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: Silverman David M CIK: 0001609767 Role: Officer (EVP, Human Resources) --- Derivative Transactions --- [Transaction #1] Security: Stock Option Date: 2026-05-22 | Code: A (Grant or award) Shares: +70,690 | Price: $0.00 Exercisable: N/A | Expires: 2036-05-22 Shares Owned After: 70,690 | Ownership: D (Direct) Footnotes: [F2] 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) Footnotes: [F1] Includes 3,172 shares transferred from the reporting person's 2025 GRAT #1 since the date of his last Form 4. [Holding #2] Security: Class A Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Includes 3,172 shares transferred from the reporting person's 2025 GRAT #1 since the date of his last Form 4. F2: 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)