The Filings Report

Charles River Laboratories International, Inc. insider trading

CRLfinancial statementsForm 4 filings on EDGAR202 transactions since Nov 3, 2024

From August 6, 2026 to November 3, 2026, 1 insider at Charles River Laboratories International, Inc. bought $3K of stock in the open market, and 6 sold $34M. Officers and directors accounted for $3K of purchases and $34M of sales. The last reported transaction was an option exercise by Foster James C on October 22, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 26, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

CRL daily priceSplit-adjusted prices in US dollars

Bought $3KSold $34MAug 6, 2026 – Nov 3, 2026

Nov 3, 2026O $339.88 · H $356.35 · L $338.55 · C $351.87Bought $0 (0)Sold $0 (0)
$248$283$318$352$3872026-08-06: open $264.89, high $268.00, low $255.79, close $265.512026-08-07: open $261.53, high $267.59, low $260.82, close $267.492026-08-10: open $265.65, high $277.07, low $265.49, close $277.002026-08-11: open $274.86, high $282.39, low $271.84, close $282.002026-08-12: open $282.92, high $288.02, low $280.00, close $284.372026-08-13: open $286.30, high $287.79, low $278.84, close $281.272026-08-14: open $280.06, high $283.20, low $276.66, close $280.052026-08-17: open $279.48, high $288.88, low $279.03, close $286.642026-08-18: open $286.40, high $289.60, low $279.06, close $279.192026-08-19: open $284.22, high $294.56, low $280.68, close $290.002026-08-20: open $285.72, high $299.32, low $281.73, close $291.452026-08-21: open $291.78, high $298.18, low $289.07, close $295.192026-08-24: open $297.63, high $299.02, low $290.73, close $298.582026-08-25: open $299.93, high $300.59, low $295.36, close $297.642026-08-26: open $293.17, high $299.53, low $290.01, close $295.102026-08-27: open $297.01, high $303.31, low $295.93, close $296.412026-08-28: open $291.66, high $294.89, low $289.60, close $291.502026-08-31: open $285.91, high $291.41, low $284.34, close $288.242026-09-01: open $289.26, high $290.53, low $280.91, close $282.342026-09-02: open $285.49, high $292.55, low $282.56, close $291.762026-09-03: open $294.21, high $295.77, low $285.56, close $293.352026-09-04: open $288.29, high $291.69, low $285.34, close $288.502026-09-08: open $285.60, high $285.94, low $280.16, close $280.762026-09-09: open $278.54, high $280.75, low $275.00, close $278.352026-09-10: open $275.38, high $275.88, low $272.06, close $273.002026-09-11: open $276.01, high $280.40, low $275.63, close $278.262026-09-14: open $278.27, high $279.64, low $267.27, close $273.112026-09-15: open $272.27, high $276.09, low $269.93, close $272.882026-09-16: open $272.78, high $282.91, low $270.88, close $273.412026-09-17: open $280.11, high $285.58, low $274.40, close $281.672026-09-18: open $281.26, high $283.00, low $276.00, close $278.062026-09-21: open $279.37, high $281.63, low $275.88, close $279.012026-09-22: open $280.19, high $290.11, low $277.41, close $285.112026-09-23: open $283.85, high $291.09, low $276.64, close $277.332026-09-24: open $277.00, high $298.40, low $276.95, close $294.442026-09-25: open $293.19, high $295.23, low $287.23, close $292.842026-09-28: open $289.13, high $296.88, low $289.13, close $294.592026-09-29: open $294.71, high $298.20, low $289.38, close $295.962026-09-30: open $296.97, high $298.98, low $293.46, close $295.012026-10-01: open $291.86, high $297.00, low $284.61, close $286.832026-10-02: open $287.91, high $290.61, low $285.75, close $290.192026-10-05: open $292.05, high $312.26, low $292.02, close $310.772026-10-06: open $319.80, high $333.30, low $300.01, close $304.962026-10-07: open $303.38, high $305.18, low $294.28, close $300.302026-10-08: open $297.01, high $298.27, low $288.43, close $298.002026-10-09: open $294.60, high $305.21, low $294.60, close $301.792026-10-12: open $301.80, high $303.10, low $299.27, close $301.862026-10-13: open $301.00, high $302.77, low $295.15, close $299.022026-10-14: open $297.53, high $310.53, low $296.00, close $302.002026-10-15: open $301.81, high $309.48, low $295.40, close $306.242026-10-16: open $306.09, high $308.83, low $296.35, close $300.152026-10-19: open $303.33, high $305.99, low $297.56, close $300.022026-10-20: open $308.84, high $317.59, low $304.00, close $315.452026-10-21: open $313.83, high $348.95, low $313.83, close $344.872026-10-22: open $341.43, high $351.21, low $337.78, close $339.662026-10-23: open $337.78, high $347.20, low $332.17, close $345.372026-10-26: open $347.59, high $357.77, low $345.89, close $357.272026-10-27: open $351.95, high $359.89, low $351.95, close $358.842026-10-28: open $360.01, high $378.23, low $360.01, close $373.982026-10-29: open $375.00, high $379.63, low $368.63, close $376.102026-10-30: open $372.99, high $374.56, low $351.98, close $359.412026-11-02: open $368.42, high $369.61, low $337.37, close $338.542026-11-03: open $339.88, high $356.35, low $338.55, close $351.87Insider purchases / sales · USD$20M$0−$20M2026-08-06: 0 purchases ($0), 10 sales ($3M)2026-08-10: 0 purchases ($0), 1 sales ($8M)2026-08-11: 0 purchases ($0), 2 sales ($3M)2026-08-18: 0 purchases ($0), 1 sales ($163K)2026-08-19: 0 purchases ($0), 1 sales ($600K)2026-08-25: 0 purchases ($0), 1 sales ($10M)2026-09-30: 1 purchases ($3K), 0 sales ($0)2026-10-05: 0 purchases ($0), 1 sales ($303K)2026-10-21: 0 purchases ($0), 1 sales ($743K)2026-10-22: 0 purchases ($0), 1 sales ($8M)Aug 6Aug 28Sep 21Oct 13Nov 3

