Charles River Laboratories International, Inc.
CRL- Exchange
- NYSE
- Industry
- Services-Commercial Physical & Biological Research
- SEC CIK
- 0001100682
In the last 90 days, Charles River Laboratories International, Inc. insiders filed 0 open-market purchases and 10 sales; 569 institutions reported holding it in 13F filings for Q2 2026, worth $12.9B in total; Harris Associates (Oakmark) is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Charles River Laboratories International, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 10 filings
- 6 insiders, $42.6M in total
- Insiders trading
- 6
- Net value
- −$42.6M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Charles River Laboratories International, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Foster James C | Director | 31,596 | Aug 27, 2026 | 8 |
| Girshick Birgit | Chief Executive Officer | 35,485 | Aug 20, 2026 | 7 |
| Parisotto Shannon M | CEVP, Disc & Safety Assessment | 4,807 | Aug 20, 2026 | 7 |
| Andrews Nancy C | Director | 1,438 | Aug 20, 2026 | 3 |
| LaPlume Joseph W | EVP, Corp Strategy & Develop | 31,041 | Aug 11, 2026 | 6 |
| Knell Michael Gunnar | SVP, Finance and CAO | 11,852 | Aug 10, 2026 | 5 |
| Creamer Victoria L | EVP & Chief People Officer | 30,051 | Aug 10, 2026 | 4 |
| Barg Steven | Director | 3,287 | Jun 3, 2026 | 2 |
| Coleman Glenn | EVP & Chief Financial Officer | 27,752 | Jun 2, 2026 | 2 |
| Mintz Mark | EVP, Chief Information Officer | 9,546 | Jun 2, 2026 | 3 |
| Thompson Craig B. | Director | 3,851 | May 12, 2026 | 1 |
| Graves Paul W | Director | 2,384 | May 12, 2026 | 1 |
| Wilson Virginia M | Director | 6,349 | May 11, 2026 | 1 |
| Mackay Martin | Director | 17,137 | May 11, 2026 | 1 |
| Enyedy Mark J | Director | 2,384 | May 11, 2026 | 1 |
| Ceesay Abraham | Director | 2,384 | May 11, 2026 | 1 |
| Llado George Sr. | Director | 6,702 | May 11, 2026 | 1 |
| Kemps-Polanco Reshema | Director | 4,563 | May 11, 2026 | 1 |
| Pease Flavia | Corporate Executive VP & CFO | 17,297 | Jun 3, 2025 | 0 |
| Massaro George | Director | 5,575 | May 16, 2025 | 0 |
| Wallman Richard F | Director | 0Indirect | Nov 12, 2024 | 0 |
| Barbo William D | Corporate Executive VP & CCO | 23,337Indirect | Nov 8, 2024 | 0 |
| Bertolini Robert J | Director | 32,802 | May 15, 2024 | 0 |
| Kochevar Deborah Turner | Director | 7,894 | May 15, 2024 | 0 |
| Reese C Richard | Director | 65,541 | May 17, 2023 | 0 |
| Smith David Ross | Corporate Executive VP & CFO | 25,819 | Mar 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2024 (view filing) | Aug 8 | 4 days | LaPlume Joseph WEVP, Corp Strategy & Develop | SSale | −1.78K | $199.36 | −$354.9K | −7.3%22.5K after | |
| Nov 12, 2024 (view filing) | Nov 7 | 5 days | Wallman Richard FDirector | SSale | −6.62K | $216.12 | −$1.43M | −34.8%12.4K after | 2 lots |
| Nov 12, 2024 (view filing) | Nov 7 | 5 days | Wallman Richard FDirector | SSale | −1.00K | $216.50 | −$216.5K | −100.0%0 after | |
| Feb 21, 2025 (view filing) | Feb 20 | 1 day | LaPlume Joseph WEVP, Corp Strategy & Develop | SSale | −4.40K | $162.50 | −$715.0K | −18.0%20.0K after | |
