| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| FENNELL GEORGE | Executive Vice President | ONE IDEXX DRIVE, WESTBROOK | /s/ Lily J. Lu, Attorney-in-Fact for George Fennell | 11 Feb 2026 | 0001521861 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDXX | Common Stock | Options Exercise | $100,147 | +1,476 | +18% | $67.85 | 9,823 | 09 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Options Exercise | $769,758 | +11,345 | +115% | $67.85 | 21,168 | 10 Feb 2026 | Direct | |
| transaction | IDXX | Common Stock | Sale | $726,587 | -1,130 | -5.3% | $643.00 | 20,038 | 10 Feb 2026 | Direct | F1 |
| transaction | IDXX | Common Stock | Sale | $255,674 | -397 | -2% | $644.02 | 19,641 | 10 Feb 2026 | Direct | F2 |
| transaction | IDXX | Common Stock | Sale | $1,394,388 | -2,161 | -11% | $645.25 | 17,480 | 10 Feb 2026 | Direct | F3 |
| transaction | IDXX | Common Stock | Sale | $1,797,800 | -2,782 | -16% | $646.23 | 14,698 | 10 Feb 2026 | Direct | F4 |
| transaction | IDXX | Common Stock | Sale | $686,039 | -1,060 | -7.2% | $647.21 | 13,638 | 10 Feb 2026 | Direct | F5 |
| transaction | IDXX | Common Stock | Sale | $626,721 | -966 | -7.1% | $648.78 | 12,672 | 10 Feb 2026 | Direct | F6 |
| transaction | IDXX | Common Stock | Sale | $1,823,771 | -2,809 | -22% | $649.26 | 9,863 | 10 Feb 2026 | Direct | F7 |
| transaction | IDXX | Common Stock | Sale | $26,013 | -40 | -0.41% | $650.32 | 9,823 | 10 Feb 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 | $0 | -1,476 | -100% | $0.000000 | 0 | 09 Feb 2026 | Common Stock | 1,476 | $67.85 | Direct | F8 |
| transaction | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | $0 | -11,345 | -100% | $0.000000 | 0 | 10 Feb 2026 | Common Stock | 11,345 | $67.85 | Direct | F9 |
| Id | Content |
|---|---|
| F1 | Represents the weighted average price of the shares sold ranging from a low of $642.595 to a high of $643.47 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 $643.65 to a high of $644.47 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 $644.75 to a high of $645.60 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 $645.80 to a high of $646.71 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 $646.825 to a high of $647.69 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 | Represents the weighted average price of the shares sold ranging from a low of $648.02 to a high of $649.00 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. |
| F7 | Represents the weighted average price of the shares sold ranging from a low of $649.05 to a high of $649.72 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. |
| F8 | Grant of option to buy 1,476 shares of Issuer common stock that vested on February 14, 2021. |
| F9 | Grant of option to buy 11,345 shares of Issuer common stock that vested in five annual installments beginning on February 14, 2017. |