Insider Trading activities of Gran Tierra Energy, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Gran Tierra Energy, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Gran Tierra Energy, Inc. since year 2005. Table 2 shows the detailed insider transactions of Gran Tierra Energy, Inc. since 2005. The reporting company's ticker symbol is GTE. The reporting company's CIK number is 1273441.
The total value of stock buying since 2005 is $4,512,443.
The total value of stock sales since 2005 is $55,997,317.
The total value of stock option exercises since 2005 is $2,106,613.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Gran Tierra Energy, Inc. (GTE).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 242,600 $559,678 242,600 $556,039 0 $0
2017-08 0 $0 0 $0 2,234 $0
2017-06 57,500 $119,600 0 $0 0 $0
2017-05 76,150 $181,990 0 $0 71,668 $0
2017-03 154,600 $398,854 0 $0 14,757 $0
2016-12 219,000 $637,810 0 $0 0 $0
2016-11 133,500 $397,074 0 $0 0 $0
2016-08 0 $0 0 $0 2,233 $0
2016-05 0 $0 0 $0 13,332 $0
2015-12 71,376 $142,609 0 $0 0 $0
2015-11 13,000 $29,549 0 $0 0 $0
2015-08 276,600 $625,919 0 $0 0 $0
2015-06 234,400 $703,270 400,000 $1,203,600 0 $0
2015-03 0 $0 0 $0 42,759 $0
2014-06 0 $0 275,000 $2,080,925 275,000 $542,575
2013-06 0 $0 82,500 $527,999 82,500 $66,000
2013-02 0 $0 300,000 $1,800,600 300,000 $711,000
2012-03 16,561 $100,293 100,000 $603,468 0 $0
2011-12 10,000 $48,019 867,500 $4,358,139 0 $0
2011-05 20,000 $141,740 0 $0 0 $0
2011-03 0 $0 190,000 $1,534,280 0 $0
2010-09 0 $0 117,300 $762,663 80,000 $64,000
2010-08 0 $0 827,693 $4,969,574 0 $0
2010-03 0 $0 4,109,794 $24,278,796 150,000 $296,500
2009-11 0 $0 275,000 $1,567,875 75,000 $89,250
2009-09 0 $0 142,919 $553,537 142,919 $337,288
2009-08 0 $0 100,000 $374,800 0 $0
2009-03 0 $0 200,000 $525,600 0 $0
2008-11 0 $0 224,991 $539,838 0 $0
2008-08 5,000 $24,500 0 $0 0 $0
2008-05 25,000 $147,440 0 $0 0 $0
2008-03 0 $0 2,529,000 $9,759,584 0 $0
2007-11 14,000 $25,200 0 $0 0 $0
2007-07 142,000 $228,898 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Gran Tierra Energy, Inc. insiders (GTE)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-29 Wade Brooke N. Buy 242,600 2.31 559,678
2017-09-29 Wade Brooke N. Sale 242,600 2.29 556,039
2017-08-01 Coral Adrian (President, GTE Colombia, Ltd.) Option Ex 2,234 .00 0
2017-06-21 Smith David P Buy 57,500 2.08 119,600
2017-05-12 Guidry Gary (President and CEO) Option Ex 31,667 .00 0
2017-05-12 Johnson Alan Martin (See Remarks) Option Ex 6,667 .00 0
2017-05-12 West Lawrence (Vice President, Exploration) Option Ex 6,667 .00 0
2017-05-12 Evans Jim (See Remarks) Option Ex 6,667 .00 0
2017-05-12 Ellson Ryan (Chief Financial Officer) Option Ex 20,000 .00 0
2017-05-05 Trimble Rodger Derrick (VP, Investor Relations) Buy 15,150 2.40 36,360
2017-05-05 Guidry Gary (President and CEO) Buy 45,000 2.39 107,550
2017-05-05 Ellson Ryan (Chief Financial Officer) Buy 16,000 2.38 38,080
2017-03-21 Johnson Alan Martin (VP, Asset Management) Buy 12,000 2.46 29,520
2017-03-13 Wade Brooke N. Buy 142,600 2.59 369,334
2017-03-01 Mawdsley Susan Lynn (See Remarks) Option Ex 5,352 .00 0
2017-03-01 Coral Adrian (Pres., GTE Colombia, Ltd.) Option Ex 9,405 .00 0
2016-12-23 Hardy David Eldon (VP, Legal and General Counsel) Buy 9,000 2.84 25,560
2016-12-21 Caldwell Ed (See Remarks) Buy 15,000 2.92 43,800
2016-12-21 Hardy David Eldon (VP, Legal and General Counsel) Buy 15,000 2.90 43,500
