Guarini Kathryn bought REGN
October 30, 2026 · Form 4 insider transaction
Guarini Kathryn bought 400 shares of Regeneron Pharmaceuticals, Inc. at $719.37 per share, a transaction worth $287.7K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
400
Price
$719.37
Total value
$287.7K
InsiderGuarini Kathryn
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 30, 2026
Filing dateNovember 3, 2026
Shares owned after1,003
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.