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The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 71,903 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":123478,"source":{"system":"sec-edgar","filing":"0001093557-26-000181","document":"wk-form4_1790799305.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000181/wk-form4_1790799305.xml","form_type":"4"}},{"id":4619373,"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":"2026-09-16T20:26:04.000Z","date":"2026-09-15","kind":"sale","planned":true,"acquired":false,"shares":6539,"price":84.04,"value":549537.56,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 10, 2026, Mr. Augustinos adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos. 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 Kirschner/Augustinos Revocable Trust, with respect to which the Reporting Person is a trustee."}],"balance_after":29293,"source":{"system":"sec-edgar","filing":"0001093557-26-000179","document":"wk-form4_1789590361.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1238485/000109355726000179/wk-form4_1789590361.xml","form_type":"4"}},{"id":4619372,"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":"2026-09-16T20:26:04.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":1550,"price":84.02,"value":130231.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 10, 2026, Mr. Augustinos adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos. 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 Kirschner/Augustinos Revocable Trust, with respect to which the Reporting Person is a trustee."}],"balance_after":35832,"source":{"system":"sec-edgar","filing":"0001093557-26-000179","document":"wk-form4_1789590361.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238485/000109355726000179/wk-form4_1789590361.xml","form_type":"4"}},{"id":4619369,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Legal Compliance Off"}}],"security":"Common Stock","published_at":"2026-09-16T20:25:34.000Z","date":"2026-09-15","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":84.04,"value":142868.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-\n1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 71,903 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8,\n2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 7,237 of which were granted on March 8, 2024 and shall vest through\nMarch 8, 2027, and 83 additional shares acquired under the Issuer's Amended and Restated 2015 Employee Stock Purchase Plan."}],"balance_after":99885,"source":{"system":"sec-edgar","filing":"0001093557-26-000178","document":"wk-form4_1789590332.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1899922/000109355726000178/wk-form4_1789590332.xml","form_type":"4"}},{"id":4616778,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20079,"kind":"person","name":"Sylvain Jereme M","position":1,"cik":"0001681267","reported_name":"Sylvain Jereme M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financal Officer"}}],"security":"Common Stock","published_at":"2026-09-14T20:02:47.000Z","date":"2026-09-10","kind":"sale","planned":true,"acquired":false,"shares":3638,"price":83.27,"value":302936.26,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 10, 2026, Mr. Sylvain adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sylvain. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 87,094 unvested restricted stock units, 48,774 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 76 additional shares acquired under the Issuer's Amended and Restated 2015 Employee Stock Purchase Plan."}],"balance_after":146828,"source":{"system":"sec-edgar","filing":"0001093557-26-000173","document":"wk-form4_1789416164.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1681267/000109355726000173/wk-form4_1789416164.xml","form_type":"4"}},{"id":4614796,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":15116,"kind":"person","name":"Boehnlein Glenn S","position":1,"cik":"0001670936","reported_name":"Boehnlein Glenn S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-10T20:40:16.000Z","date":"2026-09-10","kind":"grant","planned":false,"acquired":true,"shares":5841,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units that are exempt from Section 16b-3 and are subject to vesting in three equal annual installments from the date of grant. Restricted stock units represent a contingent right to receive one share of DexCom, Inc. Common Stock."}],"balance_after":5841,"source":{"system":"sec-edgar","filing":"0001093557-26-000171","document":"wk-form4_1789072814.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1670936/000109355726000171/wk-form4_1789072814.xml","form_type":"4"}},{"id":673285,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief People & Culture Off"}}],"security":"Common Stock","published_at":"2026-08-28T20:57:18.000Z","date":"2026-08-27","kind":"sale","planned":true,"acquired":false,"shares":2565,"price":88.37,"value":226669.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 28, 2026, Ms. Stern adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Stern. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 71,903 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":126043,"source":{"system":"sec-edgar","filing":"0001093557-26-000161","document":"wk-form4_1787950632.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000161/wk-form4_1787950632.xml","form_type":"4"}},{"id":676616,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO, and Director"}}],"security":"Common Stock","published_at":"2026-08-25T20:14:53.000Z","date":"2026-08-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":92.34,"value":133985.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 142,836 unvested restricted stock units, 104,516 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":418908,"source":{"system":"sec-edgar","filing":"0001093557-26-000159","document":"wk-form4_1787688890.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000159/wk-form4_1787688890.xml","form_type":"4"}},{"id":676615,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20079,"kind":"person","name":"Sylvain Jereme M","position":1,"cik":"0001681267","reported_name":"Sylvain Jereme M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financal Officer"}}],"security":"Common Stock","published_at":"2026-08-25T20:14:46.000Z","date":"2026-08-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":92.34,"value":133985.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 87,094 unvested restricted stock units, 48,774 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":150390,"source":{"system":"sec-edgar","filing":"0001093557-26-000158","document":"wk-form4_1787688882.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000158/wk-form4_1787688882.xml","form_type":"4"}},{"id":676614,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Legal Compliance Off"}}],"security":"Common Stock","published_at":"2026-08-25T20:14:39.000Z","date":"2026-08-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":92.34,"value":133985.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 71,903 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":101502,"source":{"system":"sec-edgar","filing":"0001093557-26-000157","document":"wk-form4_1787688876.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000157/wk-form4_1787688876.xml","form_type":"4"}},{"id":676612,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief People & Culture Off"}}],"security":"Common Stock","published_at":"2026-08-25T20:14:33.000Z","date":"2026-08-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":92.34,"value":133985.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 71,903 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 5,699 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":128608,"source":{"system":"sec-edgar","filing":"0001093557-26-000156","document":"wk-form4_1787688867.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000156/wk-form4_1787688867.xml","form_type":"4"}},{"id":677930,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-08-24T20:01:44.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":97,"price":91.41,"value":8866.77,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 18, 2026, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. The shares set forth above were sold pursuant to the 10b5- 1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 106,972 unvested restricted stock units, 32,749 of which were granted on March 8, 2026 and shall vest through March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":302214,"source":{"system":"sec-edgar","filing":"0001093557-26-000151","document":"wk-form4_1787601701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000151/wk-form4_1787601701.xml","form_type":"4"}},{"id":677929,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-08-24T20:01:44.