SEC FORM 4

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

MAZELSKY JONATHAN JAY

(Last)

(First)

(Middle)

ONE IDEXX DRIVE

(Street)

WESTBROOK

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
X	Officer (give title below)	Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/14/2023

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/14/2023		M		504	A	$0	71,326.6426	D
Common Stock	02/14/2023		M		435	A	$0	71,761.6426	D
Common Stock	02/14/2023		M		974	A	$0	72,735.6426	D
Common Stock	02/14/2023		M		689	A	$0	73,424.6426	D
Common Stock	02/14/2023		M		959	A	$0	74,383.6426	D
Common Stock	02/14/2023		F		1,657	D	$503.65	72,726.6426	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	⁽¹⁾	02/14/2023		M			504	⁽¹⁾	⁽¹⁾	Common Stock	504	⁽⁶⁾	13,884	D
Restricted Stock Unit	⁽²⁾	02/14/2023		M			435	⁽²⁾	⁽²⁾	Common Stock	435	⁽⁶⁾	13,449	D
Restricted Stock Unit	⁽³⁾	02/14/2023		M			974	⁽³⁾	⁽³⁾	Common Stock	974	⁽⁶⁾	12,475	D
Restricted Stock Unit	⁽⁴⁾	02/14/2023		M			689	⁽⁴⁾	⁽⁴⁾	Common Stock	689	⁽⁶⁾	11,786	D
Restricted Stock Unit	⁽⁵⁾	02/14/2023		M			959	⁽⁵⁾	⁽⁵⁾	Common Stock	959	⁽⁶⁾	10,827	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vested in five annual installments, beginning February 14, 2019.

2. Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five annual installments, beginning February 14, 2020.

3. Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in four annual installments, beginning February 14, 2021.

4. Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in four annual installments, beginning February 14, 2022.

5. Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in four annual installments, beginning February 14, 2023.

6. Not applicable.

	/s/ Lily J. Lu, Attorney-in-Fact for Jonathan Jay Mazelsky	02/16/2023
	** 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).
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