Insider Trading activities of Marathon Oil Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Marathon Oil Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Marathon Oil Corp since year 2005. Table 2 shows the detailed insider transactions of Marathon Oil Corp since 2005. The reporting company's ticker symbol is MRO. The reporting company's CIK number is 101778.
The total value of stock buying since 2005 is $1,776,755.
The total value of stock sales since 2005 is $86,218,910.
The total value of stock option exercises since 2005 is $45,616,260.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Marathon Oil Corp (MRO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2015-09 5,000 $76,975 0 $0 0 $0
2015-08 25,600 $499,456 0 $0 0 $0
2015-03 28,791 $748,566 0 $0 0 $0
2014-03 0 $0 112,242 $3,829,360 112,242 $3,066,114
2013-12 0 $0 67,638 $2,431,924 67,638 $1,555,132
2013-11 0 $0 71,273 $2,594,479 71,273 $1,063,393
2013-09 0 $0 69,097 $2,510,027 62,922 $1,079,408
2013-05 0 $0 2,221 $78,479 2,221 $17,745
2013-02 0 $0 6,836 $236,881 6,836 $125,235
2012-12 0 $0 0 $0 571,278 $6,015,557
2012-03 0 $0 3 $101 0 $0
2011-12 0 $0 651 $17,759 0 $0
2011-08 10,000 $252,109 0 $0 0 $0
2011-05 0 $0 38,777 $1,984,908 77,534 $1,363,161
2011-03 0 $0 269,712 $13,920,915 520,000 $6,634,160
2011-02 0 $0 152,447 $7,296,959 251,800 $4,448,379
2008-06 300 $15,018 0 $0 0 $0
2008-03 0 $0 9,000 $482,895 9,000 $153,000
2008-02 2,000 $95,036 0 $0 0 $0
2007-12 0 $0 30,266 $1,801,553 30,266 $721,087
2007-11 0 $0 0 $0 50,000 $840,250
2007-06 0 $0 6,267 $781,902 13,500 $453,735
2007-05 0 $0 30,000 $3,315,900 50,000 $1,639,575
2007-02 1,000 $89,595 14,773 $1,350,055 13,633 $458,205
2006-12 0 $0 29,541 $2,801,104 28,200 $869,824
2006-11 0 $0 22,700 $2,017,692 34,600 $1,061,651
2006-10 0 $0 10,000 $850,000 10,000 $308,750
2006-08 0 $0 293,358 $25,888,110 364,310 $9,927,768
2006-06 0 $0 40,576 $3,175,396 43,266 $1,539,880
2006-05 0 $0 58,899 $4,685,087 25,466 $643,484
2006-04 0 $0 0 $0 99 $0
2006-02 0 $0 43,184 $3,061,407 51,333 $1,630,767
2005-08 0 $0 2,689 $166,220 0 $0
2005-06 0 $0 15,702 $809,877 0 $0
2005-05 0 $0 2,682 $129,920 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Marathon Oil Corp insiders (MRO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2015-09-14 Wagner Patrick (V.P.-Corporate Development) Buy 5,000 15.40 76,975
2015-08-07 Tillman Lee M (President and CEO) Buy 25,600 19.51 499,456
2015-03-10 Tillman Lee M (President and CEO) Buy 28,791 26.00 748,566
2014-03-07 Bay Annell R (VP-Global Exploration) Sale 112,242 34.12 3,829,360
2014-03-07 Bay Annell R (VP-Global Exploration) Option Ex 112,242 27.32 3,066,114
2013-12-13 Thill Howard J Sr (Vice President (See Remarks)) Sale 67,638 35.96 2,431,924
2013-12-13 Thill Howard J Sr (Vice President (See Remarks)) Option Ex 67,638 22.99 1,555,132
2013-11-14 Bay Annell R (VP-Global Exploration) Sale 71,273 36.40 2,594,479
2013-11-14 Bay Annell R (VP-Global Exploration) Option Ex 71,273 14.92 1,063,393
2013-09-12 Little Thomas Mitchell (Vice President (See Remarks)) Sale 33,323 36.20 1,206,459
2013-09-12 Little Thomas Mitchell (Vice President (See Remarks)) Option Ex 26,535 18.79 498,672
2013-09-12 Guidry Steven P (V.P. - Business Development) Sale 35,774 36.44 1,303,568
2013-09-12 Guidry Steven P (V.P. - Business Development) Option Ex 36,387 15.96 580,736
2013-05-16 Stewart Michael K (See Remarks (1)) Sale 2,221 35.34 78,479
2013-05-16 Stewart Michael K (See Remarks (1)) Option Ex 2,221 7.99 17,745
2013-02-15 Little Thomas Mitchell (Vice President (See Remarks)) Sale 6,836 34.65 236,881
2013-02-15 Little Thomas Mitchell (Vice President (See Remarks)) Option Ex 6,836 18.32 125,235
