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This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":34784,"source":{"system":"sec-edgar","filing":"0001093557-20-000252","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000252/edgardoc.xml","form_type":"4"}},{"id":3033534,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-09-11T22:58:33.000Z","date":"2020-09-09","kind":"disposition_to_issuer","acquired":false,"shares":1003,"price":398.302,"value":399496.906,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":37361,"source":{"system":"sec-edgar","filing":"0001093557-20-000252","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000252/edgardoc.xml","form_type":"4"}},{"id":3033533,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-09-11T22:58:33.000Z","date":"2020-09-09","kind":"other","acquired":true,"shares":6967,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":38364,"source":{"system":"sec-edgar","filing":"0001093557-20-000252","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000252/edgardoc.xml","form_type":"4"}},{"id":3033532,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-09-11T22:58:33.000Z","date":"2020-09-09","kind":"other","acquired":false,"shares":6967,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 19,684 unvested restricted stock units, 8,811 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 5,857 of which were granted on March 8, 2019 and shall vest through March 8, 2022, and 5,016 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":19684,"source":{"system":"sec-edgar","filing":"0001093557-20-000252","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000252/edgardoc.xml","form_type":"4"}},{"id":3211715,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-14T01:17:22.000Z","date":"2020-03-11","kind":"sale","acquired":false,"shares":5956,"price":265.426,"value":1580877.256,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":31397,"source":{"system":"sec-edgar","filing":"0001093557-20-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000095/edgardoc.xml","form_type":"4"}},{"id":3211714,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-14T01:17:22.000Z","date":"2020-03-11","kind":"sale","acquired":false,"shares":166,"price":250.1908,"value":41531.6728,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from $250.12 to $250.23.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":37353,"source":{"system":"sec-edgar","filing":"0001093557-20-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000095/edgardoc.xml","form_type":"4"}},{"id":3211713,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-14T01:17:22.000Z","date":"2020-03-11","kind":"sale","acquired":false,"shares":81,"price":245.4371,"value":19880.4051,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $245.38 to $246.35.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":37519,"source":{"system":"sec-edgar","filing":"0001093557-20-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000095/edgardoc.xml","form_type":"4"}},{"id":3211712,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-14T01:17:22.000Z","date":"2020-03-11","kind":"other","acquired":true,"shares":12568,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":37600,"source":{"system":"sec-edgar","filing":"0001093557-20-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000095/edgardoc.xml","form_type":"4"}},{"id":3211711,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-14T01:17:22.000Z","date":"2020-03-11","kind":"other","acquired":false,"shares":12568,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 26,651 unvested restricted stock units, 8,811 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 7,809 of which were granted on March 8, 2019 and shall vest through March 8, 2022, and 10,031 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":26651,"source":{"system":"sec-edgar","filing":"0001093557-20-000095","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000095/edgardoc.xml","form_type":"4"}},{"id":3218613,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-10T23:17:11.000Z","date":"2020-03-08","kind":"grant","acquired":true,"shares":8811,"price":0.001,"value":8.811,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units that are exempt from Section 16 b-3 and are subject to vesting in three equal annual installments from the date of grant.  Share units represent a contingent right to receive one share of DexCom, Inc. Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 26,651 unvested restricted stock units, 8,811 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 7,809 of which were granted on March 8, 2019 and shall vest through March 8, 2022, and 10,031 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":39219,"source":{"system":"sec-edgar","filing":"0001093557-20-000060","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000060/edgardoc.xml","form_type":"4"}},{"id":3234297,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-03-04T01:15:14.000Z","date":"2020-03-02","kind":"sale","acquired":false,"shares":362,"price":278.1,"value":100672.2,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Total amount includes transferred shares acquired under the 423 Qualified ESPP Purchase on 2/28/2020."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":25032,"source":{"system":"sec-edgar","filing":"0001093557-20-000043","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000043/edgardoc.xml","form_type":"4"}},{"id":3260344,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":100,"price":290.98,"value":29098.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":25220,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260343,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":200,"price":289.84,"value":57968.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":25320,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260342,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":2795,"price":288.9863,"value":807716.7085,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"This transaction was executed in multiple trades at prices ranging from $288.71 to $289.70.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":25520,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260341,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":400,"price":287.4125,"value":114965.