---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-058878"
form_type: "8-K"
ticker: "APH"
cik: "0000820313"
company_name: "AMPHENOL CORP /DE/"
filed_at: "2025-06-12T23:59:59+00:00"
generated_at: "2026-05-19T11:56:45.606964+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Amphenol issues $750M 4.375% notes due 2028, plans €600M 3.125% notes due 2032

## Summary
- Issued $750M 4.375% senior notes due June 12, 2028; net proceeds ~$744.5M.
- Priced €600M 3.125% senior notes due 2032; closing expected June 16, 2025.
- Proceeds from both offerings to repay U.S. commercial paper and for general corporate purposes.
- Notes are unsecured, unsubordinated, rank equally with other senior debt.
- Make-whole redemption available before May 12, 2028; par call thereafter.

## SEC filing metadata
- accession: 0001104659-25-058878
- form_type: 8-K
- ticker: APH
- cik: 0000820313
- company_name: AMPHENOL CORP /DE/
- filed_at: 2025-06-12T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/820313/000110465925058878/0001104659-25-058878-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/820313/000110465925058878/tm2517691d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-058878
- JSON: https://secwatch.observer/filing/0001104659-25-058878.json
- Plain text: https://secwatch.observer/filing/0001104659-25-058878.txt

## Key facts
- Debt Financings
  AMPHENOL CORP /DE/ incurred senior notes of $750,000,000 aggregate principal amount with Citigroup Global Markets Inc., Mizuho Securities USA LLC and TD Securities (USA) LLC at 4.375% maturing June 12, 2028.
  - Instrument: senior notes
  - Principal: $750,000,000 aggregate principal amount
  - Counterparty: Citigroup Global Markets Inc., Mizuho Securities USA LLC and TD Securities (USA) LLC
  - Rate: 4.375%
  - Maturity: June 12, 2028
  - Event: incurrence
  source text: On June 12, 2025, Amphenol Corporation (the “Company”) issued and sold $750,000,000 aggregate principal amount of the Company’s 4.375% Senior Notes due 2028
  evidence_url: https://www.sec.gov/Archives/edgar/data/820313/000110465925058878/0001104659-25-058878-index.htm

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