Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| CRL | Foster James C | Director | 08/25/2026 | Verkauf | 300.00 | 33,561 | 10,068,300 | Form 4 |
| CRL | Foster James C | Director | 08/25/2026 | Optionsausübung | 208.44 | 12,429 | 2,590,701 | Form 4 |
| CRL | Foster James C | Director | 08/25/2026 | Optionsausübung | 194.12 | 21,132 | 4,102,144 | Form 4 |
| CRL | Girshick Birgit | Chief Executive Officer | 08/19/2026 | Schenkung | — | 528 | — | Form 4 |
| CRL | Parisotto Shannon M | CEVP, Disc & Safety Assessment | 08/19/2026 | Verkauf | 294.12 | 2,039 | 599,711 | Form 4 |
| CRL | Parisotto Shannon M | CEVP, Disc & Safety Assessment | 08/19/2026 | Optionsausübung | 194.12 | 2,039 | 395,811 | Form 4 |
| CRL | Andrews Nancy C | Director | 08/18/2026 | Verkauf | 285.24 | 573 | 163,443 | Form 4 |
| CRL | Andrews Nancy C | Director | 08/18/2026 | Optionsausübung | 164.30 | 573 | 94,144 | Form 4 |
| CRL | Girshick Birgit | Chief Executive Officer | 08/11/2026 | Verkauf | 279.90 | 6,500 | 1,819,350 | Form 4 |
| CRL | Girshick Birgit | Chief Executive Officer | 08/11/2026 | Optionsausübung | 179.66 | 6,500 | 1,167,790 | Form 4 |
| CRL | Parisotto Shannon M | CEVP, Disc & Safety Assessment | 08/11/2026 | Verkauf | 279.66 | 3,714 | 1,038,657 | Form 4 |
| CRL | Parisotto Shannon M | CEVP, Disc & Safety Assessment | 08/11/2026 | Optionsausübung | 179.66 | 3,714 | 667,257 | Form 4 |
| CRL | LaPlume Joseph W | EVP, Corp Strategy & Develop | 08/10/2026 | Schenkung | — | 257 | — | Form 4 |
| CRL | Foster James C | Director | 08/10/2026 | Verkauf | 275.00 | 28,733 | 7,901,575 | Form 4 |
| CRL | Foster James C | Director | 08/10/2026 | Optionsausübung | 179.66 | 28,733 | 5,162,171 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 258.53 | 736 | 190,278 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 258.53 | 1,205 | 311,529 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 258.53 | 404 | 104,446 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Optionsausübung | 208.44 | 736 | 153,412 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Optionsausübung | 194.12 | 1,205 | 233,915 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Optionsausübung | 179.66 | 404 | 72,583 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 265.17 | 482 | 127,812 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 263.94 | 620 | 163,643 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 262.37 | 213 | 55,885 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 261.45 | 810 | 211,775 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 260.63 | 901 | 234,828 | Form 4 |
| CRL | Knell Michael Gunnar | SVP, Finance and CAO | 08/06/2026 | Verkauf | 259.07 | 1,274 | 330,055 | Form 4 |
| CRL | Creamer Victoria L | EVP & Chief People Officer | 08/06/2026 | Verkauf | 259.16 | 4,179 | 1,083,030 | Form 4 |
| CRL | Creamer Victoria L | EVP & Chief People Officer | 08/06/2026 | Optionsausübung | 179.66 | 4,179 | 750,799 | Form 4 |
| CRL | Parisotto Shannon M | CEVP, Disc & Safety Assessment | 08/05/2026 | Verkauf | 263.00 | 5,046 | 1,327,098 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).