InsiderTrades

Form 4 for CRL Charles River Laboratories

Accepted 2026-08-20 16:31:03 ET · period of report 2026-08-18 · accession 0001100682-26-000134 · 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
D 2026-08-20 16:31 2026-08-18 CRL Andrews Nancy C Dir M - OptEx $164.30 +573 2,011 +40% +$94.1K
D 2026-08-20 16:31 2026-08-18 CRL Andrews Nancy C Dir S - Sale+OE $285.24 -573 1,438 -28% -$163.4K
D 2026-08-20 16:31 2026-08-18 CRL Andrews Nancy C Dir M - OptEx $0.00 -573 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-18 M A 573 $164.30 2,011 D — —
2 Common Common Stock 2026-08-18 S D 573 $285.24 1,438 D — —
3 Derivative Stock Options (Right to Buy) 2026-08-18 M D 573 $0.00 0 D $164.30 · 2021-03-02 to 2027-03-02 573 Common Stock