Vaxart, Inc. SEC filings VXRT
Vaxart, Inc. has 1,002 filings in SEC EDGAR's recent list, going back to May 18, 2011. Its latest annual report, Form ARS, was filed on Jun 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 19, 2026 | Oct 16, 2026 |
| 8-K |
Current report
Other events
|
Sep 14, 2026 | Sep 3, 2026 |
| 8-K |
Current report
Other events
|
Aug 25, 2026 | Aug 21, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Other events
|
Jul 28, 2026 | Jul 27, 2026 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jul 17, 2026 | Jul 16, 2026 |
| 8-K |
Current report
Other events
|
Jul 7, 2026 | Jul 6, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 2, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 26, 2026 | Jun 22, 2026 |
| 8-K |
Current report
Other events
|
May 19, 2026 | May 19, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 23, 2026 | Apr 23, 2026 |
| 8-K |
Current report
Other events
|
Apr 21, 2026 | Apr 20, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Apr 17, 2026 | Apr 16, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2026 | Mar 12, 2026 |
| 8-K |
Current report
Agreement ended
|
Dec 29, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Nov 5, 2025 | Nov 4, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 10, 2025 | Oct 8, 2025 |
| 8-K |
Current report
Listing notice
|
Sep 19, 2025 | Sep 19, 2025 |
| 8-K |
Current report
Other events
|
Sep 19, 2025 | Sep 18, 2025 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Sep 8, 2025 | Sep 5, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 2, 2025 | Sep 2, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 29, 2025 | Aug 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 21, 2025 | Aug 20, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 15, 2025 | Aug 14, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2025 | Aug 13, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 6, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Other events
|
Jul 8, 2025 | Jul 8, 2025 |
| 8-K |
Current report
Listing notice
|
Jul 2, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jun 17, 2025 | Jun 13, 2025 |
| 8-K |
Current report
Other events
|
Jun 11, 2025 | Jun 11, 2025 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jun 2, 2025 | Jun 2, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 28, 2025 | May 28, 2025 |
| 8-K |
Current report
Other events
|
May 28, 2025 | May 27, 2025 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
May 22, 2025 | May 21, 2025 |
| 8-K |
Current report
Other events
|
May 16, 2025 | May 16, 2025 |
| 8-K |
Current report
Other events
|
May 15, 2025 | May 15, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
May 13, 2025 | May 12, 2025 |
| 8-K |
Current report
Results of operations
|
May 13, 2025 | May 13, 2025 |
| 8-K |
Current report
Other events
|
May 12, 2025 | May 12, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 5, 2025 | May 5, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 28, 2025 | Apr 24, 2025 |
| 8-K |
Current report
Material agreement
|
Mar 21, 2025 | Mar 21, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 21, 2025 | Mar 20, 2025 |
| 8-K |
Current report
Other events
|
Mar 11, 2025 | Mar 11, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 24, 2025 | Feb 21, 2025 |
| 8-K |
Current report
Material agreement
|
Feb 10, 2025 | Feb 7, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 28, 2025 | Jan 24, 2025 |
| 8-K |
Current report
Other events
|
Jan 21, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Listing notice
|
Dec 31, 2024 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement
|
Dec 27, 2024 | Dec 20, 2024 |
| 8-K |
Current report
Other events
|
Dec 5, 2024 | Dec 2, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Agreement ended
|
Oct 8, 2024 | Oct 8, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Sep 30, 2024 | Sep 27, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 5, 2024 | Jul 2, 2024 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jun 20, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 18, 2024 | Jun 17, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 14, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 13, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Jun 13, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Results of operations
|
May 13, 2024 | May 13, 2024 |
| 8-K |
Current report
Other events
|
Apr 30, 2024 | Apr 30, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 6, 2024 | Mar 4, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 29, 2024 | Feb 27, 2024 |
| 8-K |
Current report
Other events
|
Feb 15, 2024 | Feb 14, 2024 |
| 8-K/A |
Amended current report
Officer or director change
|
Feb 2, 2024 | Jan 15, 2024 |
| 8-K |
Current report
Listing notice, Other events
|
