144Filing Date: Aug 10, 2026
Regeneron (REGN)
Insider Proposed Sale Notice
View SEC Filing
ACC: 0001969223-26-000870
Sale Plan
Guarini Kathryn
Board member·Regeneron
Proposed
CommonNasdaq
Shares400
Est. DateAug 10
Market Value$320.0K
BrokerUBS Financial Services, Inc.
AcquisitionExercise of stock option · Issuer
Acquired DateAug 10, 2026
Amount Acquired400
10b5-1 Plan Adoption02/13/2026
% Outstanding0.0004%
10b5-1
Exercise / Payment Details
Paid: Aug 10, 2026Method: Cash
Signature & Compliance expand_more
Notice DateAug 10, 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