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":7351,"price":90.7811,"value":667331.8661,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 18, 2026, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. 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 $90.32 to $91.19. 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 106,972 unvested restricted stock units, 32,749 of which were granted on March 8, 2026 and shall vest through March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":302311,"source":{"system":"sec-edgar","filing":"0001093557-26-000151","document":"wk-form4_1787601701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000151/wk-form4_1787601701.xml","form_type":"4"}},{"id":677928,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-08-24T20:01:44.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":19308,"price":89.706,"value":1732043.448,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 18, 2026, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. 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 $89.275 to $90.25. 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 106,972 unvested restricted stock units, 32,749 of which were granted on March 8, 2026 and shall vest through March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":309662,"source":{"system":"sec-edgar","filing":"0001093557-26-000151","document":"wk-form4_1787601701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000151/wk-form4_1787601701.xml","form_type":"4"}},{"id":686016,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Legal Compliance Off"}}],"security":"Common Stock","published_at":"2026-08-17T20:08:15.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":91.93,"value":156281.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5- 1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,753 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":102953,"source":{"system":"sec-edgar","filing":"0001093557-26-000149","document":"wk-form4_1786997293.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000149/wk-form4_1786997293.xml","form_type":"4"}},{"id":688352,"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":"2026-08-13T22:38:26.000Z","date":"2026-08-12","kind":"gift","planned":false,"acquired":false,"shares":1075,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a donation of shares to a charitable donor advised fund."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, with respect to which the Reporting Person is a trustee."}],"balance_after":37382,"source":{"system":"sec-edgar","filing":"0001093557-26-000147","document":"wk-form4_1786660703.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000147/wk-form4_1786660703.xml","form_type":"4"}},{"id":688351,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":12603,"kind":"person","name":"Heller Bridgette P","position":1,"cik":"0001485616","reported_name":"Heller Bridgette P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-13T20:04:04.000Z","date":"2026-08-12","kind":"sale","planned":true,"acquired":false,"shares":1012,"price":88.29,"value":89349.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 14, 2025, Ms. Heller adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Heller. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 5,575 unvested restricted stock units which were granted on May 28, 2026 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders."}],"balance_after":29570,"source":{"system":"sec-edgar","filing":"0001485616-26-000006","document":"wk-form4_1786651440.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000148561626000006/wk-form4_1786651440.xml","form_type":"4"}},{"id":697894,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-04T20:38:19.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":2000,"price":85.32,"value":170640.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2026, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. The shares set forth\nabove were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by The Foletta Family Trust DTD 1/30/2015, with respect to which the Reporting Person is a trustee."}],"balance_after":48852,"source":{"system":"sec-edgar","filing":"0001093557-26-000145","document":"wk-form4_1785875897.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000145/wk-form4_1785875897.xml","form_type":"4"}},{"id":697893,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-04T20:38:19.000Z","date":"2026-07-31","kind":"sale","planned":true,"acquired":false,"shares":2000,"price":80,"value":160000.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2026, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. The shares set forth\nabove were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by The Foletta Family Trust DTD 1/30/2015, with respect to which the Reporting Person is a trustee."}],"balance_after":50852,"source":{"system":"sec-edgar","filing":"0001093557-26-000145","document":"wk-form4_1785875897.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000145/wk-form4_1785875897.xml","form_type":"4"}},{"id":705337,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-07-21T20:58:43.000Z","date":"2026-07-20","kind":"sale","planned":true,"acquired":false,"shares":26756,"price":76.3193,"value":2041999.1908,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 18, 2026, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. 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 $75.80 to $76.62. 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 106,972 unvested restricted stock units, 32,749 of which were granted on March 8, 2026 and shall vest through March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":328970,"source":{"system":"sec-edgar","filing":"0001093557-26-000137","document":"wk-form4_1784667520.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000137/wk-form4_1784667520.xml","form_type":"4"}},{"id":708399,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Legal Compliance Off"}}],"security":"Common Stock","published_at":"2026-07-16T21:06:12.000Z","date":"2026-07-15","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":74.42,"value":126514.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5- 1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,753 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":104653,"source":{"system":"sec-edgar","filing":"0001093557-26-000135","document":"wk-form4_1784235969.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000135/wk-form4_1784235969.xml","form_type":"4"}},{"id":713941,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-07-07T20:09:41.000Z","date":"2026-07-06","kind":"sale","planned":true,"acquired":false,"shares":26756,"price":72,"value":1926432.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 18, 2026, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. The shares set forth above were sold pursuant to the 10b5- 1\nPlan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 106,972 unvested restricted stock units, 32,749 of which were granted on March 8, 2026 and shall vest through March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":355726,"source":{"system":"sec-edgar","filing":"0001093557-26-000133","document":"wk-form4_1783454979.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000133/wk-form4_1783454979.xml","form_type":"4"}},{"id":734991,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Legal Compliance Off"}}],"security":"Common Stock","published_at":"2026-06-17T20:32:31.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":75.55,"value":128435.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5- 1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,753 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":106353,"source":{"system":"sec-edgar","filing":"0001093557-26-000131","document":"wk-form4_1781728348.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000131/wk-form4_1781728348.xml","form_type":"4"}},{"id":734989,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-17T20:32:23.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":199,"price":74.8187,"value":14888.9213,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2026, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. 