AMPHENOL CORP /DE/ — Director's Dealing 2025

Dec 2, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMPHENOL CORP /DE/ (APH)
CIK: 0000820313
Period of Report: 2025-12-02

Reporting Person: Straub Peter (President, ISS Division)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-02	Class A Common Stock	M	132000	$22.55	Acquired	132000	Direct
2025-12-02	Class A Common Stock	S	132000	$141.8397	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-02	Stock Option	$22.55	M	132000	Disposed	2030-05-21	Class A Common Stock (132000)	Direct

Footnotes

F1: The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of
shares and prices at which the transaction was effected.

F2: This transaction was executed in multiple trades ranging from $141.5200 to $141.9050.