Signature
/s/ Shannon M. Parisotto
Issuer symbol
CRL
Transactions as of
30 Jan 2026
Net transactions value
-$225,863
Form type
4
Filing time
02 Feb 2026, 16:32:20 UTC
Previous filing
03 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Parisotto Shannon M CEVP, Disc & Safety Assessment C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON /s/ Shannon M. Parisotto 30 Jan 2026 0001952784

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CRL Common Stock Award $0 +4,236 +35% $0.000000 16,251 30 Jan 2026 Direct F1
transaction CRL Common Stock Tax liability $225,863 -1,067 -6.6% $211.68 15,184 30 Jan 2026 Direct
holding CRL Common Stock 982 30 Jan 2026 By Trust F2
holding CRL Common Stock 28,510 30 Jan 2026 by Karpathos Investments LLC
* 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 982 shares held by the reporting person to a revocable trust controlled by the reporting person.