Richard Doubleday
CIK 1466545 · View on SEC EDGAR ↗
Insider
First SEC filing: March 24, 2021 · Latest: March 24, 2021
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Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
8 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 23, 2021 | DXCM | S 10b5-1 | 94 | $362.45 | $34,070 | 6,654 Indirect | -1.39% | Disposed | 0.5% (price as of 2026-08-20) |
| March 23, 2021 | DXCM | S 10b5-1 | 268 | $361.37 | $96,847 | 6,748 Indirect | -3.82% | Disposed | 0.8% (price as of 2026-08-20) |
| March 23, 2021 | DXCM | S 10b5-1 | 655 | $360.33 | $236,016 | 7,016 Indirect | -8.54% | Disposed | 1.1% (price as of 2026-08-20) |
| March 23, 2021 | DXCM | S 10b5-1 | 74 | $358.13 | $26,502 | 7,671 Indirect | -0.96% | Disposed | 1.7% (price as of 2026-08-20) |
| March 23, 2021 | DXCM | S 10b5-1 | 18 | $352.88 | $6,352 | 7,745 Indirect | -0.23% | Disposed | 3.2% (price as of 2026-08-20) |
| Feb. 24, 2021 | DXCM | S 10b5-1 | 1,110 | $404.00 | $448,440 | 7,763 Indirect | -12.51% | Disposed | -9.9% (price as of 2026-08-20) |
| Jan. 22, 2021 | DXCM | S 10b5-1 | 11 | $371.98 | $4,092 | 8,873 Indirect | -0.12% | Disposed | -2.1% (price as of 2026-08-20) |
| Jan. 22, 2021 | DXCM | S 10b5-1 | 310 | $370.24 | $114,774 | 8,884 Indirect | -3.37% | Disposed | -1.6% (price as of 2026-08-20) |
| Jan. 22, 2021 | DXCM | S 10b5-1 | 254 | $369.31 | $93,805 | 9,194 Indirect | -2.69% | Disposed | -1.4% (price as of 2026-08-20) |
| Jan. 22, 2021 | DXCM | S 10b5-1 | 169 | $368.20 | $62,226 | 9,448 Indirect | -1.76% | Disposed | -1.1% (price as of 2026-08-20) |
| Jan. 22, 2021 | DXCM | S 10b5-1 | 366 | $367.51 | $134,509 | 9,617 Indirect | -3.67% | Disposed | -0.9% (price as of 2026-08-20) |
| Jan. 4, 2021 | DXCM | S | 10,970 | $366.07 | $4,015,788 | 21,524 Direct | -33.76% | Disposed | -0.5% (price as of 2026-08-20) |
| Jan. 4, 2021 | DXCM | S | 28 | $365.16 | $10,224 | 32,494 Direct | -0.09% | Disposed | -0.3% (price as of 2026-08-20) |
| Jan. 4, 2021 | DXCM | S | 27 | $362.96 | $9,800 | 32,522 Direct | -0.08% | Disposed | 0.3% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 80 | $364.15 | $29,132 | 9,983 Indirect | -0.79% | Disposed | 0.0% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 60 | $362.83 | $21,770 | 10,063 Indirect | -0.59% | Disposed | 0.4% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 180 | $361.46 | $65,063 | 10,123 Indirect | -1.75% | Disposed | 0.8% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 123 | $360.62 | $44,356 | 10,303 Indirect | -1.18% | Disposed | 1.0% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 282 | $359.29 | $101,320 | 10,426 Indirect | -2.63% | Disposed | 1.4% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 265 | $358.48 | $94,997 | 10,708 Indirect | -2.42% | Disposed | 1.6% (price as of 2026-08-20) |
| Dec. 23, 2020 | DXCM | S 10b5-1 | 120 | $357.31 | $42,877 | 10,973 Indirect | -1.08% | Disposed | 1.9% (price as of 2026-08-20) |
