---
schema_version: "secwatch.filing_event.v1"
accession: "0001093557-23-000191"
form_type: "8-K"
ticker: "DXCM"
cik: "0001093557"
company_name: "DEXCOM INC"
filed_at: "2023-08-28T23:59:59+00:00"
generated_at: "2026-06-11T02:47:57.178626+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Dexcom appoints Rimma Driscoll to Board of Directors; fills audit/tech committee seats

## Summary
- Rimma Driscoll elected to Board effective August 24, 2023.
- She replaces Nicholas Augustinos on Audit and Technology Committees.
- Ms. Driscoll is EVP at Zoetis, leading global strategy, commercial and business development.
- She received initial RSU grant valued at $500,000 vesting over 3 years.
- Board determined she qualifies as independent under Nasdaq and SEC rules.

## SEC filing metadata
- accession: 0001093557-23-000191
- form_type: 8-K
- ticker: DXCM
- cik: 0001093557
- company_name: DEXCOM INC
- filed_at: 2023-08-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1093557/000109355723000191/0001093557-23-000191-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1093557/000109355723000191/dxcm-20230824.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001093557-23-000191
- JSON: https://secwatch.observer/filing/0001093557-23-000191.json
- Plain text: https://secwatch.observer/filing/0001093557-23-000191.txt

## Key facts
- Executive change
  Rimma Driscoll was elected as Director at DEXCOM INC.
  - Action: elected
  - Role: Director
  source text: Effective on August 24, 2023, the Board of Directors (the “Board”) of DexCom, Inc. (“Dexcom”) elected Rimma Driscoll to fill a vacancy on the Board and to replace Nicholas Augustinos as a member of the Audit Committee of the Board and the Technology Committee of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1093557/000109355723000191/0001093557-23-000191-index.htm

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