CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Services-Commercial Physical & Biological ResearchNYSELarge accelerated filer
Total Trades
58
Buys
8
Sells
36
Largest Trade
$1M+
Insiders
10
Institutional Funds
492
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| LaPlume Joseph W | EVP | BUY | $1K–$15K | 25 | $174.54 | Mar 4, 2026 |
| LaPlume Joseph W | EVP | SELL | $50K–$100K | 400 | $163.72 | Jan 20, 2026 |
| MASSARO GEORGE | Director | SELL | $15K–$50K | 140 | $137.57 | May 16, 2025 |
| MASSARO GEORGE | Director | SELL | $15K–$50K | 140 | $140.74 | May 15, 2025 |
| LaPlume Joseph W | EVP | SELL | $50K–$100K | 500 | $145.41 | May 15, 2025 |
| FOSTER JAMES C | Chairman | BUY | $1M+ | 6K | $165.01 | Feb 21, 2025 |
| Girshick Birgit | Corporate Executiv… | BUY | $100K–$500K | 2K | $164.63 | Feb 21, 2025 |
| LaPlume Joseph W | EVP | SELL | $500K+ | 4K | $162.50 | Feb 21, 2025 |
| WALLMAN RICHARD F | Director | SELL | $1M+ | 8K | $216.17 | Nov 12, 2024 |
| Parisotto Shannon M | CEVP | SELL | $500K+ | 4K | $253.45 | Mar 4, 2024 |
| Creamer Victoria L | EVP & Chief People… | SELL | $1M+ | 5K | $253.70 | Mar 1, 2024 |
| Barbo William D | Corporate Executiv… | SELL | $1M+ | 4K | $248.50 | Feb 23, 2024 |
| Parisotto Shannon M | CEVP | EXERCISE | $500K+ | 6K | $144.67 | Feb 20, 2024 |
| Parisotto Shannon M | CEVP | SELL | $1M+ | 6K | $241.20 | Feb 20, 2024 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 838 | $238.93 | Feb 20, 2024 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 2K | $197.73 | Dec 1, 2023 |
| Girshick Birgit | Corporate Executiv… | BUY | $100K–$500K | 1K | $187.82 | Nov 21, 2023 |
| FOSTER JAMES C | Chairman | BUY | $1M+ | 6K | $178.05 | Nov 15, 2023 |
| LaPlume Joseph W | EVP | SELL | $1M+ | 9K | $173.48 | Nov 13, 2023 |
| LaPlume Joseph W | EVP | EXERCISE | $1M+ | 9K | $144.67 | Nov 13, 2023 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 1K | $198.79 | Aug 29, 2023 |
| Barbo William D | Corporate Executiv… | EXERCISE | $500K+ | 6K | $144.67 | Aug 14, 2023 |
| Barbo William D | Corporate Executiv… | SELL | $1M+ | 6K | $217.24 | Aug 14, 2023 |
| Knell Michael Gunnar | CSVP&Chief Account… | SELL | $100K–$500K | 1K | $216.54 | Aug 14, 2023 |
| Knell Michael Gunnar | CSVP&Chief Account… | EXERCISE | $100K–$500K | 1K | $144.67 | Aug 14, 2023 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 700 | $216.52 | Aug 14, 2023 |
| LaPlume Joseph W | EVP | SELL | $50K–$100K | 345 | $190.39 | May 16, 2023 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 959 | $193.03 | May 15, 2023 |
| MASSARO GEORGE | Director | SELL | $50K–$100K | 288 | $193.43 | May 15, 2023 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 2K | $220.73 | Feb 24, 2023 |
| Parisotto Shannon M | CEVP | SELL | $1M+ | 5K | $254.41 | Feb 21, 2023 |
| Parisotto Shannon M | CEVP | EXERCISE | $100K–$500K | 5K | $109.34 | Feb 21, 2023 |
| Girshick Birgit | Corporate Executiv… | SELL | $500K+ | 3K | $254.39 | Feb 17, 2023 |
| Girshick Birgit | Corporate Executiv… | EXERCISE | $100K–$500K | 3K | $109.34 | Feb 17, 2023 |
| FOSTER JAMES C | Chairman | SELL | $1M+ | 20K | $250.00 | Feb 17, 2023 |