| Nov. 23, 2020 | DXCM | S 10b5-1 | 1,110 | $318.99 | $354,079 | 11,093 Indirect | -9.10% | Disposed | 14.2% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 247 | $397.49 | $98,180 | 13,066 Indirect | -1.86% | Disposed | -8.4% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 83 | $408.00 | $33,864 | 12,203 Indirect | -0.68% | Disposed | -10.7% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 68 | $406.93 | $27,671 | 12,286 Indirect | -0.55% | Disposed | -10.5% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 263 | $406.45 | $106,896 | 12,354 Indirect | -2.08% | Disposed | -10.4% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 213 | $405.07 | $86,280 | 12,617 Indirect | -1.66% | Disposed | -10.1% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 6 | $403.49 | $2,421 | 12,830 Indirect | -0.05% | Disposed | -9.7% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 74 | $402.57 | $29,790 | 12,836 Indirect | -0.57% | Disposed | -9.5% (price as of 2026-08-20) |
| Oct. 23, 2020 | DXCM | S 10b5-1 | 156 | $399.63 | $62,342 | 12,910 Indirect | -1.19% | Disposed | -8.9% (price as of 2026-08-20) |
| Sept. 24, 2020 | DXCM | S 10b5-1 | 1,430 | $381.00 | $544,830 | 0 Indirect | -100.00% | Disposed | -4.4% (price as of 2026-08-20) |
| Sept. 24, 2020 | DXCM | S 10b5-1 | 100 | $380.31 | $38,031 | 1,430 Indirect | -6.54% | Disposed | -4.2% (price as of 2026-08-20) |
| Sept. 9, 2020 | DXCM | S | 1,402 | $398.30 | $558,417 | 46,812 Direct | -2.91% | Disposed | -8.6% (price as of 2026-08-20) |
| Sept. 9, 2020 | DXCM | S | 3,297 | $398.30 | $1,313,195 | 48,214 Direct | -6.40% | Disposed | -8.6% (price as of 2026-08-20) |
| Aug. 24, 2020 | DXCM | S 10b5-1 | 1,530 | $427.22 | $653,647 | 1,530 Indirect | -50.00% | Disposed | -14.8% (price as of 2026-08-20) |
| July 23, 2020 | DXCM | S 10b5-1 | 571 | $429.60 | $245,302 | 3,060 Indirect | -15.73% | Disposed | -15.2% (price as of 2026-08-20) |
| July 23, 2020 | DXCM | S 10b5-1 | 107 | $428.52 | $45,852 | 3,631 Indirect | -2.86% | Disposed | -15.0% (price as of 2026-08-20) |
| July 23, 2020 | DXCM | S 10b5-1 | 476 | $427.36 | $203,423 | 3,738 Indirect | -11.30% | Disposed | -14.8% (price as of 2026-08-20) |
| July 23, 2020 | DXCM | S 10b5-1 | 94 | $425.99 | $40,043 | 4,214 Indirect | -2.18% | Disposed | -14.5% (price as of 2026-08-20) |
| July 23, 2020 | DXCM | S 10b5-1 | 83 | $424.63 | $35,244 | 4,308 Indirect | -1.89% | Disposed | -14.2% (price as of 2026-08-20) |
| July 23, 2020 | DXCM | S 10b5-1 | 200 | $421.62 | $84,324 | 4,391 Indirect | -4.36% | Disposed | -13.6% (price as of 2026-08-20) |
| June 23, 2020 | DXCM | S 10b5-1 | 227 | $411.54 | $93,420 | 4,591 Indirect | -4.71% | Disposed | -11.5% (price as of 2026-08-20) |
| June 23, 2020 | DXCM | S 10b5-1 | 595 | $410.26 | $244,105 | 4,818 Indirect | -10.99% | Disposed | -11.2% (price as of 2026-08-20) |
| June 23, 2020 | DXCM | S 10b5-1 | 354 | $408.90 | $144,751 | 5,413 Indirect | -6.14% | Disposed | -10.9% (price as of 2026-08-20) |
| June 23, 2020 | DXCM | S 10b5-1 | 355 | $407.13 | $144,531 | 5,767 Indirect | -5.80% | Disposed | -10.5% (price as of 2026-08-20) |
