AMPHENOL CORP /DE/ — Director's Dealing 2025

Oct 27, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMPHENOL CORP /DE/ (APH)
CIK: 0000820313
Period of Report: 2025-10-24

Reporting Person: WALTER LUC (President, HES Division)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-24	Class A Common Stock	M	212800	$33.295	Acquired	646542	Direct
2025-10-24	Class A Common Stock	S	212800	$134.6508	Disposed	433742	Direct
2025-10-24	Class A Common Stock	M	152318	$43.25	Acquired	586060	Direct
2025-10-24	Class A Common Stock	S	152318	$134.6508	Disposed	433742	Direct
2025-10-24	Class A Common Stock	G	80000	—	Disposed	353742	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-24	Stock Option	$33.295	M	212800	Disposed	2031-05-20	Class A Common Stock (212800)	Direct
2025-10-24	Stock Option	$43.25	M	152318	Disposed	2032-01-03	Class A Common Stock (152318)	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 at prices ranging from $133.5000 to $136.8375.

F3: Closing price on date shares were gifted was $133.82.