Birgit Girshick - 30 Jan 2026 Form 4 Insider Report for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

Role: Corporate Executive VP & COO
Signature: /s/ Birgit Girshick
Issuer symbol: CRL
Transactions as of: 30 Jan 2026
Net transactions value: -$647,952
Form type: 4
Filing time: 02 Feb 2026, 16:42:36 UTC
Previous filing: 03 Jun 2025
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Girshick Birgit	Corporate Executive VP & COO	C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON	/s/ Birgit Girshick	02 Feb 2026	0001732091

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CRL	Common Stock	Award	$0	+9,500	+46%	$0.000000	29,974	30 Jan 2026	Direct	F1
transaction	CRL	Common Stock	Tax liability	$647,952	-3,061	-10%	$211.68	26,913	30 Jan 2026	Direct
holding	CRL	Common Stock						45,470	30 Jan 2026	Revocable Trust	F2

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

Explanation of Responses:

Id	Content
F1	Reflects shares of common stock issued following the achievement of performance goals set forth in performance share unit awards originally granted on May 26, 2023.
F2	Reflects the exempt transfer pursuant to Rule 16a-13 of 45,470 shares held directly by the reporting person to a revocable trust controlled by the reporting person.