Richard Doubleday serves as Executive at DEXCOM INC, where they oversee executive responsibilities. Since joining the company, Richard Doubleday has executed 234 insider transactions totaling $37.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 12, 2014 involved selling 4,404 shares valued at $191.0K.
Richard Doubleday currently holds 6,748 shares of DEXCOM INC (DXCM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard Doubleday has been a net seller of DXCM stock. They have purchased $0 and sold $37.8M worth of shares.
Richard Doubleday's most recent insider trade was on Sep 12, 2014, when they sold 4,404 shares at $43.36 per share.
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| 2,228 |
| $43.23 |
| Discretionary |
| Aug 25, 2014 | DXCM | $24.1K | Option Exercise | 4,000 | $6.03 | Discretionary |
| Aug 25, 2014 | DXCM | $177.4K | Sale | 4,000 | $44.35 | Discretionary |
| Aug 19, 2014 | DXCM | $196.0K | Option Exercise | 20,000 | $9.80 | Discretionary |
| Aug 19, 2014 | DXCM | $900.2K | Sale | 20,000 | $45.01 | Discretionary |
| Jul 23, 2014 | DXCM | $9.5K | Sale | 249 | $38.16 | Discretionary |
| Jul 23, 2014 | DXCM | $22.6K | Option Exercise | 3,751 | $6.03 | Discretionary |
| Jul 23, 2014 | DXCM | $143.1K | Sale | 3,751 | $38.16 | Discretionary |
| Jul 23, 2014 | DXCM | $1.5K | Option Exercise | 249 | $6.03 | Discretionary |
| Jun 23, 2014 | DXCM | $24.1K | Option Exercise | 4,000 | $6.03 | Discretionary |
| Jun 23, 2014 | DXCM | $163.9K | Sale | 4,000 | $40.98 | Discretionary |
| Jun 5, 2014 | DXCM | $24.1K | Option Exercise | 4,000 | $6.03 | Discretionary |
| Jun 5, 2014 | DXCM | $142.4K | Sale | 4,000 | $35.59 | Discretionary |
| Jun 2, 2014 | DXCM | $88.7K | Disposition | 2,637 | $33.64 | Discretionary |
| May 23, 2014 | DXCM | $616.7K | Sale | 18,750 | $32.89 | Discretionary |
| Apr 23, 2014 | DXCM | $24.1K | Option Exercise | 4,000 | $6.03 | Discretionary |
| Apr 23, 2014 | DXCM | $143.7K | Sale | 4,000 | $35.92 | Discretionary |
| Mar 11, 2014 | DXCM | $124.2K | Disposition | 2,694 | $46.10 | Discretionary |
| Mar 11, 2014 | DXCM | $267.8K | Disposition | 5,923 | $45.22 | Discretionary |
| Mar 11, 2014 | DXCM | $2.3M | Sale | 50,000 | $46.42 | Discretionary |
| Mar 11, 2014 | DXCM | $301.5K | Option Exercise | 50,000 | $6.03 | Discretionary |
| Mar 8, 2014 | DXCM | $0 | Award | 50,000 | $N/A | Discretionary |
| Sep 9, 2013 | DXCM | $71.6K | Disposition | 2,663 | $26.89 | Discretionary |
| May 31, 2013 | DXCM | $0 | Award | 15,000 | $N/A | Discretionary |
| May 9, 2013 | DXCM | $13.5K | Sale | 692 | $19.55 | Discretionary |
| May 9, 2013 | DXCM | $11.3K | Sale | 580 | $19.56 | Discretionary |
| Mar 13, 2013 | DXCM | $63.8K | Disposition | 4,067 | $15.69 | Discretionary |
| Mar 11, 2013 | DXCM | $79.7K | Sale | 5,100 | $15.63 | Discretionary |
| Mar 11, 2013 | DXCM | $0 | Award | 50,000 | $N/A | Discretionary |