Jan 19, 2024 | Jan 19, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Jan 16, 2024 | Jan 16, 2024 |
| 8-K |
Current report
Material agreement, Officer or director change, Other events
|
Jan 16, 2024 | Jan 15, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Oct 23, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 23, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Other events
|
Sep 6, 2023 | Sep 6, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Listing notice
|
Jul 26, 2023 | Jul 21, 2023 |
| 8-K |
Current report
Other events
|
Jul 10, 2023 | Jul 6, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 28, 2023 | Jun 26, 2023 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 8, 2023 | Jun 6, 2023 |
| 8-K |
Current report
Other events
|
Jun 6, 2023 | Jun 6, 2023 |
| 8-K |
Current report
Other events
|
May 25, 2023 | May 24, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 4, 2023 |
| 8-K |
Current report
Listing notice
|
Mar 31, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2023 | Mar 15, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 19, 2022 | Dec 15, 2022 |
| 8-K |
Current report
Other events
|
Dec 6, 2022 | Nov 18, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 1, 2022 | Aug 31, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 25, 2022 | Aug 23, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2022 | Aug 8, 2022 |
| 8-K/A |
Amended current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
Aug 5, 2022 | Jul 6, 2022 |
| 8-K |
Current report
Other events
|
Jul 28, 2022 | Jul 27, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jul 8, 2022 | Jul 6, 2022 |
| 8-K |
Current report
Material agreement
|
Jul 6, 2022 | Jun 29, 2022 |
| 8-K |
Current report
Other events
|
Jun 28, 2022 | Jun 22, 2022 |
| 8-K |
Current report
Other events
|
Jun 16, 2022 | Jun 16, 2022 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jun 8, 2022 | Jun 7, 2022 |
| 8-K |
Current report
Other events
|
Jun 6, 2022 | Jun 3, 2022 |
| 8-K |
Current report
Officer or director change
|
May 11, 2022 | May 10, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 9, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2022 | Mar 28, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Other events
|
Feb 15, 2022 | Feb 14, 2022 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Other events
|
Dec 1, 2021 | Nov 24, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Material agreement
|
Sep 21, 2021 | Sep 17, 2021 |
| 8-K/A |
Amended current report
Material agreement
|
Sep 16, 2021 | Sep 13, 2021 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Sep 16, 2021 | Sep 13, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 23, 2021 | Aug 20, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 2, 2021 | Aug 2, 2021 |
| 8-K |
Current report
Auditor change
|
Jul 20, 2021 | Jul 16, 2021 |
| 8-K |
Current report
Other events
|
Jul 9, 2021 | Jul 1, 2021 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 21, 2021 | Jun 16, 2021 |
| 8-K |
Current report
Other events
|
May 3, 2021 | May 3, 2021 |
| 8-K |
Current report
Officer or director change
|
Apr 23, 2021 | Apr 21, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 13, 2021 | Apr 7, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2021 | Feb 25, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 3, 2021 | Feb 3, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 3, 2021 | Feb 3, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 29, 2021 | Jan 28, 2021 |
| 8-K |
Current report
Material agreement
|
Nov 19, 2020 | Nov 16, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 19, 2020 | Nov 19, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Material agreement, Results of operations, Other events
|
Oct 14, 2020 | Oct 13, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 8, 2020 | Sep 11, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 23, 2020 | Sep 23, 2020 |
| 8-K |
Current report
Other events
|
Sep 15, 2020 | Sep 14, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Aug 27, 2020 | Aug 25, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Other events
|
Jul 13, 2020 | Jul 13, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 8, 2020 | Jul 8, 2020 |
| 8-K |
Current report
Other events
|
Jun 30, 2020 | Jun 25, 2020 |
| 8-K |
Current report
Listing notice
|
Jun 23, 2020 | Jun 22, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 18, 2020 | Jun 18, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 15, 2020 | Jun 14, 2020 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jun 9, 2020 | Jun 8, 2020 |
| 8-K |
Current report
Results of operations
|
May 12, 2020 | May 12, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 29, 2020 | Apr 28, 2020 |
| 8-K |
Current report
Officer or director change
|
Apr 14, 2020 | Apr 13, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 19, 2020 | Mar 18, 2020 |
