| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| D'AMICO LANCE E | Sr. VP, Secretary & GenCounsel | C/O AMPHENOL CORPORATION, 358 HALL AVENUE, WALLINGFORD | /s/ Lance E. D'Amico | 30 Oct 2025 | 0001383877 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | APH | Class A Common Stock | Options Exercise | $2,706,300 | +120,000 | +157% | $22.55 | 196,400 | 29 Oct 2025 | Direct | |
| transaction | APH | Class A Common Stock | Sale | $16,801,548 | -120,000 | -61% | $140.01 | 76,400 | 29 Oct 2025 | Direct | F1, F2 |
| holding | APH | Class A Common Stock | 25,000 | 29 Oct 2025 | By Lance E. D'Amico 2025 GRAT #1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | APH | Stock Option | Options Exercise | $0 | -120,000 | -55% | $0.000000 | 100,000 | 29 Oct 2025 | Class A Common Stock | 120,000 | $22.55 | Direct |
| Id | Content |
|---|---|
| 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. |