Martin A. Smith - 12 Feb 2026 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Signature
/s/ Lily J. Lu, Attorney-in-Fact for Martin A. Smith
Issuer symbol
IDXX
Transactions as of
12 Feb 2026
Net transactions value
-$190,064
Form type
4
Filing time
17 Feb 2026, 19:31:10 UTC
Previous filing
03 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Smith Martin Alexander Executive Vice President ONE IDEXX DRIVE, WESTBROOK /s/ Lily J. Lu, Attorney-in-Fact for Martin A. Smith 17 Feb 2026 0001621358

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IDXX Common Stock Options Exercise $0 +148 +10% $0.000000 1,603 14 Feb 2026 Direct F1
transaction IDXX Common Stock Options Exercise $0 +188 +12% $0.000000 1,791 14 Feb 2026 Direct
transaction IDXX Common Stock Options Exercise $0 +301 +17% $0.000000 2,092 14 Feb 2026 Direct
transaction IDXX Common Stock Options Exercise $0 +367 +18% $0.000000 2,459 14 Feb 2026 Direct
transaction IDXX Common Stock Tax liability $190,064 -302 -12% $629.35 2,157 14 Feb 2026 Direct F2

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 Non-Qualified Stock Option (right-to-buy) Award $0 +5,361 $0.000000 5,361 12 Feb 2026 Common Stock 5,361 $617.20 Direct F3
transaction IDXX Incentive Stock Option (right-to-buy) Award $0 +162 $0.000000 162 12 Feb 2026 Common Stock 162 $617.20 Direct F4
transaction IDXX Restricted Stock Unit Award $0 +1,262 $0.000000 1,262 12 Feb 2026 Common Stock 1,262 Direct F5
transaction IDXX Restricted Stock Unit Award $0 +1,620 $0.000000 1,620 12 Feb 2026 Common Stock 1,620 Direct F6
transaction IDXX Restricted Stock Unit Options Exercise $0 -148 -100% $0.000000 0 14 Feb 2026 Common Stock 148 Direct F7
transaction IDXX Restricted Stock Unit Options Exercise $0 -188 -50% $0.000000 188 14 Feb 2026 Common Stock 188 Direct F8
transaction IDXX Restricted Stock Unit Options Exercise $0 -301 -33% $0.000000 602 14 Feb 2026 Common Stock 301 Direct F9
transaction IDXX Restricted Stock Unit Options Exercise $0 -367 -25% $0.000000 1,101 14 Feb 2026 Common Stock 367 Direct F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes a total of 21 shares purchased under the Issuer Employee Stock Purchase Plan on September 30, 2025 and December 31, 2025.
F2 Closing price of Issuer common stock on Nasdaq Global Select Market on February 13, 2026.
F3 Grant of option to buy shares of Issuer common stock that becomes exercisable in four annual installments beginning February 14, 2027.
F4 Grant of option to buy shares of Issuer common stock that becomes exercisable in one installment on February 14, 2030.
F5 Each restricted stock unit ('RSU') represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2027.
F6 Each RSU represents a contingent right to receive one share of Issuer common stock and vests in three annual installments, beginning February 14, 2027.
F7 Each RSU represents a contingent right to receive one share of Issuer common stock that vested in four annual installments, beginning February 14, 2023.
F8 Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2024.
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, 2025.
F10 Each RSU represents a contingent right to receive one share of Issuer common stock and vests in four annual installments, beginning February 14, 2026.