Guarini Kathryn sold REGN
October 30, 2026 · Form 4 insider transaction
Guarini Kathryn sold 400 shares of Regeneron Pharmaceuticals, Inc. at $900.00 per share, a transaction worth $360.0K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
400
Price
$900.00
Total value
$360.0K
InsiderGuarini Kathryn
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateOctober 30, 2026
Filing dateNovember 3, 2026
Shares owned after603
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.