Insider Trading activities of Chesapeake Energy Corp insiders. , Part 2

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Chesapeake Energy Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Chesapeake Energy Corp since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Chesapeake Energy Corp since 2005. The reporting company's ticker symbol is CHK. The reporting company's CIK number is 895126.
The total value of stock buying since 2005 is $572,517,222.
The total value of stock sales since 2005 is $670,084,480.
The total value of stock option exercises since 2005 is $41,231,411.


 1   2 

Table 2. Detailed insider stock purchases, sales, and option exercises of Chesapeake Energy Corp insiders (CHK) , Part 2
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-05-27 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Option Ex 15,000 2.25 33,750
2008-05-23 Mcclendon Aubrey K (Chairman & CEO) Buy 600,000 53.08 31,741,220
2008-05-16 Kerr Breene M (Director) Sale 5,000 58.16 290,800
2008-05-08 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 22,500 56.13 1,262,925
2008-05-08 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 22,500 5.20 117,000
2008-05-06 Johnson Michael A (SVP, Accounting Controller) Sale 12,300 55.40 681,420
2008-05-06 Johnson Michael A (SVP, Accounting Controller) Option Ex 12,300 10.08 123,984
2008-05-06 Lester J Mark (Executive Vice President) Sale 2,613 55.61 145,301
2008-05-06 Dixon Steven C (EVP - Operations and COO) Sale 30,000 55.40 1,662,000
2008-05-06 Dixon Steven C (EVP - Operations and COO) Option Ex 30,000 6.11 183,300
2008-04-28 Johnson Michael A (SVP, Accounting Controller) Sale 5,200 55.00 286,000
2008-04-28 Johnson Michael A (SVP, Accounting Controller) Option Ex 5,200 10.08 52,416
2008-04-22 Dixon Steven C (EVP - Operations and COO) Sale 80,000 53.07 4,245,280
2008-04-22 Dixon Steven C (EVP - Operations and COO) Option Ex 80,000 6.11 488,800
2008-04-16 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 10,000 50.00 500,000
2008-04-16 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Option Ex 10,000 10.08 100,800
2008-04-16 Johnson Michael A (SVP, Accounting Controller) Sale 26,250 50.00 1,312,500
2008-04-16 Johnson Michael A (SVP, Accounting Controller) Option Ex 26,250 6.96 182,568
2008-04-16 Dixon Steven C (EVP - Operations and COO) Sale 50,000 50.75 2,537,500
2008-04-16 Dixon Steven C (EVP - Operations and COO) Option Ex 50,000 5.56 278,000
2008-04-02 Mcclendon Aubrey K (Chairman & CEO) Buy 500,000 45.75 22,875,000
2008-03-27 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 12,500 .94 11,750
2008-03-13 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 30,000 48.00 1,440,000
2008-03-13 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 30,000 6.11 183,300
2008-03-13 Hood Henry J (Sr. VP - Land and Legal) Sale 13,750 48.00 660,000
2008-03-13 Hood Henry J (Sr. VP - Land and Legal) Option Ex 13,750 6.11 84,012
2008-03-13 Dixon Steven C (EVP - Operations and COO) Sale 5,000 48.25 241,260
2008-03-07 Hood Henry J (Sr. VP - Land and Legal) Sale 5,259 44.74 235,271
2008-03-07 Hood Henry J (Sr. VP - Land and Legal) Option Ex 15,500 6.50 100,750
2008-03-06 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 45.73 4,574,266
2008-03-05 Rowland Marcus C (Exec. Vice President & CFO) Sale 26,676 46.35 1,236,432
