AMPHENOL CORP /DE/ — Director's Dealing 2025

Oct 30, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMPHENOL CORP /DE/ (APH)
CIK: 0000820313
Period of Report: 2025-10-29

Reporting Person: D'AMICO LANCE E (Sr. VP, Secretary & GenCounsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-29	Class A Common Stock	M	120000	$22.5525	Acquired	196400	Direct
2025-10-29	Class A Common Stock	S	120000	$140.0129	Disposed	76400	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-29	Stock Option	$22.5525	M	120000	Disposed	2030-05-21	Class A Common Stock (120000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	25000	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 $139.71 to $140.53.