-------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION -----------------------------
FORM 4 WASHINGTON, D.C. 20549 OMB APPROVAL
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/ / CHECK THIS BOX IF NO STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OMB NUMBER: 3235-0287
LONGER SUBJECT TO EXPIRES: DECEMBER 31, 2001
SECTION 16. FORM 4 OR Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, ESTIMATED AVERAGE BURDEN
FORM 5 OBLIGATIONS MAY Section 17(a) of the Public Utility Holding Company Act of 1935 or HOURS PER RESPONSE .... 0.5
CONTINUE. SEE Section 30(f) of the Investment Company Act of 1940 -----------------------------
INSTRUCTION 1(b).
(Print or Type Responses)
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1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s)
to Issuer (Check all applicable)
ACKERMAN THOMAS F Charles River Laboratories, Int'l., Inc. Director 10% Owner
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--------------------------------------------------------------------------------------------- X Officer (give Other
(Last) (First) (Middle) 3. IRS or Social Security 4. Statement for ---- title ---- (specify
Number of Reporting Month/Year below) below
Person, (Voluntary) Sr. VP and CFO
251 Ballardvale Street if an entity 02/2002 ----------------- ------------------
-------------------------------------------- --------------------- 7. Individual or Joint/Group Filing
(Street) 5. If Amendment, (Check Applicable Line)
Date of Original _X_Form filed by One Reporting Person
(Month/Year) ___Form filed by More than One
Wilmington MA 01887 Reporting Person
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(City) (State) (Zip) TABLE I - NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
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1. Title of Security 2. Trans- 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature
(Instr. 3) action action or Disposed of (D) Securities ship of In-
Date Code (Instr. 3, 4 and 5) Beneficially Form: direct
(Instr. 8) Owned at Direct Bene-
(Month/ End of (D) or ficial
Day/ ------------------------------------------- Month Indirect Owner-
Year) (A) or (I) ship
Code V Amount (D) Price (Instr. 3 (Instr. 4) (Instr. 4)
and 4)
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(1)
Common Stock 02/12/02 S 2,000 D $32 25,767 D
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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over)
* If the form is filed by more than one reporting person, see Instruction 4(b)(v). SEC 1474 (3-00)
POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION
CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM
DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER.
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FORM 4 (CONTINUED) TABLE II - DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
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1. Title of Derivative Security 2. Conver- 3. Trans- 4. Transac- 5. Number of Deriv- 6. Date Exer-
(Instr. 3) sion or action tion Code ative Securities Ac- cisable and Ex-
Exercise Date (Instr. 8) quired (A) or Dis- piration Date
Price of (Month/ posed of (D) (Month/Day/
Deriv- Day/ (Instr. 3, 4, and 5) Year)
ative Year)
Security
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Date Expira-
-------------------------------------- Exer- tion
cisable Date
Code V (A) (D)
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7. Title and Amount of Under- 8. Price 9. Number 10. Owner- 11. Nature
lying Securities of of Deriv- ship of In-
(Instr. 3 and 4) Deriv- ative Form direct
ative Securi- of De- Bene-
Secur- ties rivative ficial
ity Bene- Secu- Own-
(Instr. ficially rity ership
5) Owned Direct (Instr. 4)
at End (D) or
Amount or of Indi-
Title Number of Month rect (I)
Shares (Instr. 4) (Instr. 4)
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Explanation of Responses:
/s/ Thomas F. Ackerman 3/5/02
SEE ATTACHED PAGE(S) ----------------------------------- -----------
**Signature of Reporting Person Date
**Intentional misstatements or omissions of facts constitute ACKERMAN, THOMAS F
Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). 251 Ballardvale Street
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient, see Instruction 6 procedure.
Wilmington, MA 01887
Potential persons who are to respond to the collection of information contained Charles River Laboratories Int'l., Inc.
in this form are not required to respond unless the form displays a currently 02/2002
valid OMB Number.
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FORM 4 (CONTINUED) EXPLANATION OF RESPONSES
NAME: ACKERMAN, THOMAS F STATEMENT FOR MONTH/YEAR: 02/2002
251 BALLARDVALE STREET ISSUER NAME: CHARLES RIVER LABORATORIES, INT'L., INC.
WILMINGTON MA 01887
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NOTE: 1 THIS TRADE OCCURED PURSUANT TO A 10b5-1 TRADING PLAN ESTABLISHED DECEMBER 2001
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