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 $74.78 to $75.55. 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 Foletta Family Trust DTD 1/30/2015, with respect to which the Reporting Person is a trustee."}],"balance_after":52852,"source":{"system":"sec-edgar","filing":"0001093557-26-000130","document":"wk-form4_1781728340.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000130/wk-form4_1781728340.xml","form_type":"4"}},{"id":734988,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-17T20:32:23.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":3801,"price":74.0991,"value":281650.6791,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2026, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. 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 $73.70 to $74.685. 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 Foletta Family Trust DTD 1/30/2015, with respect to which the Reporting Person is a trustee."}],"balance_after":53051,"source":{"system":"sec-edgar","filing":"0001093557-26-000130","document":"wk-form4_1781728340.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000130/wk-form4_1781728340.xml","form_type":"4"}},{"id":748623,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":41086,"kind":"person","name":"Coleman Jon","position":1,"cik":"0001442689","reported_name":"Coleman Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-06-05T20:17:40.000Z","date":"2026-06-04","kind":"sale","planned":true,"acquired":false,"shares":4911,"price":74.13,"value":364052.43,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2026, Mr. Coleman adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Coleman. The shares set forth above were sold pursuant to the 10b5- 1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 95,450 unvested restricted stock units, 43,897 of which were granted on March 8, 2026 and shall vest through March 8, 2029, and 51,553 of which were granted on May 22, 2025 and shall vest through May 22, 2029."}],"balance_after":95450,"source":{"system":"sec-edgar","filing":"0001093557-26-000127","document":"wk-form4_1780690655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000127/wk-form4_1780690655.xml","form_type":"4"}},{"id":748622,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":41086,"kind":"person","name":"Coleman Jon","position":1,"cik":"0001442689","reported_name":"Coleman Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-06-05T20:17:40.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":4912,"price":73,"value":358576.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 4, 2026, Mr. Coleman adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Coleman. The shares set forth above were sold pursuant to the 10b5- 1 Plan."}],"balance_after":100361,"source":{"system":"sec-edgar","filing":"0001093557-26-000127","document":"wk-form4_1780690655.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000127/wk-form4_1780690655.xml","form_type":"4"}},{"id":757763,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":16562,"kind":"person","name":"ALTMAN STEVEN R","position":1,"cik":"0001191307","reported_name":"ALTMAN STEVEN R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:35:10.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5565,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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."}],"balance_after":5565,"source":{"system":"sec-edgar","filing":"0001093557-26-000125","document":"wk-form4_1780349706.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000125/wk-form4_1780349706.xml","form_type":"4"}},{"id":757762,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":117,"kind":"person","name":"Malady Kyle","position":1,"cik":"0001760581","reported_name":"Malady Kyle","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:35:04.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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."}],"balance_after":28242,"source":{"system":"sec-edgar","filing":"0001093557-26-000124","document":"wk-form4_1780349701.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000124/wk-form4_1780349701.xml","form_type":"4"}},{"id":757761,"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":"2026-06-01T21:34:59.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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."}],"balance_after":5575,"source":{"system":"sec-edgar","filing":"0001093557-26-000123","document":"wk-form4_1780349697.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000123/wk-form4_1780349697.xml","form_type":"4"}},{"id":757760,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:54.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":6331,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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."}],"balance_after":6331,"source":{"system":"sec-edgar","filing":"0001093557-26-000122","document":"wk-form4_1780349691.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000122/wk-form4_1780349691.xml","form_type":"4"}},{"id":757759,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":12603,"kind":"person","name":"Heller Bridgette P","position":1,"cik":"0001485616","reported_name":"Heller Bridgette P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:49.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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."}],"balance_after":30582,"source":{"system":"sec-edgar","filing":"0001093557-26-000121","document":"wk-form4_1780349687.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000121/wk-form4_1780349687.xml","form_type":"4"}},{"id":757758,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42921,"kind":"person","name":"Osterloh Albert Frederick IV","position":1,"cik":"0002111108","reported_name":"Osterloh Albert Frederick IV","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:45.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":1630,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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 8,691 unvested restricted stock units, 1,630 of which were granted on May 28, 2026 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders, and 7,061 of which were granted on February 26, 2026 and shall vest through February 26, 2029."}],"balance_after":8691,"source":{"system":"sec-edgar","filing":"0001093557-26-000120","document":"wk-form4_1780349682.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000120/wk-form4_1780349682.xml","form_type":"4"}},{"id":757757,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":30488,"kind":"person","name":"Driscoll Rimma","position":1,"cik":"0001952575","reported_name":"Driscoll Rimma","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:39.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5605,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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 6,941 unvested restricted stock units, 5,605 of which were granted on May 28, 2026 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders, and 1,336 of which were granted on August 24, 2023 and shall vest through August 24, 2026."}],"balance_after":17319,"source":{"system":"sec-edgar","filing":"0001093557-26-000119","document":"wk-form4_1780349676.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000119/wk-form4_1780349676.xml","form_type":"4"}},{"id":757756,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42920,"kind":"person","name":"Ashley Euan A.","position":1,"cik":"0002092523","reported_name":"Ashley Euan A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:32.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5565,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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 12,731 unvested restricted stock units, 5,565 of which were granted on May 28, 2026 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders, and 7,166 of which were granted on October 24, 2025 and shall vest through October 24, 2028."}],"balance_after":12731,"source":{"system":"sec-edgar","filing":"0001093557-26-000118","document":"wk-form4_1780349670.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000118/wk-form4_1780349670.xml","form_type":"4"}},{"id":757755,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42919,"kind":"person","name":"Collins Richard Alexander","position":1,"cik":"0001700619","reported_name":"Collins Richard Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:25.