X0306 4 2019-05-10 0 0001093557 DEXCOM INC DXCM 0001692785 Murphy Patrick Michael 6340 SEQUENCE DRIVE SAN DIEGO CA 92121 0 1 0 0 SVP Legal Affairs Common Stock 2019-05-10 4 S 0 400 116.92 D 35860 D On June 15, 2018, Mr. Murphy adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Murphy. The shares set forth above were sold pursuant to the 10b5-1 Plan. Included in this number are 26,711 unvested restricted stock units, 11,714 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 11,210 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 3,787 of which were granted on March 8, 2017 and shall vest through March 8, 2020. By: Jereme Sylvain For: Patrick M. Murphy 2019-05-13