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 3, 2026. Insider data through Nov 3, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

202 transactions from November 3, 2024 to November 3, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 22, 2026Foster James CDirectoroption exercise24,042$244.41$6M55,638Oct 26, 2026
Oct 22, 2026Foster James CDirectoropen-market sale10b5-124,042$350.00$8M31,596Oct 26, 2026
Oct 21, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentoption exercise2,156$244.41$527K6,963Oct 23, 2026
Oct 21, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentopen-market sale10b5-12,156$344.41$743K4,807Oct 23, 2026
Oct 5, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentoption exercise981$208.44$204K5,788Oct 7, 2026
Oct 5, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentopen-market sale10b5-1981$308.44$303K4,807Oct 7, 2026
Sep 30, 2026Coleman GlennEVP & Chief Financial Officeropen-market buy10$297.43$3K27,762Oct 2, 2026
Aug 25, 2026Foster James CDirectoroption exercise21,132$194.12$4M52,728Aug 27, 2026
Aug 25, 2026Foster James CDirectoroption exercise12,429$208.44$3M65,157Aug 27, 2026
Aug 25, 2026Foster James CDirectoropen-market sale10b5-133,561$300.00$10M31,596Aug 27, 2026
Aug 19, 2026Girshick BirgitChief Executive Officer, Directorgift528$0.00—35,485Aug 20, 2026
Aug 19, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentoption exercise2,039$194.12$396K6,846Aug 20, 2026
Aug 19, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentopen-market sale10b5-12,039$294.12$600K4,807Aug 20, 2026
Aug 18, 2026Andrews Nancy CDirectoroption exercise573$164.30$94K2,011Aug 20, 2026
Aug 18, 2026Andrews Nancy CDirectoropen-market sale573$285.24$163K1,438Aug 20, 2026
Aug 11, 2026Girshick BirgitChief Executive Officer, Directoroption exercise6,500$179.66$1M42,513Aug 13, 2026
Aug 11, 2026Girshick BirgitChief Executive Officer, Directoropen-market sale10b5-16,500$279.90$2M36,013Aug 13, 2026
Aug 11, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentoption exercise3,714$179.66$667K8,521Aug 13, 2026
Aug 11, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentopen-market sale10b5-13,714$279.66$1M4,807Aug 13, 2026
Aug 10, 2026LaPlume Joseph WEVP, Corp Strategy & Developgift257$0.00—31,041Aug 11, 2026
Aug 10, 2026Foster James CDirectoroption exercise28,733$179.66$5M60,329Aug 11, 2026
Aug 10, 2026Foster James CDirectoropen-market sale10b5-128,733$275.00$8M31,596Aug 11, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale1,274$259.07$330K14,878Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale901$260.63$235K13,977Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale810$261.45$212K13,167Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale213$262.37$56K12,954Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale620$263.94$164K12,334Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale482$265.17$128K11,852Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOoption exercise404$179.66$73K12,256Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOoption exercise1,205$194.12$234K13,461Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOoption exercise736$208.44$153K14,197Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale404$258.53$104K13,793Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale1,205$258.53$312K12,588Aug 10, 2026
Aug 6, 2026Knell Michael GunnarSVP, Finance and CAOopen-market sale736$258.53$190K11,852Aug 10, 2026
Aug 6, 2026Creamer Victoria LEVP & Chief People Officeroption exercise4,179$179.66$751K34,230Aug 10, 2026
Aug 6, 2026Creamer Victoria LEVP & Chief People Officeropen-market sale4,179$259.16$1M30,051Aug 10, 2026
Aug 5, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentopen-market sale10b5-15,046$263.00$1M4,807Aug 6, 2026
Jun 29, 2026Foster James CDirectoropen-market sale10b5-175,000$225.00$17M31,596Jul 1, 2026
Jun 5, 2026Foster James CDirectorgift153,361$0.00—126,596Jun 8, 2026
Jun 5, 2026Foster James CDirectorgiftindirect153,361$0.00—155,611Jun 8, 2026
Jun 5, 2026Foster James CDirectorgift20,000$0.00—106,596Jun 8, 2026
Jun 5, 2026Foster James CDirectorgiftindirect20,000$0.00—20,000Jun 8, 2026
Jun 5, 2026Foster James CDirectorgiftindirect10,000$0.00—0Jun 8, 2026
Jun 5, 2026Foster James CDirectorgiftindirect10,000$0.00—10,000Jun 8, 2026
Jun 5, 2026Girshick BirgitChief Executive Officergift3,386$0.00—36,013Jun 8, 2026
Jun 5, 2026Girshick BirgitChief Executive Officergiftindirect3,386$0.00—43,803Jun 8, 2026
Jun 5, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentgift1,529$0.00—9,853Jun 8, 2026
Jun 5, 2026Parisotto Shannon MCEVP, Disc & Safety Assessmentgiftindirect1,529$0.00—9,680Jun 8, 2026
Jun 2, 2026Barg StevenDirectoraward422$174.79$74K3,287Jun 3, 2026
May 31, 2026Mintz MarkEVP, Chief Information Officertax withholding64$180.71$12K9,546Jun 2, 2026

