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FDA approves Novavax (NASDAQ: NVAX) 2025-2026 Nuvaxovid and extends shelf life

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Novavax, Inc. reported a major regulatory milestone as the U.S. FDA approved its supplemental Biologics License Application for the Nuvaxovid™ 2025-2026 COVID-19 vaccine formula. The vaccine is approved for adults 65 years and older and for individuals 12 to 64 years of age who have at least one underlying condition that places them at high risk for severe COVID-19 outcomes. The FDA also extended the shelf life of this Nuvaxovid™ 2025-2026 formula from three months to six months, which may help distribution and inventory management.

As part of the approval, the FDA is requiring two postmarketing commitment studies: a Phase 3 open-label, single-arm study to evaluate safety and immunogenicity, and a Phase 4 observer-blind, placebo-controlled, randomized clinical trial to evaluate post-COVID vaccination syndrome. Novavax highlighted the usual risks and uncertainties associated with its forward-looking statements, including regulatory, manufacturing, and supply-chain challenges.

Positive

  • FDA approval of Nuvaxovid™ 2025-2026 formula for adults 65+ and high-risk individuals 12–64 establishes regulatory clearance for Novavax’s COVID-19 vaccine in key U.S. risk groups.
  • Shelf life extension from three to six months for the Nuvaxovid™ 2025-2026 formula can support better inventory management and reduce potential dose wastage.

Negative

  • None.

Insights

FDA approval of Nuvaxovid 2025-2026 formula and shelf-life extension is a clearly positive regulatory event for Novavax.

The filing shows that the U.S. FDA approved a supplemental Biologics License Application for Novavax’s Nuvaxovid™ 2025-2026 COVID-19 vaccine formula. The approval covers adults 65+ and high-risk individuals aged 12–64, which defines the eligible U.S. population segments for this protein-based vaccine in the upcoming vaccination season. This formally positions the product for use in those risk groups, subject to demand and ordering decisions.

The FDA also extended shelf life for the 2025-2026 formula from three months to six months. Longer shelf life can reduce wastage and improve logistics for both Novavax and healthcare providers, potentially supporting more efficient deployment of doses over the season.

The approval comes with two postmarketing commitments: a Phase 3 open-label, single-arm study to further evaluate safety and immunogenicity, and a Phase 4 observer-blind, placebo-controlled, randomized trial focused on post-COVID vaccination syndrome. These studies add ongoing clinical and operational obligations, but they are typical of biologics approvals and help generate longer-term safety and effectiveness data. Future disclosures in company filings may provide results and any regulatory follow-up from these studies.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

FORM 8-K

 

 

CURRENT REPORT 

 

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

 

Date of Report (Date of earliest event reported): August 27, 2025

 

 

NOVAVAX, INC.

(Exact name of registrant as specified in charter)  

 

 

Delaware   0-26770   22-2816046

(State or Other Jurisdiction

of Incorporation)

  (Commission File Number)  

(I.R.S. Employer

Identification No.)

 

700 Quince Orchard Road

Gaithersburg, Maryland 20878

(Address of Principal Executive Offices, including Zip Code)

 

(240) 268-2000

(Registrant’s telephone number, including area code)

 

(Former name or former address, if changed since last report.)

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class   Trading
Symbol(s)
  Name of each exchange on which
registered
Common Stock, Par Value $0.01 per share   NVAX   The Nasdaq Global Select Market

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 

Emerging growth company ¨

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

 

 

 

 

 

Item 7.01. Regulation FD Information.

 

On August 27, 2025, Novavax, Inc. (“Novavax” or the “Company”) issued a press release announcing the information discussed under Item 8.01 hereof. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

 

The information contained in this Item 7.01 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

 

Item 8.01. Other Events.

 

On August 27, 2025 the Company announced that the U.S. Food and Drug Administration (“FDA”) approved the supplemental Biologics License Application (“BLA”) for the Nuvaxovid2025-2026 formula for the prevention of COVID-19 in adults 65 years and older or individuals 12 years through 64 years of age with at least one underlying condition that puts them at high risk for severe outcomes from COVID-19.

 

The FDA also approved the extension of the shelf life of the Nuvaxovid2025-2026 formula from three months to six months.

 

In connection with the approval of the supplemental BLA, the FDA is requiring two studies as postmarketing commitments (“PMCs”): (i) to conduct a Phase 3 open-label, single-arm study to evaluate safety and immunogenicity, and (ii) to conduct a Phase 4 observer-blind, placebo-controlled, randomized clinical trial to evaluate post-COVID vaccination syndrome.

 

Cautionary Note Regarding Forward-Looking Statements.