| May 22, 2020 | DXCM | S 10b5-1 | 1,531 | $396.74 | $607,409 | 6,122 Indirect | -20.01% | Disposed | -8.2% (price as of 2026-08-20) |
| April 23, 2020 | DXCM | S 10b5-1 | 1,530 | $318.57 | $487,412 | 7,653 Indirect | -16.66% | Disposed | 14.3% (price as of 2026-08-20) |
| March 23, 2020 | DXCM | S 10b5-1 | 1,300 | $209.55 | $272,415 | 9,183 Indirect | -12.40% | Disposed | 73.8% (price as of 2026-08-20) |
| March 23, 2020 | DXCM | S 10b5-1 | 231 | $207.71 | $47,981 | 10,483 Indirect | -2.16% | Disposed | 75.3% (price as of 2026-08-20) |
| March 11, 2020 | DXCM | S | 7,974 | $265.43 | $2,116,539 | 52,005 Direct | -13.29% | Disposed | 37.2% (price as of 2026-08-20) |
| March 11, 2020 | DXCM | S | 189 | $250.02 | $47,254 | 59,979 Direct | -0.31% | Disposed | 45.7% (price as of 2026-08-20) |
| March 11, 2020 | DXCM | S | 140 | $245.71 | $34,399 | 60,168 Direct | -0.23% | Disposed | 48.2% (price as of 2026-08-20) |
| Feb. 24, 2020 | DXCM | S 10b5-1 | 88 | $283.09 | $24,912 | 10,714 Indirect | -0.81% | Disposed | 28.7% (price as of 2026-08-20) |
| Feb. 24, 2020 | DXCM | S 10b5-1 | 125 | $278.61 | $34,826 | 10,802 Indirect | -1.14% | Disposed | 30.7% (price as of 2026-08-20) |
| Feb. 24, 2020 | DXCM | S 10b5-1 | 852 | $278.03 | $236,882 | 10,927 Indirect | -7.23% | Disposed | 31.0% (price as of 2026-08-20) |
| Feb. 24, 2020 | DXCM | S 10b5-1 | 467 | $275.99 | $128,887 | 11,779 Indirect | -3.81% | Disposed | 32.0% (price as of 2026-08-20) |
| Jan. 23, 2020 | DXCM | S 10b5-1 | 500 | $236.09 | $118,045 | 12,246 Indirect | -3.92% | Disposed | 54.3% (price as of 2026-08-20) |
| Jan. 23, 2020 | DXCM | S 10b5-1 | 300 | $234.26 | $70,278 | 12,746 Indirect | -2.30% | Disposed | 55.5% (price as of 2026-08-20) |
| Jan. 23, 2020 | DXCM | S 10b5-1 | 732 | $233.17 | $170,680 | 13,046 Indirect | -5.31% | Disposed | 56.2% (price as of 2026-08-20) |
| Dec. 23, 2019 | DXCM | S 10b5-1 | 202 | $213.61 | $43,149 | 13,778 Indirect | -1.44% | Disposed | 70.5% (price as of 2026-08-20) |
| Dec. 23, 2019 | DXCM | S 10b5-1 | 1,331 | $212.93 | $283,410 | 13,980 Indirect | -8.69% | Disposed | 71.0% (price as of 2026-08-20) |
| Nov. 22, 2019 | DXCM | S 10b5-1 | 233 | $218.52 | $50,915 | 15,311 Indirect | -1.50% | Disposed | 66.7% (price as of 2026-08-20) |
| Nov. 22, 2019 | DXCM | S 10b5-1 | 1,300 | $217.39 | $282,607 | 15,544 Indirect | -7.72% | Disposed | 67.5% (price as of 2026-08-20) |
| Oct. 23, 2019 | DXCM | S 10b5-1 | 100 | $153.34 | $15,334 | 16,844 Indirect | -0.59% | Disposed | 137.5% (price as of 2026-08-20) |
| Oct. 23, 2019 | DXCM | S 10b5-1 | 800 | $152.71 | $122,168 | 16,944 Indirect | -4.51% | Disposed | 138.5% (price as of 2026-08-20) |
| Oct. 23, 2019 | DXCM | S 10b5-1 | 633 | $151.70 | $96,026 | 17,744 Indirect | -3.44% | Disposed | 140.1% (price as of 2026-08-20) |
| Sept. 24, 2019 | DXCM | S 10b5-1 | 519 | $155.57 | $80,741 | 0 Indirect | -100.00% | Disposed | 134.1% (price as of 2026-08-20) |
| Sept. 24, 2019 | DXCM | S 10b5-1 | 1,497 | $154.80 | $231,736 | 519 Indirect | -74.26% | Disposed | 135.3% (price as of 2026-08-20) |
