Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Walker Robert Edward 2. Date of Event Requiring Statement (Month/Day/Year) 04/14/2026 3. Issuer Name and Ticker or Trading Symbol NOVAVAX INC [NVAX] (Last) (First) (Middle) C/O NOVAVAX, INC., 21 FIRSTFIELD ROAD 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, R&D 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) GAITHERSBURG, MD 20878 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 34,386 D

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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(1)	03/07/2033(1)	Common Stock	11,500	$6.97	D
Restricted Stock Units	(2)	(2)	Common Stock	47,600	$0	D
Stock Option (Right to Buy)	(3)	03/03/2035(3)	Common Stock	22,510	$10.11	D
Restricted Stock Units	(4)	(4)	Common Stock	29,490	$0	D
Stock Option (Right to Buy)	(5)	03/02/2036(5)	Common Stock	18,826	$8.39	D
Restricted Stock Units	(6)	(6)	Common Stock	26,300	$0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Walker Robert Edward C/O NOVAVAX, INC. 21 FIRSTFIELD ROAD GAITHERSBURG, MD 20878			EVP, R&D

Signatures

/s/ Mark J. Casey, Attorney-in-Fact		04/16/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Twenty-five percent (25%) of the shares subject to this option grant under the Novavax, Inc. (the "Company") Amended and Restated 2015 Stock Incentive Plan, as amended (the "Plan"), vested on the first anniversary of the March 7, 2023 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments over the following three (3) years, in each case subject to continued employment with the Company through such vesting date.
(2)	The RSUs subject to this grant under the Plan vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the March 1, 2024 grant date, in each case subject to continued employment with the Company through such vesting date.
(3)	Twenty-five percent (25%) of the shares subject to this option grant under the Plan vested on the first anniversary of the March 3, 2025 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments over the following three (3) years, in each case subject to continued employment with the Company through such vesting date.
(4)	The RSUs subject to this grant under the Plan vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the March 3, 2025 grant date, in each case subject to continued employment with the Company through such vesting date.
(5)	Twenty-five percent (25%) of the shares subject to this option grant under the Plan vested on the first anniversary of the March 2, 2026 grant date, and the remaining seventy-five percent (75%) of the shares vested or will vest in equal monthly installments over the following three (3) years, in each case subject to continued employment with the Company through such vesting date.
(6)	The RSUs subject to this grant under the Plan vested or will vest with respect to one-third (1/3) of the RSUs on each of the first three (3) anniversaries of the March 2, 2026 grant date, in each case subject to continued employment with the Company through such vesting date.
Remarks: Exhibit 24 - Power of Attorney

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