2016-12-20 Smith David P Buy 65,000 2.91 189,150
2016-12-20 Royal Ronald Buy 115,000 2.92 335,800
2016-11-29 Mawdsley Susan Lynn (See Remarks) Buy 20,000 3.00 60,000
2016-11-29 Trimble Rodger Derrick (VP, Investor Relations) Buy 12,500 3.00 37,500
2016-11-29 Smith David P Buy 30,000 3.00 90,000
2016-11-29 Hodgins Robert B. Buy 10,000 2.63 26,330
2016-11-09 Mawdsley Susan Lynn (See Remarks) Buy 20,500 3.01 61,704
2016-11-09 West Lawrence (Vice President, Exploration) Buy 25,000 3.04 76,125
2016-11-08 Mawdsley Susan Lynn (See Remarks) Buy 15,500 2.93 45,415
2016-08-01 Coral Adrian (Pres., GTE Colombia, Ltd.) Option Ex 2,233 .00 0
2016-05-12 West Lawrence (Vice President, Exploration) Option Ex 6,666 .00 0
2016-05-12 Evans Jim (VP, Corporate Services) Option Ex 6,666 .00 0
2015-12-14 Guidry Gary (President and CEO) Buy 71,376 2.00 142,609
2015-11-18 West Lawrence (VP, Exploration) Buy 13,000 2.27 29,549
2015-08-31 Evans Jim (VP, Corp Services & Compliance) Buy 61,000 2.50 152,500
2015-08-24 Nightingale Duncan (Executive Vice President) Buy 11,600 1.93 22,422
2015-08-20 Nightingale Duncan (Executive Vice President) Buy 7,000 2.08 14,581
2015-08-13 Hazell Evan (Director) Buy 30,000 2.30 69,060
2015-08-10 West Lawrence (VP, Exploration) Buy 17,000 2.27 38,607
2015-08-06 Guidry Gary (President and CEO) Buy 100,000 2.19 218,600
2015-08-06 Ellson Ryan (CFO) Buy 50,000 2.20 110,149
2015-06-24 Wade Brooke N. (Director) Buy 100,000 2.92 291,500
2015-06-15 Johnson Alan Martin (VP, Asset Management) Buy 26,400 3.06 80,678
2015-06-10 Royal Ronald (Director) Buy 88,000 3.09 272,272
2015-06-09 Dey Peter James (Director) Buy 20,000 2.94 58,820
2015-06-03 Price John Scott Ward (Director) Sale 100,000 2.98 297,900
2015-06-02 Price John Scott Ward (Director) Sale 300,000 3.02 905,700
2015-03-01 Coral Adrian (Pres., GTE Colombia, Ltd.) Option Ex 11,092 .00 0
2015-03-01 Hardy David Eldon (VP, Legal and General Counsel) Option Ex 31,667 .00 0
2014-06-13 Orunesu Rafael (Pres., GTE Argentina) Sale 275,000 7.57 2,080,925
2014-06-13 Orunesu Rafael (Pres., GTE Argentina) Option Ex 275,000 1.97 542,575
2013-06-04 Orunesu Rafael (Pres., GTE Argentina) Sale 9,617 6.40 61,548
2013-06-03 Orunesu Rafael (Pres., GTE Argentina) Sale 72,883 6.40 466,451
2013-06-03 Orunesu Rafael (Pres., GTE Argentina) Option Ex 82,500 .80 66,000
2013-02-28 O'leary Shane P. (COO) Sale 300,000 6.00 1,800,600
2013-02-28 O'leary Shane P. (COO) Option Ex 300,000 2.37 711,000
2012-03-15 Kirton Nicholas G. (Director) Buy 16,561 6.06 100,293
2012-03-08 Moreira Julio Cesar Dias (Pres., GT Brasil Ltda.) Sale 75,000 6.12 459,000
2012-03-07 Moreira Julio Cesar Dias (Pres., GT Brasil Ltda.) Sale 19,252 5.75 110,756
2012-03-02 Moreira Julio Cesar Dias (Pres., GT Brasil Ltda.) Sale 5,748 5.87 33,712
2011-12-16 Hardy David Eldon (VP, Legal, and Secretary) Buy 10,000 4.80 48,019
2011-12-14 O'leary Shane P. (COO) Sale 30,000 4.75 142,560
2011-12-14 Coffield Dana (CEO and President) Sale 107,500 4.74 509,980
2011-12-13 O'leary Shane P. (COO) Sale 30,000 4.90 147,000
2011-12-13 Coffield Dana (CEO and President) Sale 200,000 5.03 1,005,800
2011-12-12 Coffield Dana (CEO and President) Sale 300,000 5.01 1,503,300
2011-12-09 Coffield Dana (CEO and President) Sale 100,000 5.25 525,400
2011-12-08 Coffield Dana (CEO and President) Sale 100,000 5.24 524,099
2011-05-31 Macey Gerald Joseph (Director) Buy 20,000 7.09 141,740
