144 0001451495 XXXXXXXX LIVE 0001595097 Corbus Pharmaceuticals Holdings, Inc. 001-37348 500 RIVER RIDGE DRIVE NORWOOD MA 02062 617-963-0103 Moran Sean F. Officer Common Stock Stifel Nicolas & Company Inc

501 N Broadway St. Louis MO 63102

18043 954294.00 10686693 06/14/2024 NASDAQ Common Stock 10/22/2014 Options Issuer N 3525 06/14/2024 Cash Common Stock 02/01/2022 Options Issuer N 6730 06/14/2024 Cash Common Stock 02/13/2023 Options Issuer N 7788 06/14/2024 Cash Y 06/14/2024 03/15/2024 /s/ Dominick Iadicicco, as a duly authorized representative of STIFEL, as attorney-in-fact for Sean Moran