AMPHENOL CORP /DE/ — Director's Dealing 2025

Nov 13, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMPHENOL CORP /DE/ (APH)
CIK: 0000820313
Period of Report: 2025-11-11

Reporting Person: Lampo Craig A (SR VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-11	Class A Common Stock	M	300000	$21.995	Acquired	425695	Direct
2025-11-11	Class A Common Stock	S	258000	$143.2022	Disposed	167695	Direct
2025-11-11	Class A Common Stock	M	40076	$21.995	Acquired	79960	Indirect
2025-11-11	Class A Common Stock	S	40076	$143.5015	Disposed	39884	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-11	Stock Option	$21.995	M	300000	Disposed	2028-05-18	Class A Common Stock (300000)	Direct
2025-11-11	Stock Option	$21.995	M	40076	Disposed	2028-05-18	Class A Common Stock (40076)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	58116	Indirect
Class A Common Stock	74305	Indirect
Class A Common Stock	160000	Indirect

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 $142.5000 to $143.8400.

F3: This transaction was executed in multiple trades ranging from $143.5000 to $143.5708.