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This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.  The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $600.00 to $600.295.  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 918 restricted stock units which were granted on May 21, 2021 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2022 Annual Meeting."}],"balance_after":918,"source":{"system":"sec-edgar","filing":"0001093557-21-000252","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000252/edgardoc.xml","form_type":"4"}},{"id":2679807,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-07T23:35:26.000Z","date":"2021-06-03","kind":"sale","acquired":false,"shares":806,"price":366.99,"value":295793.94,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2021, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 918 restricted stock units which were granted on May 21, 2021 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2022 Annual Meeting."}],"balance_after":3110,"source":{"system":"sec-edgar","filing":"0001093557-21-000165","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000165/edgardoc.xml","form_type":"4"}},{"id":2697506,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-25T23:15:54.000Z","date":"2021-03-18","kind":"other","acquired":false,"shares":2192,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were transferred from ownership under the Kirschner/Augustinos Revocable Trust to direct ownership."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":7900,"source":{"system":"sec-edgar","filing":"0001093557-21-000135","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000135/edgardoc.xml","form_type":"4"}},{"id":2697505,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-25T23:15:54.000Z","date":"2021-05-21","kind":"grant","acquired":true,"shares":918,"price":0.001,"value":0.918,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The RSU Award was granted on May 21, 2021 and 100% of the RSU will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2022 Annual Meeting. 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The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":10092,"source":{"system":"sec-edgar","filing":"0001093557-21-000026","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000026/edgardoc.xml","form_type":"4"}},{"id":2914060,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-01-07T21:40:25.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":625,"price":375,"value":234375.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":11967,"source":{"system":"sec-edgar","filing":"0001093557-21-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355721000004/edgardoc.xml","form_type":"4"}},{"id":2938401,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-19T00:53:18.000Z","date":"2020-12-16","kind":"sale","acquired":false,"shares":625,"price":356.82,"value":223012.5,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":12592,"source":{"system":"sec-edgar","filing":"0001093557-20-000327","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000327/edgardoc.xml","form_type":"4"}},{"id":2938400,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-19T00:53:18.000Z","date":"2020-12-16","kind":"sale","acquired":false,"shares":25,"price":354,"value":8850.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":13217,"source":{"system":"sec-edgar","filing":"0001093557-20-000327","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000327/edgardoc.xml","form_type":"4"}},{"id":2938399,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-19T00:53:18.000Z","date":"2020-12-16","kind":"sale","acquired":false,"shares":600,"price":352.2,"value":211320.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":13242,"source":{"system":"sec-edgar","filing":"0001093557-20-000327","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000327/edgardoc.xml","form_type":"4"}},{"id":3027291,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-18T20:57:08.000Z","date":"2020-09-16","kind":"sale","acquired":false,"shares":126,"price":402.491,"value":50713.866,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"This transaction was executed in multiple trades at prices ranging from  $402.07 to $402.75.  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 issurer 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 Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":13842,"source":{"system":"sec-edgar","filing":"0001093557-20-000266","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000266/edgardoc.xml","form_type":"4"}},{"id":3027290,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-18T20:57:08.000Z","date":"2020-09-16","kind":"sale","acquired":false,"shares":88,"price":400.9409,"value":35282.7992,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from  $400.80 to $401.11.  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 issurer 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 Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":13968,"source":{"system":"sec-edgar","filing":"0001093557-20-000266","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000266/edgardoc.xml","form_type":"4"}},{"id":3027289,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-18T20:57:08.000Z","date":"2020-09-16","kind":"sale","acquired":false,"shares":1471,"price":399.8354,"value":588157.8734,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from  $399.45 to $400.41.  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 issurer 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 Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":14056,"source":{"system":"sec-edgar","filing":"0001093557-20-000266","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000266/edgardoc.xml","form_type":"4"}},{"id":3027288,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-18T20:57:08.000Z","date":"2020-09-16","kind":"sale","acquired":false,"shares":66,"price":398.105,"value":26274.93,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $398.06 to $398.33.  