SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 6)

NOVAVAX, INC.

(Name of Issuer)

Common Stock, Par Value $0.01 per share

(Title of Class of Securities)

670002401

(CUSIP Number)

Himanshu H. Shah
2301 Sugar Bush Road, Suite 510
Raleigh, NC, 27612
(919) 719-6360

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

04/08/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP Number(s):

670002401

Name of reporting person

Shah Capital Management

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

NORTH CAROLINA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 14,719,738.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 14,719,738.00

Aggregate amount beneficially owned by each reporting person

14,719,738.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

9.03 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

670002401

Name of reporting person

Shah Capital Opportunity Fund LP

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 14,000,000.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 14,000,000.00

Aggregate amount beneficially owned by each reporting person

14,000,000.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

8.59 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

CUSIP Number(s):

670002401

Name of reporting person

Himanshu H. Shah

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 125,359.00
8	Shared Voting Power 14,719,738.00
9	Sole Dispositive Power 125,359.00
10	Shared Dispositive Power 14,719,738.00

Aggregate amount beneficially owned by each reporting person

14,845,097.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

9.11 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

Item 1.

Security and Issuer

(a)

Title of Class of Securities:

Common Stock, Par Value $0.01 per share

(b)

Name of Issuer:

NOVAVAX, INC.

(c)

Address of Issuer's Principal Executive Offices:

700 QUINCE ORCHARD ROAD, GAITHERSBURG, MARYLAND , 20878.

Item 1 Comment:

The following constitutes Amendment No. 6 to the Schedule 13D filed by the undersigned (the "Amendment No. 6"). This Amendment No. 6 amends the Schedule 13D as specifically set forth herein.

Item 2.

Identity and Background

(a)

(i) Shah Capital Management, Inc. ("Shah Capital"), a North Carolina corporation, who serves as the investment adviser to Shah Opportunity (as defined below); (ii) Shah Capital Opportunity Fund LP ("Shah Opportunity"), a Delaware limited partnership; and (iii) Himanshu H. Shah ("Mr. Shah"), who serves as President and Chief Investment Officer of Shah Capital. Shah Capital, Shah Opportunity and Mr. Shah are referred to collectively as the "Reporting Persons."

(b)

The address of the principal business and principal office of each of the Reporting Persons is: 2301 Sugar Bush Road, Suite 510 Raleigh, North Carolina 27612

(c)

The principal business of each of Shah Capital and Shah Opportunity is investing in securities. The principal occupation of Mr. Shah is serving as the President and Chief Investment Officer of Shah Capital.

(d)

During the past five years, none of the Reporting Persons has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

(e)

During the past five years, none of the Reporting Persons has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding such person was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f)

Shah Capital is North Carolina corporation. Shah Opportunity is a Delaware limited partnership. Mr. Shah is a citizen of the United States of America.

Item 3.

Source and Amount of Funds or Other Consideration

Item 3 is hereby amended as follows: Except for 125,359 shares owned directly by Mr. Shah, which were purchased using his personal funds, all of the shares to which this Statement relates were purchased on behalf of the Reporting Persons using the investment capital of the Reporting Persons. All shares were purchased in various transactions and for various amounts of consideration through open market purchases.

Item 4.

Purpose of Transaction

Item 4 is hereby amended to add the following: On April 8, 2026, the Reporting Persons sent a letter (the "Shah Capital Open Letter") to the board of directors of the Issuer (the "Board") declaring a notice of intention to vote against Board Nominees and Executive Compensation. The letter outlines a multitude of reasons including, but not limited to: (i) value destruction; (ii) pessimistic 2026 Revenue forecast; (iii) low institutional credibility; (iv) cost discipline and consistent profitability; (v) and necessary governance changes. The foregoing description of the Shah Capital Open Letter does not purport to be complete and is qualified in its entirety to the Shah Capital Open Letter, which is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

Item 5.

Interest in Securities of the Issuer

(a)

Items 5(a)-(c) are hereby amended and restated to read as follows: The aggregate percentage of the shares of Common Stock reported owned by each person named herein is based upon 162.9M shares outstanding as of February 16, 2026. (i) - Shah Capital Management 14,719,738; 9.03% (ii) - Shah Capital Opportunity Fund LP 14,000,000; 8.59% (iii) - Himanshu H. Shah 14,845,097; 9.11%

(b)

(i) - Shah Capital Management Sole Voting Power - 0 Shared Voting Power - 14,719,738 Sole Dispositive Power - 0 Shared Dispositive Power - 14,719,738 (ii) - Shah Capital Opportunity Fund LP Sole Voting Power - 0 Shared Voting Power - 14,000,000 Sole Dispositive Power - 0 Shared Dispositive Power - 14,000,000 (iii) - Himanshu H. Shah Sole Voting Power - 125,359 Shared Voting Power - 14,719,738 Sole Dispositive Power - 125,359 Shared Dispositive Power - 14,719,738 As of the date hereof, Shah Opportunity directly beneficially owns 14,000,000 shares of Common Stock. As the investment manager of Shah Opportunity and the Shah Managed Accounts, Shah Capital Management may be deemed to beneficially own 14,719,738 shares of Common Stock beneficially owned in the aggregate by Shah Opportunity and held in the Shah Managed Accounts. As of the date hereof, Mr. Shah directly beneficially owns 125,359 shares of Common Stock, which are held in the Mr. Shah Managed Account. As the President and Chief Investment Officer of Shah Capital Management, Mr. Shah may be deemed to beneficially own the 14,719,738 shares of Common Stock beneficially owned in the aggregate by Shah Opportunity and held in the Shah Managed Accounts, which in addition to the 125,359 shares of Common Stock he beneficially owns directly, constitutes an aggregate of 14,845,097 shares of Common Stock that Mr. Shah may be deemed to beneficially own.

(c)

Transactions in the Shares of the Issuer Since the Filing of Amendment No. 4 to the Schedule 13D: There were no transactions in the past 60 days.

(d)

No other person is known to the Reporting Persons to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the shares of no par value covered by this Statement.

(e)

Not Applicable.

Item 6.

Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer

Other than as described in this Statement, to the knowledge of the Reporting Persons, there are no contracts, arrangements, understandings or relationships (legal or otherwise) among the Reporting Persons or between the Reporting Persons and any other persons with respect to any securities of the Issuer, including but not limited to transfer or voting of any of the securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or loss, or the giving or withholding of proxies.

Item 7.

Material to be Filed as Exhibits.

Exhibit Number Description Exhibit 99.1 Shah Capital Letter dt. April 8, 2026 to NVAX Board of Directors.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Shah Capital Management

Signature:	/s/ Himanshu H. Shah
Name/Title:	Himanshu H. Shah, President and Chief Investment Officer
Date:	04/08/2026

Shah Capital Opportunity Fund LP

Signature:	/s/ Himanshu H. Shah
Name/Title:	Himanshu H. Shah, Managing Member
Date:	04/08/2026

Himanshu H. Shah

Signature:	/s/ Himanshu H. Shah
Name/Title:	Himanshu H. Shah
Date:	04/08/2026

Amendment: SEC Form SCHEDULE 13D/A filed by Novavax Inc.