2008-03-05 Mcclendon Aubrey K (Chairman & CEO) Buy 400,000 46.37 18,525,372
2008-02-29 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 45.31 4,531,300
2008-02-28 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 46.13 4,613,500
2008-02-27 Mcclendon Aubrey K (Chairman & CEO) Buy 200,000 45.95 9,179,674
2008-02-26 Lester J Mark (Executive Vice President) Sale 6,894 45.86 316,158
2008-02-26 Dixon Steven C (EVP - Operations and COO) Sale 15,000 46.46 696,870
2008-02-26 Mcclendon Aubrey K (Chairman & CEO) Buy 200,000 46.32 9,229,457
2008-02-25 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 30,000 46.00 1,380,000
2008-02-25 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 30,000 6.11 183,300
2008-02-25 Hood Henry J (Sr. VP - Land and Legal) Sale 13,750 46.00 632,500
2008-02-25 Hood Henry J (Sr. VP - Land and Legal) Option Ex 13,750 6.11 84,012
2008-02-20 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 15,625 45.00 703,125
2008-02-20 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Option Ex 15,625 6.50 101,562
2008-02-20 Johnson Michael A (SVP, Accounting Controller) Sale 18,125 45.00 815,625
2008-02-20 Johnson Michael A (SVP, Accounting Controller) Option Ex 18,125 5.83 105,759
2008-02-20 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 25,000 45.00 1,125,000
2008-02-20 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 25,000 6.11 152,750
2008-02-19 Hood Henry J (Sr. VP - Land and Legal) Sale 13,750 44.00 605,000
2008-02-19 Hood Henry J (Sr. VP - Land and Legal) Option Ex 13,750 6.11 84,012
2008-02-13 Hood Henry J (Sr. VP - Land and Legal) Sale 13,750 42.00 577,500
2008-02-13 Hood Henry J (Sr. VP - Land and Legal) Option Ex 13,750 6.11 84,012
2008-01-31 Grigsby Jennifer M (SVP, TREASURER AND SECRETARY) Option Ex 3,500 6.11 21,385
2008-01-28 Whittemore Frederick B (Director) Sale 20,000 36.60 732,099
2008-01-25 Mcclendon Aubrey K (Chairman & CEO) Buy 200,000 36.30 7,259,800
2008-01-24 Mcclendon Aubrey K (Chairman & CEO) Buy 200,000 36.51 7,301,400
2008-01-23 Mcclendon Aubrey K (Chairman & CEO) Buy 150,000 35.61 5,331,719
2008-01-22 Mcclendon Aubrey K (Chairman & CEO) Buy 150,000 36.35 5,444,005
2008-01-18 Mcclendon Aubrey K (Chairman & CEO) Buy 10,000 36.86 368,600
2008-01-17 Mcclendon Aubrey K (Chairman & CEO) Buy 26,500 37.14 984,157
2008-01-16 Rowland Marcus C (Exec. Vice President & CFO) Sale 8,708 38.54 335,614
2008-01-11 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 12,500 39.24 490,500
2008-01-11 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 12,500 4.00 50,000
2008-01-11 Lester J Mark (Executive Vice President) Sale 8,842 39.63 350,390
2008-01-10 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 11,165 38.98 435,267
2008-01-08 Whittemore Frederick B (Director) Sale 31,700 38.94 1,234,398
2008-01-07 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 19,500 1.13 22,034
2008-01-07 Rowland Marcus C (Exec. Vice President & CFO) Sale 20,000 38.84 776,800
2008-01-04 Whittemore Frederick B (Director) Sale 8,300 39.50 327,850
2007-12-18 Whittemore Frederick B (Director) Sale 20,000 38.04 760,800
2007-12-12 Mcclendon Aubrey K (Chairman & CEO) Buy 50,000 38.57 1,928,600
2007-12-07 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 3,000 1.13 3,389
2007-12-04 Whittemore Frederick B (Director) Sale 30,000 37.33 1,119,870
2007-11-20 Mcclendon Aubrey K (Chairman & CEO) Buy 50,000 38.49 1,924,299
