Nautilus Biotechnology, Inc. SEC filings NAUT
Nautilus Biotechnology, Inc. has 328 filings in SEC EDGAR's recent list, going back to Apr 17, 2020. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 27, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Sep 18, 2026 | — |
| S-3 | Shelf registration | Sep 11, 2026 | — |
| S-8 | Employee stock plan registration | Feb 26, 2026 | — |
| S-8 | Employee stock plan registration | Feb 27, 2025 | — |
| 424B5 | Prospectus supplement | Mar 6, 2024 | — |
| S-3 | Shelf registration | Feb 28, 2024 | — |
| S-8 | Employee stock plan registration | Feb 28, 2024 | — |
| 424B3 | Prospectus | Nov 22, 2023 | — |
| S-8 | Employee stock plan registration | Feb 23, 2023 | — |
| 424B3 | Prospectus | Aug 9, 2022 | — |
| POS AM | Filing | Aug 2, 2022 | — |
| 424B3 | Prospectus | Aug 2, 2022 | — |
| 424B3 | Prospectus | Jun 16, 2022 | — |
| 424B3 | Prospectus | May 3, 2022 | — |
| 424B3 | Prospectus | Mar 2, 2022 | — |
| POS AM | Post effective amendment to form s-1 | Feb 24, 2022 | — |
| S-8 | Employee stock plan registration | Feb 24, 2022 | — |
| 424B3 | Prospectus | Dec 21, 2021 | — |
| 424B3 | Prospectus | Nov 2, 2021 | — |
| S-8 | Employee stock plan registration | Aug 10, 2021 | — |
| S-8 | Employee stock plan registration | Aug 10, 2021 | — |
| 424B3 | Prospectus | Aug 10, 2021 | — |
| 424B3 | Prospectus | Aug 6, 2021 | — |
| S-1 | Registration statement | Jul 22, 2021 | — |
| 424B3 | Prospectus | May 14, 2021 | — |
| S-4/A | Filing | May 13, 2021 | — |
| S-4/A | Filing | Apr 26, 2021 | — |
| S-4/A | Filing | Apr 7, 2021 | — |
| S-4 | Registration for a merger or exchange | Mar 26, 2021 | — |
| 424B4 | Prospectus | Aug 10, 2020 | — |
| S-1MEF | Filing | Aug 6, 2020 | — |
| S-1/A | Amended registration statement | Jul 30, 2020 | — |
| S-1 | Registration statement | Jul 21, 2020 | — |
Showing 33 filings. 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
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- NAUT (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Seattle, WA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1808805
- Former names
- ARYA Sciences Acquisition Corp III (until Jun 8, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.