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Charles River Laboratories International, Inc. (CRL)

Charles River Laboratories International, Inc. (CRL) Insider Trading

Directors, officers and holders of more than 10% of CRL report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 226 transactions on file: 1 with code P, 19 with code S and 30 with other codes.

DateInsiderCodeShares
Oct 22, 2026FOSTER JAMES CS Sale24,042
Oct 22, 2026FOSTER JAMES CM Exercise24,042
Oct 22, 2026FOSTER JAMES CM Exercise24,042
Oct 21, 2026Parisotto Shannon MS Sale2,156
Oct 21, 2026Parisotto Shannon MM Exercise2,156
Oct 21, 2026Parisotto Shannon MM Exercise2,156
Oct 5, 2026Parisotto Shannon MM Exercise981
Oct 5, 2026Parisotto Shannon MM Exercise981
Oct 5, 2026Parisotto Shannon MS Sale981
Sep 30, 2026Coleman GlennP Purchase10
Aug 25, 2026FOSTER JAMES CM Exercise21,132
Aug 25, 2026FOSTER JAMES CS Sale33,561
Aug 25, 2026FOSTER JAMES CM Exercise21,132
Aug 25, 2026FOSTER JAMES CM Exercise12,429
Aug 25, 2026FOSTER JAMES CM Exercise12,429
Aug 19, 2026Parisotto Shannon MS Sale2,039
Aug 19, 2026Parisotto Shannon MM Exercise2,039
Aug 19, 2026Parisotto Shannon MM Exercise2,039
Aug 19, 2026Girshick BirgitG Gift528
Aug 18, 2026Andrews Nancy CM Exercise573
Aug 18, 2026Andrews Nancy CS Sale573
Aug 18, 2026Andrews Nancy CM Exercise573
Aug 11, 2026Girshick BirgitM Exercise6,500
Aug 11, 2026Girshick BirgitM Exercise6,500
Aug 11, 2026Parisotto Shannon MM Exercise3,714
Aug 11, 2026Parisotto Shannon MS Sale3,714
Aug 11, 2026Girshick BirgitS Sale6,500
Aug 11, 2026Parisotto Shannon MM Exercise3,714
Aug 10, 2026FOSTER JAMES CM Exercise28,733
Aug 10, 2026LaPlume Joseph WG Gift257
Aug 10, 2026FOSTER JAMES CM Exercise28,733
Aug 10, 2026FOSTER JAMES CS Sale28,733
Aug 6, 2026Knell Michael GunnarS Sale810
Aug 6, 2026Knell Michael GunnarS Sale404
Aug 6, 2026Knell Michael GunnarS Sale1,205
Aug 6, 2026Knell Michael GunnarS Sale620
Aug 6, 2026Knell Michael GunnarS Sale213
Aug 6, 2026Knell Michael GunnarS Sale736
Aug 6, 2026Knell Michael GunnarM Exercise1,205
Aug 6, 2026Knell Michael GunnarM Exercise736
Aug 6, 2026Knell Michael GunnarS Sale482
Aug 6, 2026Knell Michael GunnarS Sale901
Aug 6, 2026Creamer Victoria LM Exercise4,179
Aug 6, 2026Knell Michael GunnarS Sale1,274
Aug 6, 2026Knell Michael GunnarM Exercise404
Aug 6, 2026Knell Michael GunnarM Exercise1,205
Aug 6, 2026Creamer Victoria LS Sale4,179
Aug 6, 2026Knell Michael GunnarM Exercise736
Aug 6, 2026Creamer Victoria LM Exercise4,179
Aug 6, 2026Knell Michael GunnarM Exercise404

The full Form 4 history is on the CRL company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.