DXCM Dexcom
Nasdaq · SEC CIK 1093557 · EDGAR
- Bought, last 12 months
- $1.00M 1 purchases by 1 insiders
- Sold, last 12 months
- $12.40M 23 sales by 9 insiders
- Filings on record
- 365 since 2021-07-08, latest 2026-09-16 16:26
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| SAYER KEVIN R | Executive COB, Dir | — | $8.30M |
| Leach Jacob Steven | Pres, COO | $1.00M | — |
| Brown Michael Jon | EVP, CLO | — | $873.4K |
| Coleman Jon | EVP, Chief Commercial Off | — | $722.6K |
| AUGUSTINOS NICHOLAS | Dir | — | $679.8K |
| FOLETTA MARK G | Dir | — | $627.2K |
| Collins Richard Alexander | Dir | — | $389.4K |
| Sylvain Jereme M | EVP, Chief Financal Off | — | $302.9K |
| Heller Bridgette P | Dir | — | $277.7K |
| Stern Sadie | EVP, Chief HR Off | — | $226.7K |
Transactions 461
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MTI | 2026-09-16 16:26 | 2026-09-14+ | DXCM | AUGUSTINOS NICHOLAS | Dir | S - Sale | $84.04 | -8,089 | 29.3K | -22% | -$679.8K |
| T | 2026-09-16 16:25 | 2026-09-15 | DXCM | Brown Michael Jon | EVP Chief Legal Compliance Off | S - Sale | $84.04 | -1,700 | 99.9K | -2% | -$142.9K |
| T | 2026-09-14 16:02 | 2026-09-10 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | S - Sale | $83.27 | -3,638 | 146.8K | -2% | -$302.9K |
| 2026-09-10 16:40 | 2026-09-10 | DXCM | Boehnlein Glenn S | Dir | A - Grant | $0.00 | +5,841 | 5,841 | New | $0 | |
| T | 2026-08-28 16:57 | 2026-08-27 | DXCM | Stern Sadie | EVP Chief People, Culture Off | S - Sale | $88.37 | -2,565 | 126.0K | -2% | -$226.7K |
| 2026-08-25 16:14 | 2026-08-22 | DXCM | Leach Jacob Steven | Pres, CEO, Dir | F - Tax | $92.34 | -1,451 | 418.9K | -0.3% | -$134.0K | |
| 2026-08-25 16:14 | 2026-08-22 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | F - Tax | $92.34 | -1,451 | 150.4K | -1.0% | -$134.0K | |
| 2026-08-25 16:14 | 2026-08-22 | DXCM | Brown Michael Jon | EVP Chief Legal Compliance Off | F - Tax | $92.34 | -1,451 | 101.5K | -1% | -$134.0K | |
| 2026-08-25 16:14 | 2026-08-22 | DXCM | Stern Sadie | EVP Chief People, Culture Off | F - Tax | $92.34 | -1,451 | 128.6K | -1% | -$134.0K | |
| MT | 2026-08-24 16:01 | 2026-08-20 | DXCM | SAYER KEVIN R | Executive COB, Dir | S - Sale | $90.01 | -26.8K | 302.2K | -8% | -$2.41M |
| T | 2026-08-17 16:08 | 2026-08-14 | DXCM | Brown Michael Jon | EVP Chief Legal Compliance Off | S - Sale | $91.93 | -1,700 | 103.0K | -2% | -$156.3K |
| I | 2026-08-13 18:38 | 2026-08-12 | DXCM | AUGUSTINOS NICHOLAS | Dir | G - Gift | $0.00 | -1,075 | 37.4K | -3% | $0 |
| T | 2026-08-13 16:04 | 2026-08-12 | DXCM | Heller Bridgette P | Dir | S - Sale | $88.29 | -1,012 | 29.6K | -3% | -$89.3K |
