{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-270913","form_type":"8-K","ticker":"DXCM","cik":"0001093557","company_name":"DEXCOM INC","filed_at":"2021-09-13T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.129908+00:00","generated_at":"2026-06-29T04:04:31.037535+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"DexCom COO Quentin Blackford resigns effective Sept 17 to pursue other opportunity","bullets":["Quentin Blackford notified DexCom of resignation as Chief Operating Officer, effective Sept 17, 2021.","Resignation is to pursue another employment opportunity; no replacement was announced.","Departure not related to any disagreement with DexCom on operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-270913","json":"https://secwatch.observer/filing/0001193125-21-270913.json","markdown":"https://secwatch.observer/filing/0001193125-21-270913.md","text":"https://secwatch.observer/filing/0001193125-21-270913.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1093557/000119312521270913/0001193125-21-270913-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1093557/000119312521270913/d210316d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T04:04:31.037535+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"eed702eccf","claim":"Quentin Blackford resigned as Chief Operating Officer at DEXCOM INC.","evidence_excerpt":"On September 8, 2021, DexCom, Inc. (“ Dexcom ”) received notice from Quentin Blackford of his intention to resign as Chief Operating Officer of Dexcom effective on September 17, 2021, in order to pursue another employment opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1093557/000119312521270913/0001193125-21-270913-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}