Company profile
Charles River Laboratories International, Inc. Insider Trading
CRLEvery SEC Form 4 insider trading filing for Charles River Laboratories International, Inc. (CRL) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Services-Commercial Physical & Biological Research
- CIK
- 0001100682
- Filings
- 202
- Insiders
- 25
- Last filing
- 2026-08-19
Activity summary
Recent insider activity is bullish. Over the last 30 days, 18 insiders purchased shares (net $5.7M) versus 11 sales. Buying was led by Foster James C.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Charles River Laboratories International, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $18.3M.
90 day insight
Over the last 90 days, Charles River Laboratories International, Inc. insiders bought $8.8M (19 transactions) and sold $3.0M (13 transactions).
- Most active insider: Knell Michael Gunnar with 15 transactions totaling $2.2M.
- Largest single sale: $16.9M by Foster James C on Jun 29, 2026.
- 32% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity is mixed — buys and sales are roughly balanced.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Parisotto Shannon M | CRL | Sale10b5 | 2,039 | $294.12 | $600K |
| Aug 19, 2026 | Parisotto Shannon M | CRL | Option Exercise | 2,039 | — | — |
| Aug 19, 2026 | Parisotto Shannon M | CRL | Option Exercise | 2,039 | $194.12 | $396K |
| Aug 19, 2026 | Girshick Birgit | CRL | Gift | 528 | — | — |
| Aug 18, 2026 | Andrews Nancy C | CRL | Option Exercise | 573 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Charles River Laboratories International, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →