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CRL insider trading — Charles River Laboratories International, Inc.

Over the last 90 days, insiders at Charles River Laboratories International, Inc. (CRL) made 1 open-market purchase worth $3K and 3 open-market sales worth $2.98M, making them net sellers by $2.97M. The largest purchase was by Coleman Glenn (EVP & Chief Financial Officer), who bought 10 shares for $3K on Sep 30, 2026. The largest sale was by Knell Michael Gunnar (SVP, Finance and CAO), who sold 6,645 shares for $1.73M on Aug 6, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$3K
Insider selling · 90d
$2.98M
Net · 90d
−$2.97M
Last 30 days
1B / 0S

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Recent CRL insider transactions

Every Form 4 filed by Charles River Laboratories International, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 5, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentM · Option exercise · 10b5-1Direct981$208.44$204KForm 4
Oct 5, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentS · Sale · 10b5-1Direct981$308.44$303KForm 4
Sep 30, 2026Coleman GlennEVP & Chief Financial OfficerP · PurchaseDirect10$297.43$3KForm 4
Aug 25, 2026Foster James CDirectorM · Option exercise · 10b5-1Direct33,561$199.42$6.69MForm 4
Aug 25, 2026Foster James CDirectorS · Sale · 10b5-1Direct33,561$300.00$10.07MForm 4
Aug 19, 2026Girshick BirgitChief Executive OfficerG · GiftDirect528——Form 4
Aug 19, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentM · Option exercise · 10b5-1Direct2,039$194.12$396KForm 4
Aug 19, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentS · Sale · 10b5-1Direct2,039$294.12$600KForm 4
Aug 18, 2026Andrews Nancy CDirectorM · Option exerciseDirect573$164.30$94KForm 4
Aug 18, 2026Andrews Nancy CDirectorS · SaleDirect573$285.24$163KForm 4
Aug 11, 2026Girshick BirgitChief Executive OfficerM · Option exercise · 10b5-1Direct6,500$179.66$1.17MForm 4
Aug 11, 2026Girshick BirgitChief Executive OfficerS · Sale · 10b5-1Direct6,500$279.90$1.82MForm 4
Aug 11, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentM · Option exercise · 10b5-1Direct3,714$179.66$667KForm 4
Aug 11, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentS · Sale · 10b5-1Direct3,714$279.66$1.04MForm 4
Aug 10, 2026Laplume Joseph WEVP, Corp Strategy & DevelopG · GiftDirect257——Form 4
Aug 10, 2026Foster James CDirectorM · Option exercise · 10b5-1Direct28,733$179.66$5.16MForm 4
Aug 10, 2026Foster James CDirectorS · Sale · 10b5-1Direct28,733$275.00$7.90MForm 4
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOS · SaleDirect6,645$260.38$1.73MForm 4
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOM · Option exerciseDirect2,345$196.12$460KForm 4
Aug 6, 2026Creamer Victoria LEVP & Chief People OfficerM · Option exerciseDirect4,179$179.66$751KForm 4
Aug 6, 2026Creamer Victoria LEVP & Chief People OfficerS · SaleDirect4,179$259.16$1.08MForm 4
Aug 5, 2026Parisotto Shannon MCEVP, Disc & Safety AssessmentS · Sale · 10b5-1Direct5,046$263.00$1.33MForm 4

CRL insider trading FAQ

Are insiders buying CRL stock?

Yes. In the last 90 days, Charles River Laboratories International, Inc. insiders made 1 open-market purchase totaling $3K, and 3 open-market sales totaling $2.98M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading CRL?

Recent buyers: Coleman Glenn. Recent sellers: Andrews Nancy C, Creamer Victoria L, Knell Michael Gunnar.

Where does CRL insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.