 

This Current Report on Form 8-K contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933, as amended (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Any statements in the discussion below and elsewhere in this Current Report about expectations, beliefs, plans, objectives, assumptions, or future events or performance of the Company are not historical facts and are forward-looking statements. Such forward-looking statements include, without limitation, statements regarding the efficacy, safety and intended utilization of the Company’s COVID-19 vaccine for the 2025-2025 vaccination season . Generally, forward-looking statements can be identified through the use of words or phrases such as “believe,” “may,” “could,” “will,” “would,” “possible,” “can,” “estimate,” “continue,” “ongoing,” “consider,” “anticipate,” “intend,” “seek,” “plan,” “project,” “expect,” “should,” “would,” “aim,” or “assume,” the negative of these terms, or other comparable terminology, although not all forward-looking statements contain these words.

 

Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on Novavax’s current beliefs and expectations about the future of our business, events and trends, and other future conditions. Forward-looking statements involve estimates, assumptions, risks, and uncertainties that could cause actual results or outcomes to differ materially from those expressed or implied in any forward-looking statements, and, therefore, you should not place considerable reliance on any such forward-looking statements. Such risks and uncertainties include, without limitation, challenges or delays related to the requested PMC or in obtaining further regulatory authorization for its COVID-19 vaccine; antigenic drift or shift in the SARS-CoV-2 spike protein, challenges satisfying, alone or together with partners, various safety, efficacy and product characterization requirements, including those related to process qualification and assay validation, necessary to satisfy applicable regulatory authorities; difficulty obtaining scarce raw materials and supplies; resource constraints, including human capital and manufacturing capacity, on the ability of Novavax to pursue planned regulatory pathways; challenges or delays in obtaining regulatory authorization for a JN.1 protein-based COVID-19 vaccine or for future COVID-19 variant strain changes; challenges or delays in clinical trials; manufacturing, distribution or export delays or challenges; Novavax’s exclusive dependence on Serum Institute of India Pvt. Ltd. for co-formulation and filling and the impact of any delays or disruptions in their operations on the delivery of customer orders; and other risks and uncertainties identified in Part I, Item 1A “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2024, filed with the Securities and Exchange Commission (“SEC”) on February 27, 2025, as updated by the information in Part II, Item 1A “Risk Factors” in our Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, which may be further detailed and modified or updated in other documents we file with the SEC from time to time, and are available at www.sec.gov and at www.novavax.com. You are encouraged to read these filings as they are made.

 

 

 

 

 

Novavax cannot guarantee future results, events, level of activity, performance, or achievement. Any or all of Novavax’s forward-looking statements in this Current Report on Form 8-K may turn out to be inaccurate or materially different from actual results. Further, any forward-looking statement speaks only as of the date when it is made, and Novavax undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, unless required by law. New factors emerge from time to time, and it is not possible for Novavax to predict which factors will arise. In addition, Novavax cannot assess the impact of each factor on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements.

 

 Item 9.01. Financial Statements and Exhibits.

 

(d) Exhibits.

 

Exhibit No.   Description
99.1   Press release, Dated August 27, 2025
104   Cover Page Interactive Data File (formatted as Inline XBRL).

 

 

 

 

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

  Novavax, Inc.
     
Date: August 27, 2025 By: /s/ Mark J. Casey
  Name: Mark J. Casey
  Title: Executive Vice President, Chief Legal Officer and Corporate Secretary

 

 

 

 

FAQ

What did Novavax (NVAX) announce in this 8-K filing?

Novavax announced that the U.S. FDA approved a supplemental Biologics License Application for the Nuvaxovid™ 2025-2026 COVID-19 vaccine formula and extended its shelf life from three months to six months.

Which patients can receive Novavax’s Nuvaxovid 2025-2026 COVID-19 vaccine?

The Nuvaxovid™ 2025-2026 formula is approved for adults 65 years and older and for individuals 12 to 64 years of age who have at least one underlying condition that puts them at high risk for severe outcomes from COVID-19.

How did the FDA change the shelf life of Novavax’s 2025-2026 Nuvaxovid formula?

The FDA approved an extension of the shelf life of the Nuvaxovid™ 2025-2026 COVID-19 vaccine formula from three months to six months.

What postmarketing studies is Novavax required to conduct for Nuvaxovid 2025-2026?

The FDA requires two postmarketing commitments: a Phase 3 open-label, single-arm study to evaluate safety and immunogenicity and a Phase 4 observer-blind, placebo-controlled, randomized clinical trial to evaluate post-COVID vaccination syndrome.

Does the Novavax 8-K include forward-looking statements related to its COVID-19 vaccine?

Yes. Novavax includes forward-looking statements about the efficacy, safety and intended utilization of its COVID-19 vaccine for the 2025-2026 vaccination season, subject to risks and uncertainties described in its risk factor disclosures.

Where can investors find more risk information related to Novavax’s COVID-19 vaccine program?

Risk factors are referenced from Novavax’s Annual Report on Form 10-K for the year ended December 31, 2024 and its Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, as well as other SEC filings.
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Biotechnology
Biological Products, (no Diagnostic Substances)
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United States
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