---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-215880"
form_type: "8-K"
ticker: "ADP"
cik: "0000008670"
company_name: "AUTOMATIC DATA PROCESSING INC"
filed_at: "2024-09-09T23:59:59+00:00"
generated_at: "2026-05-31T05:59:29.179201+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# ADP issues $1B of 4.450% senior notes due 2034

## Summary
- Issued $1B aggregate principal of 4.450% senior notes due 2034.
- Underwriters include BofA Securities, J.P. Morgan, Morgan Stanley.
- Notes issued on Sept 9, 2024 under existing shelf registration.
- Coupon 4.450%, maturity 2034.

## SEC filing metadata
- accession: 0001193125-24-215880
- form_type: 8-K
- ticker: ADP
- cik: 0000008670
- company_name: AUTOMATIC DATA PROCESSING INC
- filed_at: 2024-09-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/8670/000119312524215880/0001193125-24-215880-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/8670/000119312524215880/d885263d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-215880
- JSON: https://secwatch.observer/filing/0001193125-24-215880.json
- Plain text: https://secwatch.observer/filing/0001193125-24-215880.txt

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