X0306 4 2022-06-25 0 0001000694 NOVAVAX INC NVAX 0001610928 Herrmann John A III C/O NOVAVAX, INC. 21 FIRSTFIELD ROAD GAITHERSBURG MD 20878 0 1 0 0 EVP, Chief Legal Officer Common Stock 2022-06-25 4 M 0 833 A 4678 D Common Stock 2022-06-25 4 F 0 278 51.67 D 4400 D Common Stock 1747 I By spouse Restricted Stock Units 2022-06-25 4 M 0 833 0.00 D Common Stock 833 833 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of Novavax, Inc. (the "Company") common stock. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. The RSUs subject to this grant under the Company's Amended and Restated 2015 Stock Incentive Plan, as amended, vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the June 25, 2020 grant date, in each case subject to continued employment through such vesting date. /s/ John A. Herrmann III 2022-06-28