Insider Stock Trading History of Gregg Terrance H


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Gregg Terrance H since year 2005. The trader's CIK number is 1236388. At the time of this reporting, Gregg Terrance H is the Executive Chairman of Dexcom Inc . (stock ticker symbol DXCM). See this page for all insider trading activities at Dexcom Inc .

Note that in the past GREGG TERRANCE H also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Gregg Terrance H since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-05-24 DXCM Dexcom Inc Option Ex 30,000 6.85 205,500
2017-04-20 DXCM Dexcom Inc Sale 15,000 74.10 1,111,500
2016-09-07 DXCM Dexcom Inc Sale 5,595 95.01 531,569
2016-09-08 DXCM Dexcom Inc Sale 5,145 95.59 491,831
2016-08-30 DXCM Dexcom Inc Sale 10,000 92.14 921,360
2016-08-24 DXCM Dexcom Inc Sale 10,000 92.72 927,150
2016-08-22 DXCM Dexcom Inc Sale 10,000 90.51 905,110
2016-08-23 DXCM Dexcom Inc Sale 10,000 91.11 911,120
2016-08-18 DXCM Dexcom Inc Sale 20,000 90.77 1,815,320
2016-08-19 DXCM Dexcom Inc Sale 20,000 90.63 1,812,520
2016-08-15 DXCM Dexcom Inc Sale 14,942 91.01 1,359,856
2016-08-11 DXCM Dexcom Inc Sale 10,900 91.03 992,281
2016-08-09 DXCM Dexcom Inc Sale 37,168 91.05 3,384,220
2016-08-05 DXCM Dexcom Inc Sale 20,000 91.29 1,825,800
2016-05-11 DXCM Dexcom Inc Sale 15,000 64.50 967,574
2016-05-16 DXCM Dexcom Inc Sale 20,000 62.72 1,254,360
2016-05-11 DXCM Dexcom Inc Sale 8,600 64.32 553,151
2016-05-09 DXCM Dexcom Inc Sale 12,168 61.94 753,685
2016-04-11 DXCM Dexcom Inc Sale 2,169 68.00 147,492
2016-03-22 DXCM Dexcom Inc Sale 25,000 59.51 1,487,750
2015-12-15 DXCM Dexcom Inc Sale 15,000 83.26 1,248,885
2015-12-04 DXCM Dexcom Inc Option Ex 10,000 6.85 68,500
2015-12-04 DXCM Dexcom Inc Sale 10,000 86.79 867,870
2015-12-02 DXCM Dexcom Inc Option Ex 10,000 6.85 68,500
2015-12-02 DXCM Dexcom Inc Sale 10,000 87.05 870,530
2015-11-30 DXCM Dexcom Inc Option Ex 5,000 6.85 34,250
2015-11-30 DXCM Dexcom Inc Sale 5,000 86.50 432,500
2015-11-25 DXCM Dexcom Inc Sale 15,000 87.53 1,312,905
2015-11-25 DXCM Dexcom Inc Option Ex 15,000 6.85 102,750
2015-11-24 DXCM Dexcom Inc Option Ex 15,497 6.85 106,154
2015-11-24 DXCM Dexcom Inc Sale 15,497 86.54 1,341,110
2015-11-19 DXCM Dexcom Inc Option Ex 100 6.85 685
2015-11-20 DXCM Dexcom Inc Option Ex 21,903 6.85 150,035
2015-11-19 DXCM Dexcom Inc Sale 100 85.50 8,550
2015-11-20 DXCM Dexcom Inc Sale 21,903 86.48 1,894,171
2015-11-13 DXCM Dexcom Inc Option Ex 5,000 6.85 34,250
2015-11-16 DXCM Dexcom Inc Sale 15,000 83.48 1,252,275
2015-11-13 DXCM Dexcom Inc Sale 5,000 85.10 425,485
2015-11-10 DXCM Dexcom Inc Sale 17,500 85.00 1,487,535
2015-11-09 DXCM Dexcom Inc Sale 5,001 84.69 423,539
2015-11-10 DXCM Dexcom Inc Option Ex 17,500 6.85 119,875
2015-11-09 DXCM Dexcom Inc Option Ex 5,001 6.85 34,256
2015-10-15 DXCM Dexcom Inc Sale 15,000 77.92 1,168,800
2015-09-15 DXCM Dexcom Inc Sale 29,999 96.22 2,886,413
2015-09-15 DXCM Dexcom Inc Option Ex 14,999 6.85 102,743
2015-09-11 DXCM Dexcom Inc Option Ex 47,500 6.85 325,375
2015-09-11 DXCM Dexcom Inc Sale 47,500 96.50 4,583,702
2015-09-10 DXCM Dexcom Inc Sale 52,501 96.92 5,088,501