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 Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":15527,"source":{"system":"sec-edgar","filing":"0001093557-20-000266","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000266/edgardoc.xml","form_type":"4"}},{"id":3027287,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-18T20:57:08.000Z","date":"2020-09-16","kind":"sale","acquired":false,"shares":124,"price":396.5056,"value":49166.6944,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $396.11 to $397.05.  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 Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":15593,"source":{"system":"sec-edgar","filing":"0001093557-20-000266","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000266/edgardoc.xml","form_type":"4"}},{"id":3107697,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-17T22:01:34.000Z","date":"2020-06-15","kind":"sale","acquired":false,"shares":625,"price":375,"value":234375.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":15717,"source":{"system":"sec-edgar","filing":"0001093557-20-000192","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000192/edgardoc.xml","form_type":"4"}},{"id":3107696,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-17T22:01:34.000Z","date":"2020-06-15","kind":"sale","acquired":false,"shares":1250,"price":362.47,"value":453087.5,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2020, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":16342,"source":{"system":"sec-edgar","filing":"0001093557-20-000192","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000192/edgardoc.xml","form_type":"4"}},{"id":3134176,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-27T21:11:23.000Z","date":"2020-05-21","kind":"other","acquired":true,"shares":3230,"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 Kirschner/Augustinos Revocable Trust, upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":17592,"source":{"system":"sec-edgar","filing":"0001093557-20-000154","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000154/edgardoc.xml","form_type":"4"}},{"id":3134175,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-27T21:11:23.000Z","date":"2020-05-22","kind":"grant","acquired":true,"shares":806,"price":0.001,"value":0.806,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The RSU Award was granted on May 22, 2020 and 100% of the RSU will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2021 Annual Meeting. Each share is represented by a restricted stock unit (RSU) that represents a contingent right to receive one share of DexCom, Inc. Common Stock upon settlement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 806 restricted stock units which were granted on May 22, 2020 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2021 Annual Meeting."}],"balance_after":806,"source":{"system":"sec-edgar","filing":"0001093557-20-000154","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000154/edgardoc.xml","form_type":"4"}},{"id":3134174,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-05-27T21:11:23.000Z","date":"2020-05-21","kind":"other","acquired":false,"shares":3230,"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 Kirschner/Augustinos Revocable Trust, upon vesting of previously awarded restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 806 restricted stock units which were granted on May 22, 2020 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2021 Annual Meeting."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001093557-20-000154","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000154/edgardoc.xml","form_type":"4"}},{"id":3267547,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-02-18T23:58:43.000Z","date":"2020-02-14","kind":"sale","acquired":false,"shares":1812,"price":283.8,"value":514245.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 1, 2019, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 2,676 restricted stock units which were granted on May 31, 2019 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting."}],"balance_after":3230,"source":{"system":"sec-edgar","filing":"0001093557-20-000031","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355720000031/edgardoc.xml","form_type":"4"}},{"id":3341344,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-12-17T02:17:00.000Z","date":"2019-12-16","kind":"sale","acquired":false,"shares":1812,"price":206.14,"value":373525.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 1, 2019, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 2,676 restricted stock units which were granted on May 31, 2019 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting."}],"balance_after":5042,"source":{"system":"sec-edgar","filing":"0001093557-19-000259","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000259/edgardoc.xml","form_type":"4"}},{"id":3376701,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-09T01:58:33.000Z","date":"2019-11-07","kind":"sale","acquired":false,"shares":1208,"price":185.29,"value":223830.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 1, 2019, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 2,676 restricted stock units which were granted on May 31, 2019 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting."}],"balance_after":6854,"source":{"system":"sec-edgar","filing":"0001093557-19-000241","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000241/edgardoc.xml","form_type":"4"}},{"id":3411171,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-09-18T22:03:50.000Z","date":"2019-09-16","kind":"sale","acquired":false,"shares":1208,"price":145.49,"value":175751.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 1, 2019, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 2,676 restricted stock units which were granted on May 31, 2019 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting."}],"balance_after":8062,"source":{"system":"sec-edgar","filing":"0001093557-19-000213","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000213/edgardoc.xml","form_type":"4"}},{"id":3488375,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-17T21:50:12.000Z","date":"2019-06-14","kind":"sale","acquired":false,"shares":1208,"price":146.32,"value":176754.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 1, 2019, Mr. Augustinos adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos.   The sale of shares set forth above were pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 2,676 restricted stock units which were granted on May 31, 2019 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting."}],"balance_after":9270,"source":{"system":"sec-edgar","filing":"0001093557-19-000163","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000163/edgardoc.xml","form_type":"4"}},{"id":3503138,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-04T23:57:04.000Z","date":"2019-05-31","kind":"grant","acquired":true,"shares":2676,"price":0.001,"value":2.676,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 31, 2019 and 100% of the RSU will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting. Each share is represented by a restricted stock unit (RSU) that represents a contingent right to receive one share of DexCom, Inc. Common Stock upon settlement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 2,676 restricted stock units which were granted on May 31, 2019 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2020 Annual Meeting."}],"balance_after":10478,"source":{"system":"sec-edgar","filing":"0001093557-19-000149","document":"wf-form4_155969260951522.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355719000149/wf-form4_155969260951522.xml","form_type":"4"}},{"id":3850002,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-09T00:33:32.000Z","date":"2018-08-06","kind":"sale","acquired":false,"shares":3230,"price":121.765,"value":393300.95,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, of which the reporting person is trustee."}],"balance_after":14362,"source":{"system":"sec-edgar","filing":"0001093557-18-000163","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000163/edgardoc.xml","form_type":"4"}},{"id":3850001,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-09T00:33:32.000Z","date":"2018-08-06","kind":"sale","acquired":false,"shares":2970,"price":121.721,"value":361511.37,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $121.39 to $122.21.  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 3,449 restricted stock units which were granted on June 1, 2018 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting."}],"balance_after":7802,"source":{"system":"sec-edgar","filing":"0001093557-18-000163","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000163/edgardoc.xml","form_type":"4"}},{"id":3850000,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-09T00:33:32.000Z","date":"2018-08-06","kind":"sale","acquired":false,"shares":6100,"price":120.9129,"value":737568.69,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $120.37 to $121.32.  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 3,449 restricted stock units which were granted on June 1, 2018 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting."}],"balance_after":10772,"source":{"system":"sec-edgar","filing":"0001093557-18-000163","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000163/edgardoc.xml","form_type":"4"}},{"id":3883405,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-27T00:12:21.000Z","date":"2018-06-01","kind":"grant","acquired":true,"shares":3449,"price":0.001,"value":3.449,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on June 1, 2018 and 100% of the RSU will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting. Each share is represented by a restricted stock unit (RSU) that represents a contingent right to receive one share of DexCom, Inc. commom stock upon settlement."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 3,449 restricted stock units which were granted on June 1, 2018 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting."}],"balance_after":34464,"source":{"system":"sec-edgar","filing":"0001093557-18-000134","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000134/edgardoc.xml","form_type":"4/A","original_submission_date":"2018-06-04"}},{"id":3909192,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-05T00:01:46.000Z","date":"2018-05-31","kind":"grant","acquired":true,"shares":3457,"price":0.001,"value":3.457,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each share is represented by a restricted stock unit (RSU) that represents a contingent right to receive one share of DexCom, Inc. commom stock upon settlement."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RSU Award was granted on May 31, 2018 and 100% of the RSU will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 7,810 restricted stock units, 4,353 of which were granted on June 1, 2017 and shall vest on June 1, 2018 and 3,457 of which were granted on May 31, 2018 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom Inc's 2019 Annual Meeting."}],"balance_after":34472,"source":{"system":"sec-edgar","filing":"0001093557-18-000113","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355718000113/edgardoc.xml","form_type":"4"}},{"id":4293726,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":23809,"kind":"person","name":"AUGUSTINOS NICHOLAS","position":1,"cik":"0001238485","reported_name":"AUGUSTINOS NICHOLAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-06T00:49:57.000Z","date":"2017-06-01","kind":"grant","acquired":true,"shares":4353,"price":0.001,"value":4.353,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Share units are restricted and subject to vesting in one annual installment 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 4,353 unvested restricted stock units which were granted on June 1, 2017 and shall vest on June 1, 2018."}],"balance_after":31015,"source":{"system":"sec-edgar","filing":"0001093557-17-000147","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355717000147/edgardoc.xml","form_type":"4"}}]}