{"transactions":[{"id":2773582,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-03-25T00:18:16.000Z","date":"2021-03-23","kind":"sale","acquired":false,"shares":94,"price":362.45,"value":34070.3,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":6654,"source":{"system":"sec-edgar","filing":"0001093557-21-000092","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000092/edgardoc.xml","form_type":"4"}},{"id":2773581,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-03-25T00:18:16.000Z","date":"2021-03-23","kind":"sale","acquired":false,"shares":268,"price":361.3683,"value":96846.7044,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $360.94 to $361.83. 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":"F2","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":6748,"source":{"system":"sec-edgar","filing":"0001093557-21-000092","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000092/edgardoc.xml","form_type":"4"}},{"id":2773580,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-03-25T00:18:16.000Z","date":"2021-03-23","kind":"sale","acquired":false,"shares":655,"price":360.3323,"value":236017.6565,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $359.70  to $360.67. 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":"F2","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":7016,"source":{"system":"sec-edgar","filing":"0001093557-21-000092","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000092/edgardoc.xml","form_type":"4"}},{"id":2773579,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-03-25T00:18:16.000Z","date":"2021-03-23","kind":"sale","acquired":false,"shares":74,"price":358.13,"value":26501.62,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":7671,"source":{"system":"sec-edgar","filing":"0001093557-21-000092","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000092/edgardoc.xml","form_type":"4"}},{"id":2773578,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-03-25T00:18:16.000Z","date":"2021-03-23","kind":"sale","acquired":false,"shares":18,"price":352.88,"value":6351.84,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":7745,"source":{"system":"sec-edgar","filing":"0001093557-21-000092","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000092/edgardoc.xml","form_type":"4"}},{"id":2830440,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-02-26T23:01:53.000Z","date":"2021-02-24","kind":"sale","acquired":false,"shares":1110,"price":404,"value":448440.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":7763,"source":{"system":"sec-edgar","filing":"0001093557-21-000033","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000033/edgardoc.xml","form_type":"4"}},{"id":2898088,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-26T01:21:24.000Z","date":"2021-01-22","kind":"sale","acquired":false,"shares":11,"price":371.9841,"value":4091.8251,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $371.675 to $372.015. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":8873,"source":{"system":"sec-edgar","filing":"0001093557-21-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000011/edgardoc.xml","form_type":"4"}},{"id":2898087,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-26T01:21:24.000Z","date":"2021-01-22","kind":"sale","acquired":false,"shares":310,"price":370.2438,"value":114775.578,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $370.240 to $370.595. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":8884,"source":{"system":"sec-edgar","filing":"0001093557-21-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000011/edgardoc.xml","form_type":"4"}},{"id":2898086,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-26T01:21:24.000Z","date":"2021-01-22","kind":"sale","acquired":false,"shares":254,"price":369.3065,"value":93803.851,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $369.16 to $369.82. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":9194,"source":{"system":"sec-edgar","filing":"0001093557-21-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000011/edgardoc.xml","form_type":"4"}},{"id":2898085,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-26T01:21:24.000Z","date":"2021-01-22","kind":"sale","acquired":false,"shares":169,"price":368.2021,"value":62226.1549,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $367.90 to $368.49. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":9448,"source":{"system":"sec-edgar","filing":"0001093557-21-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000011/edgardoc.xml","form_type":"4"}},{"id":2898084,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-26T01:21:24.000Z","date":"2021-01-22","kind":"sale","acquired":false,"shares":366,"price":367.5132,"value":134509.8312,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $366.87  to $367.66. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":9617,"source":{"system":"sec-edgar","filing":"0001093557-21-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000011/edgardoc.xml","form_type":"4"}},{"id":2916768,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-06T22:10:58.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":10970,"price":366.07,"value":4015787.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","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 3,916 unvested restricted stock units that will be forfeited to the Company on April 1, 2021 in accordance with Mr. Doubleday's Transition & Consulting Agreement."}],"balance_after":21524,"source":{"system":"sec-edgar","filing":"0001093557-21-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000002/edgardoc.xml","form_type":"4"}},{"id":2916767,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-06T22:10:58.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":28,"price":365.1559,"value":10224.3652,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","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 $365.0432 to $365.1871. 