Mark J. Casey - 01 Mar 2025 Form 4 Insider Report for NOVAVAX INC (NVAX)

Role: EVP, Chief Legal Officer
Signature: /s/Mark J. Casey, Attorney-in-Fact
Issuer symbol: NVAX
Transactions as of: 01 Mar 2025
Net transactions value: -$10,113
Form type: 4
Filing time: 04 Mar 2025, 18:46:08 UTC
Previous filing: 13 Dec 2024
Next filing: 05 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NVAX	Common Stock	Options Exercise	$0	+4,000	+14%	$0.000000	33,187	01 Mar 2025	Direct
transaction	NVAX	Common Stock	Tax liability	$10,113	-1,214	-3.7%	$8.33	31,973	01 Mar 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	NVAX	Restricted Stock Units	Options Exercise	$0	-4,000	-33%	$0.000000	8,000	01 Mar 2025	Common Stock	4,000	$0.000000	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	One-third (1/3) of the RSUs subject to this grant under the Plan vest on each of the first three (3) anniversaries of the grant date, in each case subject to continued employment through such vesting date.