The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Doubleday Richard since 2013.
This trader's CIK number is 1466545.
At the time of last reporting, Doubleday Richard was the EVP Chief Commercial Officer of Dexcom Inc. (stock ticker symbol DXCM).
Also see all insider trading activities at Dexcom Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2021 | DXCM | 0 | $0 | 14,354 | $5,277,843 | 0 | $0 |
| 2020 | DXCM | 0 | $0 | 30,110 | $9,897,071 | 0 | $0 |
| 2019 | DXCM | 0 | $0 | 35,365 | $5,308,752 | 0 | $0 |
| 2018 | DXCM | 0 | $0 | 30,963 | $3,285,069 | 0 | $0 |
| 2017 | DXCM | 0 | $0 | 27,272 | $1,946,628 | 0 | $0 |
| 2016 | DXCM | 0 | $0 | 25,764 | $1,992,061 | 0 | $0 |
| 2015 | DXCM | 0 | $0 | 58,780 | $4,174,842 | 35,000 | $293,988 |
| 2014 | DXCM | 0 | $0 | 128,750 | $5,575,414 | 110,000 | $738,700 |
| 2013 | DXCM | 0 | $0 | 6,372 | $104,572 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2021-03-23 | DXCM | Sale | 1,109 | 359.03 | 398,166 |
| 2021-02-24 | DXCM | Sale | 1,110 | 404.00 | 448,440 |
| 2021-01-22 | DXCM | Sale | 1,110 | 369.45 | 410,089 |
| 2021-01-04 | DXCM | Sale | 11,025 | 364.73 | 4,021,148 |
| 2020-12-23 | DXCM | Sale | 1,110 | 360.59 | 400,257 |
| 2020-11-23 | DXCM | Sale | 1,110 | 318.99 | 354,078 |
| 2020-10-23 | DXCM | Sale | 1,110 | 403.70 | 448,110 |
| 2020-09-24 | DXCM | Sale | 1,530 | 380.65 | 582,399 |
| 2020-09-09 | DXCM | Sale | 4,699 | 398.30 | 1,871,621 |
| 2020-08-24 | DXCM | Sale | 1,530 | 427.22 | 653,642 |
| 2020-07-23 | DXCM | Sale | 1,531 | 426.29 | 652,643 |
| 2020-06-23 | DXCM | Sale | 1,531 | 409.46 | 626,880 |
| 2020-05-22 | DXCM | Sale | 1,531 | 396.74 | 607,408 |
| 2020-04-23 | DXCM | Sale | 1,530 | 318.57 | 487,412 |
| 2020-03-23 | DXCM | Sale | 1,531 | 208.63 | 319,410 |
| 2020-03-11 | DXCM | Sale | 8,303 | 253.72 | 2,106,628 |
| 2020-02-24 | DXCM | Sale | 1,532 | 278.93 | 427,320 |
| 2020-01-23 | DXCM | Sale | 1,532 | 234.51 | 359,263 |
| 2019-12-23 | DXCM | Sale | 1,533 | 213.27 | 326,942 |
| 2019-11-22 | DXCM | Sale | 1,533 | 217.95 | 334,123 |
| 2019-10-23 | DXCM | Sale | 1,533 | 152.59 | 233,912 |
| 2019-09-24 | DXCM | Sale | 2,016 | 155.19 | 312,859 |
| 2019-09-09 | DXCM | Sale | 5,843 | 147.75 | 863,274 |
| 2019-08-23 | DXCM | Sale | 2,016 | 175.22 | 353,235 |
| 2019-07-23 | DXCM | Sale | 2,016 | 153.69 | 309,828 |
| 2019-06-24 | DXCM | Sale | 2,016 | 150.05 | 302,496 |
| 2019-05-23 | DXCM | Sale | 2,016 | 117.25 | 236,380 |
| 2019-04-23 | DXCM | Sale | 2,016 | 116.92 | 235,702 |
| 2019-03-25 | DXCM | Sale | 2,016 | 127.12 | 256,277 |
| 2019-03-12 | DXCM | Sale | 10,811 | 142.79 | 1,543,724 |
| 2018-12-21 | DXCM | Sale | 1,510 | 109.47 | 165,296 |
| 2018-11-23 | DXCM | Sale | 1,736 | 120.87 | 209,830 |
| 2018-10-23 | DXCM | Sale | 1,736 | 129.22 | 224,325 |
| 2018-09-24 | DXCM | Sale | 1,736 | 140.61 | 244,102 |
| 2018-09-10 | DXCM | Sale | 5,483 | 143.75 | 788,208 |
| 2018-08-23 | DXCM | Sale | 2,584 | 141.11 | 364,638 |
| 2018-07-23 | DXCM | Sale | 2,581 | 102.81 | 265,347 |
| 2018-06-25 | DXCM | Sale | 2,581 | 98.58 | 254,432 |
| 2018-05-23 | DXCM | Sale | 2,581 | 86.00 | 221,963 |
| 2018-04-23 | DXCM | Sale | 2,581 | 73.09 | 188,650 |
| 2018-03-23 | DXCM | Sale | 2,581 | 68.44 | 176,643 |
| 2018-02-23 | DXCM | Sale | 1,638 | 56.32 | 92,252 |
| 2018-01-23 | DXCM | Sale | 1,635 | 54.67 | 89,383 |
| 2017-12-26 | DXCM | Sale | 1,635 | 56.39 | 92,204 |
| 2017-11-24 | DXCM | Sale | 1,635 | 55.53 | 90,788 |
| 2017-10-23 | DXCM | Sale | 1,635 | 44.82 | 73,274 |
| 2017-09-25 | DXCM | Sale | 1,635 | 69.77 | 114,080 |
