| 2022-02-10 | KAHN BARBARA | Director | Sell | 600 | $445.95 | $267,568.00 | -3.3% | → |
| 2022-01-24 | Pacelli Steven Robert | Managing Dir., Dexcom Ventures | Sell | 250 | $416.77 | $104,192.50 | -0.7% | → |
| 2022-01-18 | SAYER KEVIN R | Chairman, CEO & President | Sell | 22,674 | $435.56 | $9,875,800.44 | -11.4% | → |
| 2021-12-23 | Pacelli Steven Robert | Managing Dir., Dexcom Ventures | Sell | 250 | $573.91 | $143,477.50 | -0.7% | → |
| 2021-12-15 | SAYER KEVIN R | Chairman, CEO & President | Sell | 3,000 | $535.97 | $1,607,898.87 | -0.3% | → |
| 2021-12-13 | Regan Barry J. | EVP Operations | Sell | 1,214 | $563.93 | $684,611.02 | -9.6% | → |
| 2021-12-06 | Sylvain Jereme M | EVP, Chief Financial Officer | Sell | 600 | $517.59 | $310,554.00 | -4.7% | → |
| 2021-12-01 | FOLETTA MARK G | Director | Sell | 500 | $562.83 | $281,415.78 | -0.5% | → |
| 2021-11-23 | Pacelli Steven Robert | Managing Dir., Dexcom Ventures | Sell | 250 | $612.26 | $153,065.00 | -0.6% | → |
| 2021-11-23 | Stern Sadie | EVP Chief Human Resources Off | Sell | 2,051 | $623.27 | $1,278,335.10 | -7.6% | → |
| 2021-11-22 | Regan Barry J. | EVP Operations | Sell | 837 | $638.65 | $534,550.05 | -6.2% | → |
| 2021-11-15 | SAYER KEVIN R | Chairman, CEO & President | Sell | 3,000 | $647.84 | $1,943,515.41 | -0.5% | → |
| 2021-11-03 | Collins Richard Alexander | Director | Sell | 1,500 | $647.05 | $970,575.00 | -17.2% | → |
| 2021-11-01 | FOLETTA MARK G | Director | Sell | 333 | $625.94 | $208,438.07 | -0.4% | → |