IDXX IDEXX Laboratories Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Underberg Sharon E.	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) CVP, Gen. Counsel & Secretary
(Last)          (First)          (Middle) C/O IDEXX LABORATORIES, INC.	3. Date of Earliest Transaction (MM/DD/YYYY) 8/19/2020
(Street) WESTBROOK, ME 04092 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	8/19/2020		M		483	A	$206.94	874 (1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 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
Incentive Stock Option (right-to-buy)	$206.94	8/19/2020		M			483	(2)	2/13/2029	Common Stock	483	(3)	1932	D

Explanation of Responses:
(1)	Includes a total of 38 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on March 31, 2020 and June 30, 2020.
(2)	Grant of option to buy shares of Issuer common stock that becomes exercisable in five annual installments beginning February 14, 2020.
(3)	Not applicable.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Underberg Sharon E. C/O IDEXX LABORATORIES, INC. WESTBROOK, ME 04092			CVP, Gen. Counsel & Secretary

Signatures
/s/ Lily J. Lu, Attorney-in-Fact for Sharon E. Underberg		8/20/2020
**Signature of Reporting Person		Date