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"This transaction was executed in multiple trades at prices ranging from $287.39 to $287.42.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":28315,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260340,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":800,"price":286.545,"value":229236.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"This transaction was executed in multiple trades at prices ranging from $286.03 to $287.00.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":28715,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260339,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":1694,"price":284.2265,"value":481479.691,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from $283.99 to $284.44.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":29515,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260338,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2020-02-18","kind":"sale","acquired":false,"shares":610,"price":283.369,"value":172855.09,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On November 20, 2019, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from  $282.99 to $283.81.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":31209,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260337,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2019-09-11","kind":"other","acquired":true,"shares":4461,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":31819,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3260336,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Operations"}}],"security":"Common Stock","published_at":"2020-02-20T23:23:10.000Z","date":"2019-09-11","kind":"other","acquired":false,"shares":4461,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 30,408 unvested restricted stock units, 11,714 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 15,047 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 3,647 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":30408,"source":{"system":"sec-edgar","filing":"0001093557-20-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000037/edgardoc.xml","form_type":"4"}},{"id":3417907,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Operations"}}],"security":"Common Stock","published_at":"2019-09-12T01:45:31.000Z","date":"2019-09-09","kind":"sale","acquired":false,"shares":4351,"price":150.1111,"value":653133.3961,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 30,408 unvested restricted stock units, 11,714 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 15,047 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 3,647 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":34869,"source":{"system":"sec-edgar","filing":"0001093557-19-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000201/edgardoc.xml","form_type":"4"}},{"id":3417906,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Operations"}}],"security":"Common Stock","published_at":"2019-09-12T01:45:31.000Z","date":"2019-09-09","kind":"sale","acquired":false,"shares":250,"price":145.3652,"value":36341.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from  $145.11 to $145.38.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 30,408 unvested restricted stock units, 11,714 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 15,047 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 3,647 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":39220,"source":{"system":"sec-edgar","filing":"0001093557-19-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000201/edgardoc.xml","form_type":"4"}},{"id":3598050,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Operations"}}],"security":"Common Stock","published_at":"2019-03-13T23:01:02.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":1594,"price":142.7922,"value":227610.7668,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":27358,"source":{"system":"sec-edgar","filing":"0001093557-19-000082","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000082/edgardoc.xml","form_type":"4"}},{"id":3598049,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Operations"}}],"security":"Common Stock","published_at":"2019-03-13T23:01:02.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":5001,"price":142.7922,"value":714103.7922,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":28952,"source":{"system":"sec-edgar","filing":"0001093557-19-000082","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000082/edgardoc.xml","form_type":"4"}},{"id":3598048,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Operations"}}],"security":"Common Stock","published_at":"2019-03-13T23:01:02.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":1936,"price":142.7922,"value":276445.6992,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a 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Share units represent a contingent right to receive one share of DexCom, Inc. common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 39,070 unvested restricted stock units, 11,714 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 20,062 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 7,294 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":58610,"source":{"system":"sec-edgar","filing":"0001093557-19-000049","document":"wf-form4_155235045068337.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000049/wf-form4_155235045068337.xml","form_type":"4"}},{"id":3818764,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-09-13T01:22:28.000Z","date":"2018-09-10","kind":"sale","acquired":false,"shares":5736,"price":143.35,"value":822255.6,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"On May 29, 2018, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":16711,"source":{"system":"sec-edgar","filing":"0001093557-18-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000201/edgardoc.xml","form_type":"4"}},{"id":3818763,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-09-13T01:22:28.000Z","date":"2018-09-10","kind":"other","acquired":true,"shares":17386,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":22447,"source":{"system":"sec-edgar","filing":"0001093557-18-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000201/edgardoc.xml","form_type":"4"}},{"id":3818762,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-09-13T01:22:28.000Z","date":"2018-09-10","kind":"other","acquired":false,"shares":17386,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares were transferred from direct ownership to ownership under the Moy Family Trust upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 46,534 unvested restricted stock units, 30,093 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 10,941 of which were granted on March 8, 2017 and shall vest through March 8, 2020 and 5,500 of which were granted on March 8, 2016 and shall vest through March 8, 2019."