| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hunt Nimrata | Executive Vice President | ONE IDEXX DRIVE, WESTBROOK | /s/ Lily J. Lu, Attorney-in-Fact for Nimrata Hunt | 10 Nov 2025 | 0001800619 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Common Stock | Options Exercise | $2,057,558 | +7,125 | +39% | $288.78 | 25,169 | 07 Nov 2025 | Direct | F1 |
| transaction | IDXX | Common Stock | Options Exercise | $2,732,390 | +5,405 | +21% | $505.53 | 30,574 | 07 Nov 2025 | Direct | |
| transaction | IDXX | Common Stock | Sale | $3,591,059 | -5,114 | -17% | $702.20 | 25,460 | 07 Nov 2025 | Direct | F2 |
| transaction | IDXX | Common Stock | Sale | $1,030,970 | -1,465 | -5.8% | $703.73 | 23,995 | 07 Nov 2025 | Direct | F3 |
| transaction | IDXX | Common Stock | Sale | $1,034,743 | -1,468 | -6.1% | $704.87 | 22,527 | 07 Nov 2025 | Direct | F4 |
| transaction | IDXX | Common Stock | Sale | $972,241 | -1,378 | -6.1% | $705.54 | 21,149 | 07 Nov 2025 | Direct | F5 |
| holding | IDXX | Common Stock | 160 | 07 Nov 2025 | jointly with spouse |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | $0 | -7,125 | -100% | $0.000000 | 0 | 07 Nov 2025 | Common Stock | 7,125 | $288.78 | Direct | F6 |
| transaction | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | $0 | -5,405 | -77% | $0.000000 | 1,604 | 07 Nov 2025 | Common Stock | 5,405 | $505.53 | Direct | F7 |
| Id | Content |
|---|---|
| F1 | Includes 11 shares purchased under the Issuer Employee Stock Purchase Plan on September 30, 2025. |
| F2 | Represents the weighted average price of the shares sold ranging from a low of $702.00 to a high of $703.00 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. |
| F3 | Represents the weighted average price of the shares sold ranging from a low of $703.05 to a high of $703.97 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. |
| F4 | Represents the weighted average price of the shares sold ranging from a low of $704.235 to a high of $705.175 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. |
| F5 | Represents the weighted average price of the shares sold ranging from a low of $705.26 to a high of $705.92 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. |
| F6 | Grant of option to buy shares of Issuer common stock that vested in four annual installments beginning February 14, 2021. |
| F7 | Grant of option to buy shares of Issuer common stock that becomes exercisable in four annual installments beginning February 14, 2023. |