| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Erickson Michael G | Executive Vice President | ONE IDEXX DRIVE, WESTBROOK | /s/ Lily J. Lu, Attorney-in-Fact for Michael G. Erickson | 2025-08-14 | 0002005385 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Common Stock | Sale | -$207K | -318 | -2.72% | $649.99 | 11.4K | Aug 12, 2025 | Direct | F1 |
| transaction | IDXX | Common Stock | Sale | -$57.1K | -87.9 | -0.77% | $649.85 | 11.3K | Aug 12, 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Includes a total of 26.4960 shares purchased under the Issuer Employee Stock Purchase Plan on March 31, 2025 and June 30, 2025. |
| F2 | Represents the weighted average price of the shares sold ranging from a low of $649.8492 to a high of $650.00 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price. |