| MTI | 2026-08-04 16:38 | 2026-07-31+ | DXCM | FOLETTA MARK G | Dir | S - Sale | $82.66 | -4,000 | 48.9K | -8% | -$330.6K |
| T | 2026-07-21 16:58 | 2026-07-20 | DXCM | SAYER KEVIN R | Executive COB, Dir | S - Sale | $76.32 | -26.8K | 329.0K | -8% | -$2.04M |
| T | 2026-07-16 17:06 | 2026-07-15 | DXCM | Brown Michael Jon | EVP Chief Legal Compliance Off | S - Sale | $74.42 | -1,700 | 104.7K | -2% | -$126.5K |
| T | 2026-07-07 16:09 | 2026-07-06 | DXCM | SAYER KEVIN R | Executive COB, Dir | S - Sale | $72.00 | -26.8K | 355.7K | -7% | -$1.93M |
| T | 2026-06-17 16:32 | 2026-06-15 | DXCM | Brown Michael Jon | EVP Chief Legal Compliance Off | S - Sale | $75.55 | -1,700 | 106.4K | -2% | -$128.4K |
| MTI | 2026-06-17 16:32 | 2026-06-15 | DXCM | FOLETTA MARK G | Dir | S - Sale | $74.13 | -4,000 | 52.9K | -7% | -$296.5K |
| MT | 2026-06-05 16:17 | 2026-06-03+ | DXCM | Coleman Jon | EVP, Chief Commercial Off | S - Sale | $73.56 | -9,823 | 95.5K | -9% | -$722.6K |
| 2026-06-01 17:35 | 2026-05-28 | DXCM | ALTMAN STEVEN R | Dir | A - Grant | $0.00 | +5,565 | 5,565 | New | $0 | |
| 2026-06-01 17:35 | 2026-05-28 | DXCM | Malady Kyle | Dir | A - Grant | $0.00 | +5,575 | 28.2K | +25% | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | AUGUSTINOS NICHOLAS | Dir | A - Grant | $0.00 | +5,575 | 5,575 | New | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | FOLETTA MARK G | Dir | A - Grant | $0.00 | +6,331 | 6,331 | New | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | Heller Bridgette P | Dir | A - Grant | $0.00 | +5,575 | 30.6K | +22% | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | Osterloh Albert Frederick IV | Dir | A - Grant | $0.00 | +1,630 | 8,691 | +23% | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | Driscoll Rimma | Dir | A - Grant | $0.00 | +5,605 | 17.3K | +48% | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | Ashley Euan A. | Dir | A - Grant | $0.00 | +5,565 | 12.7K | +78% | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | Collins Richard Alexander | Dir | A - Grant | $0.00 | +5,605 | 5,605 | New | $0 | |
| 2026-06-01 17:34 | 2026-05-28 | DXCM | GALA RENEE D | Dir | A - Grant | $0.00 | +5,605 | 12.5K | +81% | $0 | |
| 2026-05-27 16:39 | 2026-05-22 | DXCM | Leach Jacob Steven | Pres, CEO, Dir | F - Tax | $71.90 | -1,451 | 420.4K | -0.3% | -$104.3K | |
| 2026-05-27 16:39 | 2026-05-22 | DXCM | Brown Michael Jon | EVP Chief Legal Compliance Off | F - Tax | $71.90 | -1,451 | 108.1K | -1% | -$104.3K | |
| 2026-05-27 16:39 | 2026-05-22 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | F - Tax | $71.90 | -1,451 | 151.8K | -0.9% | -$104.3K | |
| 2026-05-27 16:39 | 2026-05-22 | DXCM | Stern Sadie | EVP Chief People, Culture Off | F - Tax | $71.90 | -1,451 | 130.1K | -1% | -$104.3K | |
