CHARLES RIVER LABORATORIES INTERNATIONAL, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are CRL insiders buying or selling?
In the last 12 months, CHARLES RIVER LABORATORIES INTERNATIONAL, INC. insiders reported 2 open-market purchases ($7.3K) and 12 sales ($43.0M) — net selling of $43.0M. Since January 2018, Trabud has recorded 237 Form 4 filings for CRL: 10 buys ($5.1M) and 227 sells ($285.4M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $4.4K by Joseph W Laplume (EVP, Corp Strategy & Develop) on Mar 4, 2026. SEC ↗
- The most recent open-market purchase was reported on Oct 2, 2026 (16 days ago).
Key Statistics (January 2018 – Oct 8, 2026)
Total Form 4 filings
237
SEC EDGAR
Insider filers
18
Insider buys (10)
$5.1M
Insider sells (227)
$285.4M
Insider sentiment
Net sellingNet insider flow of $280.3M in net selling since January 2018, and $43.0M in net selling over the last 12 months. 1 insider buy in the last 90 days.
Recent CRL insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Shannon M Parisotto | CEVP, Disc & Safety Assessment | Sale | 981 | $308.44 | $302.6K | SEC ↗ |
| Oct 2, 2026 | Glenn Coleman | EVP & Chief Financial Officer | Purchase | 10 | $297.43 | $3.0K | SEC ↗ |
| Aug 27, 2026 | James C Foster | Director | Sale | 33.6K | $300.00 | $10.1M | SEC ↗ |
| Aug 20, 2026 | Shannon M Parisotto | CEVP, Disc & Safety Assessment | Sale | 2.0K | $294.12 | $599.7K | SEC ↗ |
| Aug 20, 2026 | Nancy C Andrews | Director | Sale | 573 | $285.24 | $163.4K | SEC ↗ |
| Aug 13, 2026 | Birgit Girshick | Chief Executive Officer | Sale | 6.5K | $279.90 | $1.8M | SEC ↗ |
| Aug 13, 2026 | Shannon M Parisotto | CEVP, Disc & Safety Assessment | Sale | 3.7K | $279.66 | $1.0M | SEC ↗ |
| Aug 11, 2026 | James C Foster | Director | Sale | 28.7K | $275.00 | $7.9M | SEC ↗ |
| Aug 10, 2026 | Michael Gunnar Knell | SVP, Finance and CAO | Sale | 6.6K | $260.38 | $1.7M | SEC ↗ |
| Aug 10, 2026 | Victoria L Creamer | EVP & Chief People Officer | Sale | 4.2K | $259.16 | $1.1M | SEC ↗ |
| Aug 6, 2026 | Shannon M Parisotto | CEVP, Disc & Safety Assessment | Sale | 5.0K | $263.00 | $1.3M | SEC ↗ |
| Jul 1, 2026 | James C Foster | Director | Sale | 75.0K | $225.00 | $16.9M | SEC ↗ |
| Mar 4, 2026 | Joseph W Laplume | EVP, Corp Strategy & Develop | Purchase | 25 | $174.54 | $4.4K | SEC ↗ |
| Jan 20, 2026 | Joseph W Laplume | EVP, Corp Strategy & Develop | Sale | 400 | $163.72 | $65.5K | SEC ↗ |
| Aug 20, 2025 | Joseph W Laplume | EVP, Corp Strategy & Develop | Sale | 800 | $157.60 | $126.1K | SEC ↗ |
| Aug 8, 2025 | Joseph W Laplume | EVP, Corp Strategy & Develop | Sale | 400 | $150.04 | $60.0K | SEC ↗ |
| May 16, 2025 | George Massaro | Director | Sale | 140 | $137.57 | $19.3K | SEC ↗ |
| May 15, 2025 | George Massaro | Director | Sale | 140 | $140.74 | $19.7K | SEC ↗ |
| May 15, 2025 | Joseph W Laplume | EVP, Corp Strategy & Develop | Sale | 500 | $145.41 | $72.7K | SEC ↗ |
| Feb 21, 2025 | James C Foster | Chairman, President and CEO | Purchase | 6.1K | $165.01 | $1.0M | SEC ↗ |
| Feb 21, 2025 | Birgit Girshick | Corporate Executive VP & COO | Purchase | 1.5K | $164.63 | $249.2K | SEC ↗ |
| Feb 21, 2025 | Joseph W Laplume | EVP, Corp Strategy & Develop | Sale | 4.4K | $162.50 | $715.0K | SEC ↗ |
| Nov 12, 2024 | Richard F Wallman | Director | Sale | 7.6K | $216.17 | $1.6M | SEC ↗ |
| Aug 12, 2024 | Joseph W Laplume | EVP, Corp Strategy & Develop | Sale | 1.8K | $199.36 | $354.9K | SEC ↗ |
| Aug 5, 2024 | James C Foster | Chairman, President and CEO | Sale | 25.0K | $250.00 | $6.3M | SEC ↗ |
Showing the 25 most recent of 237 Form 4 filings for CHARLES RIVER LABORATORIES INTERNATIONAL, INC..
Most active CRL insiders
- James C Foster79 filings
- David Ross Smith32 filings
- Joseph W Laplume26 filings
- Birgit Girshick17 filings
- George Massaro15 filings
Ask anything about CRL insider activity
Use Trabud's AI agent to query CHARLES RIVER LABORATORIES INTERNATIONAL, INC.'s Form 4 history in plain English — "Show me CRL CEO purchases this year" or compare it against any other ticker.
Open the AI agentCRL insider trading FAQ
Are CHARLES RIVER LABORATORIES INTERNATIONAL, INC. insiders buying or selling?
In the last 12 months, CHARLES RIVER LABORATORIES INTERNATIONAL, INC. insiders reported 2 open-market purchases ($7.3K) and 12 sales ($43.0M) — net selling of $43.0M. Since January 2018, Trabud has recorded 237 Form 4 filings for CRL: 10 buys ($5.1M) and 227 sells ($285.4M). Over the full record that is net selling of $280.3M.
How many insiders trade CRL stock?
18 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CHARLES RIVER LABORATORIES INTERNATIONAL, INC.. The most recent filing was accepted on Oct 8, 2026.
Where does Trabud get CRL insider trading data?
All CRL insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.