InsiderTrades

Form 4 for CRL Charles River Laboratories

Accepted 2026-08-20 16:33:49 ET · period of report 2026-08-19 · accession 0001100682-26-000136 · 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
DT 2026-08-20 16:33 2026-08-19 CRL Parisotto Shannon M CEVP, Disc, Safety Assessment M - OptEx $194.12 +2,039 6,846 +42% +$395.8K
DT 2026-08-20 16:33 2026-08-19 CRL Parisotto Shannon M CEVP, Disc, Safety Assessment S - Sale+OE $294.12 -2,039 4,807 -30% -$599.7K
DT 2026-08-20 16:33 2026-08-19 CRL Parisotto Shannon M CEVP, Disc, Safety Assessment M - OptEx $0.00 -2,039 2,039 -50% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-19 M A 2,039 $194.12 6,846 D — —
2 Common Common Stock 2026-08-19 S D 2,039 $294.12 4,807 D — — (F1) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 4, 2026.
3 Derivative Stock Options (Right to Buy) 2026-08-19 M D 2,039 $0.00 2,039 D $194.12 · 2024-05-26 to 2033-05-26 2,039 Common Stock