As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 5/16/24  Massaro George                    4          Director²   1:7K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Wilson Virginia M                 4          Director²   1:6K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Andrews Nancy C                   4          Director²   1:6K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Mackay Martin                     4          Director²   1:7K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Thompson Craig B.                 4          Director²   1:6K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Wallman Richard F                 4          Director²   1:7K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Bertolini Robert J                4          Director²   1:7K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Kemps-Polanco Reshema             4          Director²   1:7K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Llado George Sr.                  4          Director²   1:7K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Massaro George                    4          Director²   1:6K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Kochevar Deborah Turner           4          Director²   1:6K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/15/24  Massaro George                    144                    1:4K   Charles River Labs Int’l, Inc.    UBS Fin’l Svcs In… Gp/FA 
 5/14/24  LaPlume Joseph W                  4          Officer²    1:4K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 5/10/24  Charles River Labs Int’l, Inc.    8-K:5        5/8/24   10:160K                                                            
 5/10/24  LaPlume Joseph W                  144                    1:5K   Charles River Labs Int’l, Inc.    UBS Fin’l Svcs In… Gp/FA 
  5/9/24  Charles River Labs Int’l, Inc.    S-3ASR       5/9/24    9:1.4M                                   Davis Polk & … LLP 01/FA 
  5/9/24  Charles River Labs Int’l, Inc.    10-Q        3/30/24   87:8.1M                                                            
  5/9/24  Charles River Labs Int’l, Inc.    8-K:2,9      5/9/24   11:538K                                                            
  5/3/24  Pease Flavia                      4          Officer²    1:4K   Charles River Labs Int’l, Inc.    Computershare Inc.       
 4/24/24  Charles River Labs Int’l, Inc.    DEFA14A                1:40K                                    Davis Polk & … LLP 01/FA 

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¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-Q	Quarterly Report — Form 10-Q.
	144	Notice of a Proposed Sale of Securities by an Insider — Form 144 { The Filer is an Insider² of the Issuer }.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	S-3ASR	Automatic Shelf Registration Statement by a Well-Known Issuer — Form S-3.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.