| 2026-05-27 16:38 | 2026-05-22 | DXCM | Coleman Jon | EVP, Chief Commercial Off | F - Tax | $71.90 | -7,362 | 105.3K | -7% | -$529.3K | |
| T | 2026-05-26 16:18 | 2026-05-21 | DXCM | SAYER KEVIN R | Executive COB, Dir | S - Sale | $72.00 | -26.8K | 382.5K | -7% | -$1.93M |
| T | 2026-05-19 16:34 | 2026-05-15 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $59.91 | -1,700 | 109.5K | -2% | -$101.8K |
| T | 2026-05-14 16:39 | 2026-05-12 | DXCM | Heller Bridgette P | Dir | S - Sale | $60.01 | -1,012 | 25.0K | -4% | -$60.7K |
| 2026-05-11 19:13 | 2026-05-08 | DXCM | AUGUSTINOS NICHOLAS | Dir | G - Gift | $0.00 | -5,046 | 0 | -100% | $0 | |
| I | 2026-05-11 19:13 | 2026-05-08 | DXCM | AUGUSTINOS NICHOLAS | Dir | G - Gift | $0.00 | +5,046 | 38.5K | +15% | $0 |
| 2026-05-11 19:13 | 2026-05-08 | DXCM | Collins Richard Alexander | Dir | G - Gift | $0.00 | -5,074 | 0 | -100% | $0 | |
| I | 2026-05-11 19:13 | 2026-05-08 | DXCM | Collins Richard Alexander | Dir | G - Gift | $0.00 | +5,074 | 40.2K | +14% | $0 |
| 2026-05-11 19:13 | 2026-05-08 | DXCM | FOLETTA MARK G | Dir | G - Gift | $0.00 | -5,731 | 0 | -100% | $0 | |
| I | 2026-05-11 19:13 | 2026-05-08 | DXCM | FOLETTA MARK G | Dir | G - Gift | $0.00 | +5,731 | 56.9K | +11% | $0 |
| 2026-05-11 19:13 | 2026-05-08 | DXCM | ALTMAN STEVEN R | Dir | G - Gift | $0.00 | -5,037 | 0 | -100% | $0 | |
| I | 2026-05-11 19:13 | 2026-05-08 | DXCM | ALTMAN STEVEN R | Dir | G - Gift | $0.00 | +5,037 | 63.7K | +9% | $0 |
| T | 2026-04-16 19:27 | 2026-04-15 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $63.04 | -1,700 | 111.2K | -2% | -$107.2K |
| 2026-03-18 | 2026-03-16 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $64.85 | -1,700 | 112.9K | -1% | -$110.2K | |
| 2026-03-10 | 2026-03-08 | DXCM | SAYER KEVIN R | Executive COB, Dir | F - Tax | $68.10 | -32.5K | 409.2K | -7% | -$2.21M | |
| 2026-03-10 | 2026-03-08 | DXCM | SAYER KEVIN R | Executive COB, Dir | A - Grant | $0.00 | +32.7K | 441.7K | +8% | $0 | |
| 2026-03-10 | 2026-03-08 | DXCM | Leach Jacob Steven | Pres, CEO, Dir | F - Tax | $68.10 | -19.8K | 421.8K | -4% | -$1.35M | |
| 2026-03-10 | 2026-03-08 | DXCM | Leach Jacob Steven | Pres, CEO, Dir | A - Grant | $0.00 | +104.5K | 441.6K | +31% | $0 | |
| 2026-03-10 | 2026-03-08 | DXCM | Coleman Jon | EVP, Chief Commercial Off | A - Grant | $0.00 | +43.9K | 112.6K | +64% | $0 | |
| 2026-03-10 | 2026-03-08 | DXCM | Brown Michael Jon | EVP, CLO | A - Grant | $0.00 | +39.0K | 137.9K | +39% | $0 | |
| 2026-03-10 | 2026-03-08 | DXCM | Brown Michael Jon | EVP, CLO | F - Tax | $68.10 | -23.3K | 114.6K | -17% | -$1.59M | |
| 2026-03-10 | 2026-03-08 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | A - Grant | $0.00 | +48.8K | 172.2K | +40% | $0 | |