| Sept. 9, 2019 | DXCM | S | 5,525 | $150.11 | $829,358 | 66,821 Direct | -7.64% | Disposed | 142.6% (price as of 2026-08-20) |
| Sept. 9, 2019 | DXCM | S | 318 | $145.38 | $46,231 | 72,346 Direct | -0.44% | Disposed | 150.5% (price as of 2026-08-20) |
| Aug. 23, 2019 | DXCM | S 10b5-1 | 896 | $175.88 | $157,588 | 2,016 Indirect | -30.77% | Disposed | 107.1% (price as of 2026-08-20) |
| Aug. 23, 2019 | DXCM | S 10b5-1 | 1,120 | $174.56 | $195,507 | 2,912 Indirect | -27.78% | Disposed | 108.6% (price as of 2026-08-20) |
| July 23, 2019 | DXCM | S 10b5-1 | 836 | $154.99 | $129,572 | 4,032 Indirect | -17.17% | Disposed | 135.0% (price as of 2026-08-20) |
| July 23, 2019 | DXCM | S 10b5-1 | 200 | $153.78 | $30,756 | 4,868 Indirect | -3.95% | Disposed | 136.8% (price as of 2026-08-20) |
| July 23, 2019 | DXCM | S 10b5-1 | 980 | $152.29 | $149,244 | 5,068 Indirect | -16.20% | Disposed | 139.1% (price as of 2026-08-20) |
| June 24, 2019 | DXCM | S 10b5-1 | 592 | $151.09 | $89,445 | 6,048 Indirect | -8.92% | Disposed | 141.0% (price as of 2026-08-20) |
| June 24, 2019 | DXCM | S 10b5-1 | 1,424 | $149.00 | $212,176 | 6,640 Indirect | -17.66% | Disposed | 144.4% (price as of 2026-08-20) |
| May 23, 2019 | DXCM | S 10b5-1 | 1,100 | $117.65 | $129,415 | 8,064 Indirect | -12.00% | Disposed | 209.6% (price as of 2026-08-20) |
| May 23, 2019 | DXCM | S 10b5-1 | 916 | $116.86 | $107,044 | 9,164 Indirect | -9.09% | Disposed | 211.7% (price as of 2026-08-20) |
| April 23, 2019 | DXCM | S 10b5-1 | 1,200 | $117.27 | $140,724 | 10,080 Indirect | -10.64% | Disposed | 210.6% (price as of 2026-08-20) |
| April 23, 2019 | DXCM | S 10b5-1 | 816 | $116.56 | $95,113 | 11,280 Indirect | -6.75% | Disposed | 212.5% (price as of 2026-08-20) |
| March 25, 2019 | DXCM | S 10b5-1 | 1,400 | $127.77 | $178,878 | 12,096 Indirect | -10.37% | Disposed | 185.0% (price as of 2026-08-20) |
| March 25, 2019 | DXCM | S 10b5-1 | 616 | $126.47 | $77,906 | 13,496 Indirect | -4.37% | Disposed | 188.0% (price as of 2026-08-20) |
| March 12, 2019 | DXCM | S | 2,191 | $142.79 | $312,853 | 72,570 Direct | -2.93% | Disposed | 155.1% (price as of 2026-08-20) |
| March 12, 2019 | DXCM | S | 6,399 | $142.79 | $913,713 | 74,761 Direct | -7.88% | Disposed | 155.1% (price as of 2026-08-20) |
| March 12, 2019 | DXCM | S | 2,221 | $142.79 | $317,137 | 81,160 Direct | -2.66% | Disposed | 155.1% (price as of 2026-08-20) |
| Dec. 21, 2018 | DXCM | S 10b5-1 | 310 | $110.61 | $34,289 | 14,112 Indirect | -2.15% | Disposed | 229.3% (price as of 2026-08-20) |
| Dec. 21, 2018 | DXCM | S 10b5-1 | 700 | $109.57 | $76,699 | 14,422 Indirect | -4.63% | Disposed | 232.4% (price as of 2026-08-20) |
| Dec. 21, 2018 | DXCM | S 10b5-1 | 500 | $108.23 | $54,115 | 15,122 Indirect | -3.20% | Disposed | 236.5% (price as of 2026-08-20) |
| Nov. 23, 2018 | DXCM | S 10b5-1 | 1,236 | $122.00 | $150,792 | 15,622 Indirect | -7.33% | Disposed | 198.5% (price as of 2026-08-20) |
| Nov. 23, 2018 | DXCM | S 10b5-1 | 500 | $119.74 | $59,870 | 16,858 Indirect | -2.88% | Disposed | 204.2% (price as of 2026-08-20) |
