1. Name and Address of Reporting Person
BERTHOUX, CHRISTOPHE
251 Ballardvale Street
Wilmington, MA 01887
USA
2. Date of Event Requiring Statement (Month/Day/Year)
10/11/2002
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Issuer Name and Ticker or Trading Symbol
Charles River Laboratories Int'l., Inc (CRL)
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)
( ) Director ( ) 10% Owner
(X) Officer (give title below) ( ) Other (specify below)
OFFICERS
6. If Amendment, Date of Original (Month/Day/Year)
7. 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 |2. Amount of |3. Ownership |4. Nature of Indirect Beneficial Ownership |
| | Securities | Form: | |
| | Beneficially Owned | Direct(D) or | |
| | | Indirect(I) | |
+------------------------------------------+----------------------+----------------+-----------------------------------------------+
Common Stock 23752 D
Restricted Stock Award 3000 D
TABLE II -- Derivative Securities Beneficially Owned
+-----------------------+---------------------+---------------------------------+----------+-------------+-------------------------+
|1.Title of Derivative |2.Date Exercisable |3.Title and Amount of Securities |4.Conver- |5.Ownership |6. Nature of Indirect |
| Security | and Expiration Date| Underlying Derivative | sion or | Form of | Beneficial Ownership |
| | (Month/Day/Year) | Security | Exercise | Derivative | |
| +----------+----------+-----------------------+---------+ Price of | Security: | |
| | Date | Expira- | |Amount or| Deri- | Direct(D) or| |
| | Exer- | tion | Title |Number of| vative | Indirect(I) | |
| | cisable | Date | |Shares | Security | | |
+-----------------------+----------+----------+-----------------------+---------+----------+-------------+-------------------------+
Stock Options (Right to 12/31/2000 09/29/2009 Common Stock 22529 $5.33 D
buy)
Stock Options (Right to 09/29/2000 09/29/2009 Common Stock 1011 $5.33 D
buy)
Stock Options (Right to 06/23/2001 10/21/2012 Common Stock 6500 $16 D
buy)
Stock Options (Right to 08/01/2002 08/01/2011 Common Stock 5887 $31.97 D
buy)
Stock Options (Right to 08/01/2002 08/01/2011 Common Stock 7213 $31.97 D
buy)
Stock Options (Right to 07/15/2003 07/15/2012 Common Stock 15590 $32.15 D
buy)
Stock Options (Right to 07/15/2005 07/15/2012 Common Stock 3110 $32.15 D
buy)
Explanation of Responses:
Options became exercisable between December 31, 2000 and December 31, 2001
Options became exercisable between September 29, 2000 and September 29, 2002
Options vest on a 3 year schedule beginning June 23, 2001
The options vest on a 3 year schedule beginning on August 1,2002
The options vest on a 3 year schedule beginning on July 15, 2003
SIGNATURE OF REPORTING PERSON
/s/ CHRISTOPHE BERTHOUX
DATE
10/21/2002