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":"F2","text":"Included in this number are 3,916 unvested restricted stock units that will be forfeited to the Company on April 1, 2021 in accordance with Mr. Doubleday's Transition & Consulting Agreement."}],"balance_after":32494,"source":{"system":"sec-edgar","filing":"0001093557-21-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000002/edgardoc.xml","form_type":"4"}},{"id":2916766,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-06T22:10:58.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":27,"price":362.9633,"value":9800.0091,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","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":"F4","text":"This transaction was executed in multiple trades at prices ranging from $362.84  to $363.0623. 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":"F2","text":"Included in this number are 3,916 unvested restricted stock units that will be forfeited to the Company on April 1, 2021 in accordance with Mr. Doubleday's Transition & Consulting Agreement."}],"balance_after":32522,"source":{"system":"sec-edgar","filing":"0001093557-21-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000002/edgardoc.xml","form_type":"4"}},{"id":2916765,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-06T22:10:58.000Z","date":"2020-12-29","kind":"gift","acquired":false,"shares":950,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction represents a gift by the Reporting Person of 950 shares to a charitable donor advised fund."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 3,916 unvested restricted stock units that will be forfeited to the Company on April 1, 2021 in accordance with Mr. Doubleday's Transition & Consulting Agreement."}],"balance_after":32549,"source":{"system":"sec-edgar","filing":"0001093557-21-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000002/edgardoc.xml","form_type":"4"}},{"id":2931817,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":80,"price":364.1475,"value":29131.8,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $363.94 to $364.24. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":9983,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2931816,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":60,"price":362.8333,"value":21769.998,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $362.50 to $363.00. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10063,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2931815,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":180,"price":361.4611,"value":65062.998,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $361.08 to $361.90. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10123,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2931814,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":123,"price":360.617,"value":44355.891,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $360.00 to $360.93. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10303,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2931813,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":282,"price":359.289,"value":101319.498,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $359.00 to $359.99. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10426,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2931812,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":265,"price":358.4834,"value":94998.101,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $358.000 to $358.925. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10708,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2931811,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-12-28T22:43:36.000Z","date":"2020-12-23","kind":"sale","acquired":false,"shares":120,"price":357.3137,"value":42877.644,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $357.00  to $357.50. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10973,"source":{"system":"sec-edgar","filing":"0001093557-20-000330","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000330/edgardoc.xml","form_type":"4"}},{"id":2966615,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-11-25T21:50:23.000Z","date":"2020-11-23","kind":"sale","acquired":false,"shares":1110,"price":318.99,"value":354078.9,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":11093,"source":{"system":"sec-edgar","filing":"0001093557-20-000317","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000317/edgardoc.xml","form_type":"4"}},{"id":2999479,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":83,"price":408,"value":33864.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12203,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999478,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":68,"price":406.93,"value":27671.24,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12286,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999477,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":263,"price":406.4479,"value":106895.7977,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $405.88 to $406.865. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12354,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999476,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":213,"price":405.0695,"value":86279.8035,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $404.715 to $405.58. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12617,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999475,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":6,"price":403.49,"value":2420.94,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12830,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999474,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":74,"price":402.5662,"value":29789.8988,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $401.80 to $402.61. