SEC CIK 1466545
DOUBLEDAY RICHARD
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| DXCMview stock → | 6,748 | 2021-03-23 |
Position History — DXCM
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — DXCM
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2021-03-23 | Open-market sale | 268 | $361.37 | 6,748 |
| 2021-03-23 | Open-market sale | 94 | $362.45 | 6,654 |
| 2021-03-23 | Open-market sale | 18 | $352.88 | 7,745 |
| 2021-03-23 | Open-market sale | 74 | $358.13 | 7,671 |
| 2021-03-23 | Open-market sale | 655 | $360.33 | 7,016 |
| 2021-02-24 | Open-market sale | 1,110 | $404.00 | 7,763 |
| 2021-01-22 | Open-market sale | 366 | $367.51 | 9,617 |
| 2021-01-22 | Open-market sale | 310 | $370.24 | 8,884 |
| 2021-01-22 | Open-market sale | 254 | $369.31 | 9,194 |
| 2021-01-22 | Open-market sale | 169 | $368.20 | 9,448 |
| 2021-01-22 | Open-market sale | 11 | $371.98 | 8,873 |
| 2021-01-04 | Open-market sale | 28 | $365.16 | 32,494 |
| 2021-01-04 | Open-market sale | 10,970 | $366.07 | 21,524 |
| 2021-01-04 | Open-market sale | 27 | $362.96 | 32,522 |
| 2020-12-29 | Gift | 950 | $0.00 | 32,549 |
| 2020-12-23 | Open-market sale | 120 | $357.31 | 10,973 |
| 2020-12-23 | Open-market sale | 265 | $358.48 | 10,708 |
| 2020-12-23 | Open-market sale | 282 | $359.29 | 10,426 |
| 2020-12-23 | Open-market sale | 123 | $360.62 | 10,303 |
| 2020-12-23 | Open-market sale | 180 | $361.46 | 10,123 |
| 2020-12-23 | Open-market sale | 60 | $362.83 | 10,063 |
| 2020-12-23 | Open-market sale | 80 | $364.15 | 9,983 |
| 2020-11-23 | Open-market sale | 1,110 | $318.99 | 11,093 |
| 2020-10-23 | Open-market sale | 156 | $399.63 | 12,910 |
| 2020-10-23 | Open-market sale | 247 | $397.49 | 13,066 |
| 2020-10-23 | Open-market sale | 83 | $408.00 | 12,203 |
| 2020-10-23 | Open-market sale | 68 | $406.93 | 12,286 |
| 2020-10-23 | Open-market sale | 263 | $406.45 | 12,354 |
| 2020-10-23 | Open-market sale | 213 | $405.07 | 12,617 |
| 2020-10-23 | Open-market sale | 6 | $403.49 | 12,830 |
| 2020-10-23 | Open-market sale | 74 | $402.57 | 12,836 |
| 2020-10-14 | J | 13,313 | $0.00 | 13,313 |
| 2020-10-14 | J | 13,313 | $0.00 | 33,499 |
| 2020-09-24 | Open-market sale | 100 | $380.31 | 1,430 |
| 2020-09-24 | Open-market sale | 1,430 | $381.00 | 0 |
| 2020-09-09 | Open-market sale | 1,402 | $398.30 | 46,812 |
| 2020-09-09 | Open-market sale | 3,297 | $398.30 | 48,214 |
| 2020-08-24 | Open-market sale | 1,530 | $427.22 | 1,530 |
| 2020-07-23 | Open-market sale | 200 | $421.62 | 4,391 |
| 2020-07-23 | Open-market sale | 571 | $429.60 | 3,060 |
| 2020-07-23 | Open-market sale | 107 | $428.52 | 3,631 |
| 2020-07-23 | Open-market sale | 94 | $425.99 | 4,214 |
| 2020-07-23 | Open-market sale | 476 | $427.36 | 3,738 |
| 2020-07-23 | Open-market sale | 83 | $424.63 | 4,308 |
| 2020-06-23 | Open-market sale | 227 | $411.54 | 4,591 |
| 2020-06-23 | Open-market sale | 355 | $407.13 | 5,767 |
| 2020-06-23 | Open-market sale | 354 | $408.90 | 5,413 |
| 2020-06-23 | Open-market sale | 595 | $410.26 | 4,818 |
| 2020-05-22 | Open-market sale | 1,531 | $396.74 | 6,122 |
| 2020-04-23 | Open-market sale | 1,530 | $318.57 | 7,653 |