2007-11-14 Mcclendon Aubrey K (Chairman & CEO) Option Ex 158,270 10.08 1,595,361
2007-11-13 Mcclendon Aubrey K (Chairman & CEO) Option Ex 150,000 10.08 1,512,000
2007-11-08 Mcclendon Aubrey K (Chairman & CEO) Option Ex 235,575 6.93 1,633,241
2007-11-01 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 11,250 40.00 450,000
2007-11-01 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Option Ex 11,250 6.11 68,737
2007-11-01 Johnson Michael A (SVP, Chief Accounting Officer) Sale 15,000 40.00 600,000
2007-11-01 Johnson Michael A (SVP, Chief Accounting Officer) Option Ex 15,000 4.92 73,800
2007-10-31 Dixon Steven C (EVP - Operations and COO) Sale 15,000 39.50 592,500
2007-10-31 Dixon Steven C (EVP - Operations and COO) Option Ex 15,000 2.25 33,750
2007-10-26 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 14,000 39.00 546,000
2007-10-26 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 14,000 5.56 77,840
2007-10-24 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 7,500 1.13 8,475
2007-10-18 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 13,000 38.00 494,000
2007-10-18 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 13,000 5.56 72,280
2007-09-28 Dixon Steven C (EVP - Operations and COO) Sale 10,000 35.53 355,280
2007-09-27 Grigsby Jennifer M (SVP, TREASURER AND SECRETARY) Option Ex 700 10.08 7,056
2007-09-27 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Option Ex 10,000 2.25 22,500
2007-09-27 Johnson Michael A (SVP, Chief Accounting Officer) Option Ex 4,375 5.20 22,750
2007-09-27 Hood Henry J (Sr. VP - Land and Legal) Option Ex 17,500 5.20 91,000
2007-09-25 Kerr Breene M (Director) Sale 6,250 35.02 218,843
2007-09-25 Mcclendon Aubrey K (Chairman & CEO) Buy 25,000 35.02 875,450
2007-09-24 Mcclendon Aubrey K (Chairman & CEO) Buy 25,000 35.28 882,075
2007-09-19 Hood Henry J (Sr. VP - Land and Legal) Sale 50,000 35.31 1,765,750
2007-09-19 Hood Henry J (Sr. VP - Land and Legal) Option Ex 50,000 4.00 200,000
2007-09-18 Dixon Steven C (EVP - Operations and COO) Sale 6,250 35.20 220,000
2007-09-17 Dixon Steven C (EVP - Operations and COO) Sale 3,750 35.20 132,000
2007-09-14 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 4,922 34.98 172,176
2007-09-14 Lester J Mark (Executive Vice President) Sale 6,514 35.12 228,804
2007-09-13 Keating Frank A (Director) Sale 1,158 34.79 40,286
2007-09-13 Dixon Steven C (EVP - Operations and COO) Sale 10,000 34.84 348,400
2007-09-12 Johnson Michael A (SVP, Chief Accounting Officer) Sale 7,500 34.55 259,124
2007-09-06 Dixon Steven C (EVP - Operations and COO) Sale 5,000 34.20 171,000
2007-09-05 Dixon Steven C (EVP - Operations and COO) Sale 5,000 33.70 168,505
2007-08-28 Mcclendon Aubrey K (Chairman & CEO) Buy 300 32.07 9,620
2007-08-24 Lester J Mark (Executive Vice President) Sale 8,903 32.87 292,650
2007-08-14 Rowland Marcus C (Exec. Vice President & CFO) Sale 29,000 33.59 974,255
2007-08-10 Rowland Marcus C (Exec. Vice President & CFO) Option Ex 18,750 10.08 189,000
2007-08-10 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 33.43 3,342,600
2007-07-05 Lester J Mark (Executive Vice President) Option Ex 5,625 10.08 56,700
2007-06-28 Lester J Mark (Executive Vice President) Sale 5,625 35.07 197,263
2007-06-28 Lester J Mark (Executive Vice President) Option Ex 5,625 10.08 56,700