2012-12-12 Cazalot Clarence P Jr (Chairman, President and CEO) Option Ex 571,278 10.53 6,015,557
2012-03-13 Guidry Steven P (V.P. - Business Development) Sale 3 33.74 101
2011-12-09 Guidry Steven P (V.P. - Business Development) Sale 651 27.28 17,759
2011-08-05 Boyce Gregory H (Director) Buy 10,000 25.21 252,109
2011-05-18 Campbell Eileen M (Vice President, Public Policy) Sale 27,402 51.24 1,404,215
2011-05-13 Campbell Eileen M (Vice President, Public Policy) Option Ex 64,200 16.80 1,078,881
2011-05-11 Kerrigan Sylvia J (V.P., Gen. Counsel & Secretary) Sale 11,375 51.05 580,693
2011-05-11 Kerrigan Sylvia J (V.P., Gen. Counsel & Secretary) Option Ex 13,334 21.32 284,280
2011-03-04 Cazalot Clarence P Jr (President and CEO) Sale 269,712 51.61 13,920,915
2011-03-04 Cazalot Clarence P Jr (President and CEO) Option Ex 520,000 12.76 6,634,160
2011-02-28 Reinbolt Paul C (V.P., Finance and Treasurer) Sale 12,974 49.14 637,581
2011-02-28 Reinbolt Paul C (V.P., Finance and Treasurer) Option Ex 27,000 16.80 453,735
2011-02-28 Clark Janet F (Executive V.P. and CFO) Sale 65,473 49.48 3,239,865
2011-02-28 Clark Janet F (Executive V.P. and CFO) Option Ex 150,800 16.80 2,534,194
2011-02-08 Campbell Eileen M (Vice President, Public Policy) Sale 34,000 46.22 1,571,513
2011-02-08 Campbell Eileen M (Vice President, Public Policy) Option Ex 34,000 23.82 810,050
2011-02-08 Heminger Gary R (Executive V. P. - Downstream) Sale 40,000 46.20 1,848,000
2011-02-08 Heminger Gary R (Executive V. P. - Downstream) Option Ex 40,000 16.26 650,400
2008-06-11 Thill Howard J Sr (V.P.-Investor Rel./Public Aff.) Buy 300 50.06 15,018
2008-03-03 Heminger Gary R (Executive Vice President) Sale 9,000 53.66 482,895
2008-03-03 Heminger Gary R (Executive Vice President) Option Ex 9,000 17.00 153,000
2008-02-05 Snow John W (Director) Buy 2,000 47.52 95,036
2007-12-12 Behrman Philip G (Sr. Vice Pres., WW Exploration) Sale 30,266 59.52 1,801,553
2007-12-12 Behrman Philip G (Sr. Vice Pres., WW Exploration) Option Ex 30,266 23.82 721,087
2007-11-20 Clark Janet F (Executive V.P. and CFO) Option Ex 50,000 16.80 840,250
2007-06-06 Reinbolt Paul C (V.P., Finance and Treasurer) Sale 6,267 124.76 781,902
2007-06-06 Reinbolt Paul C (V.P., Finance and Treasurer) Option Ex 13,500 33.61 453,735
2007-05-29 Clark Janet F (Executive V.P. and CFO) Option Ex 20,000 33.61 672,200
2007-05-15 Hinchman Steven B (Sr. V.P.- Worldwide Production) Sale 25,000 111.64 2,790,900
2007-05-15 Hinchman Steven B (Sr. V.P.- Worldwide Production) Option Ex 25,000 32.52 813,000
2007-05-04 Kaplan Alard (V.P. - Major Projects) Sale 5,000 105.00 525,000
2007-05-04 Kaplan Alard (V.P. - Major Projects) Option Ex 5,000 30.88 154,375
2007-02-16 Howard Jerry (Sr. V.P., Corporate Affairs) Sale 5,453 91.00 496,250
2007-02-16 Howard Jerry (Sr. V.P., Corporate Affairs) Option Ex 13,633 33.61 458,205
2007-02-09 Schwind William F Jr (V.P., General Counsel and Sec.) Sale 9,320 91.61 853,805
2007-02-06 Snow John W (Director) Buy 1,000 89.60 89,595
2006-12-08 Matheny Kenneth L (V.P.-Investor Rel./Public Aff.) Sale 7,541 93.90 708,062
2006-12-08 Matheny Kenneth L (V.P.-Investor Rel./Public Aff.) Option Ex 26,200 29.56 774,524
2006-12-04 Schwind William F Jr (V.P., General Counsel and Sec.) Sale 10,000 95.10 951,050
2006-12-04 Hinchman Steven B (Sr. V.P.- Worldwide Production) Sale 12,000 95.17 1,141,992
2006-12-04 Hinchman Steven B (Sr. V.P.- Worldwide Production) Option Ex 2,000 47.65 95,300
2006-11-15 Behrman Philip G (Sr. Vice Pres., WW Exploration) Sale 200 89.95 17,990
2006-11-13 Reinbolt Paul C (V.P., Finance and Treasurer) Sale 8,100 89.61 725,865
2006-11-13 Reinbolt Paul C (V.P., Finance and Treasurer) Option Ex 8,100 25.52 206,671
2006-11-08 Kaplan Alard (V.P. - Major Projects) Sale 7,900 88.46 698,873
