---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-137248"
form_type: "8-K"
ticker: "DXCM"
cik: "0001093557"
company_name: "DEXCOM INC"
filed_at: "2023-05-05T23:59:59+00:00"
generated_at: "2026-06-15T15:50:33.551986+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# DexCom completes $1.25B convertible notes offering, buys back $188.7M of common stock

## Summary
- Issued $1.25B of 0.375% convertible senior notes due 2028, including full exercise of $150M additional note option.
- Net proceeds estimated at ~$1.23B; used $101.3M for capped call transactions and $188.7M to repurchase common stock.
- Initial conversion rate 6.1571 shares per $1,000 principal (conversion price ~$162.41); notes mature May 15, 2028.
- Entered capped call transactions with counterparties to reduce potential dilution upon conversion, with cap price ~$212.62.
- Remaining proceeds to be used for capex, working capital, and general corporate purposes.

## SEC filing metadata
- accession: 0001193125-23-137248
- form_type: 8-K
- ticker: DXCM
- cik: 0001093557
- company_name: DEXCOM INC
- filed_at: 2023-05-05T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 8.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1093557/000119312523137248/0001193125-23-137248-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1093557/000119312523137248/d300995d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-137248
- JSON: https://secwatch.observer/filing/0001193125-23-137248.json
- Plain text: https://secwatch.observer/filing/0001193125-23-137248.txt

## Key facts
- Material Agreements
  DEXCOM INC entered into a notes offering with Initial Purchasers valued at $1.25 billion (effective 2023-05-05).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: Initial Purchasers
  - Value: $1.25 billion
  - Effective: 2023-05-05
  source text: On May 5, 2023, DexCom, Inc. (the “ Company ”) completed its previously announced sale of $1.25 billion in aggregate principal amount of its 0.375% Convertible Senior Notes due 2028 (the “ Notes ”), which includes the full exercise of the Initial Purchasers’ option to purchase up to an additional $150.0 million in aggregate principal amount of Notes, to the Initial Purchasers (as defined below) in a private placement
  evidence_url: https://www.sec.gov/Archives/edgar/data/1093557/000119312523137248/0001193125-23-137248-index.htm

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