Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 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 *
  TWIGGE GIOVANI
2. Date of Event Requiring Statement (Month/Day/Year)
12/30/2016
3. Issuer Name and Ticker or Trading Symbol
IDEXX LABORATORIES INC /DE [IDXX]
(Last)
(First)
(Middle)
IDEXX LABORATORIES, INC., ONE IDEXX DRIVE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CVP - Chief HR Officer
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WESTBROOK, ME 04092
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 17,729
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit   (1)   (1) Common Stock 5,512 (1) $ (1) D  
Non-Qualified Stock Option (right-to-buy)   (2) 02/13/2019 Common Stock 11,372 (12) $ 43.71 (12) D  
Incentive Stock Option (right-to-buy)   (3) 02/13/2019 Common Stock 2,286 (12) $ 43.71 (12) D  
Non-Qualified Stock Option (right-to-buy)   (4) 02/13/2023 Common Stock 14,750 (12) $ 45.84 (12) D  
Incentive Stock Option (right-to-buy)   (5) 02/13/2023 Common Stock 2,180 (12) $ 45.84 (12) D  
Non-Qualified Stock Option (right-to-buy)   (6) 02/13/2024 Common Stock 12,814 (12) $ 62 (12) D  
Incentive Stock Option (right-to-buy)   (7) 02/13/2024 Common Stock 1,612 (12) $ 62 (12) D  
Non-Qualified Stock Option (right-to-buy)   (8) 02/13/2025 Common Stock 19,354 (12) $ 79.54 (12) D  
Incentive Stock Option (right-to-buy)   (9) 02/13/2025 Common Stock 1,256 (12) $ 79.54 (12) D  
Non-Qualified Stock Option (right-to-buy)   (10) 02/13/2026 Common Stock 22,028 $ 67.85 D  
Incentive Stock Option (right-to-buy)   (11) 02/13/2026 Common Stock 1,476 $ 67.85 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
TWIGGE GIOVANI
IDEXX LABORATORIES, INC.
ONE IDEXX DRIVE
WESTBROOK, ME 04092
      CVP - Chief HR Officer  

Signatures

/s/ Giovani Twigge 01/06/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock and vest in five equal annual installments beginning on the first anniversary of the date of grant. The number of restricted stock units reported was adjusted to reflect a 2-for-1 stock split in the form of a 100% stock dividend on IDEXX Laboratories, Inc. common stock paid on June 15, 2015 (the "Stock Split").
(2) Grant of option to buy 7,394 shares of Issuer common stock that vests in five annual installments beginning on February 14, 2013, without giving effect to the Stock Split.
(3) Grant of option to buy 1,143 shares of Issuer common stock that vests in one installment on February 14, 2017, without giving effect to the Stock Split.
(4) Grant of option to buy 7,375 shares of Issuer common stock that vests in five annual installments beginning on February 14, 2014, without giving effect to the Stock Split.
(5) Grant of option to buy 1,090 shares of Issuer common stock that vests in one installment on February 14, 2018, without giving effect to the Stock Split.
(6) Grant of option to buy 6,407 shares of Issuer common stock that vests in five annual installments beginning on February 14, 2015, without giving effect to the Stock Split.
(7) Grant of option to buy 806 shares of Issuer common stock that vests in one installment on February 14, 2019, without giving effect to the Stock Split.
(8) Grant of option to buy 9,677 shares of Issuer common stock that vests in five annual installments beginning on February 14, 2016, without giving effect to the Stock Split.
(9) Grant of option to buy 628 shares of Issuer common stock that vests in one installment on February 14, 2020, without giving effect to the Stock Split.
(10) Grant of option to buy22,028 shares of Issuer common stock that vests in five annual installments beginning on February 14, 2017.
(11) Grant of option to buy 1,476 shares of Issuer common stock that vests as to 1 share on February 14, 2017, February 14, 2018 and February 14, 2020, respectively, and as to the remainder on February 14, 2021.
(12) The number of remaining derivative securities reported as beneficially owned and price with respect to this option were adjusted to reflect the Stock Split.

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