2006-11-08 Kaplan Alard (V.P. - Major Projects) Option Ex 20,000 33.61 672,200
2006-11-08 Hinchman Steven B (Sr. V.P.- Worldwide Production) Sale 6,500 88.46 574,964
2006-11-08 Hinchman Steven B (Sr. V.P.- Worldwide Production) Option Ex 6,500 28.12 182,780
2006-10-16 Kaplan Alard (V.P. - Major Projects) Sale 10,000 85.00 850,000
2006-10-16 Kaplan Alard (V.P. - Major Projects) Option Ex 10,000 30.88 308,750
2006-08-31 Cazalot Clarence P Jr (President and CEO) Sale 20,000 83.73 1,674,520
2006-08-31 Cazalot Clarence P Jr (President and CEO) Option Ex 20,000 25.52 510,300
2006-08-30 Cazalot Clarence P Jr (President and CEO) Sale 70,000 84.66 5,926,200
2006-08-30 Cazalot Clarence P Jr (President and CEO) Option Ex 70,000 25.52 1,786,050
2006-08-22 Behrman Philip G (Sr. Vice Pres., WW Exploration) Sale 42,000 90.76 3,811,836
2006-08-22 Behrman Philip G (Sr. Vice Pres., WW Exploration) Option Ex 78,100 26.82 2,094,407
2006-08-21 Heminger Gary R (Executive Vice President) Sale 80,200 90.00 7,218,000
2006-08-21 Heminger Gary R (Executive Vice President) Option Ex 80,200 26.82 2,150,723
2006-08-18 Matheny Kenneth L (V.P.-Investor Rel./Public Aff.) Sale 6,558 86.46 567,004
2006-08-17 Matheny Kenneth L (V.P.-Investor Rel./Public Aff.) Sale 8,300 86.60 718,763
2006-08-17 Matheny Kenneth L (V.P.-Investor Rel./Public Aff.) Option Ex 20,310 32.52 660,481
2006-08-16 Heminger Gary R (Executive Vice President) Sale 43,000 90.00 3,870,000
2006-08-16 Heminger Gary R (Executive Vice President) Option Ex 43,000 27.66 1,189,595
2006-08-11 Heminger Gary R (Executive Vice President) Sale 7,200 90.00 648,000
2006-08-11 Heminger Gary R (Executive Vice President) Option Ex 13,400 29.38 393,624
2006-08-08 Reinbolt Paul C (V.P., Finance and Treasurer) Sale 12,500 90.38 1,129,787
2006-08-08 Reinbolt Paul C (V.P., Finance and Treasurer) Option Ex 12,500 28.12 351,500
2006-08-04 Hinchman Steven B (Sr. V.P.- Worldwide Production) Option Ex 20,100 29.57 594,276
2006-06-02 Howard Jerry (Sr. V.P., Corporate Affairs) Sale 40,576 78.26 3,175,396
2006-06-02 Howard Jerry (Sr. V.P., Corporate Affairs) Option Ex 43,266 35.59 1,539,880
2006-05-26 Howard Jerry (Sr. V.P., Corporate Affairs) Sale 14,969 76.01 1,137,823
2006-05-25 Heminger Gary R (Executive Vice President) Sale 2,000 76.18 152,360
2006-05-25 Heminger Gary R (Executive Vice President) Option Ex 2,000 22.38 44,750
2006-05-09 Schwind William F Jr (V.P., General Counsel and Sec.) Sale 41,930 80.97 3,394,904
2006-05-09 Schwind William F Jr (V.P., General Counsel and Sec.) Option Ex 23,466 25.52 598,734
2006-04-28 Adkins Albert G (V.P.- Accounting) Option Ex 99 .00 0
2006-02-23 Reinbolt Paul C (V.P., Finance and Treasurer) Sale 12,000 70.50 845,940
2006-02-23 Reinbolt Paul C (V.P., Finance and Treasurer) Option Ex 12,000 28.12 337,440
2006-02-17 Behrman Philip G (Sr. Vice Pres., WW Exploration) Sale 25,000 71.02 1,775,600
2006-02-17 Behrman Philip G (Sr. Vice Pres., WW Exploration) Option Ex 25,000 32.52 813,000
2006-02-17 Adkins Albert G (V.P.- Accounting) Sale 6,184 71.13 439,867
2006-02-17 Clark Janet F (Sr. V.P. and CFO) Option Ex 14,333 33.51 480,327
2005-08-09 Adkins Albert G (V.P.-Accounting and) Sale 2,689 61.82 166,220
2005-06-10 Matheny Kenneth L (V.P.-Investor Rel./P) Sale 15,702 51.58 809,877
2005-05-20 Lowden Steven J (Sr. V.P.-Bus. Dev./I) Sale 1,000 46.72 46,720
2005-05-10 Adkins Albert G (V.P.-Accounting and) Sale 1,682 49.46 83,200

Insider trading activities including stock purchases, stock sales, and option exercises of MRO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Marathon Oil Corp (symbol MRO, CIK number 101778) see the Securities and Exchange Commission (SEC) website.