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5605,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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."}],"balance_after":5605,"source":{"system":"sec-edgar","filing":"0001093557-26-000117","document":"wk-form4_1780349662.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000117/wk-form4_1780349662.xml","form_type":"4"}},{"id":757754,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":32742,"kind":"person","name":"GALA RENEE D","position":1,"cik":"0001607737","reported_name":"GALA RENEE D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T21:34:19.000Z","date":"2026-05-28","kind":"grant","planned":false,"acquired":true,"shares":5605,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. 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 9,418 unvested restricted stock units, 5,605 of which were granted on May 28, 2026 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders, and 3,813 of which were granted on March 6, 2025 and shall vest through March 6, 2028."}],"balance_after":12486,"source":{"system":"sec-edgar","filing":"0001093557-26-000116","document":"wk-form4_1780349656.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000116/wk-form4_1780349656.xml","form_type":"4"}},{"id":762591,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO, and Director"}}],"security":"Common Stock","published_at":"2026-05-27T20:39:16.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":71.9,"value":104326.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 145,686 unvested restricted stock units, 104,516 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":420359,"source":{"system":"sec-edgar","filing":"0001093557-26-000099","document":"wk-form4_1779914354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000099/wk-form4_1779914354.xml","form_type":"4"}},{"id":762590,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief Legal Compliance Off"}}],"security":"Common Stock","published_at":"2026-05-27T20:39:11.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":71.9,"value":104326.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,753 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":108053,"source":{"system":"sec-edgar","filing":"0001093557-26-000098","document":"wk-form4_1779914348.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000098/wk-form4_1779914348.xml","form_type":"4"}},{"id":762589,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20079,"kind":"person","name":"Sylvain Jereme M","position":1,"cik":"0001681267","reported_name":"Sylvain Jereme M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financal Officer"}}],"security":"Common Stock","published_at":"2026-05-27T20:39:05.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":71.9,"value":104326.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 89,944 unvested restricted stock units, 48,774 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028,  8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":151841,"source":{"system":"sec-edgar","filing":"0001093557-26-000097","document":"wk-form4_1779914342.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000097/wk-form4_1779914342.xml","form_type":"4"}},{"id":762588,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP Chief People & Culture Off"}}],"security":"Common Stock","published_at":"2026-05-27T20:39:00.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1451,"price":71.9,"value":104326.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,753 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":130059,"source":{"system":"sec-edgar","filing":"0001093557-26-000096","document":"wk-form4_1779914337.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000096/wk-form4_1779914337.xml","form_type":"4"}},{"id":762586,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":41086,"kind":"person","name":"Coleman Jon","position":1,"cik":"0001442689","reported_name":"Coleman Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-05-27T20:38:54.000Z","date":"2026-05-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":7362,"price":71.9,"value":529327.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 95,450 unvested restricted stock units, 43,897 of which were granted on March 8, 2026 and shall vest through March 8, 2029, and 51,553 of which were granted on May 22, 2025 and shall vest through May 22, 2029."}],"balance_after":105273,"source":{"system":"sec-edgar","filing":"0001093557-26-000095","document":"wk-form4_1779914332.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000095/wk-form4_1779914332.xml","form_type":"4"}},{"id":764438,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-05-26T20:18:26.000Z","date":"2026-05-21","kind":"sale","planned":true,"acquired":false,"shares":26759,"price":72,"value":1926648.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 18, 2026, Mr. Sayer adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sayer. The shares set forth above were sold pursuant to the 10b5- 1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 106,972 unvested restricted stock units, 32,749 of which were granted on March 8, 2026 and shall vest through March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":382482,"source":{"system":"sec-edgar","filing":"0001093557-26-000089","document":"wk-form4_1779826702.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000089/wk-form4_1779826702.xml","form_type":"4"}},{"id":773071,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-05-19T20:34:28.000Z","date":"2026-05-15","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":59.91,"value":101847.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-\n1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 77,603 unvested RSUs, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall\nvest through March 8, 2028, 11,399 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8,\n2027."}],"balance_after":109504,"source":{"system":"sec-edgar","filing":"0001093557-26-000087","document":"wk-form4_1779222866.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000087/wk-form4_1779222866.xml","form_type":"4"}},{"id":779777,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":12603,"kind":"person","name":"Heller Bridgette P","position":1,"cik":"0001485616","reported_name":"Heller Bridgette P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-14T20:39:16.000Z","date":"2026-05-12","kind":"sale","planned":true,"acquired":false,"shares":1012,"price":60.01,"value":60730.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 14, 2025, Ms. Heller adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Heller. The shares set forth above were sold pursuant to the 10b5-1\nPlan."}],"balance_after":25007,"source":{"system":"sec-edgar","filing":"0001485616-26-000004","document":"wk-form4_1778791153.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000148561626000004/wk-form4_1778791153.xml","form_type":"4"}},{"id":785452,"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":"2026-05-11T23:13:20.000Z","date":"2026-05-08","kind":"gift","planned":false,"acquired":true,"shares":5046,"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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Kirschner/Augustinos Revocable Trust, with respect to which the reporting person is a trustee."}],"balance_after":38457,"source":{"system":"sec-edgar","filing":"0001093557-26-000081","document":"wk-form4_1778541197.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000081/wk-form4_1778541197.xml","form_type":"4"}},{"id":785451,"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":"2026-05-11T23:13:20.000Z","date":"2026-05-08","kind":"gift","planned":false,"acquired":false,"shares":5046,"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."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001093557-26-000081","document":"wk-form4_1778541197.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000081/wk-form4_1778541197.xml","form_type":"4"}},{"id":785454,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42919,"kind":"person","name":"Collins Richard Alexander","position":1,"cik":"0001700619","reported_name":"Collins Richard Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:13:14.000Z","date":"2026-05-08","kind":"gift","planned":false,"acquired":true,"shares":5074,"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 Richard A. Collins Revocable Trust upon vesting of previously awarded restricted stock units."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Richard A. 