---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-057954"
form_type: "8-K"
ticker: "APH"
cik: "0000820313"
company_name: "AMPHENOL CORP /DE/"
filed_at: "2025-06-10T23:59:59+00:00"
generated_at: "2026-05-19T16:31:41.906203+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Amphenol prices $750M 4.375% Senior Notes due 2028; also plans euro-denominated notes

## Summary
- Amphenol priced $750M 4.375% Senior Notes due 2028; closing June 12, 2025.
- Net proceeds to repay U.S. commercial paper and for general corporate purposes.
- Concurrent euro-denominated notes offering planned; offerings not contingent on each other.
- Joint book-running managers: Citigroup, Mizuho, TD Securities.

## SEC filing metadata
- accession: 0001104659-25-057954
- form_type: 8-K
- ticker: APH
- cik: 0000820313
- company_name: AMPHENOL CORP /DE/
- filed_at: 2025-06-10T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/820313/000110465925057954/0001104659-25-057954-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/820313/000110465925057954/tm2517484d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-057954
- JSON: https://secwatch.observer/filing/0001104659-25-057954.json
- Plain text: https://secwatch.observer/filing/0001104659-25-057954.txt

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