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12836,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999473,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":156,"price":399.63,"value":62342.28,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12910,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999472,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-23","kind":"sale","acquired":false,"shares":247,"price":397.4908,"value":98180.2276,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 15, 2020,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $397.025  to $398.00. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":13066,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999471,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-14","kind":"other","acquired":true,"shares":13313,"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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":13313,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":2999470,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-10-27T22:19:50.000Z","date":"2020-10-14","kind":"other","acquired":false,"shares":13313,"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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 26,348 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 8,183 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 6,417 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":33499,"source":{"system":"sec-edgar","filing":"0001093557-20-000297","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000297/edgardoc.xml","form_type":"4"}},{"id":3021857,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-09-28T21:35:37.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":1430,"price":381,"value":544830.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001093557-20-000271","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000271/edgardoc.xml","form_type":"4"}},{"id":3021856,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-09-28T21:35:37.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":100,"price":380.3055,"value":38030.55,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $380.00  to $380.37. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":1430,"source":{"system":"sec-edgar","filing":"0001093557-20-000271","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000271/edgardoc.xml","form_type":"4"}},{"id":3033529,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-09-11T22:58:09.000Z","date":"2020-09-09","kind":"sale","acquired":false,"shares":1402,"price":398.302,"value":558419.404,"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 26,348 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 8,183 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 6,417 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":46812,"source":{"system":"sec-edgar","filing":"0001093557-20-000250","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000250/edgardoc.xml","form_type":"4"}},{"id":3033528,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-09-11T22:58:09.000Z","date":"2020-09-09","kind":"sale","acquired":false,"shares":3297,"price":398.302,"value":1313201.694,"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 26,348 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 8,183 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 6,417 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":48214,"source":{"system":"sec-edgar","filing":"0001093557-20-000250","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000250/edgardoc.xml","form_type":"4"}},{"id":3046777,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-08-26T23:03:57.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":1530,"price":427.2171,"value":653642.163,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $426.46  to $427.41. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":1530,"source":{"system":"sec-edgar","filing":"0001093557-20-000233","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000233/edgardoc.xml","form_type":"4"}},{"id":3075734,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-27T21:53:03.000Z","date":"2020-07-23","kind":"sale","acquired":false,"shares":571,"price":429.6019,"value":245302.6849,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $429.38 to $429.82. 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":"F2","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":3060,"source":{"system":"sec-edgar","filing":"0001093557-20-000209","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000209/edgardoc.xml","form_type":"4"}},{"id":3075733,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-27T21:53:03.000Z","date":"2020-07-23","kind":"sale","acquired":false,"shares":107,"price":428.5164,"value":45851.2548,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $428.24 to $428.82. 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":"F2","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":3631,"source":{"system":"sec-edgar","filing":"0001093557-20-000209","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000209/edgardoc.xml","form_type":"4"}},{"id":3075732,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-27T21:53:03.000Z","date":"2020-07-23","kind":"sale","acquired":false,"shares":476,"price":427.36,"value":203423.36,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $427.20  to $428.13. 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":"F2","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":3738,"source":{"system":"sec-edgar","filing":"0001093557-20-000209","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000209/edgardoc.xml","form_type":"4"}},{"id":3075731,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-27T21:53:03.000Z","date":"2020-07-23","kind":"sale","acquired":false,"shares":94,"price":425.99,"value":40043.06,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4214,"source":{"system":"sec-edgar","filing":"0001093557-20-000209","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000209/edgardoc.xml","form_type":"4"}},{"id":3075730,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-27T21:53:03.000Z","date":"2020-07-23","kind":"sale","acquired":false,"shares":83,"price":424.63,"value":35244.29,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4308,"source":{"system":"sec-edgar","filing":"0001093557-20-000209","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000209/edgardoc.xml","form_type":"4"}},{"id":3075729,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-27T21:53:03.000Z","date":"2020-07-23","kind":"sale","acquired":false,"shares":200,"price":421.615,"value":84323.