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Collins Revocable Trust upon vesting of previously awarded restricted stock units."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001093557-26-000080","document":"wk-form4_1778541192.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000080/wk-form4_1778541192.xml","form_type":"4"}},{"id":785450,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:13:08.000Z","date":"2026-05-08","kind":"gift","planned":false,"acquired":true,"shares":5731,"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 Mark G. and Mary E. Foletta, TTEE's for the Foletta Family Trust DTD 1/30/15, upon vesting of previously awarded restricted\nstock units."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Mark G. and Mary E. Foletta, TTEE's for the Foletta Family Trust DTD 1/30/15, with respect to which the reporting person is a trustee."}],"balance_after":56852,"source":{"system":"sec-edgar","filing":"0001093557-26-000079","document":"wk-form4_1778541186.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000079/wk-form4_1778541186.xml","form_type":"4"}},{"id":785449,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:13:08.000Z","date":"2026-05-08","kind":"gift","planned":false,"acquired":false,"shares":5731,"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 Mark G. and Mary E. 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Altman, TTEE's Altman Family Trust DTD 8/21/92, upon vesting of previously awarded restricted stock units."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Steven R. and Lisa J. Altman, TTEE's Altman Family Trust DTD 8/21/92, with respect to which the reporting person is a trustee."}],"balance_after":63667,"source":{"system":"sec-edgar","filing":"0001093557-26-000078","document":"wk-form4_1778541180.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000078/wk-form4_1778541180.xml","form_type":"4"}},{"id":785445,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":16562,"kind":"person","name":"ALTMAN STEVEN R","position":1,"cik":"0001191307","reported_name":"ALTMAN STEVEN R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-11T23:13:02.000Z","date":"2026-05-08","kind":"gift","planned":false,"acquired":false,"shares":5037,"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 Steven R. and Lisa J. Altman, TTEE's Altman Family Trust DTD 8/21/92, upon vesting of previously awarded restricted stock units."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001093557-26-000078","document":"wk-form4_1778541180.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000078/wk-form4_1778541180.xml","form_type":"4"}},{"id":807603,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-04-16T23:27:09.000Z","date":"2026-04-15","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":63.04,"value":107168.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-\n1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 77,603 unvested RSUs, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 11,399 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":111204,"source":{"system":"sec-edgar","filing":"0001093557-26-000065","document":"wk-form4_1776382026.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000065/wk-form4_1776382026.xml","form_type":"4"}},{"id":835786,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-03-18T20:07:04.000Z","date":"2026-03-16","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":64.85,"value":110245.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On November 26, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 77,603 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 11,399 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 7,237 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":112904,"source":{"system":"sec-edgar","filing":"0001093557-26-000052","document":"wk-form4_1773864421.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000052/wk-form4_1773864421.xml","form_type":"4"}},{"id":851899,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-03-10T20:02:03.000Z","date":"2026-03-08","kind":"tax_withholding","planned":false,"acquired":false,"shares":32498,"price":68.1,"value":2213113.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of RSUs and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 106,972 unvested RSUs, 32,749 of which were granted on March 8, 2026 and shall vest on March 8, 2027, 56,993 of which were granted on March 8, 2025 and shall vest through March 8, 2028, and 17,230 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":409241,"source":{"system":"sec-edgar","filing":"0001093557-26-000050","document":"wk-form4_1773172919.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000050/wk-form4_1773172919.xml","form_type":"4"}},{"id":851898,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-03-10T20:02:03.000Z","date":"2026-03-08","kind":"grant","planned":false,"acquired":true,"shares":32749,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units (RSUs) that are exempt from Section 16b-3 and are subject to vesting on the one year anniversary of the date of grant. 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RSUs represent a contingent right to receive one share of DexCom, Inc. 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RSUs represent a contingent right to receive one share of DexCom, Inc. Common Stock."}],"balance_after":148709,"source":{"system":"sec-edgar","filing":"0001093557-26-000047","document":"wk-form4_1773172900.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000047/wk-form4_1773172900.xml","form_type":"4"}},{"id":851885,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO, and Director"}}],"security":"Common Stock","published_at":"2026-03-10T20:01:36.000Z","date":"2026-03-08","kind":"tax_withholding","planned":false,"acquired":false,"shares":19757,"price":68.1,"value":1345451.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of RSUs and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 148,536 unvested RSUs, 104,516 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 11,399 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027."}],"balance_after":421810,"source":{"system":"sec-edgar","filing":"0001093557-26-000046","document":"wk-form4_1773172894.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000046/wk-form4_1773172894.xml","form_type":"4"}},{"id":851884,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO, and Director"}}],"security":"Common Stock","published_at":"2026-03-10T20:01:36.000Z","date":"2026-03-08","kind":"grant","planned":false,"acquired":true,"shares":104516,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units (RSUs) that are exempt from Section 16b-3 and are subject to vesting in three equal annual installments from the date of grant. RSUs represent a contingent right to receive one share of DexCom, Inc. Common Stock."}],"balance_after":441567,"source":{"system":"sec-edgar","filing":"0001093557-26-000046","document":"wk-form4_1773172894.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000046/wk-form4_1773172894.xml","form_type":"4"}},{"id":851883,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":41086,"kind":"person","name":"Coleman Jon","position":1,"cik":"0001442689","reported_name":"Coleman Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-03-10T20:01:31.000Z","date":"2026-03-08","kind":"grant","planned":false,"acquired":true,"shares":43897,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units (RSUs) that are exempt from Section 16b-3 and are subject to vesting in three equal annual installments from the date of grant. RSUs 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 112,635 unvested RSUs, 43,897 of which were granted on March 8, 2026 and shall vest through March 8, 2029, and 68,738 of which were granted on May 22, 2025 and shall vest through May 22, 2029."}],"balance_after":112635,"source":{"system":"sec-edgar","filing":"0001093557-26-000045","document":"wk-form4_1773172888.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000045/wk-form4_1773172888.xml","form_type":"4"}},{"id":880327,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42921,"kind":"person","name":"Osterloh Albert Frederick IV","position":1,"cik":"0002111108","reported_name":"Osterloh Albert Frederick IV","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-02-26T21:32:14.000Z","date":"2026-02-26","kind":"grant","planned":false,"acquired":true,"shares":7061,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units that are exempt from Section 16b-3 and are subject to vesting in three equal annual installments from the date of grant. Restricted stock units represent a contingent right to receive one share of DexCom, Inc. Common Stock."