11-06 Ugol Marc L (Sr. VP-HR CEG) Option Ex 11,290 28.81 325,264
2007-11-06 Shattuck Mayo A Iii (Chairman, Pres. & CEO CEG) Sale 75,000 96.81 7,261,049
2007-09-07 Allen Paul J (Sr. VP & Chief Env'l. Officer) Sale 9,000 84.20 757,808
2007-09-07 Allen Paul J (Sr. VP & Chief Env'l. Officer) Option Ex 9,000 31.21 280,890
2007-08-22 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Sale 4,000 85.00 340,000
2007-08-22 Perlman Beth Shari (SrVPChiefAdminOffChiefInfoOfficer) Option Ex 4,000 31.21 124,840
2007-08-15 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 3,697 82.03 303,257
2007-08-15 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 3,697 39.63 146,512
2007-08-07 Shattuck Mayo A Iii (Chairman, Pres. & CEO CEG) Sale 75,000 84.40 6,330,150
2007-07-31 Brady Thomas F (Exec. VP CEG) Sale 10,000 85.65 856,490
2007-07-31 Brady Thomas F (Exec. VP CEG) Option Ex 10,000 31.21 312,100
2007-06-13 Martin Lynn M (Director) Sale 1,000 87.90 87,900
2007-06-12 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,413 85.92 465,390
2007-06-06 Allen Paul J (Senior Vice President) Sale 9,000 88.34 795,087
2007-06-06 Allen Paul J (Senior Vice President) Option Ex 9,000 31.21 280,890
2007-05-23 Shattuck Mayo A Iii (Chairman, Pres. & CEO CEG) Sale 50,000 93.62 4,680,750
2007-05-15 Smith E Follin (CFO, CAO, Exec. VP - CEG) Sale 24,300 94.14 2,287,626
2007-05-10 Perlman Beth Shari (Chief Info. Officer, Sr. VP) Sale 4,000 93.24 372,952
2007-05-10 Perlman Beth Shari (Chief Info. Officer, Sr. VP) Option Ex 4,000 31.21 124,840
2007-05-10 Lampton Nancy (Director) Sale 1,000 93.23 93,227
2007-05-09 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 3,696 93.08 344,031
2007-05-09 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 3,696 39.63 146,472
2007-05-08 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 93.10 504,301
2007-05-08 Shattuck Mayo A Iii (Chairman, Pres. & CEO CEG) Sale 25,000 93.25 2,331,325
2007-04-30 Brady Thomas F (Exec. VP CEG) Sale 20,000 90.05 1,800,920
2007-04-30 Brady Thomas F (Exec. VP CEG) Option Ex 20,000 31.21 624,200
2007-04-10 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 88.72 481,283
2007-03-13 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 81.10 440,509
2007-03-09 Brady Thomas F (Exec. VP CEG) Sale 20,000 80.30 1,605,920
2007-03-09 Brady Thomas F (Exec. VP CEG) Option Ex 20,000 31.21 624,200
2007-03-06 Allen Paul J (Senior Vice President) Sale 9,000 76.68 690,129
2007-03-06 Allen Paul J (Senior Vice President) Option Ex 9,000 31.21 280,890
2007-02-15 Smith E Follin (CFO, CAO, Exec. VP - CEG) Sale 5,150 75.19 387,228
2007-02-14 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 5,334 74.89 399,468
2007-02-14 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 5,334 31.21 166,474
2007-02-13 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 73.76 399,585
2007-02-13 Shattuck Mayo A Iii (Chairman, Pres. & CEO CEG) Sale 25,000 73.71 1,842,800
2007-01-09 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 70.06 381,231
2006-12-14 Allen Paul J (Senior Vice President) Sale 14,000 68.79 963,116
2006-12-14 Allen Paul J (Senior Vice President) Option Ex 14,000 31.21 436,940
2006-12-12 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 68.54 371,302
2006-11-29 Collins John C (CRO, Sr. VP - CEG) Sale 23,290 67.46 1,571,026
2006-11-29 Collins John C (CRO, Sr. VP - CEG) Option Ex 23,290 28.81 670,984
2006-11-28 Perlman Beth Shari (Chief Info. Officer, Sr. VP) Sale 10,000 67.00 670,020
2006-11-28 Perlman Beth Shari (Chief Info. Officer, Sr. VP) Option Ex 10,000 31.21 312,100
2006-11-16 Ugol Marc L (Sr. VP-HR CEG) Sale 20,000 66.42 1,328,440
2006-11-16 Ugol Marc L (Sr. VP-HR CEG) Option Ex 20,000 25.14 502,800
2006-11-15 Smith E Follin (CFO, CAO, Exec. VP - CEG) Sale 4,660 65.90 307,094
2006-11-14 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 65.88 356,866
2006-11-10 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 6,333 65.31 413,582
2006-11-10 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 6,333 34.25 216,905
2006-11-03 Brady Thomas F (Exec. VP CEG) Sale 31,000 62.90 1,949,745
2006-11-03 Brady Thomas F (Exec. VP CEG) Option Ex 31,000 34.25 1,061,750
2006-10-10 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 59.45 322,051
2006-09-12 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 59.86 324,261
2006-08-15 Perlman Beth Shari (Chief Info. Officer, Sr. VP) Sale 9,937 58.29 579,267
2006-08-15 Perlman Beth Shari (Chief Info. Officer, Sr. VP) Option Ex 9,937 28.81 286,284
2006-08-15 Smith E Follin (CFO, CAO, Exec. VP - CEG) Sale 4,660 58.41 272,190
2006-08-08 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 57.00 308,769
2006-08-03 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Sale 7,193 57.92 416,647
2006-08-03 Defontes Kenneth William Jr. (Pres. & CEO, BGE; Sr. VP, CEG) Option Ex 7,193 28.81 207,230
2006-05-15 Smith E Follin (CFO, CAO, Exec. VP - CEG) Sale 4,660 53.00 246,980
2006-05-10 Curtiss James R (Director) Sale 0 54.64 0
2006-03-15 Wallace Michael J (Pres. CGG, Exec. VP CEG) Sale 5,417 57.00 308,769
2006-02-16 Smith E Follin (CFO, CAO, Exec. VP - CEG) Sale 8,575 58.09 498,121
2006-02-08 Lampton Nancy (Director) Buy 170 58.65 9,970
2005-12-21 Wallace Michael J (Pres. CGG, Exec. VP) Option Ex 414,534 32.12 13,316,075
2005-12-21 Brooks Thomas V (COB,CECG;ViceChair.&) Option Ex 498,611 31.18 15,547,688
2005-12-21 Smith E Follin (CFO, CAO, Exec. VP -) Option Ex 392,687 30.53 11,989,519
2005-12-21 Shattuck Mayo A Iii (Chairman, Pres. & CE) Option Ex 1,467,387 33.78 49,568,332

Insider trading activities including stock purchases, stock sales, and option exercises of CEG listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Constellation Energy Group Inc (symbol CEG, CIK number 1004440) see the Securities and Exchange Commission (SEC) website.