Amphenol (APH)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-05 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMPHENOL CORP /DE/ (APH) CIK: 0000820313 --- Reporting Owner --- Name: Silverman David M CIK: 0001609767 Role: Officer (EVP, Human Resources) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-08-05 | Code: M (Exercise of derivative) Shares: +120,000 | Price: $22.00 Total Value: $2,639,400.00 Shares Owned After: 135,672 | Ownership: D (Direct) [Transaction #2] Security: Class A Common Stock Date: 2026-08-05 | Code: S (Open market sale) Shares: -120,000 | Price: $174.24 Total Value: $20,908,476.00 Shares Owned After: 15,672 | Ownership: D (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 $174.00 to $174.50. --- Derivative Transactions --- [Transaction #1] Security: Stock Option Date: 2026-08-05 | Code: M (Exercise of derivative) Shares: -120,000 | Price: $0.00 Exercisable: N/A | Expires: 2028-05-18 Shares Owned After: 120,000 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Class A Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- 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 $174.00 to $174.50. --- Signature --- /s/ /s/ Lance E. D'Amico, POA (2026-08-05)