George Fennell - 09 Feb 2026 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Signature
/s/ Lily J. Lu, Attorney-in-Fact for George Fennell
Issuer symbol
IDXX
Transactions as of
09 Feb 2026
Net transactions value
-$6,467,088
Form type
4
Filing time
11 Feb 2026, 17:01:09 UTC
Previous filing
18 Feb 2025
Next filing
17 Feb 2026

Reporting Owners (1)

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

Transactions Table

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

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

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
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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.