}],"balance_after":7061,"source":{"system":"sec-edgar","filing":"0001093557-26-000034","document":"wk-form4_1772141531.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000034/wk-form4_1772141531.xml","form_type":"4"}},{"id":902022,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":12603,"kind":"person","name":"Heller Bridgette P","position":1,"cik":"0001485616","reported_name":"Heller Bridgette P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-02-17T21:36:44.000Z","date":"2026-02-12","kind":"sale","planned":true,"acquired":false,"shares":1012,"price":68.01,"value":68826.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 14, 2025, Ms. Heller adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Heller. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 5,046 unvested restricted stock units which were granted on May 8, 2025 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2026 Annual Meeting of Stockholders."}],"balance_after":26019,"source":{"system":"sec-edgar","filing":"0001485616-26-000002","document":"wk-form4_1771364201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000148561626000002/wk-form4_1771364201.xml","form_type":"4"}},{"id":925716,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob 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17,368 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 8,465 of which were granted on March 8, 2023 and shall vest through\nMarch 8, 2026, and 102 additional shares acquired under the Issuer's Amended and Restated 2015 Employee Stock Purchase Plan."}],"balance_after":337051,"source":{"system":"sec-edgar","filing":"0001093557-26-000013","document":"wk-form4_1770068801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000013/wk-form4_1770068801.xml","form_type":"4"}},{"id":925715,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CEO, and Director"}}],"security":"Common 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March 8,\n2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 7,256 of which were granted on March 8, 2023 and shall vest\nthrough March 8, 2026."}],"balance_after":109690,"source":{"system":"sec-edgar","filing":"0001093557-26-000012","document":"wk-form4_1770068797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000012/wk-form4_1770068797.xml","form_type":"4"}},{"id":925713,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief HR Officer"}}],"security":"Common 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granted on March 8,\n2025 and shall vest through March 8, 2027, 17,368 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 7,256 of which were granted on March 8, 2023 and shall vest through\nMarch 8, 2026, and 79 additional shares acquired under the Issuer's Amended and Restated 2015 Employee Stock Purchase Plan."}],"balance_after":123207,"source":{"system":"sec-edgar","filing":"0001093557-26-000011","document":"wk-form4_1770068790.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000011/wk-form4_1770068790.xml","form_type":"4"}},{"id":925711,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20079,"kind":"person","name":"Sylvain Jereme M","position":1,"cik":"0001681267","reported_name":"Sylvain Jereme M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, 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granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8,\n2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 7,256 of which were granted on March 8, 2023 and shall vest through\nMarch 8, 2026, 12,040 of which were granted on March 8, 2022 and shall vest through March 8, 2026, and 83 additional shares acquired under the Issuer's Amended and Restated 2015 Employee Stock Purchase Plan."}],"balance_after":98655,"source":{"system":"sec-edgar","filing":"0001093557-26-000010","document":"wk-form4_1770068784.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000010/wk-form4_1770068784.xml","form_type":"4"}},{"id":925709,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael 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PSUs."}],"balance_after":101308,"source":{"system":"sec-edgar","filing":"0001093557-26-000010","document":"wk-form4_1770068784.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000010/wk-form4_1770068784.xml","form_type":"4"}},{"id":925708,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-02-02T21:46:22.000Z","date":"2026-01-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":34257,"price":73.36,"value":2513093.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of PSUs and does not represent a sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 138,091 unvested restricted stock units, 85,490 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 34,461 of which were granted on March 8,\n2024 and shall vest through March 8, 2027, and 18,140 of which were granted on March 9, 2023 and shall vest through March 8, 2026."}],"balance_after":408990,"source":{"system":"sec-edgar","filing":"0001093557-26-000009","document":"wk-form4_1770068780.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000009/wk-form4_1770068780.xml","form_type":"4"}},{"id":925707,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20527,"kind":"person","name":"SAYER KEVIN R","position":1,"cik":"0001286858","reported_name":"SAYER KEVIN R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2026-02-02T21:46:22.000Z","date":"2026-01-29","kind":"grant","planned":false,"acquired":true,"shares":71218,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issued to the Reporting Person upon vesting of performance-based restricted stock units (PSUs) granted to the Reporting Person on March 9, 2023, resulting from achievement of performance conditions under the PSUs."}],"balance_after":443247,"source":{"system":"sec-edgar","filing":"0001093557-26-000009","document":"wk-form4_1770068780.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355726000009/wk-form4_1770068780.xml","form_type":"4"}},{"id":998214,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42919,"kind":"person","name":"Collins Richard Alexander","position":1,"cik":"0001700619","reported_name":"Collins Richard Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-17T22:52:36.000Z","date":"2025-11-14","kind":"sale","planned":true,"acquired":false,"shares":2906,"price":59.05,"value":171599.3,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 7, 2025, the Richard A. Collins Revocable Trust (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. The shares set forth\nabove were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Richard A. Collins Revocable Trust, with respect to which the reporting person is a trustee."}],"balance_after":35088,"source":{"system":"sec-edgar","filing":"0001093557-25-000288","document":"wk-form4_1763419953.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000288/wk-form4_1763419953.xml","form_type":"4"}},{"id":1002741,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":12603,"kind":"person","name":"Heller Bridgette P","position":1,"cik":"0001485616","reported_name":"Heller Bridgette P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-12T22:14:37.000Z","date":"2025-11-12","kind":"sale","planned":true,"acquired":false,"shares":1012,"price":58.07,"value":58766.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 14, 2025, Ms. Heller adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Heller. The shares set forth above were sold pursuant to the 10b5-1\nPlan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 5,046 unvested restricted stock units which were granted on May 8, 2025 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2026 Annual Meeting of Stockholders."}],"balance_after":27031,"source":{"system":"sec-edgar","filing":"0001093557-25-000286","document":"wk-form4_1762985674.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000286/wk-form4_1762985674.xml","form_type":"4"}},{"id":1004198,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Common Stock","published_at":"2025-11-11T00:13:08.000Z","date":"2025-11-10","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":55.4252,"value":138563.