Signature
/s/ Michael G. Knell
Issuer symbol
CRL
Transactions as of
06 Nov 2025
Net transactions value
+$499,995
Form type
4
Filing time
07 Nov 2025, 16:35:20 UTC
Previous filing
03 Jun 2025
Next filing
02 Feb 2026

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 07 Nov 2025 0001543779

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CRL Common Stock Award $499,995 +2,926 +28% $170.88 13,460 06 Nov 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 50% of the unvested restricted stock units vest on November 6, 2026, with the remaining 50% vesting on November 6, 2027.