| 2020-03-23 | Open-market sale | 1,300 | $209.55 | 9,183 |
| 2020-03-23 | Open-market sale | 231 | $207.71 | 10,483 |
| 2020-03-13 | Gift | 523 | $0.00 | 51,482 |
| 2020-03-11 | Open-market sale | 140 | $245.71 | 60,168 |
| 2020-03-11 | Open-market sale | 189 | $250.02 | 59,979 |
| 2020-03-11 | Open-market sale | 7,974 | $265.43 | 52,005 |
| 2020-03-08 | Grant / award | 11,748 | $0.00 | 60,308 |
| 2020-02-24 | Open-market sale | 88 | $283.09 | 10,714 |
| 2020-02-24 | Open-market sale | 125 | $278.61 | 10,802 |
| 2020-02-24 | Open-market sale | 852 | $278.03 | 10,927 |
| 2020-02-24 | Open-market sale | 467 | $275.99 | 11,779 |
| 2020-01-23 | Open-market sale | 300 | $234.26 | 12,746 |
| 2020-01-23 | Open-market sale | 500 | $236.09 | 12,246 |
| 2020-01-23 | Open-market sale | 732 | $233.17 | 13,046 |
| 2019-12-23 | Open-market sale | 202 | $213.61 | 13,778 |
| 2019-12-23 | Open-market sale | 1,331 | $212.93 | 13,980 |
| 2019-11-22 | Open-market sale | 1,300 | $217.39 | 15,544 |
| 2019-11-22 | Open-market sale | 233 | $218.52 | 15,311 |
| 2019-10-23 | Open-market sale | 800 | $152.71 | 16,944 |
| 2019-10-23 | Open-market sale | 633 | $151.70 | 17,744 |
| 2019-10-23 | Open-market sale | 100 | $153.34 | 16,844 |
| 2019-10-07 | J | 18,377 | $0.00 | 48,444 |
| 2019-10-07 | J | 18,377 | $0.00 | 18,377 |
| 2019-09-24 | Open-market sale | 1,497 | $154.80 | 519 |
| 2019-09-24 | Open-market sale | 519 | $155.57 | 0 |
| 2019-09-09 | Open-market sale | 5,525 | $150.11 | 66,821 |
| 2019-09-09 | Open-market sale | 318 | $145.38 | 72,346 |
| 2019-08-23 | Open-market sale | 896 | $175.88 | 2,016 |
| 2019-08-23 | Open-market sale | 1,120 | $174.56 | 2,912 |
| 2019-07-23 | Open-market sale | 980 | $152.29 | 5,068 |
| 2019-07-23 | Open-market sale | 836 | $154.99 | 4,032 |
| 2019-07-23 | Open-market sale | 200 | $153.78 | 4,868 |
| 2019-06-24 | Open-market sale | 1,424 | $149.00 | 6,640 |
| 2019-06-24 | Open-market sale | 592 | $151.09 | 6,048 |
| 2019-05-23 | Open-market sale | 1,100 | $117.65 | 8,064 |
| 2019-05-23 | Open-market sale | 916 | $116.86 | 9,164 |
| 2019-04-23 | Open-market sale | 816 | $116.56 | 11,280 |
| 2019-04-23 | Open-market sale | 1,200 | $117.27 | 10,080 |
| 2019-03-25 | Open-market sale | 616 | $126.47 | 13,496 |
| 2019-03-25 | Open-market sale | 1,400 | $127.77 | 12,096 |
| 2019-03-12 | Open-market sale | 2,191 | $142.79 | 72,570 |
| 2019-03-12 | Open-market sale | 6,399 | $142.79 | 74,761 |
| 2019-03-12 | Open-market sale | 2,221 | $142.79 | 81,160 |
| 2019-03-08 | Grant / award | 16,365 | $0.00 | 83,381 |
| 2018-12-21 | Open-market sale | 700 | $109.57 | 14,422 |
| 2018-12-21 | Open-market sale | 500 | $108.23 | 15,122 |
| 2018-12-21 | Open-market sale | 310 | $110.61 | 14,112 |
| 2018-11-23 | Open-market sale | 1,236 | $122.00 | 15,622 |
| 2018-11-23 | Open-market sale | 500 | $119.74 | 16,858 |
| 2018-10-23 | Open-market sale | 1,636 | $128.66 | 17,458 |
| 2018-10-23 | Open-market sale | 100 | $129.78 | 17,358 |
| 2018-09-24 | Open-market sale | 60 | $138.25 | 20,770 |
| 2018-09-24 | Open-market sale | 820 | $140.84 | 19,870 |