2007-06-26 Mcclendon Aubrey K (Chairman & CEO) Buy 101,500 34.84 3,536,564
2007-06-18 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 3,500 37.24 130,340
2007-06-14 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Sale 13,000 37.00 481,000
2007-06-14 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 13,000 5.56 72,280
2007-06-07 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 36.04 3,604,000
2007-05-23 Burger Martha A (SVP- HUMAN & CORP RESOURCES) Option Ex 10,000 .94 9,400
2007-05-11 Lester J Mark (Executive Vice President) Sale 5,625 34.17 192,206
2007-05-11 Lester J Mark (Executive Vice President) Option Ex 5,625 10.08 56,700
2007-05-10 Keating Frank A (Director) Sale 5,000 33.86 169,315
2007-05-10 Lester J Mark (Executive Vice President) Sale 6,250 34.20 213,737
2007-05-10 Lester J Mark (Executive Vice President) Option Ex 6,250 7.80 48,750
2007-05-10 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 34.20 3,420,500
2007-05-02 Johnson Michael A (SVP, Chief Accounting Officer) Sale 5,000 35.00 175,000
2007-05-02 Johnson Michael A (SVP, Chief Accounting Officer) Option Ex 5,000 4.00 20,000
2007-03-30 Dixon Steven C (EVP - Operations and COO) Sale 4,583 31.02 142,155
2007-03-29 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 31.17 3,116,600
2007-03-27 Lester J Mark (Executive Vice President) Sale 7,500 31.05 232,912
2007-03-27 Lester J Mark (Executive Vice President) Option Ex 7,500 5.20 39,000
2007-03-23 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 30.68 3,068,000
2007-03-22 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 30.55 3,055,000
2007-03-21 Dixon Steven C (EVP - Operations and COO) Sale 5,100 30.50 155,550
2007-03-19 Hood Henry J (Sr. VP - Land and Legal) Sale 27,193 30.04 816,741
2007-03-19 Davidson Richard K (Director) Buy 10,000 29.98 299,850
2007-03-09 Dixon Steven C (EVP - Operations and COO) Option Ex 50,000 1.13 56,499
2007-01-31 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 3,500 29.48 103,162
2007-01-30 Lester J Mark (Executive Vice President) Sale 3,056 29.20 89,235
2007-01-24 Lester J Mark (Executive Vice President) Option Ex 11,875 8.94 106,162
2007-01-23 Lester J Mark (Executive Vice President) Sale 5,048 29.72 150,021
2007-01-22 Miller Merrill A Jr (Director) Buy 15,000 29.24 438,600
2007-01-22 Burger Martha A (TREASURER & SENIOR V.P.) Sale 25,187 28.98 730,045
2007-01-22 Rowland Marcus C (Exec. Vice President & CFO) Sale 32,000 29.05 929,536
2007-01-22 Rowland Marcus C (Exec. Vice President & CFO) Option Ex 21,249 7.80 165,742
2006-11-17 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 3,250 32.55 105,803
2006-11-16 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Option Ex 9,500 2.25 21,375
2006-11-16 Dixon Steven C (EVP - Operations and COO) Sale 4,871 32.94 160,431
2006-11-15 Jacobson Douglas J (EXECUTIVE VICE PRESIDENT) Sale 3,250 32.93 107,032
2006-11-15 Lester J Mark (Executive Vice President) Sale 3,940 32.80 129,212
2006-11-08 Johnson Michael A (SVP, Chief Accounting Officer) Sale 10,000 32.50 325,000
2006-11-08 Hood Henry J (Sr. VP - Land and Legal) Sale 10,000 32.00 320,000
2006-11-08 Hood Henry J (Sr. VP - Land and Legal) Option Ex 10,000 2.25 22,500
2006-09-29 Lester J Mark (Executive Vice President) Option Ex 7,500 5.20 39,000
2006-08-25 Lester J Mark (Executive Vice President) Sale 6,875 32.37 222,543