| 2026-03-10 | 2026-03-08 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | F - Tax | $68.10 | -18.9K | 153.3K | -11% | -$1.29M | |
| 2026-03-10 | 2026-03-08 | DXCM | Stern Sadie | EVP, Chief HR Off | F - Tax | $68.10 | -17.2K | 131.5K | -12% | -$1.17M | |
| 2026-03-10 | 2026-03-08 | DXCM | Stern Sadie | EVP, Chief HR Off | A - Grant | $0.00 | +39.0K | 148.7K | +36% | $0 | |
| 2026-02-26 | 2026-02-26 | DXCM | Osterloh Albert Frederick IV | Dir | A - Grant | $0.00 | +7,061 | 7,061 | New | $0 | |
| 2026-02-17 | 2026-02-12 | DXCM | Heller Bridgette P | Dir | S - Sale | $68.01 | -1,012 | 26.0K | -4% | -$68.8K | |
| 2026-02-02 | 2026-01-29 | DXCM | Leach Jacob Steven | Pres, CEO, Dir | F - Tax | $73.36 | -3,058 | 337.1K | -0.9% | -$224.3K | |
| 2026-02-02 | 2026-01-29 | DXCM | Leach Jacob Steven | Pres, CEO, Dir | A - Grant | $0.00 | +8,310 | 340.1K | +3% | $0 | |
| 2026-02-02 | 2026-01-29 | DXCM | Stern Sadie | EVP, Chief HR Off | F - Tax | $73.36 | -2,656 | 109.7K | -2% | -$194.8K | |
| 2026-02-02 | 2026-01-29 | DXCM | Stern Sadie | EVP, Chief HR Off | A - Grant | $0.00 | +7,123 | 112.3K | +7% | $0 | |
| 2026-02-02 | 2026-01-29 | DXCM | Brown Michael Jon | EVP, CLO | A - Grant | $0.00 | +7,123 | 101.3K | +8% | $0 | |
| 2026-02-02 | 2026-01-29 | DXCM | Brown Michael Jon | EVP, CLO | F - Tax | $73.36 | -2,653 | 98.7K | -3% | -$194.6K | |
| 2026-02-02 | 2026-01-29 | DXCM | SAYER KEVIN R | Executive COB, Dir | A - Grant | $0.00 | +71.2K | 443.2K | +19% | $0 | |
| 2026-02-02 | 2026-01-29 | DXCM | SAYER KEVIN R | Executive COB, Dir | F - Tax | $73.36 | -34.3K | 409.0K | -8% | -$2.51M | |
| 2026-02-02 | 2026-01-29 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | A - Grant | $0.00 | +7,123 | 125.9K | +6% | $0 | |
| 2026-02-02 | 2026-01-29 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | F - Tax | $73.36 | -2,652 | 123.2K | -2% | -$194.6K | |
| I | 2025-11-17 | 2025-11-14 | DXCM | Collins Richard Alexander | Dir | S - Sale | $59.05 | -2,906 | 35.1K | -8% | -$171.6K |
| 2025-11-12 | 2025-11-12 | DXCM | Heller Bridgette P | Dir | S - Sale | $58.07 | -1,012 | 27.0K | -4% | -$58.8K | |
| I | 2025-11-10 | 2025-11-10 | DXCM | Collins Richard Alexander | Dir | S - Sale | $55.17 | -3,948 | 38.0K | -9% | -$217.8K |
| M | 2025-11-10 | 2025-11-10 | DXCM | Leach Jacob Steven | Pres, COO | P - Purchase | $55.04 | +18.2K | 329.2K | +6% | +$1.00M |
| 2025-10-28 | 2025-10-24 | DXCM | Ashley Euan A. | Dir | A - Grant | $0.00 | +7,166 | 7,166 | New | $0 | |
| 2025-09-09 | 2025-09-05 | DXCM | Malady Kyle | Dir | S - Sale | $80.86 | -667 | 22.7K | -3% | -$53.9K | |
| 2025-09-08 | 2025-09-04 | DXCM | Stern Sadie | EVP, Chief HR Off | S - Sale | $80.00 | -1,466 | 105.2K | -1% | -$117.3K | |
