AMPHENOL CORP /DE/ (APH) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-22 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMPHENOL CORP /DE/ (APH) CIK: 0000820313 --- Reporting Owner --- Name: Lampo Craig A CIK: 0001303827 Role: Officer (Executive VP & CFO) --- Derivative Transactions --- [Transaction #1] Security: Stock Option Date: 2026-05-22 | Code: A (Grant or award) Shares: +133,161 | Price: $0.00 Exercisable: N/A | Expires: 2036-05-22 Shares Owned After: 133,161 | Ownership: D (Direct) Footnotes: [F1] Date Exercisable: 20% per year over a five year period commencing on the first anniversary of date of grant. --- Holdings --- [Holding #1] Security: Class A Common Stock Ownership: D (Direct) [Holding #2] Security: Class A Common Stock Ownership: I (Indirect) [Holding #3] Security: Class A Common Stock Ownership: I (Indirect) [Holding #4] Security: Class A Common Stock Ownership: I (Indirect) [Holding #5] Security: Class A Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Date Exercisable: 20% per year over a five year period commencing on the first anniversary of date of grant. --- Signature --- /s/ /s/ Lance E. D'Amico, POA (2026-05-27)