---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-131265"
form_type: "8-K"
ticker: "DXCM"
cik: "0001093557"
company_name: "DEXCOM INC"
filed_at: "2023-05-02T23:59:59+00:00"
generated_at: "2026-06-16T02:37:45.473763+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Dexcom proposes $1.0B convertible notes due 2028; plans $250M share buyback

## Summary
- Offering $1.0B aggregate principal of Convertible Senior Notes due 2028, with option for up to $150M additional.
- Interest semi-annual; maturity May 15, 2028; convertible upon conditions prior to Feb 2028, freely thereafter.
- Concurrent repurchase of up to $250M of common stock in privately negotiated transactions via initial purchasers.
- Net proceeds also for capital expenditures, working capital, corporate purposes, potential acquisitions.
- Plans capped call transactions to reduce dilution on conversion; cap price to be determined at pricing.

## SEC filing metadata
- accession: 0001193125-23-131265
- form_type: 8-K
- ticker: DXCM
- cik: 0001093557
- company_name: DEXCOM INC
- filed_at: 2023-05-02T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1093557/000119312523131265/0001193125-23-131265-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1093557/000119312523131265/d462275d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-131265
- JSON: https://secwatch.observer/filing/0001193125-23-131265.json
- Plain text: https://secwatch.observer/filing/0001193125-23-131265.txt

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