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4391,"source":{"system":"sec-edgar","filing":"0001093557-20-000209","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000209/edgardoc.xml","form_type":"4"}},{"id":3100176,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-06-25T22:45:23.000Z","date":"2020-06-23","kind":"sale","acquired":false,"shares":227,"price":411.5376,"value":93419.0352,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $411.02 to $411.96. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4591,"source":{"system":"sec-edgar","filing":"0001093557-20-000196","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000196/edgardoc.xml","form_type":"4"}},{"id":3100175,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-06-25T22:45:23.000Z","date":"2020-06-23","kind":"sale","acquired":false,"shares":595,"price":410.2632,"value":244106.604,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $409.88 to $410.74. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4818,"source":{"system":"sec-edgar","filing":"0001093557-20-000196","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000196/edgardoc.xml","form_type":"4"}},{"id":3100174,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-06-25T22:45:23.000Z","date":"2020-06-23","kind":"sale","acquired":false,"shares":354,"price":408.8989,"value":144750.2106,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $408.73 to $409.25. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":5413,"source":{"system":"sec-edgar","filing":"0001093557-20-000196","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000196/edgardoc.xml","form_type":"4"}},{"id":3100173,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-06-25T22:45:23.000Z","date":"2020-06-23","kind":"sale","acquired":false,"shares":355,"price":407.1305,"value":144531.3275,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $406.99  to $407.37. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":5767,"source":{"system":"sec-edgar","filing":"0001093557-20-000196","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000196/edgardoc.xml","form_type":"4"}},{"id":3134196,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-05-27T21:56:10.000Z","date":"2020-05-22","kind":"sale","acquired":false,"shares":1531,"price":396.74,"value":607408.94,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":6122,"source":{"system":"sec-edgar","filing":"0001093557-20-000170","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000170/edgardoc.xml","form_type":"4"}},{"id":3169399,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-04-27T21:00:52.000Z","date":"2020-04-23","kind":"sale","acquired":false,"shares":1530,"price":318.57,"value":487412.1,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":7653,"source":{"system":"sec-edgar","filing":"0001093557-20-000134","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000134/edgardoc.xml","form_type":"4"}},{"id":3195542,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-25T22:10:53.000Z","date":"2020-03-23","kind":"sale","acquired":false,"shares":1300,"price":209.55,"value":272415.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":9183,"source":{"system":"sec-edgar","filing":"0001093557-20-000109","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000109/edgardoc.xml","form_type":"4"}},{"id":3195541,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-25T22:10:53.000Z","date":"2020-03-23","kind":"sale","acquired":false,"shares":231,"price":207.7086,"value":47980.6866,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $207.28  to $208.12. 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":"F5","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10483,"source":{"system":"sec-edgar","filing":"0001093557-20-000109","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000109/edgardoc.xml","form_type":"4"}},{"id":3195540,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-25T22:10:53.000Z","date":"2020-03-13","kind":"gift","acquired":false,"shares":523,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction represents a gift by the Reporting Person of 523 shares to a charitable donor advised fund."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 35,492 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 10,910 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 12,834 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":51482,"source":{"system":"sec-edgar","filing":"0001093557-20-000109","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000109/edgardoc.xml","form_type":"4"}},{"id":3211738,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-14T01:36:19.000Z","date":"2020-03-11","kind":"sale","acquired":false,"shares":7974,"price":265.426,"value":2116506.924,"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 35,492 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 10,910 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 12,834 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":52005,"source":{"system":"sec-edgar","filing":"0001093557-20-000107","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000107/edgardoc.xml","form_type":"4"}},{"id":3211737,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-14T01:36:19.000Z","date":"2020-03-11","kind":"sale","acquired":false,"shares":189,"price":250.02,"value":47253.78,"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":"F4","text":"This transaction was executed in multiple trades at prices ranging from $250.02 to $250.0201. 