2006-08-07 Lester J Mark (Executive Vice President) Sale 4,871 32.18 156,734
2006-08-04 Burger Martha A (TREASURER & SENIOR V.P.) Sale 45,000 33.03 1,486,350
2006-08-03 Burger Martha A (TREASURER & SENIOR V.P.) Option Ex 45,000 3.12 140,625
2006-08-02 Dixon Steven C (EVP - Operations and COO) Sale 8,000 33.59 268,760
2006-08-02 Rowland Marcus C (Exec. Vice President & CFO) Sale 40,000 33.15 1,325,800
2006-08-01 Hood Henry J (Sr. VP - Land and Legal) Option Ex 20,000 2.25 45,000
2006-08-01 Dixon Steven C (EVP - Operations and COO) Sale 2,000 33.26 66,520
2006-08-01 Rowland Marcus C (Exec. Vice President & CFO) Option Ex 37,608 6.83 256,712
2006-07-28 Mcclendon Aubrey K (Chairman & CEO) Option Ex 200,000 6.83 1,365,200
2006-07-10 Mcclendon Aubrey K (Chairman & CEO) Buy 140 29.38 4,113
2006-06-27 Rowland Marcus C (Exec. Vice President & CFO) Option Ex 6,142 10.08 61,911
2006-06-27 Mcclendon Aubrey K (Chairman & CEO) Buy 400,000 29.05 11,620,000
2006-06-26 Johnson Michael A (SVP, Chief Accounting Officer) Option Ex 4,375 10.08 44,100
2006-06-26 Lester J Mark (Executive Vice President) Sale 3,018 29.89 90,208
2006-06-09 Kerr Breene M (Director) Sale 2,000 29.61 59,220
2006-06-09 Mcclendon Aubrey K (Chairman & CEO) Buy 250,000 29.27 7,304,291
2006-06-08 Kerr Breene M (Director) Sale 5,000 29.11 145,525
2006-06-08 Mcclendon Aubrey K (Chairman & CEO) Buy 250,000 28.92 7,216,958
2006-06-07 Whittemore Frederick B (Director) Sale 25,000 30.01 750,250
2006-05-22 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 28.64 2,864,300
2006-05-19 Kerr Breene M (Director) Option Ex 50,000 17.27 863,749
2006-05-19 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 28.95 2,894,800
2006-05-16 Mcclendon Aubrey K (Chairman & CEO) Buy 200,000 31.04 6,208,200
2006-05-16 Mcclendon Aubrey K (Chairman & CEO) Option Ex 1,607,471 5.81 9,332,976
2006-05-11 Johnson Michael A (SVP, Chief Accounting Officer) Option Ex 3,750 7.80 29,250
2006-05-11 Mcclendon Aubrey K (Chairman & CEO) Buy 200,000 32.94 6,588,600
2006-05-11 Mcclendon Aubrey K (Chairman & CEO) Option Ex 513,974 8.94 4,594,927
2006-05-10 Lester J Mark (Executive Vice President) Sale 6,250 32.87 205,456
2006-05-10 Lester J Mark (Executive Vice President) Option Ex 6,250 7.80 48,750
2006-05-10 Mcclendon Aubrey K (Chairman & CEO) Buy 300,000 32.89 9,866,100
2006-05-09 Mcclendon Aubrey K (Chairman & CEO) Buy 150,000 33.04 4,955,550
2006-05-09 Mcclendon Aubrey K (Chairman & CEO) Option Ex 1,625,000 5.73 9,317,750
2006-05-08 Mcclendon Aubrey K (Chairman & CEO) Buy 150,000 32.67 4,900,650
2006-05-05 Keating Frank A (Director) Sale 5,000 32.87 164,330
2006-05-05 Mcclendon Aubrey K (Chairman & CEO) Buy 100,000 32.90 3,289,800
2006-05-04 Dixon Steven C (EVP - Operations and COO) Sale 40,000 33.17 1,326,960
2006-03-29 Dixon Steven C (EVP - Operations and COO) Sale 30,000 32.12 963,720
2006-03-22 Mcclendon Aubrey K (Chairman & CEO) Buy 33,000 30.35 1,001,550
2006-01-25 Ward Tom L (COO) Buy 50,000 32.41 1,620,499
2006-01-25 Mcclendon Aubrey K (CEO) Buy 50,000 32.34 1,616,750
2006-01-23 Rowland Marcus C (CFO) Sale 5,000 33.13 165,650
2006-01-19 Rowland Marcus C (CFO) Sale 38,000 33.28 1,264,829
2006-01-17 Rowland Marcus C (CFO) Option Ex 43,749 7.38 322,736
2006-01-09 Mcclendon Aubrey K (CEO) Buy 50,000 31.99 1,599,500
2006-01-06 Mcclendon Aubrey K (CEO) Buy 50,000 32.60 1,630,000
