CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)
$291.50-$4.91 (-1.66%) Today
Charles River Laboratories was founded in 1947 and is a leading provider of drug discovery and development services. The company's research model & services segment is the leading provider of animal models for laboratory testing, which breeds and delivers animal research models with specific genetic characteristics for preclinical studies around the world. The discovery & safety assessment segment includes services required to take a drug through the early development process, including discovery services. The manufacturing support segment includes microbial solutions, which provide in vitro (nonanimal) testing products, biologics testing services, and avian vaccine services.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 18 | 165,990 | $42.61M |
| Grant or award | 8 | 36,147 | |
| Option exercise | 22 | 163,288 | |
| Tax withholding / forfeiture | 13 | 6,257 | |
| Bona-fide gift | 12 | 377,337 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
88 Form 4 filings on record, the earliest from Nov 8, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| James C. Foster - Director | Option exercise | Common Stock | 21,132 | $194.12 | $4.10M | |
| James C. Foster - Director | Option exercise | Common Stock | 12,429 | $208.44 | $2.59M | |
| James C. Foster - Director | Open-market sale | Common Stock | 33,561 | $300.00 | $10.07M | |
| James C. Foster - Director | Option exercise | Stock Options (Right to Buy) | 21,132 | $0.00 | - | |
| James C. Foster - Director | Option exercise | Stock Options (Right to Buy) | 12,429 | $0.00 | - | |
| Birgit Girshick - Officer | Gift | Common Stock | 528 | $0.00 | - | |
| Shannon M. Parisotto - Officer | Option exercise | Common Stock | 2,039 | $194.12 | $396K | |
| Shannon M. Parisotto - Officer | Open-market sale | Common Stock | 2,039 | $294.12 | $600K | |
| Shannon M. Parisotto - Officer | Option exercise | Stock Options (Right to Buy) | 2,039 | $0.00 | - | |
| Nancy C. Andrews - Director | Option exercise | Common Stock | 573 | $164.30 | $94K | |
| Nancy C. Andrews - Director | Open-market sale | Common Stock | 573 | $285.24 | $163K | |
| Nancy C. Andrews - Director | Option exercise | Stock Options (Right to Buy) | 573 | $0.00 | - | |
| Birgit Girshick - Officer | Option exercise | Common Stock | 6,500 | $179.66 | $1.17M | |
| Birgit Girshick - Officer | Open-market sale | Common Stock | 6,500 | $279.90 | $1.82M | |
| Birgit Girshick - Officer | Option exercise | Stock Options (Right to Buy) | 6,500 | $0.00 | - | |
| Shannon M. Parisotto - Officer | Option exercise | Common Stock | 3,714 | $179.66 | $667K | |
| Shannon M. Parisotto - Officer | Open-market sale | Common Stock | 3,714 | $279.66 | $1.04M | |
| Shannon M. Parisotto - Officer | Option exercise | Stock Options (Right to Buy) | 3,714 | $0.00 | - | |
| Joseph W. Laplume - Officer | Gift | Common Stock | 257 | $0.00 | - | |
| James C. Foster - Director | Option exercise | Common Stock | 28,733 | $179.66 | $5.16M | |
| James C. Foster - Director | Open-market sale | Common Stock | 28,733 | $275.00 | $7.90M | |
| James C. Foster - Director | Option exercise | Stock Options (Right to Buy) | 28,733 | $0.00 | - | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 1,274 | $259.07 | $330K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 901 | $260.63 | $235K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 810 | $261.45 | $212K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 213 | $262.37 | $56K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 620 | $263.94 | $164K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 482 | $265.17 | $128K | |
| Michael Gunnar Knell - Officer | Option exercise | Common Stock | 404 | $179.66 | $73K | |
| Michael Gunnar Knell - Officer | Option exercise | Common Stock | 1,205 | $194.12 | $234K | |
| Michael Gunnar Knell - Officer | Option exercise | Common Stock | 736 | $208.44 | $153K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 404 | $258.53 | $104K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 1,205 | $258.53 | $312K | |
| Michael Gunnar Knell - Officer | Open-market sale | Common Stock | 736 | $258.53 | $190K | |
| Michael Gunnar Knell - Officer | Option exercise | Stock Options (Right to Buy) | 404 | $0.00 | - | |
| Michael Gunnar Knell - Officer | Option exercise | Stock Options (Right to Buy) | 1,205 | $0.00 | - | |
| Michael Gunnar Knell - Officer | Option exercise | Stock Options (Right to Buy) | 736 | $0.00 | - | |
| Victoria L. Creamer - Officer | Option exercise | Common Stock | 4,179 | $179.66 | $751K | |
| Victoria L. Creamer - Officer | Open-market sale | Common Stock | 4,179 | $259.16 | $1.08M | |
| Victoria L. Creamer - Officer | Option exercise | Stock Options (Right to Buy) | 4,179 | $0.00 | - | |
| Shannon M. Parisotto - Officer | Open-market sale | Common Stock | 5,046 | $263.00 | $1.33M | |
| James C. Foster - Director | Open-market sale | Common Stock | 75,000 | $225.00 | $16.88M | |
