CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. · Services · Market cap $16.5B
Insiders sold $26.0M net in the last 90 days ·6 sellers, 1 buyer· 7 of 10 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 8, 2026
Insider Buying
$7K
reported purchases (SEC code P)
Insider Selling
$43.0M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Latest filing
Oct 8, 2026
Parisotto Shannon M
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) has 57 SEC Form 4 filings (116 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Oct 8, 2026.
Inside the rolling window, 8 insiders at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. reported 2 open-market purchases totaling $7K and 12 open-market sales totaling $43.0M. The most active filer is CEVP, Disc & Safety Assessment Parisotto Shannon M with 4 filings. Insiders have net sold $42.9M over the trailing 6 months. The most recent open-market filing is a sale of 981 shares by CEVP, Disc & Safety Assessment Parisotto Shannon M, dated Oct 5, 2026, worth $303K.
- Industry:Medical - Diagnostics & Research
- CEO:Birgit Girshick
- Employees:19,000
- HQ:Wilmington, MA, US
- IPO:2000-06-23
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CEVP, Disc & Safety Assessment | Sale | 981 | $303K | Oct 8 | +15.7% | SEC ↗ | |
Coleman GlennFirst filing | EVP & Chief Financial Officer | Purchase | 10 | $3K | Oct 2 | +18.8% | SEC ↗ |
| Director | Sale | 33,561 | $10.1M | Aug 27 | +16.3% | SEC ↗ | |
| CEVP, Disc & Safety Assessment | Sale | 2,039 | $600K | Aug 20 | +18.3% | SEC ↗ | |
Andrews Nancy CFirst filing | Director | Sale | 573 | $163K | Aug 20 | +18.3% | SEC ↗ |
| CEVP, Disc & Safety Assessment | Sale | 3,714 | $1.0M | Aug 13 | +22.6% | SEC ↗ | |
Girshick BirgitFirst filing | Chief Executive Officer | Sale | 6,500 | $1.8M | Aug 13 | +22.6% | SEC ↗ |
| Director | Sale | 28,733 | $7.9M | Aug 11 | +22.3% | SEC ↗ | |
Knell Michael GunnarFirst filing | SVP, Finance and CAO | Sale | 6,645 | $1.7M | Aug 10 | +24.5% | SEC ↗ |
Creamer Victoria LFirst filing | EVP & Chief People Officer | Sale | 4,179 | $1.1M | Aug 10 | — | SEC ↗ |
Parisotto Shannon MFirst filing | CEVP, Disc & Safety Assessment | Sale | 5,046 | $1.3M | Aug 6 | — | SEC ↗ |
FOSTER JAMES CFirst filing | Director | Sale | 75,000 | $16.9M | Jul 1 | — | SEC ↗ |
| EVP, Corp Strategy & Develop | Purchase | 25 | $4K | Mar 4 | — | SEC ↗ | |
LaPlume Joseph WFirst filing | EVP, Corp Strategy & Develop | Sale | 400 | $65K | Jan 20 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading CRL 29 all-time
- RRep. Jefferson ShrevePurchase$15,001 - $50,0002025-05-08
- RRep. Jefferson ShreveSale$15,001 - $50,0002025-05-12
- RRep. Robert P. BresnahanSale$1,001 - $15,0002025-05-15
- RRep. Robert P. BresnahanPurchase$15,001 - $50,0002025-04-08
- DRep. Julie JohnsonPurchase$1,001 - $15,0002025-01-15
- DRep. Ro KhannaPurchase$1,001 - $15,0002024-11-15
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does CRL have?
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) has 57 SEC Form 4 filings (116 transaction rows) in the rolling 365-day window, disclosed by 8 distinct insiders. Most recent filing: Oct 8, 2026.
When was the most recent SEC Form 4 filing for CRL?
The most recent Form 4 filing for CRL on Tracefour is dated Oct 8, 2026.
Who is the most active insider at CRL?
The most active SEC Form 4 filer at CRL in the rolling window is CEVP, Disc & Safety Assessment Parisotto Shannon M, with 4 filings.
What is the net insider flow at CRL over the last 6 months?
Over the trailing 180 days, insiders at CRL have net sold $42.9M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at CRL in the current window?
Inside the rolling window, insiders at CRL bought $7K and sold $43.0M based on SEC Form 4 filings.
Can I get alerts for CRL insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. is in the Services sector.