Form 4 for CRL Charles River Laboratories
Accepted 2026-08-27 16:21:29 ET · period of report 2026-08-25 · accession 0001100682-26-000140 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-08-27 16:21 | 2026-08-25 | CRL | FOSTER JAMES C | Dir | M - OptEx | $199.42 | +33.6K | 65.2K | +106% | +$6.69M |
| DT | 2026-08-27 16:21 | 2026-08-25 | CRL | FOSTER JAMES C | Dir | S - Sale+OE | $300.00 | -33.6K | 31.6K | -52% | -$10.07M |
| DMT | 2026-08-27 16:21 | 2026-08-25 | CRL | FOSTER JAMES C | Dir | M - OptEx | $0.00 | -33.6K | 12.4K | -73% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-25 | M | A | 21,132 | $194.12 | 52,728 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-25 | M | A | 12,429 | $208.44 | 65,157 | D | — | — | |
| 3 | Common | Common Stock | 2026-08-25 | S | D | 33,561 | $300.00 | 31,596 | D | — | — | (F1) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 6, 2026. |
| 4 | Derivative | Stock Options (Right to Buy) | 2026-08-25 | M | D | 21,132 | $0.00 | 7,044 | D | $194.12 · 2024-05-26 to 2033-05-26 | 21,132 Common Stock | |
| 5 | Derivative | Stock Options (Right to Buy) | 2026-08-25 | M | D | 12,429 | $0.00 | 12,429 | D | $208.44 · 2025-05-31 to 2034-05-31 | 12,429 Common Stock |