| James C. Foster - Director | Gift | Common Stock | 153,361 | $0.00 | - | |
| James C. Foster - Director | Gift | Common Stock | 153,361 | $0.00 | - | |
| James C. Foster - Director | Gift | Common Stock | 20,000 | $0.00 | - | |
| James C. Foster - Director | Gift | Common Stock | 20,000 | $0.00 | - | |
| James C. Foster - Director | Gift | Common Stock | 10,000 | $0.00 | - | |
| James C. Foster - Director | Gift | Common Stock | 10,000 | $0.00 | - | |
| Birgit Girshick - Officer | Gift | Common Stock | 3,386 | $0.00 | - | |
| Birgit Girshick - Officer | Gift | Common Stock | 3,386 | $0.00 | - | |
| Shannon M. Parisotto - Officer | Gift | Common Stock | 1,529 | $0.00 | - | |
| Shannon M. Parisotto - Officer | Gift | Common Stock | 1,529 | $0.00 | - | |
| Steven Barg - Director | Grant or award | Common Stock | 422 | $174.79 | $74K | |
| Glenn Coleman - Officer | Grant or award | Common Stock | 6,640 | $180.71 | $1.20M | |
| Mark Mintz - Officer | Tax withholding / forfeiture | Common Stock | 305 | $180.71 | $55K | |
| Mark Mintz - Officer | Tax withholding / forfeiture | Common Stock | 64 | $180.71 | $12K | |
| Mark Mintz - Officer | Grant or award | Common Stock | 2,534 | $180.71 | $458K | |
| Joseph W. Laplume - Officer | Tax withholding / forfeiture | Common Stock | 744 | $180.71 | $134K | |
| Joseph W. Laplume - Officer | Tax withholding / forfeiture | Common Stock | 235 | $180.71 | $42K | |
| Joseph W. Laplume - Officer | Grant or award | Common Stock | 5,257 | $180.71 | $950K | |
| Michael Gunnar Knell - Officer | Tax withholding / forfeiture | Common Stock | 152 | $180.71 | $27K | |
| Michael Gunnar Knell - Officer | Tax withholding / forfeiture | Common Stock | 48 | $180.71 | $9K | |
| Michael Gunnar Knell - Officer | Grant or award | Common Stock | 1,837 | $180.71 | $332K | |
| Birgit Girshick - Officer | Tax withholding / forfeiture | Common Stock | 1,204 | $180.71 | $218K | |
| Birgit Girshick - Officer | Tax withholding / forfeiture | Common Stock | 378 | $180.71 | $68K | |
| Birgit Girshick - Officer | Grant or award | Common Stock | 9,961 | $180.71 | $1.80M | |
| James C. Foster - Director | Tax withholding / forfeiture | Common Stock | 1,596 | $180.71 | $288K | |
| Victoria L. Creamer - Officer | Tax withholding / forfeiture | Common Stock | 616 | $180.71 | $111K | |
| Victoria L. Creamer - Officer | Tax withholding / forfeiture | Common Stock | 194 | $180.71 | $35K | |
| Victoria L. Creamer - Officer | Grant or award | Common Stock | 5,135 | $180.71 | $928K | |
| Shannon M. Parisotto - Officer | Tax withholding / forfeiture | Common Stock | 551 | $180.71 | $100K | |
| Shannon M. Parisotto - Officer | Tax withholding / forfeiture | Common Stock | 170 | $180.71 | $31K | |
| Shannon M. Parisotto - Officer | Grant or award | Common Stock | 4,361 | $180.71 | $788K | |
| Victoria L. Creamer - Officer | Tax withholding / forfeiture | Common Stock | 198 | $160.30 | $32K | |
| Victoria L. Creamer - Officer | Tax withholding / forfeiture | Common Stock | 148 | $156.73 | $23K | |
| Shannon M. Parisotto - Officer | Tax withholding / forfeiture | Common Stock | 168 | $160.30 | $27K | |
| Shannon M. Parisotto - Officer | Tax withholding / forfeiture | Common Stock | 105 | $156.73 | $16K | |
| Shannon M. Parisotto - Officer | Gift | Common Stock | 7,169 | $0.00 | - | |
| Shannon M. Parisotto - Officer | Gift | Common Stock | 7,169 | $0.00 | - | |
| Mark Mintz - Officer | Tax withholding / forfeiture | Common Stock | 64 | $160.30 | $10K | |
| Mark Mintz - Officer | Tax withholding / forfeiture | Common Stock | 47 | $156.73 | $7K | |
| Birgit Girshick - Officer | Tax withholding / forfeiture | Common Stock | 376 | $160.30 | $60K | |
| Birgit Girshick - Officer | Tax withholding / forfeiture | Common Stock | 242 | $156.73 | $38K | |
| Michael Gunnar Knell - Officer | Tax withholding / forfeiture | Common Stock | 50 | $160.30 | $8K | |
| Michael Gunnar Knell - Officer | Tax withholding / forfeiture | Common Stock | 37 | $156.73 | $6K | |
| Joseph W. Laplume - Officer | Tax withholding / forfeiture | Common Stock | 243 | $160.30 | $39K | |
| Joseph W. Laplume - Officer | Tax withholding / forfeiture | Common Stock | 185 | $156.73 | $29K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| FOSTER JAMES C | Director | 33,561 | $10.07M | View on EDGAR | |
| Parisotto Shannon M | Officer | 2,039 | $600K | View on EDGAR | |
| Nancy C Andrews | Director | 573 | $163K | View on EDGAR |
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) had 24 insider filings in the last 90 days, with the most recent on 2026-08-27. The full record for CRL runs to 88 Form 4 filings, the earliest from 2024-11-08. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of CRL were filed in the last 90 days. 1 purchase is on record for this company.
18 insider sales of CRL were filed in the last 90 days, totaling $42.61M.
This page tracks CRL Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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