---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-033968"
form_type: "8-K"
ticker: "APH"
cik: "0000820313"
company_name: "AMPHENOL CORP /DE/"
filed_at: "2026-03-24T23:59:59+00:00"
generated_at: "2026-05-15T09:18:05.480309+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Amphenol subsidiary prices €500M 3.625% senior notes due 2031; proceeds to repay 2026 notes

## Summary
- Amphenol Technologies Holding GmbH issued €500M aggregate principal of 3.625% senior notes due 2031.
- Notes are guaranteed by Amphenol Corporation (NYSE: APH).
- Closing expected March 30, 2026, subject to customary conditions.
- Net proceeds to repay Amphenol Technologies' outstanding 0.750% Euro notes due 2026 at maturity and for general corporate purposes.

## SEC filing metadata
- accession: 0001104659-26-033968
- form_type: 8-K
- ticker: APH
- cik: 0000820313
- company_name: AMPHENOL CORP /DE/
- filed_at: 2026-03-24T23:59:59+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/820313/000110465926033968/0001104659-26-033968-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/820313/000110465926033968/tm267510d9_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-033968
- JSON: https://secwatch.observer/filing/0001104659-26-033968.json
- Plain text: https://secwatch.observer/filing/0001104659-26-033968.txt

## Key facts
- Material Agreements
  AMPHENOL CORP /DE/ entered into Amphenol Technologies Underwriting Agreement with Barclays Bank PLC, Citigroup Global Markets Europe AG, Commerzbank Aktiengesellschaft, HSBC Bank plc, BofA Securities Europe SA, Goldman Sachs & Co. LLC, TD Global Finance unlimited company, U.S. Bancorp Investments, Inc., Loop Capital Markets LLC and Siebert Williams Shank & Co., LLC valued at €500,000,000 aggregate principal amount (effective 2026-03-24).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Barclays Bank PLC, Citigroup Global Markets Europe AG, Commerzbank Aktiengesellschaft, HSBC Bank plc, BofA Securities Europe SA, Goldman Sachs & Co. LLC, TD Global Finance unlimited company, U.S. Bancorp Investments, Inc., Loop Capital Markets LLC and Siebert Williams Shank & Co., LLC
  - Value: €500,000,000 aggregate principal amount
  - Effective: 2026-03-24
  source text: On March 24, 2026, Amphenol Technologies Holding GmbH (“Amphenol Technologies”), a German limited liability company ( Gesellschaft mit beschränkter Haftung ) and wholly-owned indirect subsidiary of Amphenol Corporation (the “Company”), entered into an underwriting agreement (the “Amphenol Technologies Underwriting Agreement”) by and among Amphenol Technologies, as issuer, the Company, as guarantor, and Barclays Bank PLC, Citigroup Global Markets Europe AG, Commerzbank Aktiengesellschaft, HSBC Bank plc , BofA Securities Europe SA, Goldman Sachs & Co. LLC, TD Global Finance unlimited company, U.S. Bancorp Investments, Inc., Loop Capital Markets LLC and Siebert Williams Shank & Co., LLC, relating to the offer and sale of €500,000,000 aggregate principal amount of Amphenol Technologies’ 3.625% Senior Notes due 2031 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/820313/000110465926033968/0001104659-26-033968-index.htm

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