SEC Form 4 · accession 0001100682-26-000140
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. · CRL
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
James C Foster
Director
Period of report
Aug 25, 2026
Accepted (ET)
Aug 27, 2026 · 4:21 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001100682
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 25, 2026 | M | 21,132 | $194.12 | A | 52,728 | D | |
| Common Stock | Aug 25, 2026 | M | 12,429 | $208.44 | A | 65,157 | D | |
| Common StockF1 | Aug 25, 2026 | S | 33,561 | $300.00 | D | 31,596 | D | |
| Common Stock | holding | — | — | — | 5,423 | I | 2024 GRAT | |
| Common Stock | holding | — | — | — | 10,780 | I | 2025 GRAT | |
| Common Stock | holding | — | — | — | 20,000 | I | 2026 GRAT | |
| Common Stock | holding | — | — | — | 155,611 | I | By Trust | |
| Common Stock | holding | — | — | — | 10,000 | I | By Trust Held By Spouse |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Options (Right to Buy) | $194.12 | Aug 25, 2026 | M | 21,132 | D | May 26, 2024 | May 26, 2033 | Common Stock | 21,132 | 7,044 | D |
| Stock Options (Right to Buy) | $208.44 | Aug 25, 2026 | M | 12,429 | D | May 31, 2025 | May 31, 2034 | Common Stock | 12,429 | 12,429 | D |
Explanation of responses
- F1This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 6, 2026.