Birgit Girshick - 28 May 2021 Form 4 Insider Report for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

Role: Corporate Executive VP
Signature: /s/ Birgit Girshick
Issuer symbol: CRL
Transactions as of: 28 May 2021
Net transactions value: +$1,163,700
Form type: 4
Filing time: 01 Jun 2021, 17:58:26 UTC
Previous filing: 21 Nov 2023
Next filing: 15 Sep 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	Award	$0	+1,183	+4.1%	$0.000000	30,243	28 May 2021	Direct	F1
transaction	CRL	Common Stock	Tax liability	$73,006	-216	-0.71%	$337.99	30,027	29 May 2021	Direct

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)	Award	$1,236,705	+3,659		$337.99	3,659	28 May 2021	Common Stock	3,659	$337.99	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Unvested restricted stock units vest as follows: 295 on May 28, 2022, 296 on May 28, 2023, 296 on May 28, 2024 and 296 on May 28, 2025.
F2	Stock Options vest as follows: 914 on May 28, 2022, 915 on May 28, 2023, 915 on May 28, 2024 and 915 on May 28, 2025.