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 35,492 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 10,910 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 12,834 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":59979,"source":{"system":"sec-edgar","filing":"0001093557-20-000107","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000107/edgardoc.xml","form_type":"4"}},{"id":3211736,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-14T01:36:19.000Z","date":"2020-03-11","kind":"sale","acquired":false,"shares":140,"price":245.7111,"value":34399.554,"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 $245.62  to $246.3512. 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 35,492 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 10,910 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 12,834 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":60168,"source":{"system":"sec-edgar","filing":"0001093557-20-000107","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000107/edgardoc.xml","form_type":"4"}},{"id":3218626,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-03-10T23:40:58.000Z","date":"2020-03-08","kind":"grant","acquired":true,"shares":11748,"price":0.001,"value":11.748,"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 35,492 unvested restricted stock units, 11,748 of which were granted on March 8, 2020 and shall vest through March 8, 2023, 10,910 of which were granted on March 8, 2019 and shall vest through March 8, 2022 and 12,834 of which were granted on March 8, 2018 and shall vest through March 8, 2021."}],"balance_after":60308,"source":{"system":"sec-edgar","filing":"0001093557-20-000068","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000068/edgardoc.xml","form_type":"4"}},{"id":3246940,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-02-26T21:31:12.000Z","date":"2020-02-24","kind":"sale","acquired":false,"shares":88,"price":283.0909,"value":24911.9992,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $283.07 to $283.53. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10714,"source":{"system":"sec-edgar","filing":"0001093557-20-000041","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000041/edgardoc.xml","form_type":"4"}},{"id":3246939,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-02-26T21:31:12.000Z","date":"2020-02-24","kind":"sale","acquired":false,"shares":125,"price":278.61,"value":34826.25,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10802,"source":{"system":"sec-edgar","filing":"0001093557-20-000041","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000041/edgardoc.xml","form_type":"4"}},{"id":3246938,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-02-26T21:31:12.000Z","date":"2020-02-24","kind":"sale","acquired":false,"shares":852,"price":278.031,"value":236882.412,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $277.475 to $278.27. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10927,"source":{"system":"sec-edgar","filing":"0001093557-20-000041","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000041/edgardoc.xml","form_type":"4"}},{"id":3246937,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-02-26T21:31:12.000Z","date":"2020-02-24","kind":"sale","acquired":false,"shares":467,"price":275.9883,"value":128886.5361,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $275.585  to $276.12. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":11779,"source":{"system":"sec-edgar","filing":"0001093557-20-000041","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000041/edgardoc.xml","form_type":"4"}},{"id":3301583,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-01-27T22:13:36.000Z","date":"2020-01-23","kind":"sale","acquired":false,"shares":500,"price":236.088,"value":118044.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $236.00 to $236.40. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12246,"source":{"system":"sec-edgar","filing":"0001093557-20-000015","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000015/edgardoc.xml","form_type":"4"}},{"id":3301582,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-01-27T22:13:36.000Z","date":"2020-01-23","kind":"sale","acquired":false,"shares":300,"price":234.26,"value":70278.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $234.06 to $234.52. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":12746,"source":{"system":"sec-edgar","filing":"0001093557-20-000015","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000015/edgardoc.xml","form_type":"4"}},{"id":3301581,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-01-27T22:13:36.000Z","date":"2020-01-23","kind":"sale","acquired":false,"shares":732,"price":233.1714,"value":170681.4648,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $232.53  to $233.40. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":13046,"source":{"system":"sec-edgar","filing":"0001093557-20-000015","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000015/edgardoc.xml","form_type":"4"}},{"id":3332883,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-12-24T00:42:01.000Z","date":"2019-12-23","kind":"sale","acquired":false,"shares":202,"price":213.6118,"value":43149.5836,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $213.55 to $213.79. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":13778,"source":{"system":"sec-edgar","filing":"0001093557-19-000262","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000262/edgardoc.xml","form_type":"4"}},{"id":3332882,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-12-24T00:42:01.000Z","date":"2019-12-23","kind":"sale","acquired":false,"shares":1331,"price":212.9286,"value":283407.9666,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $212.55  to $213.45. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":13980,"source":{"system":"sec-edgar","filing":"0001093557-19-000262","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000262/edgardoc.xml","form_type":"4"}},{"id":3360327,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-11-26T00:43:16.000Z","date":"2019-11-22","kind":"sale","acquired":false,"shares":233,"price":218.521,"value":50915.393,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $218.11 to $218.33. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":15311,"source":{"system":"sec-edgar","filing":"0001093557-19-000249","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000249/edgardoc.xml","form_type":"4"}},{"id":3360326,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-11-26T00:43:16.000Z","date":"2019-11-22","kind":"sale","acquired":false,"shares":1300,"price":217.3877,"value":282604.01,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $217.06  to $217.47. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":15544,"source":{"system":"sec-edgar","filing":"0001093557-19-000249","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000249/edgardoc.xml","form_type":"4"}},{"id":3388050,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-10-25T20:35:32.000Z","date":"2019-10-23","kind":"sale","acquired":false,"shares":100,"price":153.34,"value":15334.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":16844,"source":{"system":"sec-edgar","filing":"0001093557-19-000227","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000227/edgardoc.xml","form_type":"4"}},{"id":3388049,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-10-25T20:35:32.000Z","date":"2019-10-23","kind":"sale","acquired":false,"shares":800,"price":152.7098,"value":122167.84,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $152.31 to $153.14. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":16944,"source":{"system":"sec-edgar","filing":"0001093557-19-000227","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000227/edgardoc.xml","form_type":"4"}},{"id":3388048,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-10-25T20:35:32.000Z","date":"2019-10-23","kind":"sale","acquired":false,"shares":633,"price":151.7038,"value":96028.5054,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"On June 3, 2019,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $151.18  to $152.16. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":17744,"source":{"system":"sec-edgar","filing":"0001093557-19-000227","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000227/edgardoc.xml","form_type":"4"}},{"id":3388047,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-10-25T20:35:32.000Z","date":"2019-10-07","kind":"other","acquired":true,"shares":18377,"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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":18377,"source":{"system":"sec-edgar","filing":"0001093557-19-000227","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000227/edgardoc.xml","form_type":"4"}},{"id":3388046,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-10-25T20:35:32.000Z","date":"2019-10-07","kind":"other","acquired":false,"shares":18377,"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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 40,201 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 19,251 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 4,585 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":48444,"source":{"system":"sec-edgar","filing":"0001093557-19-000227","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000227/edgardoc.xml","form_type":"4"}},{"id":3405939,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-09-27T00:42:39.000Z","date":"2019-09-24","kind":"sale","acquired":false,"shares":519,"price":155.5737,"value":80742.7503,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $155.39 to $156.10. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001093557-19-000219","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000219/edgardoc.xml","form_type":"4"}},{"id":3405938,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-09-27T00:42:39.000Z","date":"2019-09-24","kind":"sale","acquired":false,"shares":1497,"price":154.8023,"value":231739.0431,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $154.24  to $155.23. 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":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by the Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":519,"source":{"system":"sec-edgar","filing":"0001093557-19-000219","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000219/edgardoc.xml","form_type":"4"}},{"id":3417871,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-09-12T01:28:30.000Z","date":"2019-09-09","kind":"sale","acquired":false,"shares":5525,"price":150.1111,"value":829363.8275,"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 40,201 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 19,251 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 4,585 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":66821,"source":{"system":"sec-edgar","filing":"0001093557-19-000193","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000193/edgardoc.xml","form_type":"4"}},{"id":3417870,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-09-12T01:28:30.000Z","date":"2019-09-09","kind":"sale","acquired":false,"shares":318,"price":145.3793,"value":46230.6174,"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 $145.34  to $145.41. 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 40,201 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 19,251 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 4,585 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":72346,"source":{"system":"sec-edgar","filing":"0001093557-19-000193","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000193/edgardoc.xml","form_type":"4"}},{"id":3429505,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-08-27T01:12:30.000Z","date":"2019-08-23","kind":"sale","acquired":false,"shares":896,"price":175.877,"value":157585.792,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $175.63 to $176.04. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":2016,"source":{"system":"sec-edgar","filing":"0001093557-19-000186","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000186/edgardoc.xml","form_type":"4"}},{"id":3429504,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-08-27T01:12:30.000Z","date":"2019-08-23","kind":"sale","acquired":false,"shares":1120,"price":174.5554,"value":195502.048,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $174.22  to $174.98. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":2912,"source":{"system":"sec-edgar","filing":"0001093557-19-000186","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000186/edgardoc.xml","form_type":"4"}},{"id":3456963,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-07-24T22:15:13.000Z","date":"2019-07-23","kind":"sale","acquired":false,"shares":836,"price":154.9878,"value":129569.8008,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $154.90 to $155.14. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4032,"source":{"system":"sec-edgar","filing":"0001093557-19-000173","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000173/edgardoc.xml","form_type":"4"}},{"id":3456962,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-07-24T22:15:13.000Z","date":"2019-07-23","kind":"sale","acquired":false,"shares":200,"price":153.775,"value":30755.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $153.76 to $153.79. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":4868,"source":{"system":"sec-edgar","filing":"0001093557-19-000173","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000173/edgardoc.xml","form_type":"4"}},{"id":3456961,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-07-24T22:15:13.000Z","date":"2019-07-23","kind":"sale","acquired":false,"shares":980,"price":152.2914,"value":149245.572,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $152.09  to $152.66. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":5068,"source":{"system":"sec-edgar","filing":"0001093557-19-000173","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000173/edgardoc.xml","form_type":"4"}},{"id":3479325,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-06-25T21:21:18.000Z","date":"2019-06-24","kind":"sale","acquired":false,"shares":592,"price":151.094,"value":89447.648,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $150.83 to $151.55. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":6048,"source":{"system":"sec-edgar","filing":"0001093557-19-000167","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000167/edgardoc.xml","form_type":"4"}},{"id":3479324,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-06-25T21:21:18.000Z","date":"2019-06-24","kind":"sale","acquired":false,"shares":1424,"price":149.0015,"value":212178.136,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $148.42 to $149.40. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":6640,"source":{"system":"sec-edgar","filing":"0001093557-19-000167","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000167/edgardoc.xml","form_type":"4"}},{"id":3512320,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-05-24T21:09:08.000Z","date":"2019-05-23","kind":"sale","acquired":false,"shares":1100,"price":117.6455,"value":129410.05,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $117.50 to $117.70. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":8064,"source":{"system":"sec-edgar","filing":"0001093557-19-000128","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000128/edgardoc.xml","form_type":"4"}},{"id":3512319,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-05-24T21:09:08.000Z","date":"2019-05-23","kind":"sale","acquired":false,"shares":916,"price":116.8579,"value":107041.8364,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $116.46 to $117.13. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":9164,"source":{"system":"sec-edgar","filing":"0001093557-19-000128","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000128/edgardoc.xml","form_type":"4"}},{"id":3550390,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-04-24T23:58:52.000Z","date":"2019-04-23","kind":"sale","acquired":false,"shares":1200,"price":117.27,"value":140724.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $117.25 to $117.49. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":10080,"source":{"system":"sec-edgar","filing":"0001093557-19-000110","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000110/edgardoc.xml","form_type":"4"}},{"id":3550389,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-04-24T23:58:52.000Z","date":"2019-04-23","kind":"sale","acquired":false,"shares":816,"price":116.5613,"value":95114.0208,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $116.25 to $117.00. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":11280,"source":{"system":"sec-edgar","filing":"0001093557-19-000110","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000110/edgardoc.xml","form_type":"4"}},{"id":3577451,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-03-27T21:40:36.000Z","date":"2019-03-25","kind":"sale","acquired":false,"shares":1400,"price":127.7746,"value":178884.44,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $127.01 to $128.00. 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 51,203 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 25,668 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 9,170 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":12096,"source":{"system":"sec-edgar","filing":"0001093557-19-000091","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000091/edgardoc.xml","form_type":"4"}},{"id":3577450,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-03-27T21:40:36.000Z","date":"2019-03-25","kind":"sale","acquired":false,"shares":616,"price":126.4691,"value":77904.9656,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $126.01 to $127.00. 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 51,203 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 25,668 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 9,170 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":13496,"source":{"system":"sec-edgar","filing":"0001093557-19-000091","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000091/edgardoc.xml","form_type":"4"}},{"id":3598038,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-03-13T23:00:38.