| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Underberg Sharon E. | EVP, GC & Corporate Secretary | ONE IDEXX DRIVE, WESTBROOK | /s/ Lily J. Lu, Attorney-in-Fact for Sharon E. Underberg | 05 Mar 2026 | 0001630353 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Common Stock | Options Exercise | +197 | +2.8% | $505.53* | 7,138 | 03 Mar 2026 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | -197 | -100% | 0 | 03 Mar 2026 | Common Stock | 197 | $505.53 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Grant of option to buy shares of Issuer common stock that vested on February 14, 2026. |
| F2 | Not applicable. |