X0306
4
2018-01-02
0001100682
CHARLES RIVER LABORATORIES INTERNATIONAL INC
CRL
0001270263
BERTOLINI ROBERT J
CHARLES RIVER LABORATORIES
251 BALLARDVALE STREET
WILMINGTON
MA
01887
1
Common Stock
2018-01-02
4
S
0
200
110.07
D
25995
D
Common Stock
2018-01-02
4
S
0
200
110.08
D
25795
D
Common Stock
2018-01-02
4
S
0
93
110.09
D
25702
D
Common Stock
2018-01-02
4
S
0
7
110.105
D
25695
D
Common Stock
2018-01-02
4
S
0
400
110.11
D
25295
D
Common Stock
2018-01-02
4
S
0
300
110.12
D
24995
D
Common Stock
2018-01-02
4
S
0
100
110.14
D
24895
D
Common Stock
2018-01-02
4
S
0
300
110.15
D
24595
D
Common Stock
2018-01-02
4
S
0
279
110.16
D
24316
D
Common Stock
2018-01-02
4
S
0
500
110.19
D
23816
D
Common Stock
2018-01-02
4
S
0
30
110.22
D
23786
D
Common Stock
2018-01-02
4
S
0
100
110.28
D
23686
D
Common Stock
2018-01-02
4
S
0
100
110.30
D
23586
D
Common Stock
2018-01-02
4
S
0
100
110.35
D
23486
D
Common Stock
2018-01-02
4
S
0
100
110.36
D
23386
D
Common Stock
2018-01-02
4
S
0
200
110.37
D
23186
D
Common Stock
2018-01-02
4
S
0
100
110.385
D
23086
D
Common Stock
2018-01-02
4
S
0
91
110.39
D
22995
D
Common Stock
2018-01-02
4
S
0
9
110.41
D
22986
D
Common Stock
2018-01-02
4
S
0
100
110.415
D
22886
D
Common Stock
2018-01-02
4
S
0
100
110.43
D
22786
D
Common Stock
2018-01-02
4
S
0
100
110.50
D
22686
D
Common Stock
2018-01-02
4
S
0
100
110.55
D
22586
D
This sale occurred pursuant to a 10b5-1 Trading Plan.
/s/ Robert J. Bertolini
2018-01-03