}],"balance_after":46534,"source":{"system":"sec-edgar","filing":"0001093557-18-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000201/edgardoc.xml","form_type":"4"}},{"id":3818761,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-09-13T01:22:28.000Z","date":"2018-09-10","kind":"sale","acquired":false,"shares":2762,"price":143.7552,"value":397051.8624,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 46,534 unvested restricted stock units, 30,093 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 10,941 of which were granted on March 8, 2017 and shall vest through March 8, 2020 and 5,500 of which were granted on March 8, 2016 and shall vest through March 8, 2019."}],"balance_after":63920,"source":{"system":"sec-edgar","filing":"0001093557-18-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000201/edgardoc.xml","form_type":"4"}},{"id":3818760,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-09-13T01:22:28.000Z","date":"2018-09-10","kind":"sale","acquired":false,"shares":1832,"price":143.7552,"value":263359.5264,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary trade by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 46,534 unvested restricted stock units, 30,093 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 10,941 of which were granted on March 8, 2017 and shall vest through March 8, 2020 and 5,500 of which were granted on March 8, 2016 and shall vest through March 8, 2019."}],"balance_after":66682,"source":{"system":"sec-edgar","filing":"0001093557-18-000201","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000201/edgardoc.xml","form_type":"4"}},{"id":3853778,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-08-03T20:50:44.000Z","date":"2018-08-01","kind":"sale","acquired":false,"shares":5831,"price":94.13,"value":548872.03,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 29, 2018, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":5061,"source":{"system":"sec-edgar","filing":"0001093557-18-000161","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000161/edgardoc.xml","form_type":"4"}},{"id":3879298,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-07-03T00:51:47.000Z","date":"2018-06-28","kind":"sale","acquired":false,"shares":23767,"price":93.1103,"value":2212952.5001,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 29, 2018, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $92.83 to $93.34.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":10892,"source":{"system":"sec-edgar","filing":"0001093557-18-000143","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000143/edgardoc.xml","form_type":"4"}},{"id":3879297,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-07-03T00:51:47.000Z","date":"2018-06-28","kind":"sale","acquired":false,"shares":26205,"price":92.2626,"value":2417741.433,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 29, 2018, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $91.78 to $92.76.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":34659,"source":{"system":"sec-edgar","filing":"0001093557-18-000143","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000143/edgardoc.xml","form_type":"4"}},{"id":3879296,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-07-03T00:51:47.000Z","date":"2018-06-28","kind":"sale","acquired":false,"shares":9221,"price":91.4872,"value":843603.4712,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 29, 2018, Mr. Moy adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Moy.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from  $90.78 to $91.77.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":60864,"source":{"system":"sec-edgar","filing":"0001093557-18-000143","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000143/edgardoc.xml","form_type":"4"}},{"id":3897313,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common Stock","published_at":"2018-06-13T00:41:10.000Z","date":"2018-06-08","kind":"gift","acquired":false,"shares":315,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction represents a gift of securities made by the reporting person. This is not a market transaction, thus no price has been reported. Transferor retains no beneficial or voting interest in the transferred shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Shares are held by the Moy Family Trust U/A/D 12/09/2013, with respect to which the reporting person is a trustee."}],"balance_after":70085,"source":{"system":"sec-edgar","filing":"0001093557-18-000121","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000121/edgardoc.xml","form_type":"4"}},{"id":3996866,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY JEFFREY","position":1,"cik":"0001446422","reported_name":"MOY JEFFREY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Operations"}}],"security":"Common 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Share units represent a contingent right to receive one share of DexCom, Inc. common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 55,681 unvested restricted stock units, 30,093 of which were granted on March 8, 2018 and shall vest through March 8, 2021, 14,588 of which were granted on March 8, 2017 and shall vest through March 8, 2020 and 11,000 of which were granted on March 8, 2016 and shall vest through March 8, 2019."}],"balance_after":75834,"source":{"system":"sec-edgar","filing":"0001093557-18-000042","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000042/edgardoc.xml","form_type":"4"}},{"id":4210746,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":146693,"kind":"person","name":"MOY 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