IDEXX director gets 36 deferred stock units

IDEXX Laboratories director Joseph L. Hooley acquired 36 deferred stock units of common stock on January 30, 2026 through the company’s Director Deferred Compensation Plan.

Rhea-AI Filing Summary

IDEXX Laboratories director Joseph L. Hooley acquired 36 deferred stock units of common stock on January 30, 2026 through the company’s Director Deferred Compensation Plan. The units were valued using a share price of $670.46, based on $24,375.00 of cash fees he elected to defer.

Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories common stock. The units vest immediately upon grant, but are only paid in shares after Hooley resigns from the board or on other fixed dates allowed under the plan. Following this grant, he beneficially owns 75 shares directly.

Insider Trade Summary

Grant/Award: 36 shares

Grant/Award 1 txn

Insider HOOLEY JOSEPH L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	36	$670.46	$24K

Holdings After Transaction: Common Stock — 75 shares (Direct)

Footnotes (1)

1. F1. Represents deferred stock units acquired pursuant to the IDEXX Laboratories, Inc. Director Deferred Compensation Plan (the "Plan") in accordance with Rule 16b-3. The number of deferred stock units, rounded up or down to the nearest whole unit, is determined by dividing the amount of cash compensation deferred pursuant to the Plan ($24,375.00) by the closing price of IDEXX Laboratories, Inc. common stock on the date of the deferral, or if no such price is reported for that date, the closing price for the next preceding date for which such price was reported. Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest immediately upon grant and are payable only as common stock as soon as practicable following the Director's resignation from the Board of Directors or on such other nondiscretionary and objectively determinable date(s) selected in accordance with the terms of the Plan.

FAQ

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What insider transaction did IDEXX (IDXX) director Joseph Hooley report?

IDEXX director Joseph L. Hooley reported acquiring 36 deferred stock units of common stock on January 30, 2026. These units were issued under the Director Deferred Compensation Plan in exchange for deferring $24,375.00 of cash board fees into IDEXX equity.

At what price were Joseph Hooley’s IDEXX (IDXX) deferred stock units valued?

Hooley’s 36 deferred stock units were valued at $670.46 per share. The plan calculates units by dividing the $24,375.00 deferred cash compensation by IDEXX’s closing common stock price on the deferral date or the most recent prior trading day.

How many IDEXX (IDXX) shares does Joseph Hooley own after this Form 4?

After this transaction, Hooley beneficially owns 75 IDEXX common shares directly. The 36 new deferred stock units increase his equity-based compensation, each representing a contingent right to receive one IDEXX share upon payout under the plan’s distribution rules.

What is the IDEXX (IDXX) Director Deferred Compensation Plan mentioned in the filing?

The Director Deferred Compensation Plan lets IDEXX directors convert cash fees into deferred stock units. Units equal deferred cash divided by IDEXX’s closing stock price. Each unit represents a right to one share, vesting immediately but paid in stock after board resignation or other preset dates.

When will Joseph Hooley’s IDEXX (IDXX) deferred stock units be paid out?

Hooley’s deferred stock units vest immediately but are only payable in IDEXX common stock. Payment occurs as soon as practicable after his resignation from the board, or on other nondiscretionary, objectively determinable dates he selects under the plan’s terms.

Is Joseph Hooley’s IDEXX (IDXX) Form 4 transaction a purchase on the open market?

No, the transaction reflects equity compensation, not an open-market buy. Hooley received 36 deferred stock units as part of the IDEXX Director Deferred Compensation Plan, funded by deferring $24,375.00 of his cash director fees into IDEXX stock-based awards.

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Accepted by SEC EDGAR 02/03/2026 - 05:01 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HOOLEY JOSEPH L

(Last) (First) (Middle)

ONE IDEXX DRIVE

(Street)

WESTBROOK ME 04092

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
IDEXX LABORATORIES INC /DE [ IDXX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/30/2026

4. If Amendment, Date of 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

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	01/30/2026		A		36(1)	A	$670.46	75	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Represents deferred stock units acquired pursuant to the IDEXX Laboratories, Inc. Director Deferred Compensation Plan (the "Plan") in accordance with Rule 16b-3. The number of deferred stock units, rounded up or down to the nearest whole unit, is determined by dividing the amount of cash compensation deferred pursuant to the Plan ($24,375.00) by the closing price of IDEXX Laboratories, Inc. common stock on the date of the deferral, or if no such price is reported for that date, the closing price for the next preceding date for which such price was reported. Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest immediately upon grant and are payable only as common stock as soon as practicable following the Director's resignation from the Board of Directors or on such other nondiscretionary and objectively determinable date(s) selected in accordance with the terms of the Plan.

Remarks:

	/s/ Lily J. Lu, Attorney-in-Fact for Joseph L. Hooley	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.