SEC Form 3

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 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Molho Davide (Last) (First) (Middle) 251 BALLARDVALE STREET (Street) WILMINGTON MA 01887 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 12/01/2010	3. Issuer Name and Ticker or Trading Symbol CHARLES RIVER LABORATORIES INTERNATIONAL INC [ CRL ]
		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	5. 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 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)	19,011	D

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: 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)	02/17/2006	02/17/2013	Common Stock	4,100	38.03	D
Stock Options (Right to Buy)	02/17/2008	02/17/2015	Common Stock	2,284	47.75	D
Stock Options (Right to Buy)	02/23/2008(2)	02/23/2014	Common Stock	3,750	46.6	D
Stock Options (Right to Buy)	02/28/2009(3)	02/28/2015	Common Stock	4,900	58.58	D
Stock Options (Right to Buy)	02/27/2010(4)	02/27/2016	Common Stock	20,050	24.8	D
Stock Options (Right to Buy)	02/26/2011(5)	02/26/2017	Common Stock	29,500	37.92	D

Explanation of Responses:

1. Consists of: (a) 5,786 shares of common stock; (b) 5,025 unvested restricted stock units (RSU) which vest as follows: 325 RSUs vest on 02/23/2011, 1,275 RSUs vest on 02/27/2011, 437 RSUs vest on 02/28/2011, 1,275 RSUs vest on 02/27/2012, 438 RSUs vest on 02/29/2012, 1,275 RSUs vest on 02/27/2013 and (c) 8,200 shares of restricted stock which vest as follows: 2,050 shares vest on 02/26/2011, 2,050 shares vest on 02/26/2012, 2,050 shares vest on 02/26/2013 and 2,050 shares vest on 02/26/2014. Each RSU represents a contingent right to receive one share of common stock.

2. 2,812 options have vested as of the reporting date. The remaining 938 outstanding options will vest on 02/23/2011.

3. 4,900 options have vested as of the reporting date. The remaining 2,450 outstanding options will vest in two equal amounts of 1,225 on 02/28/2011 and 02/29/2012.

4. 5,012 options have vested as of the reporting date. The remaining 15,038 outstanding options will vest as follows: 5,013 on 02/27/2011; 5,012 on 02/27/2012; and 5,013 on 02/27/2013.

5. Options will vest in four equal installments of 7,375 on 02/26/2011, 02/26/2012, 02/26/2013 and 02/26/2014.

	/s/Davide Molho	12/10/2010
	** 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 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).
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