Who the insiders are

Everyone who reported a transaction since November 3, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Foster James CChairman, President and CEO, DirectorOct 22, 2026option exercise55,638—$43M (4)4 of 4
Parisotto Shannon MCEVP, Disc & Safety AssessmentOct 21, 2026option exercise6,963—$4M (5)5 of 5
Girshick BirgitChief Executive Officer, DirectorAug 19, 2026gift35,485—$2M (1)1 of 1
Knell Michael GunnarSVP, Finance and CAOAug 6, 2026open-market sale14,878—$2M (9)0 of 9
Creamer Victoria LEVP & Chief People OfficerAug 6, 2026option exercise34,230—$1M (1)0 of 1
Andrews Nancy CDirectorAug 18, 2026option exercise2,011—$163K (1)0 of 1
LaPlume Joseph WEVP, Corp Strategy & DevelopAug 10, 2026gift31,041$4K (1)——
Coleman GlennEVP & Chief Financial OfficerSep 30, 2026open-market buy27,762$3K (1)——
Massaro GeorgeDirectorMay 15, 2025open-market sale5,680———
Mintz MarkEVP, Chief Information OfficerMay 31, 2026tax withholding9,546———
Pease FlaviaCorporate Executive VP & CFOMay 31, 2025tax withholding17,297———
Barg StevenDirectorJun 2, 2026award3,287———
Mackay MartinDirectorMay 8, 2026award15,730———
Llado George Sr.DirectorMay 8, 2026award6,252———
Kemps-Polanco ReshemaDirectorMay 8, 2026award4,028———
Wallman Richard FDirectorNov 7, 2024open-market sale12,386———
Thompson Craig B.DirectorMay 8, 2026award3,851———
Graves Paul WDirectorMay 8, 2026award2,384———
Ceesay AbrahamDirectorMay 8, 2026award2,384———
Enyedy Mark JDirectorMay 8, 2026award2,384———
Wilson Virginia MDirectorMay 8, 2026award6,349———
Barbo William DCorporate Executive VP & CCONov 7, 2024gift————

Questions

Are Charles River Laboratories International, Inc. insiders buying or selling?

Over the twelve months to November 3, 2026, 6 insiders at Charles River Laboratories International, Inc. sold $52M of stock in the open market, all by officers and directors, and 2 insiders bought $7K, all by officers and directors. Net, insiders sold $52M. Only open-market purchases and sales are counted.

Who sold the most Charles River Laboratories International, Inc. stock in the last year?

Foster James C (Director) sold $43M in 4 open-market sales over the twelve months to November 3, 2026.

Do Charles River Laboratories International, Inc. executives sell under 10b5-1 plans?

10 of the 21 open-market sales in the last twelve months (48%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Charles River Laboratories International, Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.