| 2018-09-24 | Open-market sale | 556 | $141.76 | 19,314 |
| 2018-09-24 | Open-market sale | 220 | $142.49 | 19,094 |
| 2018-09-24 | Open-market sale | 80 | $139.72 | 20,690 |
| 2018-09-10 | Open-market sale | 2,303 | $143.76 | 69,984 |
| 2018-09-10 | Open-market sale | 3,180 | $143.76 | 66,804 |
| 2018-08-31 | J | 20,830 | $0.00 | 72,287 |
| 2018-08-31 | J | 20,830 | $0.00 | 20,830 |
| 2018-08-23 | Open-market sale | 1,934 | $139.73 | 650 |
| 2018-08-23 | Open-market sale | 550 | $140.52 | 100 |
| 2018-08-23 | Open-market sale | 100 | $143.09 | 0 |
| 2018-07-23 | Open-market sale | 450 | $103.30 | 1,067 |
| 2018-07-23 | Open-market sale | 2,131 | $102.31 | 1,517 |
| 2018-06-25 | Open-market sale | 2,581 | $98.58 | 3,648 |
| 2018-05-23 | Open-market sale | 2,581 | $86.00 | 6,229 |
| 2018-04-23 | Open-market sale | 2,581 | $73.09 | 8,810 |
| 2018-03-23 | Open-market sale | 2,581 | $68.44 | 11,391 |
| 2018-03-12 | Disposition to issuer | 2,835 | $60.73 | 98,681 |
| 2018-03-12 | Disposition to issuer | 4,252 | $60.73 | 94,429 |
| 2018-03-12 | Disposition to issuer | 2,221 | $60.73 | 101,516 |
| 2018-03-08 | Grant / award | 38,502 | $0.00 | 103,737 |
| 2018-02-23 | Open-market sale | 1,638 | $56.32 | 13,972 |
| 2018-01-23 | Open-market sale | 1,635 | $54.67 | 15,610 |
| 2017-12-26 | Open-market sale | 1,635 | $56.39 | 17,245 |
| 2017-11-24 | Open-market sale | 1,635 | $55.53 | 18,880 |
| 2017-10-23 | Open-market sale | 1,635 | $44.82 | 20,515 |
| 2017-09-25 | Open-market sale | 1,635 | $69.77 | 22,150 |
| 2017-09-11 | Disposition to issuer | 3,347 | $71.81 | 69,233 |
| 2017-09-11 | Disposition to issuer | 4,184 | $71.81 | 65,049 |
| 2017-08-23 | Open-market sale | 1,635 | $75.26 | 23,785 |
| 2017-06-23 | Open-market sale | 3,187 | $78.22 | 25,420 |
| 2017-05-23 | Open-market sale | 3,182 | $68.29 | 28,607 |
| 2017-04-24 | Open-market sale | 3,182 | $75.78 | 6,369 |
| 2017-03-23 | Open-market sale | 3,182 | $76.38 | 9,551 |
| 2017-03-10 | Disposition to issuer | 3,208 | $77.55 | 97,815 |
| 2017-03-10 | Disposition to issuer | 6,694 | $77.55 | 104,550 |
| 2017-03-10 | Disposition to issuer | 3,527 | $77.55 | 101,023 |
| 2017-03-08 | Grant / award | 27,510 | $0.00 | 111,244 |
| 2017-02-23 | Open-market sale | 3,182 | $78.42 | 12,733 |
| 2017-01-23 | Open-market sale | 3,182 | $79.50 | 15,915 |
| 2016-12-23 | Open-market sale | 3,182 | $62.17 | 19,097 |
| 2016-11-23 | Open-market sale | 3,182 | $70.19 | 22,279 |
| 2016-10-24 | Open-market sale | 3,182 | $81.12 | 25,461 |
| 2016-09-23 | Open-market sale | 3,182 | $93.97 | 28,643 |
| 2016-09-09 | Disposition to issuer | 4,223 | $93.72 | 83,582 |
| 2016-09-09 | Disposition to issuer | 4,445 | $93.72 | 87,805 |
| 2016-08-23 | Open-market sale | 3,182 | $90.89 | 31,825 |
| 2016-07-25 | Open-market sale | 3,182 | $87.31 | 35,007 |
| 2016-06-01 | Disposition to issuer | 2,650 | $63.51 | 92,250 |
| 2016-05-23 | Open-market sale | 1,674 | $63.59 | 38,189 |
| 2016-04-25 | Open-market sale | 1,666 | $69.15 | 39,863 |
| 2016-03-23 | Open-market sale | 1,666 | $61.76 | 13,407 |
| 2016-03-14 | Disposition to issuer | 4,430 | $63.96 | 123,022 |
