Casey Mark J - 11 Dec 2025 Form 4 Insider Report for NOVAVAX INC (NVAX)

Role
EVP, Chief Legal Officer
Signature
/s/ Casey Mark J
Issuer symbol
NVAX
Transactions as of
11 Dec 2025
Transactions value $
-$85,050
Form type
4
Filing time
15 Dec 2025, 16:01:11 UTC
Previous filing
05 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Casey Mark J EVP, Chief Legal Officer 21 FIRSTFIELD ROAD, GAITHERSBURG /s/ Casey Mark J 15 Dec 2025 0001415297

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NVAX Common Stock Options Exercise $0 +41.9K +130.64% $0.00 74K 11 Dec 2025 Direct
transaction NVAX Common Stock Tax liability -$85K -12.7K -17.21% $6.69 61.2K 11 Dec 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 -41.9K -50% $0.00 41.9K 11 Dec 2025 Common Stock 41.9K $0.00 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.