| 2025-09-04 | 2025-09-02 | DXCM | Sylvain Jereme M | EVP, Chief Financal Off | S - Sale | $74.17 | -4,824 | 118.7K | -4% | -$357.8K | |
| MI | 2025-08-18 | 2025-08-15 | DXCM | FOLETTA MARK G | Dir | S - Sale | $81.06 | -2,750 | 51.3K | -5% | -$222.9K |
| 2025-08-18 | 2025-08-15 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $80.29 | -500 | 94.1K | -0.5% | -$40.1K | |
| 2025-07-29 | 2025-07-28 | DXCM | Stern Sadie | EVP, Chief HR Off | S - Sale | $88.99 | -1,466 | 106.7K | -1% | -$130.5K | |
| MI | 2025-07-17 | 2025-07-15 | DXCM | FOLETTA MARK G | Dir | S - Sale | $85.17 | -2,750 | 53.9K | -5% | -$234.2K |
| 2025-07-17 | 2025-07-15 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $86.03 | -500 | 94.6K | -0.5% | -$43.0K | |
| A | 2025-07-07 | 2025-05-08 | DXCM | GALA RENEE D | Dir | A - Grant | $0.00 | +1,161 | 6,881 | +20% | $0 |
| 2025-06-30 | 2025-06-26 | DXCM | Stern Sadie | EVP, Chief HR Off | S - Sale | $85.06 | -1,466 | 108.2K | -1% | -$124.7K | |
| 2025-06-18 | 2025-06-16 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $82.80 | -500 | 95.1K | -0.5% | -$41.4K | |
| I | 2025-06-18 | 2025-06-16 | DXCM | FOLETTA MARK G | Dir | S - Sale | $83.13 | -2,750 | 56.6K | -5% | -$228.6K |
| MI | 2025-06-17 | 2025-06-13+ | DXCM | AUGUSTINOS NICHOLAS | Dir | S - Sale | $82.34 | -6,290 | 33.4K | -16% | -$517.9K |
| 2025-05-28 | 2025-05-23 | DXCM | Brown Michael Jon | EVP, CLO | S - Sale | $84.28 | -10.0K | 95.6K | -9% | -$842.8K | |
| 2025-05-28 | 2025-05-27 | DXCM | Stern Sadie | EVP, Chief HR Off | S - Sale | $85.11 | -6,184 | 109.6K | -5% | -$526.3K | |
| 2025-05-27 | 2025-05-22 | DXCM | Coleman Jon | EVP, Chief Commercial Off | A - Grant | $0.00 | +68.7K | 68.7K | New | $0 | |
| 2025-05-12 | 2025-05-08 | DXCM | GALA RENEE D | Dir | A - Grant | $0.00 | +5,074 | 10.8K | +89% | $0 | |
| 2025-05-12 | 2025-05-08 | DXCM | Malady Kyle | Dir | A - Grant | $0.00 | +5,192 | 23.3K | +29% | $0 | |
| I | 2025-05-12 | 2025-05-08 | DXCM | AUGUSTINOS NICHOLAS | Dir | G - Gift | $0.00 | +2,618 | 39.7K | +7% | $0 |
| 2025-05-12 | 2025-05-08 | DXCM | AUGUSTINOS NICHOLAS | Dir | A - Grant | $0.00 | +5,046 | 5,046 | New | $0 | |
| 2025-05-12 | 2025-05-08 | DXCM | AUGUSTINOS NICHOLAS | Dir | G - Gift | $0.00 | -2,618 | 0 | -100% | $0 | |
| 2025-05-12 | 2025-05-08 | DXCM | TOPOL ERIC | Dir | G - Gift | $0.00 | -2,618 | 0 | -100% | $0 | |
| I | 2025-05-12 | 2025-05-08 | DXCM | TOPOL ERIC | Dir | G - Gift | $0.00 | +2,618 | 380.5K | +0.7% | $0 |
| I | 2025-05-12 | 2025-05-08 | DXCM | Collins Richard Alexander | Dir | G - Gift | $0.00 | +2,632 | 41.9K | +7% | $0 |
Purchase Sale Sale after option exercise All abbreviations