144Filing Date: Sep 2, 2026
Regeneron (REGN)
Insider Proposed Sale Notice
View SEC Filing
ACC: 0001969223-26-000987
Sale Plan
Guarini Kathryn
Director·Regeneron
Proposed
CommonNasdaq
Shares400
Est. DateSep 2
Market Value$340.0K
BrokerUBS Financial Services, Inc.
AcquisitionExercise of stock option · Issuer
Acquired DateSep 2, 2026
Amount Acquired400
10b5-1 Plan Adoption02/13/2026
% Outstanding0.0004%
10b5-1
Exercise / Payment Details
Paid: Sep 2, 2026Method: Cash
Sales Past 3 Months Total $320.0K · 400 sh. expand_more
Aug
10
$320.0K
400 sh.
Signature & Compliance expand_more
Notice DateSep 2, 2026
10b5-1 Plan Adoption02/13/2026
Signature /s/ UBS Financial Services Inc., as attorney-in-fact for Kathryn Guarini
Issuer Info expand_more
CompanyREGENERON PHARMACEUTICALS, INC.
CIK0000872589
SEC File No.000-19034
Phone9148477000
Address777 OLD SAW MILL RIVER ROAD, TARRYTOWN, NY 10591