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This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Roper.   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 $78.23 to $79.75.  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 issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the LJR Family Trust U/T/A DTD 08/08/2013, with respect to which the reporting person is a trustee."}],"balance_after":10452,"source":{"system":"sec-edgar","filing":"0001093557-17-000036","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355717000036/edgardoc.xml","form_type":"4"}},{"id":4485554,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":22275,"kind":"person","name":"ROPER JESS","position":1,"cik":"0001408993","reported_name":"ROPER JESS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2017-01-20T23:37:19.000Z","date":"2017-01-18","kind":"sale","acquired":false,"shares":3012,"price":85.0102,"value":256050.7224,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 04, 2016, Mr. Roper adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Roper.   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 84.39 to 85.97.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the LJR Family Trust U/T/A DTD 08/08/2013, with respect to which the reporting person is a trustee."}],"balance_after":12785,"source":{"system":"sec-edgar","filing":"0001093557-17-000017","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355717000017/edgardoc.xml","form_type":"4"}},{"id":4519321,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":22275,"kind":"person","name":"ROPER JESS","position":1,"cik":"0001408993","reported_name":"ROPER JESS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2016-12-17T00:20:43.000Z","date":"2016-12-14","kind":"sale","acquired":false,"shares":2442,"price":64.1357,"value":156619.3794,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 04, 2016, Mr. Roper adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Roper.   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 $63.68 to $64.89.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Shares are held by the LJR Family Trust U/T/A DTD 08/08/2013, with respect to which the reporting person is a trustee."}],"balance_after":15797,"source":{"system":"sec-edgar","filing":"0001093557-16-000762","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355716000762/edgardoc.xml","form_type":"4"}},{"id":4574206,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":22275,"kind":"person","name":"ROPER JESS","position":1,"cik":"0001408993","reported_name":"ROPER JESS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2016-10-26T21:08:43.000Z","date":"2016-10-24","kind":"sale","acquired":false,"shares":2471,"price":80.7545,"value":199544.3695,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 20, 2015, Mr. Roper adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Roper.   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 $80.39 to $80.98.  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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 55,000 unvested restricted stock units, 30,000 of which were granted on March 8, 2016 and shall vest through March 8, 2019, 20,000 of which were granted on March 8, 2015 and shall vest through March 8, 2018 and 5,000 of which were granted on March 8, 2014 and shall vest through March 8, 2017."}],"balance_after":74215,"source":{"system":"sec-edgar","filing":"0001093557-16-000733","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355716000733/edgardoc.xml","form_type":"4"}},{"id":4596513,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":22275,"kind":"person","name":"ROPER JESS","position":1,"cik":"0001408993","reported_name":"ROPER JESS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2016-09-23T23:52:02.000Z","date":"2016-09-22","kind":"sale","acquired":false,"shares":2470,"price":93.99,"value":232155.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 20, 2015, Mr. Roper adopted a 10b5-1 Plan.  This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Roper.   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 $93.81 to $94.23.  The price above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 55,000 unvested restricted stock units, 30,000 of which were granted on March 8, 2016 and shall vest through March 8, 2019, 20,000 of which were granted on March 8, 2015 and shall vest through March 8, 2018 and 5,000 of which were granted on March 8, 2014 and shall vest through March 8, 2017."}],"balance_after":76686,"source":{"system":"sec-edgar","filing":"0001093557-16-000711","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355716000711/edgardoc.xml","form_type":"4"}},{"id":4604724,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":22275,"kind":"person","name":"ROPER JESS","position":1,"cik":"0001408993","reported_name":"ROPER JESS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2016-09-14T00:31:43.000Z","date":"2016-09-09","kind":"disposition_to_issuer","acquired":false,"shares":3556,"price":93.7226,"value":333277.5656,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to cover the Company's tax withholding obligation that accrued in connection with the vesting of restricted stock units previously granted."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 55,000 unvested restricted stock units, 30,000 of which were granted on March 8, 2016 and shall vest through March 8, 2019, 20,000 of which were granted on March 8, 2015 and shall vest through March 8, 2018 and 5,000 of which were granted on March 8, 2014 and shall vest through March 8, 2017."}],"balance_after":79156,"source":{"system":"sec-edgar","filing":"0001093557-16-000693","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355716000693/edgardoc.xml","form_type":"4"}},{"id":4604723,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":22275,"kind":"person","name":"ROPER JESS","position":1,"cik":"0001408993","reported_name":"ROPER JESS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO"}}],"security":"Common Stock","published_at":"2016-09-14T00:31:43.000Z","date":"2016-09-09","kind":"disposition_to_issuer","acquired":false,"shares":2667,"price":93.7226,"value":249958.1742,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to cover the Company's tax withholding obligation that accrued in connection with the vesting of restricted stock units previously granted."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 55,000 unvested restricted stock units, 30,000 of which were granted on March 8, 2016 and shall vest through March 8, 2019, 20,000 of which were granted on March 8, 2015 and shall vest through March 8, 2018 and 5,000 of which were granted on March 8, 2014 and shall vest through March 8, 2017."}],"balance_after":82712,"source":{"system":"sec-edgar","filing":"0001093557-16-000693","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355716000693/edgardoc.xml","form_type":"4"}}]}