Michael G. Knell - 30 Jan 2026 Form 4 Insider Report for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

Role: CSVP, CAO, Interim CFO
Signature: /s/ Michael G. Knell
Issuer symbol: CRL
Transactions as of: 30 Jan 2026
Net transactions value: -$111,344
Form type: 4
Filing time: 02 Feb 2026, 16:39:56 UTC
Previous filing: 07 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Knell Michael Gunnar	CSVP, CAO, Interim CFO	C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON	/s/ Michael G. Knell	02 Feb 2026	0001543779

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CRL	Common Stock	Award	$0	+1,668	+12%	$0.000000	15,128	30 Jan 2026	Direct	F1
transaction	CRL	Common Stock	Tax liability	$111,344	-526	-3.5%	$211.68	14,602	30 Jan 2026	Direct

* 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.