James C. Foster - 29 Jun 2026 Form 4 Insider Report for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL)

Reporting relationship: Director
Issuer ticker: CRL
Reported as of: 29 Jun 2026
Net transaction value: -$16,875,000
SEC form: 4
Accepted by SEC: 01 Jul 2026, 16:59:29 UTC
Prior SEC filing: 08 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ James C. Foster

Key filing fact

James C. Foster filed Form 4 for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL) on 01 Jul 2026.

Key facts

This page summarizes James C. Foster's Form 4 filing for CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Jul 2026, 16:59.

Change

Previous filing in this sequence was filed on 08 Jun 2026.
Current net transaction value: -$16,875,000.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001141722 Primary reporting owner

FOSTER JAMES C

Relationship: Director
Address: C/O CHARLES RIVER LABORATORIES, 251 BALLARDVALE STREET, WILMINGTON
Signature: /s/ James C. Foster
Signature date: 30 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CRL transaction

Common Stock

Sale

Transaction value: $16,875,000
Shares: -75,000
Change %: -70%
Price: $225.00
Shares after: 31,596
Date: 29 Jun 2026
Ownership: Direct
Footnotes: F1

CRL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,780
Date: 29 Jun 2026
Ownership: 2025 GRAT

CRL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,000
Date: 29 Jun 2026
Ownership: 2026 GRAT

CRL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 155,611
Date: 29 Jun 2026
Ownership: By Trust

CRL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 29 Jun 2026
Ownership: By Trust Held By Spouse

CRL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,423
Date: 29 Jun 2026
Ownership: 2024 GRAT

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was adopted by the reporting person on March 6, 2026.

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