| Oct. 23, 2018 | DXCM | S 10b5-1 | 100 | $129.78 | $12,978 | 17,358 Indirect | -0.57% | Disposed | 180.6% (price as of 2026-08-20) |
Showing latest 100 of 259 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Nov. 9, 2015 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (988) | $9.80 | March 12, 2020 | 988 | Disposed |
| Nov. 9, 2015 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (2,000) | $6.03 | June 22, 2019 | 2,000 | Disposed |
| Nov. 9, 2015 | DXCM | Incentive Stock Option (right to buy) | Common Stock (12) | $9.80 | March 12, 2020 | 12 | Disposed |
| March 23, 2015 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| March 12, 2015 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (17,500) | $9.80 | March 12, 2020 | 17,500 | Disposed |
| March 12, 2015 | DXCM | Incentive Stock Option (right to buy) | Common Stock (2,500) | $9.80 | March 12, 2020 | 2,500 | Disposed |
| Feb. 23, 2015 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Jan. 23, 2015 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Dec. 23, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Nov. 24, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Nov. 24, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Oct. 23, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Sept. 23, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Aug. 25, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| Aug. 19, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (20,000) | $9.80 | March 12, 2020 | 20,000 | Disposed |
| July 23, 2014 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (3,751) | $6.03 | June 22, 2019 | 3,751 | Disposed |
| July 23, 2014 | DXCM | Incentive Stock Option (right to buy) | Common Stock (249) | $6.03 | June 22, 2019 | 249 | Disposed |
| June 23, 2014 | DXCM | Incentive Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| June 5, 2014 | DXCM | Incentive Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| April 23, 2014 | DXCM | Incentive Stock Option (right to buy) | Common Stock (4,000) | $6.03 | June 22, 2019 | 4,000 | Disposed |
| March 11, 2014 | DXCM | Incentive Stock Option (right to buy) | Common Stock (50,000) | $6.03 | June 22, 2019 | 50,000 | Disposed |
| March 12, 2010 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (38,488) | $9.80 | March 12, 2020 | 38,488 | Acquired |
| March 12, 2010 | DXCM | Incentive Stock Option (right to buy) | Common Stock (2,512) | $9.80 | March 12, 2020 | 2,512 | Acquired |
| June 22, 2009 | DXCM | Non-Qualified Stock Option (right to buy) | Common Stock (37,751) | $6.03 | June 22, 2019 | 37,751 | Acquired |
| June 22, 2009 | DXCM | Incentive Stock Option (right to buy) | Common Stock (62,249) | $6.03 | June 22, 2019 | 62,249 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2017 | $355,300 | — | — | — | $389,054 | — | $22,446 | $2,919,155 |
| 2016 | $340,000 | — | — | — | $249,581 | — | $23,756 | $3,125,099 |
| 2015 | $310,000 | — | — | — | $379,266 | — | $22,861 | $3,542,605 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.