2015-09-09 DXCM Dexcom Inc Sale 10,000 91.00 910,000
2015-09-10 DXCM Dexcom Inc Option Ex 52,501 5.02 263,555
2015-09-09 DXCM Dexcom Inc Option Ex 10,000 6.85 68,500
2015-09-08 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2015-09-08 DXCM Dexcom Inc Sale 25,000 90.85 2,271,225
2015-06-12 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2015-06-12 DXCM Dexcom Inc Sale 25,000 72.30 1,807,425
2015-08-18 DXCM Dexcom Inc Option Ex 28,392 6.85 194,485
2015-08-17 DXCM Dexcom Inc Sale 15,000 96.72 1,450,725
2015-07-17 DXCM Dexcom Inc Sale 35,750 83.67 2,991,202
2015-07-15 DXCM Dexcom Inc Sale 15,000 81.64 1,224,615
2015-06-15 DXCM Dexcom Inc Sale 15,000 70.94 1,064,145
2015-06-01 DXCM Dexcom Inc Sale 10,000 72.75 727,500
2015-06-03 DXCM Dexcom Inc Option Ex 25,000 5.02 125,499
2015-06-02 DXCM Dexcom Inc Sale 5,000 73.12 365,600
2015-06-03 DXCM Dexcom Inc Sale 25,000 72.73 1,818,274
2015-06-01 DXCM Dexcom Inc Option Ex 10,000 3.19 31,900
2015-06-02 DXCM Dexcom Inc Option Ex 5,000 3.19 15,950
2015-05-19 DXCM Dexcom Inc Sale 17,500 69.58 1,217,562
2015-05-19 DXCM Dexcom Inc Option Ex 17,500 3.19 55,825
2015-05-18 DXCM Dexcom Inc Option Ex 37,500 3.19 119,625
2015-05-18 DXCM Dexcom Inc Sale 37,500 70.15 2,630,737
2015-05-14 DXCM Dexcom Inc Option Ex 30,000 5.02 150,600
2015-05-14 DXCM Dexcom Inc Sale 30,000 68.47 2,053,950
2015-05-15 DXCM Dexcom Inc Sale 15,000 68.19 1,022,775
2015-05-11 DXCM Dexcom Inc Sale 3,517 68.65 241,442
2015-05-11 DXCM Dexcom Inc Option Ex 3,517 3.19 11,219
2015-05-07 DXCM Dexcom Inc Option Ex 40,000 6.33 253,200
2015-05-08 DXCM Dexcom Inc Option Ex 51,483 5.02 258,444
2015-05-07 DXCM Dexcom Inc Sale 40,000 67.52 2,700,920
2015-05-08 DXCM Dexcom Inc Sale 51,483 68.09 3,505,683
2015-05-04 DXCM Dexcom Inc Sale 20,000 68.06 1,361,279
2015-05-04 DXCM Dexcom Inc Option Ex 20,000 8.95 179,000
2015-04-30 DXCM Dexcom Inc Sale 14,250 67.13 956,602
2015-04-15 DXCM Dexcom Inc Sale 15,000 67.56 1,013,415
2015-03-17 DXCM Dexcom Inc Sale 15,000 62.82 942,300
2015-02-17 DXCM Dexcom Inc Sale 15,000 62.19 932,805
2015-01-15 DXCM Dexcom Inc Sale 15,000 57.84 867,555
2014-12-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-12-15 DXCM Dexcom Inc Sale 35,000 53.23 1,862,980
2014-12-02 DXCM Dexcom Inc Option Ex 25,000 6.07 151,750
2014-12-02 DXCM Dexcom Inc Sale 25,000 53.09 1,327,225
2014-11-28 DXCM Dexcom Inc Sale 25,000 52.04 1,301,000
2014-11-28 DXCM Dexcom Inc Option Ex 25,000 7.90 197,500
2014-11-26 DXCM Dexcom Inc Sale 34,990 51.15 1,789,843
2014-11-26 DXCM Dexcom Inc Option Ex 34,990 8.95 313,160
2014-11-24 DXCM Dexcom Inc Option Ex 35,000 8.95 313,250
2014-11-25 DXCM Dexcom Inc Option Ex 20,010 8.95 179,089
2014-11-24 DXCM Dexcom Inc Sale 35,000 51.06 1,787,030
2014-11-25 DXCM Dexcom Inc Sale 20,010 51.00 1,020,510
2014-11-21 DXCM Dexcom Inc Option Ex 10,000 8.95 89,500
2014-11-21 DXCM Dexcom Inc Sale 10,000 50.50 505,000
2014-11-19 DXCM Dexcom Inc Sale 10,000 51.00 510,000
2014-11-19 DXCM Dexcom Inc Option Ex 10,000 8.95 89,500
2014-11-14 DXCM Dexcom Inc Option Ex 10,000 8.95 89,500
2014-11-14 DXCM Dexcom Inc Sale 10,000 52.51 525,080
