---
schema_version: "secwatch.filing_event.v1"
accession: "0001022079-23-000172"
form_type: "8-K"
ticker: "DGX"
cik: "0001022079"
company_name: "QUEST DIAGNOSTICS INC"
filed_at: "2023-11-01T23:59:59+00:00"
generated_at: "2026-06-09T01:48:43.217888+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Quest Diagnostics issues $750M of 6.400% senior notes due 2033

## Summary
- $750M aggregate principal; 6.400% coupon; mature Nov 30, 2033; interest paid semi-annually May 30 & Nov 30.
- Proceeds for general corporate purposes, may redeem/repay $300M of 4.25% senior notes due 2024 and credit facility borrowings.
- Offering priced Oct 30, 2023; closed Nov 1, 2023; joint book-runners Goldman Sachs, Mizuho, Morgan Stanley.

## SEC filing metadata
- accession: 0001022079-23-000172
- form_type: 8-K
- ticker: DGX
- cik: 0001022079
- company_name: QUEST DIAGNOSTICS INC
- filed_at: 2023-11-01T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022079/000102207923000172/0001022079-23-000172-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022079/000102207923000172/dgx-20231030.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001022079-23-000172
- JSON: https://secwatch.observer/filing/0001022079-23-000172.json
- Plain text: https://secwatch.observer/filing/0001022079-23-000172.txt

## Key facts
- Material Agreements
  QUEST DIAGNOSTICS INC entered into Indenture with The Bank of New York Mellon valued at $750,000,000 aggregate principal amount (effective 2023-11-01).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: The Bank of New York Mellon
  - Value: $750,000,000 aggregate principal amount
  - Effective: 2023-11-01
  source text: On November 1, 2023, Quest Diagnostics Incorporated (the “Company”) issued $750,000,000 aggregate principal amount of 6.400% senior notes due 2033 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022079/000102207923000172/0001022079-23-000172-index.htm

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