| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/10/2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Gift | Common Stock | 2.5k | $0.00 | $0 | | 08/10/2023 |
| 05/29/2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Payment of Exercise | Common Stock | 1.3k | $194.12 | $247.3k | | 05/26/2023 |
| 05/26/2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Grant | Stock Options (Right to Buy) | 28.2k | $194.12 | $5.5M | | 05/26/2023 |
| 05/15/2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Gift | Common Stock | 3.8k | $0.00 | $0 | 2020 GRAT | 05/15/2023 |
| 05/15/2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Gift | Common Stock | 3.8k | $0.00 | $0 | 2020 GRAT | 05/15/2023 |
| 02/22/2023 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Payment of Exercise | Common Stock | 1.8k | $243.60 | $441.9k | | 02/22/2023 |
| 05/29/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Payment of Exercise | Common Stock | 1.3k | $244.41 | $320.4k | | 05/27/2022 |
| 05/27/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Grant | Stock Options (Right to Buy) | 24k | $244.41 | $5.9M | | 05/27/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Payment of Exercise | Common Stock | 1.8k | $289.58 | $512.6k | | 02/22/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 3.2k | $287.10 | $910.4k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 389 | $294.70 | $114.6k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 352 | $295.70 | $104.1k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Exercise | Stock Options (Right to Buy) | 20.3k | $109.34 | $2.2M | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 4.2k | $287.84 | $1.2M | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 805 | $288.82 | $232.5k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 1.5k | $283.89 | $426.7k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 3.4k | $284.79 | $972.5k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 2k | $286.06 | $579.8k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 1.1k | $290.01 | $312.6k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 1.3k | $291.05 | $366.4k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 981 | $291.81 | $286.3k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 746 | $292.87 | $218.5k | | 02/23/2022 |
| 02/23/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 325 | $293.81 | $95.5k | | 02/23/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Payment of Exercise | Common Stock | 1.6k | $293.61 | $472.7k | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Exercise | Stock Options (Right to Buy) | 17.4k | $144.67 | $2.5M | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 796 | $285.88 | $227.6k | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 2.4k | $286.93 | $686.9k | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 5.2k | $288.12 | $1.5M | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 4.5k | $288.86 | $1.3M | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 2.6k | $290.03 | $754.1k | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 1.5k | $290.89 | $430.8k | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 100 | $291.50 | $29.2k | | 02/22/2022 |
| 02/22/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 350 | $292.74 | $102.5k | | 02/22/2022 |
| 02/15/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 325 | $308.23 | $100.2k | | 02/15/2022 |
| 02/15/2022 | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | CRL | Sale | Common Stock | 1.1k | $309.36 | $329.2k | | 02/15/2022 |
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