| 2017-08-23 | DXCM | Sale | 1,635 | 75.26 | 123,053 |
| 2017-06-23 | DXCM | Sale | 3,187 | 78.22 | 249,274 |
| 2017-05-23 | DXCM | Sale | 3,182 | 68.29 | 217,289 |
| 2017-04-24 | DXCM | Sale | 3,182 | 75.78 | 241,131 |
| 2017-03-23 | DXCM | Sale | 3,182 | 76.38 | 243,028 |
| 2017-02-23 | DXCM | Sale | 3,182 | 78.42 | 249,529 |
| 2017-01-23 | DXCM | Sale | 3,182 | 79.50 | 252,978 |
| 2016-12-23 | DXCM | Sale | 3,182 | 62.17 | 197,831 |
| 2016-11-23 | DXCM | Sale | 3,182 | 70.19 | 223,350 |
| 2016-10-24 | DXCM | Sale | 3,182 | 81.12 | 258,111 |
| 2016-09-23 | DXCM | Sale | 3,182 | 93.97 | 298,999 |
| 2016-08-23 | DXCM | Sale | 3,182 | 90.89 | 289,224 |
| 2016-07-25 | DXCM | Sale | 3,182 | 87.31 | 277,820 |
| 2016-05-23 | DXCM | Sale | 1,674 | 63.59 | 106,446 |
| 2016-04-25 | DXCM | Sale | 1,666 | 69.15 | 115,205 |
| 2016-03-23 | DXCM | Sale | 1,666 | 61.76 | 102,893 |
| 2016-01-25 | DXCM | Sale | 1,666 | 73.34 | 122,182 |
| 2015-12-23 | DXCM | Sale | 1,666 | 82.22 | 136,978 |
| 2015-11-23 | DXCM | Sale | 1,666 | 85.85 | 143,024 |
| 2015-11-09 | DXCM | Sale | 3,000 | 83.68 | 251,031 |
| 2015-11-09 | DXCM | Option Ex | 3,000 | 8.54 | 25,628 |
| 2015-10-23 | DXCM | Sale | 1,666 | 79.27 | 132,058 |
| 2015-09-23 | DXCM | Sale | 4,217 | 97.00 | 409,061 |
| 2015-08-24 | DXCM | Sale | 1,666 | 80.96 | 134,874 |
| 2015-07-23 | DXCM | Sale | 9,641 | 85.37 | 823,013 |
| 2015-05-27 | DXCM | Sale | 3,258 | 70.73 | 230,431 |
| 2015-03-23 | DXCM | Sale | 4,000 | 61.25 | 244,992 |
| 2015-03-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2015-03-12 | DXCM | Sale | 20,000 | 59.11 | 1,182,180 |
| 2015-03-12 | DXCM | Option Ex | 20,000 | 9.80 | 196,000 |
| 2015-02-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2015-02-23 | DXCM | Sale | 4,000 | 63.58 | 254,336 |
| 2015-01-23 | DXCM | Sale | 4,000 | 58.22 | 232,864 |
| 2015-01-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-12-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-12-23 | DXCM | Sale | 4,000 | 54.69 | 218,776 |
| 2014-11-24 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-11-24 | DXCM | Sale | 4,000 | 50.36 | 201,448 |
| 2014-11-24 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-11-24 | DXCM | Sale | 4,000 | 50.36 | 201,448 |
| 2014-10-23 | DXCM | Sale | 4,000 | 43.58 | 174,308 |
| 2014-10-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-09-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-09-23 | DXCM | Sale | 4,000 | 40.31 | 161,260 |
| 2014-08-25 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-08-25 | DXCM | Sale | 4,000 | 44.35 | 177,408 |
| 2014-08-19 | DXCM | Sale | 20,000 | 45.01 | 900,280 |
| 2014-08-19 | DXCM | Option Ex | 20,000 | 9.80 | 196,000 |
| 2014-07-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-07-23 | DXCM | Sale | 4,000 | 38.16 | 152,656 |
| 2014-06-23 | DXCM | Sale | 4,000 | 40.98 | 163,924 |
| 2014-06-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-06-05 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-06-05 | DXCM | Sale | 4,000 | 35.59 | 142,356 |
| 2014-05-23 | DXCM | Sale | 18,750 | 32.89 | 616,612 |
| 2014-04-23 | DXCM | Option Ex | 4,000 | 6.03 | 24,120 |
| 2014-04-23 | DXCM | Sale | 4,000 | 35.92 | 143,688 |
| 2014-03-11 | DXCM | Option Ex | 50,000 | 6.03 | 301,500 |
| 2014-03-11 | DXCM | Sale | 50,000 | 46.42 | 2,321,250 |
| 2013-05-09 | DXCM | Sale | 1,272 | 19.56 | 24,875 |
| 2013-03-11 | DXCM | Sale | 5,100 | 15.63 | 79,697 |
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 Doubleday Richard (EVP Chief Commercial Officer of Dexcom Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.