Michael G. Erickson - 12 Feb 2026 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Signature
/s/ Lily J. Lu, Attorney-in-Fact for Michael G. Erickson
Issuer symbol
IDXX
Transactions as of
12 Feb 2026
Net transactions value
-$612,987
Form type
4
Filing time
17 Feb 2026, 19:30:18 UTC
Previous filing
14 Aug 2025
Next filing
19 Feb 2026

Reporting Owners (1)

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 17 Feb 2026 0002005385
This filing has been restated, see here for the amended filing

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IDXX Common Stock Options Exercise $0 +92 +0.81% $0.000000 11,396 14 Feb 2026 Direct F1
transaction IDXX Common Stock Options Exercise $0 +94 +0.82% $0.000000 11,490 14 Feb 2026 Direct
transaction IDXX Common Stock Options Exercise $0 +301 +2.6% $0.000000 11,791 14 Feb 2026 Direct
transaction IDXX Common Stock Options Exercise $0 +184 +1.6% $0.000000 11,975 14 Feb 2026 Direct
transaction IDXX Common Stock Options Exercise $0 +1,508 +13% $0.000000 13,483 14 Feb 2026 Direct
transaction IDXX Common Stock Options Exercise $0 +184 +1.4% $0.000000 13,667 14 Feb 2026 Direct F2
transaction IDXX Common Stock Tax liability $612,987 -974 -7.1% $629.35 12,693 14 Feb 2026 Direct F3, F4

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 Restricted Stock Unit Award $0 +4,739 $0.000000 4,739 12 Feb 2026 Common Stock 4,739 Direct F5
transaction IDXX Restricted Stock Unit Award $0 +1,580 $0.000000 1,580 12 Feb 2026 Common Stock 1,580 Direct F6
transaction IDXX Restricted Stock Unit Options Exercise $0 -184 -25% $0.000000 550 14 Feb 2026 Common Stock 184 Direct F7
transaction IDXX Restricted Stock Unit Options Exercise $0 -92 -100% $0.000000 0 14 Feb 2026 Common Stock 92 Direct F8
transaction IDXX Restricted Stock Unit Options Exercise $0 -94 -50% $0.000000 94 14 Feb 2026 Common Stock 94 Direct F9
transaction IDXX Restricted Stock Unit Options Exercise $0 -301 -33% $0.000000 602 14 Feb 2026 Common Stock 301 Direct F10
transaction IDXX Restricted Stock Unit Options Exercise $0 -184 -25% $0.000000 550 14 Feb 2026 Common Stock 184 Direct F11
transaction IDXX Restricted Stock Unit Options Exercise $0 -1,508 -100% $0.000000 0 14 Feb 2026 Common Stock 1,508 Direct F12
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 17.386 shares purchased under the Issuer Employee Stock Purchase Plan ('ESPP') on September 30, 2025 and December 31, 2025. There are a total of 137.351 shares held in the ESPP which has been reduced by 0.005 shares due to a rounding calculation of previously issued fractional shares.
F2 2. Represents Restricted Stock Units ('RSU') that were granted on February 14, 2025, were deferred in accordance with the Issuer's Deferred Compensation Plan and have vested. Upon vesting, these RSUs were recorded in an account under such Plan and represents a contingent right to receive one share of Issuer common stock that is payable as soon as practicable after the reporting person's separation of service with the Issuer or a date specified by the reporting person.
F3 Closing price of Issuer common stock on Nasdaq Global Select Market on February 13, 2026.
F4 Includes 184 vested but deferred RSUs.
F5 Each RSU represents a contingent right to receive one share of Issuer common stock that vests in four annual installments, beginning February 14, 2027.
F6 Grant of RSUs that upon vesting, will be deferred and recorded in an account under the Issuer's Deferred Compensation Plan. This RSU grant vests in four annual installments, beginning February 14, 2027.
F7 Represents RSUs that were granted on February 14, 2025 and deferred in accordance with the Issuer's Deferred Compensation Plan and represents a contingent right to receive one share of Issuer common stock vesting in four annual installments, beginning February 14, 2026. Upon vesting, each such RSU will be recorded in an account under such Plan.
F8 Each RSU represents a contingent right to receive one share of Issuer common stock that vested in four annual installments beginning on February 14, 2023.
F9 Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments beginning on February 14, 2024.
F10 Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments beginning on February 14, 2025.
F11 Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2026.
F12 Each RSU represents a contingent right to receive one share of Issuer common stock and vested in one installment on February 14, 2026.