JONATHAN JAY MAZELSKY - 08 Aug 2025 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Role
President and CEO, Director
Signature
/s/ Lily J. Lu, Attorney-in-Fact for Jonathan Jay Mazelsky
Issuer symbol
IDXX
Transactions as of
08 Aug 2025
Net transactions value
+$109,523
Form type
4
Filing time
12 Aug 2025, 17:00:15 UTC
Previous filing
08 Aug 2025
Next filing
04 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MAZELSKY JONATHAN JAY President and CEO, Director ONE IDEXX DRIVE, WESTBROOK /s/ Lily J. Lu, Attorney-in-Fact for Jonathan Jay Mazelsky 12 Aug 2025 0001556270

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IDXX Common Stock Options Exercise $109,523 +183 +0.22% $598.49 83,494 08 Aug 2025 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 Premium Incentive Stock Option (right-to-buy) Options Exercise -183 -100% 0 08 Aug 2025 Common Stock 183 $598.49 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Grant of option at a 110% premium to the closing price of Issuer common stock on the Nasdaq Global Select Market on February 12, 2021 to buy shares of Issuer common stock that became exercisable in one installment on February 14, 2025.
F2 Not applicable.