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 *
  Barbo William D
 2. Date of Event Requiring Statement (Month/Day/Year)
10/18/2016		 3. Issuer Name and Ticker or Trading Symbol
CHARLES RIVER LABORATORIES INTERNATIONAL INC [CRL]
(Last)
(First)
(Middle)
251 BALLARDVALE STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Corporate Executive VP & CCO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WILMINGTON, MA 01887		 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 (1) 16,465
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
Stock Options (Right to Buy) 02/22/2014(2) 02/22/2020 Common Stock 2,293 $ 40.4 D  
Stock Options (Right to Buy) 02/28/2015(3) 02/28/2021 Common Stock 3,650 $ 59.41 D  
Stock Options (Right to Buy) 02/27/2016(4) 02/27/2020 Common Stock 8,631 $ 76.67 D  
Stock Options (Right to Buy) 02/26/2017(5) 02/26/2021 Common Stock 12,060 $ 73.7 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Barbo William D
251 BALLARDVALE STREET
WILMINGTON, MA 01887		       Corporate Executive VP & CCO  

Signatures

/s/ William D. Barbo 10/21/2016
**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) Consists of: (a) 9,692 shares of common stock; (b) 2,848 shares of restricted stock which vest as follows: 1,923 shares on 2/22/2017, 462 shares on 2/28/2017 and 463 shares on 2/28/2018; (c) 3,925 unvested restricted stock units (RSUs) which vest as follows: 614 on 2/26/2017, 489 on 2/27/2017, 615 on 2/26/2018, 489 on 2/27/2018, 614 on 2/26/2019, 489 on 2/27/2019 and 615 on 2/26/2020. Each RSU represents a contingent right to receive one share of common stock.
(2) Stock Options will vest as follows: 2,293 on 2/22/2017.
(3) Stock Options will vest as follows: 1,825 on 2/28/2017 and 1,825 on 2/28/2018.
(4) 2,157 stock options have vested as of the reporting date. The remaining 6,474 stock options will vest as follows: 2,158 on 2/27/2017, 2,158 on 2/27/2018 and 2,158 on 2/27/2019.
(5) Stock Options will vest in four equal installments of 3,015 on 2/26/2017, 2/26/2018, 2/26/2019 and 2/26/2020.

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