Signature
/s/ Joseph W. LaPlume
Issuer symbol
CRL
Transactions as of
30 Jan 2026
Net transactions value
-$370,228
Form type
4
Filing time
03 Feb 2026, 16:36:02 UTC
Previous filing
20 Jan 2026
Next filing
04 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LaPlume Joseph W EVP, Corp Strategy & Develop C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON /s/ Joseph W. LaPlume 03 Feb 2026 0001767215

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CRL Common Stock Award $0 +5,456 +23% $0.000000 29,172 30 Jan 2026 Direct F1
transaction CRL Common Stock Tax liability $370,228 -1,749 -6% $211.68 27,423 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.