| 2016-03-10 | Disposition to issuer | 3,328 | $63.18 | 135,528 |
| 2016-03-10 | Disposition to issuer | 8,076 | $63.18 | 127,452 |
| 2016-03-08 | Grant / award | 38,000 | $0.00 | 138,856 |
| 2016-02-23 | Open-market sale | 1,666 | $64.36 | 15,073 |
| 2016-01-25 | Open-market sale | 1,666 | $73.34 | 16,739 |
| 2015-12-23 | Open-market sale | 1,666 | $82.22 | 18,405 |
| 2015-11-23 | Open-market sale | 1,666 | $85.85 | 20,071 |
| 2015-11-09 | Option exercise (derivative) | 988 | $83.68 | 0 |
| 2015-11-09 | Option exercise (derivative) | 12 | $83.68 | 0 |
| 2015-11-09 | Option exercise | 2,000 | $6.03 | 102,483 |
| 2015-11-09 | Option exercise | 12 | $9.80 | 100,495 |
| 2015-11-09 | Option exercise | 988 | $9.80 | 101,471 |
| 2015-11-09 | Open-market sale | 12 | $83.68 | 100,483 |
| 2015-10-23 | Open-market sale | 1,666 | $79.27 | 21,737 |
| 2015-09-23 | Open-market sale | 4,217 | $97.00 | 23,403 |
| 2015-09-14 | Disposition to issuer | 4,416 | $95.93 | 100,483 |
| 2015-09-09 | Disposition to issuer | 4,404 | $90.90 | 104,899 |
| 2015-08-24 | Open-market sale | 1,666 | $80.96 | 27,620 |
| 2015-07-23 | Open-market sale | 9,641 | $85.37 | 29,286 |
| 2015-06-01 | Disposition to issuer | 2,623 | $71.61 | 147,945 |
| 2015-05-27 | Open-market sale | 3,258 | $70.73 | 150,568 |
| 2015-03-23 | Option exercise (derivative) | 4,000 | $61.25 | 2,000 |
| 2015-03-23 | Option exercise | 4,000 | $6.03 | 157,826 |
| 2015-03-23 | Open-market sale | 4,000 | $61.25 | 153,826 |
| 2015-03-12 | Option exercise (derivative) | 2,500 | $58.94 | 12 |
| 2015-03-12 | Option exercise (derivative) | 17,500 | $59.28 | 988 |
| 2015-03-12 | Option exercise | 17,500 | $9.80 | 171,326 |
| 2015-03-12 | Option exercise | 2,500 | $9.80 | 156,326 |
| 2015-03-12 | Open-market sale | 2,500 | $58.94 | 153,826 |
| 2015-03-12 | Disposition to issuer | 4,448 | $58.58 | 153,826 |
| 2015-03-11 | Disposition to issuer | 8,121 | $58.74 | 158,274 |
| 2015-03-11 | Disposition to issuer | 1,629 | $58.74 | 166,395 |
| 2015-03-08 | Grant / award | 47,500 | $0.00 | 168,024 |
| 2015-02-23 | Option exercise (derivative) | 4,000 | $63.58 | 6,000 |
| 2015-02-23 | Open-market sale | 4,000 | $63.58 | 120,524 |
| 2015-02-23 | Option exercise | 4,000 | $6.03 | 124,524 |
| 2015-01-23 | Option exercise (derivative) | 4,000 | $58.22 | 10,000 |
| 2015-01-23 | Option exercise | 4,000 | $6.03 | 123,950 |
| 2015-01-23 | Open-market sale | 4,000 | $58.22 | 119,950 |
| 2014-12-23 | Option exercise (derivative) | 4,000 | $54.69 | 14,000 |
| 2014-12-23 | Open-market sale | 4,000 | $54.69 | 119,950 |
| 2014-12-23 | Option exercise | 4,000 | $6.03 | 123,950 |
| 2014-11-24 | Option exercise (derivative) | 4,000 | $50.36 | 18,000 |
| 2014-11-24 | Option exercise | 4,000 | $6.03 | 123,950 |
| 2014-11-24 | Open-market sale | 4,000 | $50.36 | 119,950 |
| 2014-11-24 | Option exercise (derivative) | 4,000 | $50.36 | 18,000 |
| 2014-11-24 | Open-market sale | 4,000 | $50.36 | 119,950 |
| 2014-11-24 | Option exercise | 4,000 | $6.03 | 123,950 |
| 2014-10-23 | Option exercise (derivative) | 4,000 | $43.58 | 22,000 |
| 2014-10-23 | Open-market sale | 4,000 | $43.58 | 119,950 |
