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CRL

Charles River Laboratories International

XNYS · SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH

9 articles20 insider tx0 holders0 supply chain10 selling intent filings0 new insiders

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

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Recent insider activity

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$50.0M$25.0M$0-$25.0M-$50.0M2024-10 $02024-11 -$1.6M2024-12 $02025-01 $02025-02 $537K2025-03 $02025-04 $02025-05 -$111K2025-06 $02025-07 $02025-08 -$252K2025-09 $02025-10 $02025-11 $02025-12 $02026-01 $02026-02 $02026-03 $4K2026-04 $02026-05 $02026-06 -$16.9M2026-07 $02026-08 -$25.7M2026-09 $0Oct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

open-market Form 4 only - grants, exercises, tax withholding excluded

0 buyers - 6 unique sellers · Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Date Insider Title Type Shares Price Value
August 25, 2026 Foster James C — OPTION_EXERCISE 21,132 $194 ~$4.1M
August 25, 2026 Foster James C — OPTION_EXERCISE 12,429 $208 ~$2.6M
August 25, 2026 Foster James C — SELL -33,561 $300 ~$10.1M
August 25, 2026 Foster James C — OPTION_EXERCISE -21,132 — —
August 25, 2026 Foster James C — OPTION_EXERCISE -12,429 — —
August 19, 2026 Girshick Birgit Chief Executive Officer GIFT -528 — —
August 19, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment OPTION_EXERCISE 2,039 $194 ~$0.4M
August 19, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment SELL -2,039 $294 ~$0.6M
August 19, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment OPTION_EXERCISE -2,039 — —
August 18, 2026 Andrews Nancy C — OPTION_EXERCISE 573 $164 ~$94K
August 18, 2026 Andrews Nancy C — SELL -573 $285 ~$0.2M
August 18, 2026 Andrews Nancy C — OPTION_EXERCISE -573 — —
August 11, 2026 Girshick Birgit Chief Executive Officer OPTION_EXERCISE 6,500 $180 ~$1.2M
August 11, 2026 Girshick Birgit Chief Executive Officer SELL -6,500 $280 ~$1.8M
August 11, 2026 Girshick Birgit Chief Executive Officer OPTION_EXERCISE -6,500 — —
August 11, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment OPTION_EXERCISE 3,714 $180 ~$0.7M
August 11, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment SELL -3,714 $280 ~$1.0M
August 11, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment OPTION_EXERCISE -3,714 — —
August 10, 2026 LaPlume Joseph W EVP, Corp Strategy & Develop GIFT -257 — —
August 10, 2026 Foster James C — OPTION_EXERCISE 28,733 $180 ~$5.2M

Insider Selling Intent (Form 144)

Date Filer Relationship Est. shares Filing
August 25, 2026 Foster James C — 33,561 SEC
August 19, 2026 Parisotto Shannon M — 2,039 SEC
August 18, 2026 Nancy C Andrews — 573 SEC
August 11, 2026 Parisotto Shannon M — 3,714 SEC
August 11, 2026 Girshick Birgit — 6,500 SEC
August 10, 2026 Foster James C — 28,733 SEC
August 6, 2026 — — — SEC
August 6, 2026 — — — SEC
August 5, 2026 Parisotto Shannon M — 5,046 SEC
June 29, 2026 Foster James C — 75,000 SEC
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