SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

FOSTER JAMES C

(Last)

(First)

(Middle)

251 BALLARDVALE STREET

(Street)

WILMINGTON

01887

(City)

(State)

(Zip)

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 & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2018

4. 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 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/28/2018		M		20,072	A	$59.41	324,012	D
Common Stock	02/28/2018		S⁽¹⁾		10	D	$107.065	324,002	D
Common Stock	02/28/2018		S⁽¹⁾		500	D	$107.1	323,502	D
Common Stock	02/28/2018		S⁽¹⁾		100	D	$107.12	323,402	D
Common Stock	02/28/2018		S⁽¹⁾		20	D	$107.195	323,382	D
Common Stock	02/28/2018		S⁽¹⁾		40	D	$107.22	323,342	D
Common Stock	02/28/2018		S⁽¹⁾		10	D	$107.235	323,332	D
Common Stock	02/28/2018		S⁽¹⁾		309	D	$107.24	323,023	D
Common Stock	02/28/2018		S⁽¹⁾		100	D	$107.29	322,923	D
Common Stock	02/28/2018		S⁽¹⁾		100	D	$107.305	322,823	D
Common Stock	02/28/2018		S⁽¹⁾		10	D	$107.365	322,813	D
Common Stock	02/28/2018		S⁽¹⁾		200	D	$107.39	322,613	D
Common Stock	02/28/2018		S⁽¹⁾		110	D	$107.4	322,503	D
Common Stock	02/28/2018		S⁽¹⁾		153	D	$107.405	322,350	D
Common Stock	02/28/2018		S⁽¹⁾		70	D	$107.445	322,280	D
Common Stock	02/28/2018		S⁽¹⁾		30	D	$107.45	322,250	D
Common Stock	02/28/2018		S⁽¹⁾		200	D	$107.5	322,050	D
Common Stock	02/28/2018		S⁽¹⁾		506	D	$107.505	321,544	D
Common Stock	02/28/2018		S⁽¹⁾		100	D	$107.51	321,444	D
Common Stock	02/28/2018		S⁽¹⁾		194	D	$107.52	321,250	D
Common Stock	02/28/2018		S⁽¹⁾		200	D	$107.58	321,050	D
Common Stock	02/28/2018		S⁽¹⁾		210	D	$107.585	320,840	D
Common Stock	02/28/2018		S⁽¹⁾		100	D	$107.59	320,740	D
Common Stock	02/28/2018		S⁽¹⁾		100	D	$107.605	320,640	D

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Options (Right to Buy)	$59.41	02/28/2018		M			20,072	02/28/2015	02/28/2021	Common Stock	20,072	$0	0	D

Explanation of Responses:

1. This sale occurred pursuant to a 10b5-1 Trading Plan.

	/s/ James C. Foster	02/28/2018
	** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.