CIK 0001100682 · Large accelerated filer
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
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- CRL
- Exchange
- NYSE
- Industry
- Services-Commercial Physical & Biological Research
- FY end
- Dec 27
- Entity type
- operating
- EIN
- 061397316
- Phone
- 781-222-6000
- Business address
- 251 BALLARDVALE ST, WILMINGTON, MA, 01887
- Former names
- CHARLES RIVER LABORATORIES INTERNATIONAL INC, CHARLES RIVER LABORATORIES HOLDINGS INC
- Open-market buys, last 90 days
- $2,974
- in 1 filing
- Open-market sales, last 90 days
- $20,291,281
- in 6 filings, $20.1M under 10b5-1 plans
Net −$20,288,307. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-18 | Andrews Nancy C Director | Option exercise | +573 | $164.30 | $94K | 2,011 |
| 2026-08-18 | Andrews Nancy C Director | Sale | −573 | $285.24 | $163K | 1,438 |
| 2026-08-18 | Andrews Nancy C Director | Option exercise · Stock Options (Right to Buy) | −573 | 0 | ||
| 2026-08-11 | Girshick Birgit Chief Executive Officer | Option exercise 10b5-1 | +6,500 | $179.66 | $1.2M | 42,513 |
| 2026-08-11 | Girshick Birgit Chief Executive Officer | Sale 10b5-1 | −6,500 | $279.90 | $1.8M | 36,013 |
| 2026-08-11 | Girshick Birgit Chief Executive Officer | Option exercise · Stock Options (Right to Buy) 10b5-1 | −6,500 | 0 | ||
| 2026-08-11 | Parisotto Shannon M CEVP, Disc & Safety Assessment | Option exercise 10b5-1 | +3,714 | $179.66 | $667K | 8,521 |
| 2026-08-11 | Parisotto Shannon M CEVP, Disc & Safety Assessment | Sale 10b5-1 | −3,714 | $279.66 | $1.0M | 4,807 |
| 2026-08-11 | Parisotto Shannon M CEVP, Disc & Safety Assessment | Option exercise · Stock Options (Right to Buy) 10b5-1 | −3,714 | 0 | ||
| 2026-08-10 | LaPlume Joseph W EVP, Corp Strategy & Develop | Gift | −257 | 31,041 | ||
| 2026-08-10 | FOSTER JAMES C Director | Option exercise 10b5-1 | +28,733 | $179.66 | $5.2M | 60,329 |
| 2026-08-10 | FOSTER JAMES C Director | Sale 10b5-1 | −28,733 | $275.00 | $7.9M | 31,596 |
| 2026-08-10 | FOSTER JAMES C Director | Option exercise · Stock Options (Right to Buy) 10b5-1 | −28,733 | 0 | ||
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Sale | −1,274 | $259.07 | $330K | 14,878 |
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Sale | −901 | $260.63 | $235K | 13,977 |
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Sale | −810 | $261.45 | $212K | 13,167 |
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Sale | −213 | $262.37 | $56K | 12,954 |
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Sale | −620 | $263.94 | $164K | 12,334 |
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Sale | −482 | $265.17 | $128K | 11,852 |
| 2026-08-06 | Knell Michael Gunnar SVP, Finance and CAO | Option exercise | +404 | $179.66 | $73K | 12,256 |
Page 2 of 23 · 447 trades