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":2191,"price":142.7922,"value":312857.7102,"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."}],"balance_after":72570,"source":{"system":"sec-edgar","filing":"0001093557-19-000080","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000080/edgardoc.xml","form_type":"4"}},{"id":3598037,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-03-13T23:00:38.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":6399,"price":142.7922,"value":913727.2878,"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 51,203 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 25,668 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 9,170 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":74761,"source":{"system":"sec-edgar","filing":"0001093557-19-000080","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000080/edgardoc.xml","form_type":"4"}},{"id":3598036,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-03-13T23:00:38.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":2221,"price":142.7922,"value":317141.4762,"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 51,203 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 25,668 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 9,170 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":81160,"source":{"system":"sec-edgar","filing":"0001093557-19-000080","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000080/edgardoc.xml","form_type":"4"}},{"id":3602784,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-03-12T00:30:49.000Z","date":"2019-03-08","kind":"grant","acquired":true,"shares":16365,"price":0.001,"value":16.365,"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 over a 36 month period from the date of grant as follows: 1/3 shall vest 12 months from the Grant Date, and the remaining balance shall vest in four equal installments over the following 24 months.  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 51,203 unvested restricted stock units, 16,365 of which were granted on March 8, 2019 and shall vest through March 8, 2022, 25,668 of which were granted on March 8, 2018 and shall vest through March 8, 2021 and 9,170 of which were granted on March 8, 2017 and shall vest through March 8, 2020."}],"balance_after":83381,"source":{"system":"sec-edgar","filing":"0001093557-19-000051","document":"wf-form4_155235063585618.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000051/wf-form4_155235063585618.xml","form_type":"4"}},{"id":3719898,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-12-27T01:33:52.000Z","date":"2018-12-21","kind":"sale","acquired":false,"shares":310,"price":110.6056,"value":34287.736,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $110.40 to $111.08. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":14112,"source":{"system":"sec-edgar","filing":"0001093557-18-000258","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000258/edgardoc.xml","form_type":"4"}},{"id":3719897,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-12-27T01:33:52.000Z","date":"2018-12-21","kind":"sale","acquired":false,"shares":700,"price":109.5714,"value":76699.98,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $109.38 to $109.82. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":14422,"source":{"system":"sec-edgar","filing":"0001093557-18-000258","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000258/edgardoc.xml","form_type":"4"}},{"id":3719896,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-12-27T01:33:52.000Z","date":"2018-12-21","kind":"sale","acquired":false,"shares":500,"price":108.2262,"value":54113.1,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $108.00 to $108.59. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":15122,"source":{"system":"sec-edgar","filing":"0001093557-18-000258","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000258/edgardoc.xml","form_type":"4"}},{"id":3752494,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-11-27T23:27:59.000Z","date":"2018-11-23","kind":"sale","acquired":false,"shares":1236,"price":122.0024,"value":150794.9664,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $122.00 to $122.04. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":15622,"source":{"system":"sec-edgar","filing":"0001093557-18-000244","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000244/edgardoc.xml","form_type":"4"}},{"id":3752493,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-11-27T23:27:59.000Z","date":"2018-11-23","kind":"sale","acquired":false,"shares":500,"price":119.738,"value":59869.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 $119.64 to $120.13. 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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":16858,"source":{"system":"sec-edgar","filing":"0001093557-18-000244","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000244/edgardoc.xml","form_type":"4"}},{"id":3783518,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":140936,"kind":"person","name":"DOUBLEDAY RICHARD","position":1,"cik":"0001466545","reported_name":"DOUBLEDAY RICHARD","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-10-26T00:59:04.000Z","date":"2018-10-23","kind":"sale","acquired":false,"shares":100,"price":129.78,"value":12978.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 1, 2018,  Mr. Doubleday adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Doubleday.   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 Doubleday Living Trust U/A/D 5/26/2015, with respect to which the reporting person is a trustee."}],"balance_after":17358,"source":{"system":"sec-edgar","filing":"0001093557-18-000223","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000223/edgardoc.xml","form_type":"4"}}],"next_cursor":"2018-10-26T00:59:04.000000Z,3783518"}