| 8-K |
Current report
Material agreement
|
Mar 2, 2020 | Feb 27, 2020 |
| 8-K |
Current report
Exit or restructuring costs, Auditor change
|
Jan 2, 2020 | Dec 26, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 4, 2019 | Nov 30, 2019 |
| 8-K |
Current report
Listing notice
|
Nov 21, 2019 | Nov 19, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2019 | Nov 12, 2019 |
| 8-K |
Current report
Agreement ended
|
Nov 7, 2019 | Nov 4, 2019 |
| 8-K |
Current report
Officer or director change
|
Oct 28, 2019 | Oct 25, 2019 |
| 8-K |
Current report
Other events
|
Sep 25, 2019 | Sep 25, 2019 |
| 8-K |
Current report
Material agreement
|
Sep 19, 2019 | Sep 17, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Jul 30, 2019 |
| 8-K |
Current report
Listing notice
|
May 24, 2019 | May 22, 2019 |
| 8-K |
Current report
Officer or director change
|
May 16, 2019 | May 12, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Apr 24, 2019 | Apr 23, 2019 |
| 8-K |
Current report
Other events
|
Mar 27, 2019 | Mar 27, 2019 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Mar 20, 2019 | Mar 19, 2019 |
| 8-K |
Current report
Other events
|
Mar 19, 2019 | Mar 19, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2019 | Feb 6, 2019 |
| 8-K |
Current report
Officer or director change
|
Jan 18, 2019 | Jan 14, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 18, 2018 | Dec 12, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 20, 2018 | Nov 17, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2018 | Nov 9, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2018 | Aug 9, 2018 |
| 8-K/A | Amended current report | Jun 8, 2018 | May 31, 2018 |
| 8-K |
Current report
Officer or director change
|
Jun 6, 2018 | May 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 15, 2018 | May 15, 2018 |
| 8-K/A | Amended current report | Apr 27, 2018 | Feb 13, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Apr 13, 2018 | Apr 11, 2018 |
| 8-K/A | Amended current report | Apr 2, 2018 | Feb 13, 2018 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Auditor change, Change in control, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Feb 20, 2018 | Feb 13, 2018 |
| 8-K |
Current report
Material agreement, Shareholder vote results, Other events
|
Feb 9, 2018 | Feb 9, 2018 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 7, 2018 | Feb 7, 2018 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Feb 6, 2018 | Feb 6, 2018 |
| 8-K |
Current report
Other events
|
Feb 1, 2018 | Jan 31, 2018 |
| 8-K |
Current report
Other events
|
Jan 26, 2018 | Jan 26, 2018 |
| 8-K |
Current report
Other events
|
Jan 24, 2018 | Jan 24, 2018 |
| 8-K |
Current report
Other events
|
Jan 17, 2018 | Jan 17, 2018 |
| 8-K |
Current report
Other events
|
Jan 12, 2018 | Jan 11, 2018 |
| 8-K |
Current report
Other events
|
Jan 5, 2018 | Jan 3, 2018 |
| 8-K |
Current report
Other events
|
Dec 19, 2017 | Dec 19, 2017 |
| 8-K |
Current report
Other events
|
Nov 30, 2017 | Nov 29, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Other events
|
Oct 31, 2017 | Oct 30, 2017 |
| 8-K |
Current report
Material agreement, Exit or restructuring costs, Change in control, Regulation FD disclosure, Other events
|
Oct 30, 2017 | Oct 27, 2017 |
| 8-K |
Current report
Listing notice
|
Sep 27, 2017 | Sep 26, 2017 |
| 8-K |
Current report
Listing notice
|
Sep 20, 2017 | Sep 19, 2017 |
| 8-K |
Current report
Results of operations
|
Sep 5, 2017 | Aug 31, 2017 |
| 8-K |
Current report
Results of operations
|
May 4, 2017 | May 4, 2017 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 4, 2017 | Apr 3, 2017 |
| 8-K |
Current report
Listing notice
|
Apr 3, 2017 | Mar 28, 2017 |
| 8-K |
Current report
Other events
|
Feb 13, 2017 | Feb 13, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2017 | Feb 2, 2017 |
| 8-K |
Current report
Other events
|
Feb 2, 2017 | Feb 1, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 9, 2017 | Jan 9, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Nov 10, 2016 | Nov 10, 2016 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- VXRT (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- South San Francisco, CA
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 72444
- Former names
- Aviragen Therapeutics, Inc. (until Feb 15, 2018); Biota Pharmaceuticals, Inc. (until Apr 13, 2016); NABI BIOPHARMACEUTICALS (until Nov 8, 2012); NABI BIOPHARMACEUTICALS (until Jun 29, 2010); NABI /DE/ (until Feb 14, 2002)
Other Biological Products, (No Diagnostic Substances) companies
- Amgen Inc AMGN
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- Moderna, Inc. MRNA
- Argenx SE ARGX
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- Biogen Inc. BIIB
- BioNTech SE BNTX
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.