Form 4 Tracker
Kathryn Guarini

Director · 2 filings · Latest: Sep 2, 2026

REGENERON PHARMACEUTICALS, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
REGN
Kathryn GuariniDirectorSep 2, 2026
Sale
$850.00400$340.0K603
REGN
Kathryn GuariniDirectorSep 2, 2026
Option Exercise
$719.37400$287.7K1,003
REGN
Guarini Kathryn—Sep 2, 2026
Proposed Sale
$850.00400$340.0K—
REGN
Kathryn GuariniDirectorAug 10, 2026
Sale
$800.00400$320.0K603
REGN
Kathryn GuariniDirectorAug 10, 2026
Option Exercise
$719.37400$287.7K1,003
REGN
Guarini Kathryn—Aug 10, 2026
Proposed Sale
$800.00400$320.0K—