2011-03-17 O'leary Shane P. (COO) Sale 40,000 7.95 318,080
2011-03-09 Antony Raymond Peter (Director) Sale 150,000 8.11 1,216,200
2010-09-17 Orunesu Rafael (Pres., GTE Argentina) Sale 80,000 6.65 531,760
2010-09-17 Orunesu Rafael (Pres., GTE Argentina) Option Ex 80,000 .80 64,000
2010-09-10 Coffield Dana (CEO and President) Sale 27,300 6.01 164,073
2010-09-01 O'leary Shane P. (COO) Sale 10,000 6.68 66,830
2010-08-19 Dawson Walter (Director) Sale 17,052 6.00 102,363
2010-08-18 Dawson Walter (Director) Sale 396,753 6.00 2,382,501
2010-08-17 Dawson Walter (Director) Sale 36,195 6.00 217,170
2010-08-17 Scott Jeffrey J (Director) Sale 100,000 6.00 599,850
2010-08-13 Johnson Verne (Director) Sale 62,493 5.95 371,958
2010-08-10 Coffield Dana (CEO and President) Sale 165,200 6.01 993,182
2010-03-17 Johnson Verne (Director) Sale 133,725 5.84 780,686
2010-03-16 Johnson Verne (Director) Sale 48,100 5.92 284,800
2010-03-11 O'leary Shane P. (COO) Sale 30,000 5.88 176,280
2010-03-11 Johnson Verne (Director) Sale 15,000 5.86 87,840
2010-03-10 O'leary Shane P. (COO) Sale 60,000 5.92 355,380
2010-03-08 Johnson Verne (Director) Sale 200,000 5.97 1,193,600
2010-03-08 Eden Martin H (Chief Financial Officer) Sale 50,000 5.93 296,600
2010-03-08 Eden Martin H (Chief Financial Officer) Option Ex 50,000 1.19 59,500
2010-03-04 O'leary Shane P. (COO) Option Ex 100,000 2.37 237,000
2010-03-04 Price John Scott Ward (Director) Sale 664,789 5.82 3,869,736
2010-03-03 Price John Scott Ward (Director) Sale 2,908,180 5.93 17,233,874
2009-11-30 Eden Martin H (Chief Financial Officer) Sale 75,000 5.71 427,875
2009-11-30 Eden Martin H (Chief Financial Officer) Option Ex 75,000 1.19 89,250
2009-11-17 Price John Scott Ward (Director) Sale 200,000 5.70 1,140,000
2009-09-04 Antony Raymond Peter (Director) Sale 43,819 3.91 171,507
2009-09-04 Antony Raymond Peter (Director) Option Ex 142,919 2.36 337,288
2009-09-03 Antony Raymond Peter (Director) Sale 99,100 3.85 382,030
2009-08-18 Price John Scott Ward (Director) Sale 100,000 3.75 374,800
2009-03-13 Price John Scott Ward (Director) Sale 200,000 2.63 525,600
2008-11-26 Johnson Verne (Director) Sale 126,591 2.39 302,552
2008-11-25 Johnson Verne (Director) Sale 36,600 2.37 86,742
2008-11-24 Johnson Verne (Director) Sale 61,800 2.44 150,544
2008-08-21 Kirton Nicholas G. (Director) Buy 5,000 4.90 24,500
2008-05-16 Kirton Nicholas G. (Director) Buy 5,000 6.00 30,000
2008-05-15 Kirton Nicholas G. (Director) Buy 20,000 5.87 117,440
2008-03-14 Savitz Jonathan Sale 265,000 3.96 1,049,930
2008-03-13 Savitz Jonathan Sale 1,080,000 4.11 4,433,400
2008-03-12 Savitz Jonathan Sale 500,000 3.72 1,860,000
2008-03-11 Savitz Jonathan Sale 60,000 3.58 214,500
2008-03-10 Savitz Jonathan Sale 165,000 3.60 593,505
2008-03-07 Savitz Jonathan Sale 170,000 3.52 598,060
2008-03-06 Savitz Jonathan Sale 38,000 3.50 133,038
2008-03-05 Savitz Jonathan Sale 200,000 3.49 698,600
2008-03-04 Savitz Jonathan Sale 51,000 3.50 178,551
2007-11-16 Eden Martin H (CFO) Buy 14,000 1.80 25,200
2007-07-25 Savitz Jonathan Buy 42,000 1.62 67,998
2007-07-24 Savitz Jonathan Buy 100,000 1.61 160,900

Insider trading activities including stock purchases, stock sales, and option exercises of GTE listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Gran Tierra Energy, Inc. (symbol GTE, CIK number 1273441) see the Securities and Exchange Commission (SEC) website.