Michael G. Knell - 03 Jun 2021 Form 4 Insider Report for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

Role: CSVP&Chief Accounting Officer
Signature: /s/ Michael G. Knell
Issuer symbol: CRL
Transactions as of: 03 Jun 2021
Net transactions value: -$182,634
Form type: 4
Filing time: 04 Jun 2021, 09:34:16 UTC
Previous filing: 01 Jun 2021
Next filing: 07 Jun 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CRL	Common Stock	Options Exercise	$30,113	+333	+7.9%	$90.43	4,563	03 Jun 2021	Direct
transaction	CRL	Common Stock	Options Exercise	$51,062	+467	+10%	$109.34	5,030	03 Jun 2021	Direct
transaction	CRL	Common Stock	Sale	$263,809	-800	-16%	$329.76	4,230	03 Jun 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CRL	Stock Options (Right to Buy)	Options Exercise	$0	-333	-100%	$0.000000^*	0	03 Jun 2021	Common Stock	333	$90.43	Direct
transaction	CRL	Stock Options (Right to Buy)	Options Exercise	$0	-467	-27%	$0.000000	1,243	03 Jun 2021	Common Stock	467	$109.34	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $329.7552 to $329.8020. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.