| 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 | 19 Feb 2026 | 0002005385 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Common Stock | Options Exercise | $168,646 | +1,191 | +9.4% | $141.60 | 13,884 | 17 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $745,127 | +4,180 | +30% | $178.26 | 18,064 | 17 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Sale | $284,434 | -456 | -2.5% | $623.76 | 17,608 | 17 Feb 2026 | Direct | F1 |
| transaction | IDXX | Common Stock | Sale | $127,549 | -204 | -1.2% | $625.24 | 17,404 | 17 Feb 2026 | Direct | F2 |
| transaction | IDXX | Common Stock | Sale | $806,618 | -1,288 | -7.4% | $626.26 | 16,116 | 17 Feb 2026 | Direct | F3 |
| transaction | IDXX | Common Stock | Sale | $1,692,427 | -2,694 | -17% | $628.22 | 13,422 | 17 Feb 2026 | Direct | F4 |
| transaction | IDXX | Common Stock | Sale | $433,443 | -689 | -5.1% | $629.09 | 12,733 | 17 Feb 2026 | Direct | F5 |
| transaction | IDXX | Common Stock | Sale | $25,194 | -40 | -0.31% | $629.86 | 12,693 | 17 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $101,810 | +719 | +5.7% | $141.60 | 13,412 | 19 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $145,638 | +817 | +6.1% | $178.26 | 14,229 | 19 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $99,952 | +483 | +3.4% | $206.94 | 14,712 | 19 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $99,567 | +183 | +1.2% | $544.08 | 14,895 | 19 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $99,589 | +197 | +1.3% | $505.53 | 15,092 | 19 Feb 2026 | Direct | F6 |
| 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 | -1,191 | -100% | $0.000000 | 0 | 17 Feb 2026 | Common Stock | 1,191 | $141.60 | Direct | F7 |
| transaction | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | $0 | -4,180 | -100% | $0.000000 | 0 | 17 Feb 2026 | Common Stock | 4,180 | $178.26 | Direct | F8 |
| transaction | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | $0 | -719 | -100% | $0.000000 | 0 | 19 Feb 2026 | Common Stock | 719 | $141.60 | Direct | F9 |
| transaction | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | $0 | -817 | -100% | $0.000000 | 0 | 19 Feb 2026 | Common Stock | 817 | $178.26 | Direct | F10 |
| transaction | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | $0 | -483 | -100% | $0.000000 | 0 | 19 Feb 2026 | Common Stock | 483 | $206.94 | Direct | F11 |
| transaction | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | $0 | -183 | -100% | $0.000000 | 0 | 19 Feb 2026 | Common Stock | 183 | $544.08 | Direct | F12 |
| transaction | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | $0 | -197 | -100% | $0.000000 | 0 | 19 Feb 2026 | Common Stock | 197 | $505.53 | Direct | F13 |
| Id | Content |
|---|---|
| F1 | Represents the weighted average price of the shares sold ranging from a low of $623.28 to a high of $624.27 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. |
| F2 | Represents the weighted average price of the shares sold ranging from a low of $624.89 to a high of $625.56 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 $626.045 to a high of $628.38 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 $627.74 to a high of $628.67 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 $628.755 to a high of $629.615 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 | Includes 184 vested but deferred restricted stock units. |
| F7 | Grant of option to buy shares of Issuer common stock that vested in five annual installments beginning on February 14, 2018. |
| F8 | Grant of option to buy shares of Issuer common stock that vested in five annual installments beginning on February 14, 2019. |
| F9 | Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2022. |
| F10 | Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2023. |
| F11 | Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2024. |
| F12 | Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2025. |
| F13 | Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2026. |