| Barbo William D | Corporate Executiv… | EXERCISE | $100K–$500K | 3K | $109.34 | Dec 6, 2022 |
| Barbo William D | Corporate Executiv… | SELL | $500K+ | 3K | $219.91 | Dec 6, 2022 |
| WALLMAN RICHARD F | Director | BUY | $100K–$500K | 2K | $218.90 | Dec 6, 2022 |
| LaPlume Joseph W | EVP | SELL | $1M+ | 6K | $224.25 | Dec 5, 2022 |
| LaPlume Joseph W | EVP | EXERCISE | $500K+ | 6K | $109.34 | Dec 5, 2022 |
| Knell Michael Gunnar | CSVP&Chief Account… | SELL | $100K–$500K | 855 | $248.59 | Nov 17, 2022 |
| Knell Michael Gunnar | CSVP&Chief Account… | EXERCISE | $50K–$100K | 855 | $109.34 | Nov 17, 2022 |
| Parisotto Shannon M | CEVP | SELL | $500K+ | 2K | $249.90 | Nov 17, 2022 |
| Parisotto Shannon M | CEVP | EXERCISE | $100K–$500K | 2K | $109.34 | Nov 17, 2022 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 534 | $216.36 | Nov 7, 2022 |
| LaPlume Joseph W | EVP | SELL | $15K–$50K | 200 | $226.13 | Aug 8, 2022 |
| MASSARO GEORGE | Director | SELL | $15K–$50K | 178 | $230.96 | May 11, 2022 |
| Smith David Ross | Corporate Executiv… | SELL | $1M+ | 9K | $282.53 | Mar 4, 2022 |
| Smith David Ross | Corporate Executiv… | EXERCISE | $1M+ | 9K | $136.60 | Mar 4, 2022 |
| FOSTER JAMES C | Chairman | EXERCISE | $1M+ | 20K | $109.34 | Feb 25, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 492 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 1.9M | $1M+ | SH |
| HARRIS ASSOCIATES L P | 1.7M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| EARNEST PARTNERS LLC | 988K | $1M+ | SH |
| Neuberger Berman Group LLC | 845K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 836K | $1M+ | SH |
| MACKENZIE FINANCIAL CORP | 781K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 696K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 691K | $1M+ | SH |
| Alyeska Investment Group, L.P. | 645K | $1M+ | SH |
| COOKE & BIELER LP | 608K | $1M+ | SH |
| Clearbridge Investments, LLC | 512K | $1M+ | SH |
| NORGES BANK | 485K | $1M+ | SH |
| LSV ASSET MANAGEMENT | 476K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 454K | $1M+ | SH |
| Van Berkom & Associates Inc. | 451K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 300K | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 267K | $1M+ | SH |
| Walleye Capital LLC | 251K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 12, 2026
5.5%
2.7M shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2026
3.6%
1.7M shares
SC 13G/A · Nov 14, 2025
1.6%
808K shares
Wellington Management Group LLP
SC 13G/A · Nov 12, 2025
6.5%
3.2M shares
SC 13G · Aug 14, 2025
5.4%
2.7M shares
Wellington Management Group LLP
SC 13G/A · May 12, 2025
8.4%
4.3M shares
SC 13G/A · Apr 17, 2025
6.9%
3.5M shares
SC 13G/A · Nov 8, 2024
8.2%
4.2M shares
Wellington Management Group LLP
SC 13G · Nov 8, 2024
7.3%
3.7M shares
SC 13G/A · Oct 22, 2024
8.2%
4.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.7%
6.0M shares
SC 13G/A · Jan 24, 2024
10.1%
5.2M shares
SC 13G/A · Jul 7, 2023
10.2%
5.2M shares
SC 13G/A · Jan 31, 2023
1.1%
557K shares
SC 13G/A · Jan 24, 2023
9.8%
5.0M shares
SC 13G/A · Jan 28, 2022
10.1%
5.1M shares