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $55.34 to $55.55. The price above reflects the weighted average purchase 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 84,537 unvested restricted stock units, 35,906 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 17,368 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 8,465 of which were granted on March 8, 2023 and shall vest through March 8, 2026."}],"balance_after":331697,"source":{"system":"sec-edgar","filing":"0001093557-25-000284","document":"wk-form4_1762819985.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000284/wk-form4_1762819985.xml","form_type":"4"}},{"id":1004197,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20080,"kind":"person","name":"Leach Jacob Steven","position":1,"cik":"0001700255","reported_name":"Leach Jacob Steven","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & COO"}}],"security":"Common Stock","published_at":"2025-11-11T00:13:08.000Z","date":"2025-11-10","kind":"purchase","planned":false,"acquired":true,"shares":15700,"price":54.977,"value":863138.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $54.34 to $55.33. The price above reflects the weighted average purchase 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."}],"balance_after":329197,"source":{"system":"sec-edgar","filing":"0001093557-25-000284","document":"wk-form4_1762819985.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000284/wk-form4_1762819985.xml","form_type":"4"}},{"id":1004196,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42919,"kind":"person","name":"Collins Richard Alexander","position":1,"cik":"0001700619","reported_name":"Collins Richard Alexander","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-11T00:12:40.000Z","date":"2025-11-10","kind":"sale","planned":true,"acquired":false,"shares":3948,"price":55.17,"value":217811.16,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 7, 2025, the Richard A. Collins Revocable Trust (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. The shares set forth\nabove were sold pursuant to the 10b5-1 Plan."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares are held by the Richard A. Collins Revocable Trust, with respect to which the reporting person is a trustee."}],"balance_after":37994,"source":{"system":"sec-edgar","filing":"0001093557-25-000283","document":"wk-form4_1762819958.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000283/wk-form4_1762819958.xml","form_type":"4"}},{"id":1012802,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":42920,"kind":"person","name":"Ashley Euan A.","position":1,"cik":"0002092523","reported_name":"Ashley Euan A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-28T20:49:22.000Z","date":"2025-10-24","kind":"grant","planned":false,"acquired":true,"shares":7166,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units that are exempt from Section 16b-3 and are subject to vesting in three equal annual installments from the date of grant. Restricted stock units represent a contingent right to receive one share of DexCom, Inc. Common Stock."}],"balance_after":7166,"source":{"system":"sec-edgar","filing":"0001093557-25-000271","document":"wk-form4_1761684559.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000271/wk-form4_1761684559.xml","form_type":"4"}},{"id":1045193,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":117,"kind":"person","name":"Malady Kyle","position":1,"cik":"0001760581","reported_name":"Malady Kyle","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-09T20:18:20.000Z","date":"2025-09-05","kind":"sale","planned":true,"acquired":false,"shares":667,"price":80.86,"value":53933.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 6, 2025, Mr. Malady adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Malady. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 5,192 unvested restricted stock units which were granted on May 8, 2025 and shall vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2026 Annual Meeting of Stockholders."}],"balance_after":22667,"source":{"system":"sec-edgar","filing":"0001093557-25-000253","document":"wk-form4_1757449097.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000253/wk-form4_1757449097.xml","form_type":"4"}},{"id":1046251,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief HR Officer"}}],"security":"Common Stock","published_at":"2025-09-08T20:06:55.000Z","date":"2025-09-04","kind":"sale","planned":true,"acquired":false,"shares":1466,"price":80,"value":117280.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 20, 2025, Ms. Stern adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Stern. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,450 unvested restricted stock units, 29,922 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026."}],"balance_after":105223,"source":{"system":"sec-edgar","filing":"0001093557-25-000251","document":"wk-form4_1757362012.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000251/wk-form4_1757362012.xml","form_type":"4"}},{"id":1048544,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20079,"kind":"person","name":"Sylvain Jereme M","position":1,"cik":"0001681267","reported_name":"Sylvain Jereme M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financal Officer"}}],"security":"Common Stock","published_at":"2025-09-04T20:13:37.000Z","date":"2025-09-02","kind":"sale","planned":true,"acquired":false,"shares":4824,"price":74.17,"value":357796.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 27, 2025, Mr. Sylvain adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Sylvain. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 83,328 unvested restricted stock units, 35,906 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 17,368 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026."}],"balance_after":118657,"source":{"system":"sec-edgar","filing":"0001093557-25-000249","document":"wk-form4_1757016814.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000249/wk-form4_1757016814.xml","form_type":"4"}},{"id":1064500,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-08-18T21:56:28.000Z","date":"2025-08-15","kind":"sale","planned":true,"acquired":false,"shares":500,"price":80.29,"value":40145.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 21, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 86,490 unvested restricted stock units, 29,922 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026, and 12,040 of which were granted on March 8, 2022 and shall vest through March 8, 2026."}],"balance_after":94102,"source":{"system":"sec-edgar","filing":"0001093557-25-000247","document":"wk-form4_1755554185.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000247/wk-form4_1755554185.xml","form_type":"4"}},{"id":1064506,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-18T21:53:11.000Z","date":"2025-08-15","kind":"sale","planned":true,"acquired":false,"shares":195,"price":81.54,"value":15900.3,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by The Foletta Family Trust DTD 1/30/2015, with respect to which the reporting person is a trustee."}],"balance_after":51121,"source":{"system":"sec-edgar","filing":"0001093557-25-000245","document":"wk-form4_1755553988.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000245/wk-form4_1755553988.xml","form_type":"4"}},{"id":1064505,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-18T21:53:11.000Z","date":"2025-08-15","kind":"sale","planned":true,"acquired":false,"shares":2555,"price":81.0186,"value":207002.523,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2025, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. 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 $80.29 to $81.22. 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."}],"balance_after":51316,"source":{"system":"sec-edgar","filing":"0001093557-25-000245","document":"wk-form4_1755553988.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000245/wk-form4_1755553988.xml","form_type":"4"}},{"id":1080048,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief HR Officer"}}],"security":"Common Stock","published_at":"2025-07-29T20:18:05.000Z","date":"2025-07-28","kind":"sale","planned":true,"acquired":false,"shares":1466,"price":88.99,"value":130459.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 20, 2025, Ms. Stern adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Stern. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,450 unvested restricted stock units, 29,922 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026."}],"balance_after":106689,"source":{"system":"sec-edgar","filing":"0001093557-25-000234","document":"wk-form4_1753820279.