InsiderTrades

Form 4 for CRL Charles River Laboratories

Accepted 2026-08-13 16:34:15 ET · period of report 2026-08-11 · accession 0001100682-26-000130 · 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 2026-08-13 16:34 2026-08-11 CRL Parisotto Shannon M CEVP, Disc, Safety Assessment M - OptEx $179.66 +3,714 8,521 +77% +$667.3K
DT 2026-08-13 16:34 2026-08-11 CRL Parisotto Shannon M CEVP, Disc, Safety Assessment S - Sale+OE $279.66 -3,714 4,807 -44% -$1.04M
DT 2026-08-13 16:34 2026-08-11 CRL Parisotto Shannon M CEVP, Disc, Safety Assessment M - OptEx $0.00 -3,714 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-11 M A 3,714 $179.66 8,521 D — —
2 Common Common Stock 2026-08-11 S D 3,714 $279.66 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) 2026-08-11 M D 3,714 $0.00 0 D $179.66 · 2021-05-29 to 2030-05-29 3,714 Common Stock