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 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 * FOSTER JAMES C   2. Issuer Name and Ticker or Trading Symbol CHARLES RIVER LABORATORIES INTERNATIONAL INC [CRL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman, President and CEO (Last) (First) (Middle) 251 BALLARDVALE STREET 3. Date of Earliest Transaction (Month/Day/Year) 03/15/2013 (Street) WILMINGTON, MA 01887 4. If Amendment, Date 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 (City) (State) (Zip) 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 03/15/2013   S(1)   1,000 D $ 44.46 518,487 D   Common Stock 03/15/2013   S(1)   2,500 D $ 44.49 515,987 D   Common Stock 03/15/2013   S(1)   2,700 D $ 44.5 513,287 D   Common Stock 03/15/2013   S(1)   2,100 D $ 44.51 511,187 D   Common Stock 03/15/2013   S(1)   700 D $ 44.52 510,487 D   Common Stock 03/15/2013   S(1)   500 D $ 44.525 509,987 D   Common Stock 03/15/2013   S(1)   100 D $ 44.5275 509,887 D   Common Stock 03/15/2013   S(1)   200 D $ 44.529 509,687 D   Common Stock 03/15/2013   S(1)   5,200 D $ 44.53 504,487 D   Common Stock 03/15/2013   S(1)   750 D $ 44.535 503,737 D   Common Stock 03/15/2013   S(1)   100 D $ 44.537 503,637 D   Common Stock 03/15/2013   S(1)   2,900 D $ 44.54 500,737 D   Common Stock 03/15/2013   S(1)   3,800 D $ 44.55 496,937 D   Common Stock 03/15/2013   S(1)   200 D $ 44.555 496,737 D   Common Stock 03/15/2013   S(1)   450 D $ 44.56 496,287 D   Common Stock 03/15/2013   S(1)   3,841 D $ 44.57 492,446 D   Common Stock 03/15/2013   S(1)   1,436 D $ 44.58 491,010 D   Common Stock 03/15/2013   S(1)   100 D $ 44.585 490,910 D   Common Stock 03/15/2013   S(1)   3,100 D $ 44.59 487,810 D   Common Stock 03/15/2013   S(1)   400 D $ 44.595 487,410 D   Common Stock 03/15/2013   S(1)   4,000 D $ 44.6 483,410 D   Common Stock 03/15/2013   S(1)   500 D $ 44.605 482,910 D   Common Stock 03/15/2013   S(1)   100 D $ 44.608 482,810 D   Common Stock 03/15/2013   S(1)   200 D $ 44.609 482,610 D   Common Stock 03/15/2013   S(1)   3,409 D $ 44.61 479,201 D   Common Stock 03/15/2013   S(1)   200 D $ 44.615 479,001 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FOSTER JAMES C 251 BALLARDVALE STREET WILMINGTON, MA 01887	X		Chairman, President and CEO

Signatures

/s/Matthew Daniel as attorney-in-fact for James C. Foster		03/19/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This sale occured pursuant to a 10b5-1 Trading Plan.
Remarks: 3 of 7

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