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000234/wk-form4_1753820279.xml","form_type":"4"}},{"id":1085861,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-17T20:08:36.000Z","date":"2025-07-15","kind":"sale","planned":true,"acquired":false,"shares":8,"price":86.03,"value":688.24,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held by The Foletta Family Trust DTD 1/30/2015, with respect to which the reporting person is a trustee."}],"balance_after":53871,"source":{"system":"sec-edgar","filing":"0001093557-25-000228","document":"wk-form4_1752782910.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000228/wk-form4_1752782910.xml","form_type":"4"}},{"id":1085860,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-17T20:08:36.000Z","date":"2025-07-15","kind":"sale","planned":true,"acquired":false,"shares":2742,"price":85.1672,"value":233528.4624,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2025, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. 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 $84.815 to $85.44. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":53879,"source":{"system":"sec-edgar","filing":"0001093557-25-000228","document":"wk-form4_1752782910.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000228/wk-form4_1752782910.xml","form_type":"4"}},{"id":1085859,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-07-17T20:03:07.000Z","date":"2025-07-15","kind":"sale","planned":true,"acquired":false,"shares":500,"price":86.03,"value":43015.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 21, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 86,490 unvested restricted stock units, 29,922 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026, and 12,040 of which were granted on March 8, 2022 and shall vest through March 8, 2026."}],"balance_after":94602,"source":{"system":"sec-edgar","filing":"0001093557-25-000226","document":"wk-form4_1752782579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000226/wk-form4_1752782579.xml","form_type":"4"}},{"id":1091486,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":32742,"kind":"person","name":"GALA RENEE D","position":1,"cik":"0001607737","reported_name":"GALA RENEE D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-07T20:15:09.000Z","date":"2025-05-08","kind":"grant","planned":false,"acquired":true,"shares":1161,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The original Form 4, filed on May 12, 2025, is being amended by this Form 4 to correct a calculation error that misreported the number of unvested restricted stock units granted to the reporting person on May 8, 2025. This amendment correctly reports the number of unvested restricted stock units granted to the reporting person on May 8, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents unvested restricted stock units which were granted on May 8, 2025 and shall vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2026 Annual Meeting of Stockholders."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Included in this number are 6,881 unvested restricted stock units, 5,720 of which were granted on March 6, 2025 and shall vest through March 6, 2028 and 1,161 of which were granted on May 8,  2025 and shall vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2026 Annual Meeting of Stockholders."}],"balance_after":6881,"source":{"system":"sec-edgar","filing":"0001093557-25-000224","document":"wk-form4a_1751919300.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000224/wk-form4a_1751919300.xml","form_type":"4/A","original_submission_date":"2025-05-12"}},{"id":1099571,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":18844,"kind":"person","name":"Stern Sadie","position":1,"cik":"0001797971","reported_name":"Stern Sadie","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief HR Officer"}}],"security":"Common Stock","published_at":"2025-06-30T22:47:39.000Z","date":"2025-06-26","kind":"sale","planned":true,"acquired":false,"shares":1466,"price":85.06,"value":124697.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 20, 2025, Ms. Stern adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Stern. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 74,450 unvested restricted stock units, 29,922 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, and 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026."}],"balance_after":108155,"source":{"system":"sec-edgar","filing":"0001093557-25-000222","document":"wk-form4_1751323654.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000222/wk-form4_1751323654.xml","form_type":"4"}},{"id":1106806,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":26831,"kind":"person","name":"FOLETTA MARK G","position":1,"cik":"0001236389","reported_name":"FOLETTA MARK G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-18T20:31:58.000Z","date":"2025-06-16","kind":"sale","planned":true,"acquired":false,"shares":2750,"price":83.129,"value":228604.75,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 13, 2025, The Foletta Family Trust DTD 1/30/2015 (the \"Trust\") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. 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 $82.635 to $83.61. 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 Foletta Family Trust DTD 1/30/2015, with respect to which the reporting person is a trustee."}],"balance_after":56621,"source":{"system":"sec-edgar","filing":"0001093557-25-000218","document":"wk-form4_1750278712.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000218/wk-form4_1750278712.xml","form_type":"4"}},{"id":1106805,"issuer":{"id":3114,"kind":"organization","name":"DEXCOM INC","symbol":"DXCM"},"owners":[{"id":20078,"kind":"person","name":"Brown Michael Jon","position":1,"cik":"0001899922","reported_name":"Brown Michael Jon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Legal Officer"}}],"security":"Common Stock","published_at":"2025-06-18T20:31:27.000Z","date":"2025-06-16","kind":"sale","planned":true,"acquired":false,"shares":500,"price":82.8,"value":41400.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 21, 2025, Mr. Brown adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Brown. The shares set forth above were sold pursuant to the 10b5-1 Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Included in this number are 86,490 unvested restricted stock units, 29,922 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 22,798 of which were granted on March 8, 2025 and shall vest through March 8, 2027, 14,474 of which were granted on March 8, 2024 and shall vest through March 8, 2027, 7,256 of which were granted on March 8, 2023 and shall vest through March 8, 2026, and 12,040 of which were granted on March 8, 2022 and shall vest through March 8, 2026."}],"balance_after":95102,"source":{"system":"sec-edgar","filing":"0001093557-25-000217","document":"wk-form4_1750278680.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000217/wk-form4_1750278680.xml","form_type":"4"}},{"id":1108732,"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":"2025-06-17T21:33:16.000Z","date":"2025-06-16","kind":"sale","planned":true,"acquired":false,"shares":3672,"price":82.8,"value":304041.6,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 14, 2025, Mr. Augustinos adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos. 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 Kirschner/Augustinos Revocable Trust, with respect to which the reporting person is a trustee."}],"balance_after":33411,"source":{"system":"sec-edgar","filing":"0001093557-25-000212","document":"wk-form4_1750195990.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000212/wk-form4_1750195990.xml","form_type":"4"}},{"id":1108731,"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":"2025-06-17T21:33:16.000Z","date":"2025-06-13","kind":"sale","planned":true,"acquired":false,"shares":2618,"price":81.69,"value":213864.42,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 14, 2025, Mr. Augustinos adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Mr. Augustinos. 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 Kirschner/Augustinos Revocable Trust, with respect to which the reporting person is a trustee."}],"balance_after":37083,"source":{"system":"sec-edgar","filing":"0001093557-25-000212","document":"wk-form4_1750195990.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1093557/000109355725000212/wk-form4_1750195990.xml","form_type":"4"}}],"next_cursor":"2025-06-17T21:33:16.000000Z,1108731"}