| Feb 21, 2025 (view filing) | Feb 20 | 1 day | Girshick BirgitCorporate Executive VP & COO | PPurchase | +1.51K | $164.63 | +$249.2K | +2.8%55.1K after | |
| Feb 21, 2025 (view filing) | Feb 20 | 1 day | Foster James CChairman, President and CEO | PPurchase | +6.08K | $165.01 | +$1.00M | +3.4%183.6K after | |
| May 15, 2025 (view filing) | May 13 | 2 days | LaPlume Joseph WEVP, Corp Strategy & Develop | SSale | −500 | $145.41 | −$72.7K | −2.5%19.5K after | |
| May 15, 2025 (view filing) | May 14 | 1 day | Massaro GeorgeDirector | SSale | −140 | $140.74 | −$19.7K | −2.4%5.71K after | 5 lots10b5-1 |
| May 16, 2025 (view filing) | May 15 | 1 day | Massaro GeorgeDirector | SSale | −140 | $137.57 | −$19.3K | −2.4%5.58K after | 3 lots10b5-1 |
| Aug 8, 2025 (view filing) | Aug 7 | 1 day | LaPlume Joseph WEVP, Corp Strategy & Develop | SSale | −400 | $150.04 | −$60.0K | −1.6%24.9K after | |
| Aug 20, 2025 (view filing) | Aug 18 | 2 days | LaPlume Joseph WEVP, Corp Strategy & Develop | SSale | −800 | $157.60 | −$126.1K | −3.2%24.1K after | |
| Jan 20, 2026 (view filing) | Aug 22, 2025 | 151 daysLate | LaPlume Joseph WEVP, Corp Strategy & Develop | SSale | −400 | $163.72 | −$65.5K | −1.7%23.7K after | |
| Mar 4, 2026 (view filing) | Mar 3 | 1 day | LaPlume Joseph WEVP, Corp Strategy & Develop | PPurchase | +25 | $174.54 | +$4.36K | +0.1%27.4K after | |
| Jul 1, 2026 (view filing)4:59 PM ET | Jun 29 | 2 days | Foster James CDirector | SSale | −75.0K | $225.00 | −$16.9M | −70.4%31.6K after | 10b5-1 |
| Aug 6, 2026 (view filing)4:49 PM ET | Aug 5 | 1 day | Parisotto Shannon MCEVP, Disc & Safety Assessment | SSale | −5.05K | $263.00 | −$1.33M | −51.2%4.81K after | 10b5-1 |
| Aug 10, 2026 (view filing)4:35 PM ET | Aug 6 | 4 days | Creamer Victoria LEVP & Chief People Officer | SSale | −4.18K | $259.16 | −$1.08M | −12.2%30.1K after | |
| Aug 10, 2026 (view filing)4:40 PM ET | Aug 6 | 4 days | Knell Michael GunnarSVP, Finance and CAO | SSale | −6.64K | $260.38 | −$1.73M | −35.9%11.9K after | 9 lots |
| Aug 11, 2026 (view filing)4:35 PM ET | Aug 10 | 1 day | Foster James CDirector | SSale | −28.7K | $275.00 | −$7.90M | −47.6%31.6K after | 10b5-1 |
| Aug 13, 2026 (view filing)4:34 PM ET | Aug 11 | 2 days | Parisotto Shannon MCEVP, Disc & Safety Assessment | SSale | −3.71K | $279.66 | −$1.04M | −43.6%4.81K after | 10b5-1 |
| Aug 13, 2026 (view filing)4:37 PM ET | Aug 11 | 2 days | Girshick BirgitChief Executive Officer | SSale | −6.50K | $279.90 | −$1.82M | −15.3%36.0K after | 10b5-1 |
| Aug 20, 2026 (view filing)4:31 PM ET | Aug 18 | 2 days | Andrews Nancy CDirector | SSale | −573 | $285.24 | −$163.4K | −28.5%1.44K after | |
| Aug 20, 2026 (view filing)4:33 PM ET | Aug 19 | 1 day | Parisotto Shannon MCEVP, Disc & Safety Assessment | SSale | −2.04K | $294.12 | −$599.7K | −29.8%4.81K after | 10b5-1 |
| Aug 27, 2026 (view filing)4:21 PM ET | Aug 25 | 2 days | Foster James CDirector | SSale | −33.6K | $300.00 | −$10.1M | −51.5%31.6K after | 10b5-1 |