20 insiders reported 144 Form 4 transactions for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) over the past 18 months (most recent 2026-07-01). Recent activity: FOSTER JAMES C (Director) Sell 75,000 shares, Parisotto Shannon M (CEVP, Disc & Safety Assessment) Sell 1,529 shares, Girshick Birgit (Chief Executive Officer) Sell 3,386 shares, FOSTER JAMES C (Director) Sell 153,361 shares, Parisotto Shannon M (CEVP, Disc & Safety Assessment) Buy 1,529 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | FOSTER JAMES C | Director | Sell | 75,000 | $16.9M |
| 2026-06-08 | Parisotto Shannon M | CEVP, Disc & Safety Assessment | Sell | 1,529 | $0 |
| 2026-06-08 | Girshick Birgit | Chief Executive Officer | Sell | 3,386 | $0 |
| 2026-06-08 | FOSTER JAMES C | Director | Sell | 153,361 | $0 |
| 2026-06-08 | Parisotto Shannon M | CEVP, Disc & Safety Assessment | Buy | 1,529 | $0 |
| 2026-06-08 | Girshick Birgit | Chief Executive Officer | Buy | 3,386 | $0 |
| 2026-06-08 | FOSTER JAMES C | Director | Buy | 153,361 | $0 |
| 2026-06-08 | FOSTER JAMES C | Director | Sell | 20,000 | $0 |
| 2026-06-08 | FOSTER JAMES C | Director | Buy | 20,000 | $0 |
| 2026-06-08 | FOSTER JAMES C | Director | Sell | 10,000 | $0 |
| 2026-06-08 | FOSTER JAMES C | Director | Buy | 10,000 | $0 |
| 2026-06-03 | Barg Steven | Director | Buy | 422 | $73,761 |
| 2026-06-02 | Parisotto Shannon M | CEVP, Disc & Safety Assessment | Buy | 4,361 | $788,076 |
| 2026-06-02 | LaPlume Joseph W | EVP, Corp Strategy & Develop | Buy | 5,257 | $949,992 |
| 2026-06-02 | Mintz Mark | EVP, Chief Information Officer | Buy | 2,534 | $457,919 |
| 2026-06-02 | Girshick Birgit | Chief Executive Officer | Buy | 9,961 | $1.8M |
| 2026-06-02 | Creamer Victoria L | EVP & Chief People Officer | Buy | 5,135 | $927,946 |
| 2026-06-02 | Knell Michael Gunnar | SVP, Finance and CAO | Buy | 1,837 | $331,964 |
| 2026-06-02 | Coleman Glenn | EVP & Chief Financial Officer | Buy | 6,640 | $1.2M |
| 2026-06-02 | FOSTER JAMES C | Director | Sell | 1,596 | $288,413 |
| 2026-06-02 | Parisotto Shannon M | CEVP, Disc & Safety Assessment | Sell | 551 | $99,571 |
| 2026-06-02 | LaPlume Joseph W | EVP, Corp Strategy & Develop | Sell | 744 | $134,448 |
| 2026-06-02 | Mintz Mark | EVP, Chief Information Officer | Sell | 305 | $55,117 |
| 2026-06-02 | Girshick Birgit | Chief Executive Officer | Sell | 1,204 | $217,575 |
| 2026-06-02 | Creamer Victoria L | EVP & Chief People Officer | Sell | 616 | $111,317 |
Source: SEC Form 4 filings · as of 2026-07-01