2014-11-17 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-11-17 DXCM Dexcom Inc Sale 35,000 52.52 1,838,305
2014-11-12 DXCM Dexcom Inc Option Ex 25,000 8.95 223,749
2014-11-11 DXCM Dexcom Inc Sale 55,000 53.06 2,918,465
2014-11-12 DXCM Dexcom Inc Sale 25,000 54.01 1,350,350
2014-11-11 DXCM Dexcom Inc Option Ex 55,000 8.95 492,249
2014-10-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-10-15 DXCM Dexcom Inc Sale 35,000 39.63 1,386,980
2014-09-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-09-15 DXCM Dexcom Inc Sale 35,000 41.14 1,439,970
2014-08-26 DXCM Dexcom Inc Sale 5,000 46.05 230,265
2014-08-22 DXCM Dexcom Inc Sale 13,607 44.47 605,062
2014-08-22 DXCM Dexcom Inc Option Ex 6,107 6.85 41,832
2014-08-20 DXCM Dexcom Inc Option Ex 17,500 6.85 119,875
2014-08-21 DXCM Dexcom Inc Option Ex 6,393 6.85 43,792
2014-08-20 DXCM Dexcom Inc Sale 17,500 44.67 781,725
2014-08-21 DXCM Dexcom Inc Sale 6,393 43.50 278,095
2014-08-19 DXCM Dexcom Inc Sale 75,000 45.08 3,381,075
2014-08-18 DXCM Dexcom Inc Sale 75,000 44.15 3,310,875
2014-08-19 DXCM Dexcom Inc Option Ex 75,000 6.33 474,750
2014-08-18 DXCM Dexcom Inc Option Ex 65,000 6.46 419,900
2014-08-15 DXCM Dexcom Inc Option Ex 5,000 6.85 34,250
2014-08-15 DXCM Dexcom Inc Sale 5,000 44.06 220,290
2014-08-14 DXCM Dexcom Inc Option Ex 25,000 7.90 197,500
2014-08-14 DXCM Dexcom Inc Sale 25,000 44.25 1,106,175
2014-08-13 DXCM Dexcom Inc Sale 38,607 43.79 1,690,523
2014-08-12 DXCM Dexcom Inc Sale 17,500 43.09 754,057
2014-08-13 DXCM Dexcom Inc Option Ex 38,607 6.33 244,382
2014-08-12 DXCM Dexcom Inc Option Ex 17,500 8.95 156,625
2014-07-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-07-15 DXCM Dexcom Inc Sale 35,000 36.66 1,283,135
2014-06-16 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-06-16 DXCM Dexcom Inc Sale 35,000 37.23 1,303,120
2014-05-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-05-15 DXCM Dexcom Inc Sale 35,000 31.15 1,090,145
2014-04-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-04-15 DXCM Dexcom Inc Sale 35,000 34.09 1,193,010
2014-03-13 DXCM Dexcom Inc Option Ex 10,000 8.95 89,500
2014-03-13 DXCM Dexcom Inc Sale 10,000 45.09 450,900
2014-03-17 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-03-17 DXCM Dexcom Inc Sale 35,000 45.12 1,579,200
2014-03-12 DXCM Dexcom Inc Sale 20,000 45.38 907,580
2014-03-11 DXCM Dexcom Inc Sale 10,000 45.75 457,500
2014-03-12 DXCM Dexcom Inc Option Ex 20,000 8.95 179,000
2014-03-11 DXCM Dexcom Inc Option Ex 10,000 8.95 89,500
2014-03-06 DXCM Dexcom Inc Option Ex 20,500 7.90 161,950
2014-03-06 DXCM Dexcom Inc Sale 20,500 47.77 979,182
2014-03-05 DXCM Dexcom Inc Sale 66,890 47.25 3,160,619
2014-03-04 DXCM Dexcom Inc Sale 45,000 46.79 2,105,640
2014-03-05 DXCM Dexcom Inc Option Ex 66,890 5.78 386,824
2014-03-04 DXCM Dexcom Inc Option Ex 45,000 13.93 626,625
2014-02-28 DXCM Dexcom Inc Option Ex 15,000 8.95 134,250
2014-02-28 DXCM Dexcom Inc Sale 15,000 45.08 676,140
2014-03-03 DXCM Dexcom Inc Option Ex 25,000 8.59 214,750
2014-03-03 DXCM Dexcom Inc Sale 25,000 44.65 1,116,300
2014-02-18 DXCM Dexcom Inc Sale 35,000 43.73 1,530,655
