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CRL Charles River Laboratories International, Inc.

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$26.0M net selling - trailing 90 days

1 buyers - 7 unique sellers

Historical context: most recent complete month (2026-09) is the 58th percentile of this ticker's monthly net P/S flow over 24 complete months. Lower percentiles are more selling; higher are more buying. P10–P90: -$1.2M to $0.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

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 $3K2026-10 -$303KOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Who is responsible

Insider Role Net activity Rows
FOSTER JAMES C — -~$18.0M 2
Parisotto Shannon M CEVP, Disc & Safety Assessment -~$3.0M 3
Girshick Birgit Chief Executive Officer -~$1.8M 1
Knell Michael Gunnar SVP, Finance and CAO -~$1.7M 9
Creamer Victoria L EVP & Chief People Officer -~$1.1M 1
Parisotto Shannon M CEVP, Disc & Safety Assessment -~$0.3M 1
Andrews Nancy C — -~$0.2M 1
Coleman Glenn EVP & Chief Financial Officer ~$3K 1

Transactions

Date Insider Role Type Shares Price Value
October 5, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment S -981 308.44 ~$0.3M
September 30, 2026 Coleman Glenn EVP & Chief Financial Officer P 10 297.43 ~$3K
August 25, 2026 FOSTER JAMES C — S -33561 300 ~$10.1M
August 19, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment S -2039 294.12 ~$0.6M
August 18, 2026 Andrews Nancy C — S -573 285.24 ~$0.2M
August 11, 2026 Girshick Birgit Chief Executive Officer S -6500 279.9 ~$1.8M
August 11, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment S -3714 279.66 ~$1.0M
August 10, 2026 FOSTER JAMES C — S -28733 275 ~$7.9M
August 6, 2026 Knell Michael Gunnar SVP, Finance and CAO 9 reported sale rows 6645 — ~$1.7M
August 6, 2026 Creamer Victoria L EVP & Chief People Officer S -4179 259.16 ~$1.1M
August 5, 2026 Parisotto Shannon M CEVP, Disc & Safety Assessment S -5046 263 ~$1.3M
June 29, 2026 FOSTER JAMES C — S -75000 225 ~$16.9M
March 3, 2026 LaPlume Joseph W EVP, Corp Strategy & Develop P 25 174.54 ~$4K
August 22, 2025 LaPlume Joseph W EVP, Corp Strategy & Develop S -400 163.72 ~$65K
August 18, 2025 LaPlume Joseph W EVP, Corp Strategy & Develop S -800 157.6 ~$0.1M
August 7, 2025 LaPlume Joseph W EVP, Corp Strategy & Develop S -400 150.04 ~$60K
May 15, 2025 MASSARO GEORGE — 3 reported sale rows 140 — ~$19K
May 14, 2025 MASSARO GEORGE — 4 reported sale rows 133 — ~$19K
May 13, 2025 LaPlume Joseph W EVP, Corp Strategy & Develop S -500 145.41 ~$73K
February 20, 2025 LaPlume Joseph W EVP, Corp Strategy & Develop S -4400 162.5 ~$0.7M
February 20, 2025 FOSTER JAMES C Chairman, President and CEO P 6075 165.01 ~$1.0M
February 20, 2025 Girshick Birgit Corporate Executive VP & COO P 1514 164.63 ~$0.2M
November 7, 2024 WALLMAN RICHARD F — 3 reported sale rows 7621 — ~$1.6M