| 2014-10-23 | Option exercise | 4,000 | $6.03 | 123,950 |
| 2014-09-23 | Option exercise (derivative) | 4,000 | $40.32 | 26,000 |
| 2014-09-23 | Open-market sale | 4,000 | $40.32 | 119,950 |
| 2014-09-23 | Option exercise | 4,000 | $6.03 | 123,950 |
| 2014-09-12 | Disposition to issuer | 4,404 | $43.36 | 119,950 |
| 2014-09-10 | Disposition to issuer | 2,228 | $43.23 | 124,354 |
| 2014-08-25 | Option exercise (derivative) | 4,000 | $44.35 | 30,000 |
| 2014-08-25 | Option exercise | 4,000 | $6.03 | 130,582 |
| 2014-08-25 | Open-market sale | 4,000 | $44.35 | 126,582 |
| 2014-08-19 | Option exercise (derivative) | 20,000 | $45.01 | 18,488 |
| 2014-08-19 | Option exercise | 20,000 | $9.80 | 146,582 |
| 2014-08-19 | Open-market sale | 20,000 | $45.01 | 126,582 |
| 2014-07-23 | Option exercise (derivative) | 249 | $38.16 | 0 |
| 2014-07-23 | Option exercise (derivative) | 3,751 | $38.16 | 34,000 |
| 2014-07-23 | Option exercise | 3,751 | $6.03 | 129,887 |
| 2014-07-23 | Open-market sale | 3,751 | $38.16 | 126,136 |
| 2014-07-23 | Option exercise | 249 | $6.03 | 126,385 |
| 2014-06-23 | Option exercise (derivative) | 4,000 | $40.98 | 249 |
| 2014-06-23 | Option exercise | 4,000 | $6.03 | 130,136 |
| 2014-06-23 | Open-market sale | 4,000 | $40.98 | 126,136 |
| 2014-06-05 | Option exercise (derivative) | 4,000 | $35.59 | 4,249 |
| 2014-06-05 | Option exercise | 4,000 | $6.03 | 130,136 |
| 2014-06-05 | Open-market sale | 4,000 | $35.59 | 126,136 |
| 2014-06-02 | Disposition to issuer | 2,637 | $33.64 | 126,136 |
| 2014-05-23 | Open-market sale | 18,750 | $32.89 | 128,773 |
| 2014-04-23 | Option exercise (derivative) | 4,000 | $35.92 | 8,249 |
| 2014-04-23 | Option exercise | 4,000 | $6.03 | 151,523 |
| 2014-04-23 | Open-market sale | 4,000 | $35.92 | 147,523 |
| 2014-03-11 | Disposition to issuer | 2,694 | $46.10 | 152,443 |
| 2014-03-11 | Option exercise (derivative) | 50,000 | $46.42 | 12,249 |
| 2014-03-11 | Disposition to issuer | 5,923 | $45.22 | 146,520 |
| 2014-03-11 | Open-market sale | 50,000 | $46.42 | 152,443 |
| 2014-03-11 | Option exercise | 50,000 | $6.03 | 202,443 |
| 2014-03-08 | Grant / award | 50,000 | $0.00 | 155,137 |
| 2013-09-09 | Disposition to issuer | 2,663 | $26.89 | 105,137 |
| 2013-05-31 | Grant / award | 15,000 | $0.00 | 106,973 |
| 2013-05-09 | Open-market sale | 692 | $19.55 | 92,553 |
| 2013-05-09 | Open-market sale | 580 | $19.56 | 91,973 |
| 2013-03-13 | Disposition to issuer | 4,067 | $15.69 | 93,245 |
| 2013-03-11 | Open-market sale | 5,100 | $15.63 | 97,312 |
| 2013-03-11 | Grant / award | 50,000 | $0.00 | 102,412 |
| 2012-09-10 | Disposition to issuer | 1,302 | $13.68 | 51,430 |
| 2012-03-08 | Disposition to issuer | 2,777 | $10.26 | 52,040 |
| 2012-03-08 | Grant / award | 25,625 | $0.00 | 54,817 |
| 2011-03-08 | Grant / award | 25,625 | $0.00 | 27,675 |
| 2010-03-12 | Grant / award (derivative) | 38,488 | — | 38,488 |
| 2010-03-12 | Grant / award (derivative) | 2,512 | — | 2,512 |
| 2009-06-22 | Grant / award (derivative) | 62,249 | — | 62,249 |
| 2009-06-22 | Grant / award (derivative) | 37,751 | — | 37,751 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.