Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Erickson Michael G 2. Issuer Name and Ticker or Trading Symbol IDEXX LABORATORIES INC /DE [IDXX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) ONE IDEXX DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 02/17/2026 (Street) WESTBROOK, ME 04092 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/17/2026 M 1,191 A $141.6 13,884.351 D Common Stock 02/17/2026 M 4,180 A $178.26 18,064.351 D Common Stock 02/17/2026 S 456 D $623.7582(1) 17,608.351 D Common Stock 02/17/2026 S 204 D $625.2423(2) 17,404.351 D Common Stock 02/17/2026 S 1,288 D $626.2564(3) 16,116.351 D Common Stock 02/17/2026 S 2,694 D $628.2208(4) 13,422.351 D Common Stock 02/17/2026 S 689 D $629.0906(5) 12,733.351 D Common Stock 02/17/2026 S 40 D $629.8625 12,693.351 D Common Stock 02/19/2026 M 719 A $141.6 13,412.351 D Common Stock 02/19/2026 M 817 A $178.26 14,229.351 D Common Stock 02/19/2026 M 483 A $206.94 14,712.351 D Common Stock 02/19/2026 M 183 A $544.08 14,895.351 D Common Stock 02/19/2026 M 197 A $505.53 15,092.351(6) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right-to-buy)	$141.6	02/17/2026		M			1,191	(7)	02/13/2027	Common Stock	1,191	$ 0	0	D
Non-Qualified Stock Option (right-to-buy)	$178.26	02/17/2026		M			4,180	(8)	02/13/2028	Common Stock	4,180	$ 0	0	D
Incentive Stock Option (right-to-buy)	$141.6	02/19/2026		M			719	(9)	02/13/2027	Common Stock	719	$ 0	0	D
Incentive Stock Option (right-to-buy)	$178.26	02/19/2026		M			817	(10)	02/13/2028	Common Stock	817	$ 0	0	D
Incentive Stock Option (right-to-buy)	$206.94	02/19/2026		M			483	(11)	02/13/2029	Common Stock	483	$ 0	0	D
Incentive Stock Option (right-to-buy)	$544.08	02/19/2026		M			183	(12)	02/13/2031	Common Stock	183	$ 0	0	D
Incentive Stock Option (right-to-buy)	$505.53	02/19/2026		M			197	(13)	02/13/2032	Common Stock	197	$ 0	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Erickson Michael G ONE IDEXX DRIVE WESTBROOK, ME 04092			Executive Vice President

Signatures

/s/ Lily J. Lu, Attorney-in-Fact for Michael G. Erickson		02/19/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents the weighted average price of the shares sold ranging from a low of $623.28 to a high of $624.27 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.
(2)	Represents the weighted average price of the shares sold ranging from a low of $624.89 to a high of $625.56 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.
(3)	Represents the weighted average price of the shares sold ranging from a low of $626.045 to a high of $628.38 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.
(4)	Represents the weighted average price of the shares sold ranging from a low of $627.74 to a high of $628.67 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.
(5)	Represents the weighted average price of the shares sold ranging from a low of $628.755 to a high of $629.615 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.
(6)	Includes 184 vested but deferred restricted stock units.
(7)	Grant of option to buy shares of Issuer common stock that vested in five annual installments beginning on February 14, 2018.
(8)	Grant of option to buy shares of Issuer common stock that vested in five annual installments beginning on February 14, 2019.
(9)	Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2022.
(10)	Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2023.
(11)	Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2024.
(12)	Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2025.
(13)	Grant of option to buy shares of Issuer common stock that vested in one installment on February 14, 2026.

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