2014-02-18 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2014-01-15 DXCM Dexcom Inc Sale 35,000 36.86 1,290,065
2014-01-15 DXCM Dexcom Inc Option Ex 25,000 6.85 171,250
2013-12-13 DXCM Dexcom Inc Sale 5,000 34.50 172,500
2013-12-12 DXCM Dexcom Inc Sale 35,000 34.65 1,212,750
2013-12-13 DXCM Dexcom Inc Option Ex 5,000 13.99 69,950
2013-12-11 DXCM Dexcom Inc Sale 10,000 33.50 335,000
2013-12-12 DXCM Dexcom Inc Option Ex 35,000 3.19 111,650
2013-12-11 DXCM Dexcom Inc Option Ex 10,000 7.31 73,100
2013-12-05 DXCM Dexcom Inc Option Ex 10,000 7.31 73,100
2013-12-04 DXCM Dexcom Inc Option Ex 10,000 7.31 73,100
2013-12-05 DXCM Dexcom Inc Sale 10,000 35.06 350,600
2013-12-04 DXCM Dexcom Inc Sale 10,000 34.47 344,730
2013-12-02 DXCM Dexcom Inc Sale 9,000 34.51 310,590
2013-11-15 DXCM Dexcom Inc Sale 15,000 32.53 487,890
2013-11-14 DXCM Dexcom Inc Sale 10,000 32.50 325,000
2013-11-15 DXCM Dexcom Inc Option Ex 15,000 3.19 47,850
2013-11-13 DXCM Dexcom Inc Sale 10,000 33.29 332,890
2013-11-14 DXCM Dexcom Inc Option Ex 10,000 6.85 68,500
2013-11-13 DXCM Dexcom Inc Option Ex 10,000 6.85 68,500
2013-11-01 DXCM Dexcom Inc Sale 9,000 28.33 254,969
2013-10-01 DXCM Dexcom Inc Sale 9,000 27.99 251,910
2013-09-03 DXCM Dexcom Inc Sale 9,000 27.00 243,000
2013-08-01 DXCM Dexcom Inc Sale 9,000 22.15 199,350
2013-07-01 DXCM Dexcom Inc Sale 9,000 22.87 205,812
2013-06-03 DXCM Dexcom Inc Sale 9,000 20.79 187,128
2013-06-04 DXCM Dexcom Inc Sale 10,000 21.80 218,000
2013-05-01 DXCM Dexcom Inc Sale 9,000 16.84 151,596
2013-04-01 DXCM Dexcom Inc Sale 9,000 16.90 152,118
2013-03-01 DXCM Dexcom Inc Sale 9,000 14.76 132,858
2013-01-02 DXCM Dexcom Inc Sale 9,000 13.89 125,010
2012-12-03 DXCM Dexcom Inc Sale 5,000 13.24 66,190
2012-11-05 DXCM Dexcom Inc Sale 5,000 12.76 63,800
2012-10-03 DXCM Dexcom Inc Sale 5,000 14.93 74,650
2012-09-14 DXCM Dexcom Inc Sale 9,000 13.50 121,500
2012-09-04 DXCM Dexcom Inc Sale 15,000 13.46 201,900
2012-08-03 DXCM Dexcom Inc Sale 5,000 11.60 57,980
2012-07-03 DXCM Dexcom Inc Sale 5,000 13.03 65,155
2012-06-04 DXCM Dexcom Inc Sale 5,000 10.78 53,884
2012-05-03 DXCM Dexcom Inc Sale 5,000 9.95 49,745
2012-04-03 DXCM Dexcom Inc Sale 5,000 10.63 53,175
2012-03-05 DXCM Dexcom Inc Sale 5,000 10.31 51,550
2012-02-03 DXCM Dexcom Inc Sale 5,000 11.71 58,545
2012-01-03 DXCM Dexcom Inc Sale 5,000 9.53 47,650
2010-05-10 DXCM Dexcom Inc Buy 10,000 9.72 97,200
2009-11-12 DXCM Dexcom Inc Buy 5,940 7.15 42,494
2009-11-10 DXCM Dexcom Inc Buy 14,060 7.20 101,274
2009-05-13 DXCM Dexcom Inc Buy 20,000 3.74 74,760
2009-03-13 DXCM Dexcom Inc Buy 50,000 4.14 207,200
2009-03-11 DXCM Dexcom Inc Buy 20,800 3.74 77,875
2008-11-21 DXCM Dexcom Inc Buy 35,000 1.57 54,810
2008-11-20 DXCM Dexcom Inc Buy 25,000 1.63 40,650
2008-11-19 DXCM Dexcom Inc Buy 40,000 1.93 77,080
2008-08-08 DXCM Dexcom Inc Buy 10,000 6.67 66,700
2008-03-14 DXCM Dexcom Inc Buy 30,000 4.87 146,100
2008-03-14 DXCM Dexcom Inc Buy 30,000 4.87 146,100
2005-05-06 AMLN Amylin Pharmaceuticals Inc Buy 3,000 16.37 49,110

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Gregg Terrance H (Executive Chairman of Dexcom Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.