2005-12-27 Ward Tom L (COO) Buy 25,000 30.82 770,550
2005-12-27 Mcclendon Aubrey K (CEO) Buy 85,000 30.90 2,626,755
2005-12-23 Mcclendon Aubrey K (CEO) Buy 50,000 31.64 1,582,000
2005-12-22 Mcclendon Aubrey K (CEO) Buy 110,000 32.68 3,594,800
2005-12-21 Kerr Breene M (Director) Sale 10,000 33.01 330,050
2005-12-21 Ward Tom L (COO) Buy 150,000 32.94 4,941,150
2005-12-21 Mcclendon Aubrey K (CEO) Buy 24,300 32.89 799,299
2005-12-20 Ward Tom L (COO) Buy 50,000 32.16 1,607,999
2005-12-20 Whittemore Frederick B (Director) Sale 20,000 32.28 645,660
2005-12-20 Mcclendon Aubrey K (CEO) Buy 75,700 32.29 2,444,353
2005-12-19 Ward Tom L (COO) Buy 50,100 32.52 1,629,001
2005-12-19 Whittemore Frederick B (Director) Sale 30,000 32.21 966,300
2005-12-19 Mcclendon Aubrey K (CEO) Buy 100,000 31.45 3,144,600
2005-12-15 Mcclendon Aubrey K (CEO) Buy 50,000 33.92 1,696,000
2005-12-14 Ward Tom L (COO) Buy 750,000 31.46 23,595,000
2005-09-26 Kerr Breene M (Director) Sale 10,000 36.26 362,580
2005-09-14 Johnson Michael A (SVP, Chief Accountin) Sale 10,000 33.05 330,500
2005-09-14 Ward Tom L (COO) Buy 305,623 32.72 9,999,984
2005-09-14 Whittemore Frederick B (Director) Sale 10,000 33.00 330,000
2005-09-14 Mcclendon Aubrey K (CEO) Buy 305,623 32.72 9,999,984
2005-09-13 Whittemore Frederick B (Director) Sale 90,000 32.64 2,937,870
2005-08-26 Mcclendon Aubrey K (CEO) Buy 150,000 28.27 4,240,500
2005-08-25 Mcclendon Aubrey K (CEO) Buy 50,000 28.42 1,421,000
2005-08-24 Mcclendon Aubrey K (CEO) Buy 50,000 28.14 1,407,250
2005-08-23 Mcclendon Aubrey K (CEO) Buy 50,000 27.29 1,364,600
2005-08-18 Mcclendon Aubrey K (CEO) Buy 50,000 26.57 1,328,750
2005-08-17 Rowland Marcus C (CFO) Sale 49,000 27.60 1,352,547
2005-08-17 Mcclendon Aubrey K (CEO) Buy 50,000 28.11 1,405,500
2005-06-30 Ward Tom L (COO) Buy 100,000 23.12 2,311,800
2005-06-30 Mcclendon Aubrey K (CEO) Buy 100,000 23.12 2,311,800
2005-06-29 Mcclendon Aubrey K (CEO) Buy 25,000 22.95 573,825
2005-06-24 Mcclendon Aubrey K (CEO) Buy 25,000 23.24 581,000
2005-06-22 Mcclendon Aubrey K (CEO) Buy 25,000 23.15 578,750
2005-06-21 Mcclendon Aubrey K (CEO) Buy 25,000 23.05 576,375
2005-06-17 Mcclendon Aubrey K (CEO) Buy 50,000 23.24 1,162,200
2005-06-16 Mcclendon Aubrey K (CEO) Buy 50,000 22.70 1,135,000
2005-06-15 Mcclendon Aubrey K (CEO) Buy 75,000 22.49 1,686,749
2005-06-14 Mcclendon Aubrey K (CEO) Buy 50,000 22.28 1,114,100
2005-06-10 Mcclendon Aubrey K (CEO) Buy 100,000 21.60 2,160,100
2005-06-06 Mcclendon Aubrey K (CEO) Buy 100,000 21.16 2,116,400
2005-06-02 Ward Tom L (COO) Buy 100,000 20.86 2,086,100
2005-06-02 Mcclendon Aubrey K (CEO) Buy 100,000 20.87 2,087,000
2005-05-06 Ward Tom L (COO) Buy 100,000 20.14 2,014,399
2005-05-06 Mcclendon Aubrey K (CEO) Buy 100,000 20.17 2,017,200
2005-05-05 Ward Tom L (COO) Buy 150,000 19.92 2,987,850
2005-05-05 Mcclendon Aubrey K (CEO) Buy 150,000 19.99 2,998,650
2005-03-09 Johnson Michael A (SVP, Chief Accountin) Sale 4,107 23.30 95,693
1995-03-03 Mcclendon Aubrey K (Chairman & CEO) Buy 44 3.44 151
1995-02-24 Mcclendon Aubrey K (Chairman & CEO) Buy 44 3.44 151
 1   2 

Insider trading activities including stock purchases, stock sales, and option exercises of CHK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Chesapeake Energy Corp (symbol CHK, CIK number 895126) see the Securities and Exchange Commission (SEC) website.