Company · CIK 0001100682 · SIC 8731 — Services-Commercial Physical & Biological Research · NYSE
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. · CRL
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 SForm 4 → | Aug 27, 4:21 pm EDT | James C FosterDirector | 33,561 | $300.00 | $10,068,300 | 31,596 | −51.5% | 10b5-1 |
| Aug 25, 2026 MForm 4 → | Aug 27, 4:21 pm EDT | James C FosterDirector | 33,561 | $199.42 | $6,692,845 | 65,157 | — | 10b5-1 |
| Aug 19, 2026 GForm 4 → | Aug 20, 4:37 pm EDT | Birgit GirshickChief Executive Officer, Director | 528 | — | — | 35,485 | — | |
| Aug 19, 2026 SForm 4 → | Aug 20, 4:33 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 2,039 | $294.12 | $599,711 | 4,807 | −29.8% | 10b5-1 |
| Aug 19, 2026 MForm 4 → | Aug 20, 4:33 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 2,039 | $194.12 | $395,811 | 6,846 | — | 10b5-1 |
| Aug 18, 2026 SForm 4 → | Aug 20, 4:31 pm EDT | Nancy C AndrewsDirector | 573 | $285.24 | $163,443 | 1,438 | −28.5% | |
| Aug 18, 2026 MForm 4 → | Aug 20, 4:31 pm EDT | Nancy C AndrewsDirector | 573 | $164.30 | $94,144 | 2,011 | — | |
| Aug 11, 2026 SForm 4 → | Aug 13, 4:37 pm EDT | Birgit GirshickChief Executive Officer, Director | 6,500 | $279.90 | $1,819,350 | 36,013 | −15.3% | 10b5-1 |
| Aug 11, 2026 MForm 4 → | Aug 13, 4:37 pm EDT | Birgit GirshickChief Executive Officer, Director | 6,500 | $179.66 | $1,167,790 | 42,513 | — | 10b5-1 |
| Aug 11, 2026 SForm 4 → | Aug 13, 4:34 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 3,714 | $279.66 | $1,038,657 | 4,807 | −43.6% | 10b5-1 |
| Aug 11, 2026 MForm 4 → | Aug 13, 4:34 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 3,714 | $179.66 | $667,257 | 8,521 | — | 10b5-1 |
| Aug 10, 2026 GForm 4 → | Aug 11, 4:38 pm EDT | Joseph W LaPlumeEVP, Corp Strategy & Develop | 257 | — | — | 31,041 | — | |
| Aug 10, 2026 SForm 4 → | Aug 11, 4:35 pm EDT | James C FosterDirector | 28,733 | $275.00 | $7,901,575 | 31,596 | −47.6% | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 11, 4:35 pm EDT | James C FosterDirector | 28,733 | $179.66 | $5,162,171 | 60,329 | — | 10b5-1 |
| Aug 6, 2026 MForm 4 → | Aug 10, 4:40 pm EDT | Michael Gunnar KnellSVP, Finance and CAO | 2,345 | $196.12 | $459,909 | 14,197 | — | |
| Aug 6, 2026 SForm 4 → | Aug 10, 4:40 pm EDT | Michael Gunnar KnellSVP, Finance and CAO | 6,645 | $260.38 | $1,730,250 | 11,852 | −35.9% | |
| Aug 6, 2026 SForm 4 → | Aug 10, 4:35 pm EDT | Victoria L CreamerEVP & Chief People Officer | 4,179 | $259.16 | $1,083,030 | 30,051 | −12.2% | |
| Aug 6, 2026 MForm 4 → | Aug 10, 4:35 pm EDT | Victoria L CreamerEVP & Chief People Officer | 4,179 | $179.66 | $750,799 | 34,230 | — | |
| Aug 5, 2026 SForm 4 → | Aug 6, 4:49 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 5,046 | $263.00 | $1,327,098 | 4,807 | −51.2% | 10b5-1 |
| Jun 29, 2026 SForm 4 → | Jul 1, 4:59 pm EDT | James C FosterDirector | 75,000 | $225.00 | $16,875,000 | 31,596 | −70.4% | 10b5-1 |
| Jun 5, 2026 GForm 4 → | Jun 8, 4:25 pm EDT | James C FosterDirector | 366,722 | — | — | 10,000 | — | |
| Jun 5, 2026 GForm 4 → | Jun 8, 4:21 pm EDT | Birgit GirshickChief Executive Officer | 6,772 | — | — | 43,803 | — | |
| Jun 5, 2026 GForm 4 → | Jun 8, 4:19 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 3,058 | — | — | 9,680 | — | |
| Jun 2, 2026 AForm 4 → | Jun 3, 9:45 pm EDT | Steven BargDirector | 422 | $174.79 | $73,761 | 3,287 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 MForm 4 → | Aug 27, 4:21 pm EDT | James C FosterDirector | 33,561 | — | — | 12,429 | — | 10b5-1 |
| Aug 19, 2026 MForm 4 → | Aug 20, 4:33 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 2,039 | — | — | 2,039 | — | 10b5-1 |
| Aug 18, 2026 MForm 4 → | Aug 20, 4:31 pm EDT | Nancy C AndrewsDirector | 573 | — | — | 0 | — | |
| Aug 11, 2026 MForm 4 → | Aug 13, 4:37 pm EDT | Birgit GirshickChief Executive Officer, Director | 6,500 | — | — | 0 | — | 10b5-1 |
| Aug 11, 2026 MForm 4 → | Aug 13, 4:34 pm EDT | Shannon M ParisottoCEVP, Disc & Safety Assessment | 3,714 | — | — | 0 | — | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 11, 4:35 pm EDT | James C FosterDirector | 28,733 | — | — | 0 | — | 10b5-1 |
| Aug 6, 2026 MForm 4 → | Aug 10, 4:40 pm EDT | Michael Gunnar KnellSVP, Finance and CAO | 2,345 | — | — | 736 | — | |
| Aug 6, 2026 MForm 4 → | Aug 10, 4:35 pm EDT | Victoria L CreamerEVP & Chief People Officer | 4,179 | — | — | 0 | — |