---
schema_version: "secwatch.filing_event.v1"
accession: "0001093557-25-000088"
form_type: "8-K"
ticker: "DXCM"
cik: "0001093557"
company_name: "DEXCOM INC"
filed_at: "2025-03-25T23:59:59+00:00"
generated_at: "2026-05-24T05:30:06.611029+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# DexCom dismisses Ernst & Young, appoints Deloitte as auditor for FY2025

## Summary
- Audit committee dismissed EY on March 21, 2025; Deloitte & Touche engaged same day.
- No disagreements or reportable events occurred in fiscal years 2024 or 2023.
- Deloitte appointed as independent auditor for the fiscal year ending December 31, 2025.
- No prior consultations with Deloitte on accounting principles or audit issues.

## SEC filing metadata
- accession: 0001093557-25-000088
- form_type: 8-K
- ticker: DXCM
- cik: 0001093557
- company_name: DEXCOM INC
- filed_at: 2025-03-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1093557/000109355725000088/0001093557-25-000088-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1093557/000109355725000088/dxcm-20250321.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001093557-25-000088
- JSON: https://secwatch.observer/filing/0001093557-25-000088.json
- Plain text: https://secwatch.observer/filing/0001093557-25-000088.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.