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 |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 3, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 11, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 28, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 14, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 30, 2026 | — |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 4, 2026 | — |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 4, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 4, 2026 | — |
| 4 | Insider transaction | Mar 4, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Nov 10, 2025 | Nov 6, 2025 |
| 4 | Insider transaction | Sep 9, 2025 | Sep 5, 2025 |
| 4 | Insider transaction | Sep 5, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Jun 25, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | Jun 25, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | Jun 25, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | Jun 25, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | Jun 25, 2025 | Jun 23, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 24, 2025 | — |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 19, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 5, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 5, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 31, 2025 | — |
| 144 | Notice of proposed sale | Dec 17, 2024 | — |
| 144 | Notice of proposed sale | Dec 9, 2024 | — |
| 144 | Notice of proposed sale | Dec 3, 2024 | — |
| 144 | Notice of proposed sale | Nov 26, 2024 | — |
| 144 | Notice of proposed sale | Nov 21, 2024 | — |
| 144 | Notice of proposed sale | Nov 19, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 14, 2024 | — |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 144 | Notice of proposed sale | Nov 8, 2024 | — |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 4 | Insider transaction | Sep 25, 2024 | Sep 23, 2024 |
| 144 | Notice of proposed sale | Sep 23, 2024 | — |
| 4 | Insider transaction | Sep 18, 2024 | Sep 17, 2024 |
| 4 | Insider transaction | Sep 17, 2024 | Sep 16, 2024 |
| 3 | Initial insider ownership | Sep 17, 2024 | Sep 16, 2024 |
| 144 | Notice of proposed sale | Sep 17, 2024 | — |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Mar 11, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 17, 2023 | — |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 27, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 1, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| 4 | Insider transaction | Sep 28, 2022 | Sep 26, 2022 |
| 4 | Insider transaction | Sep 26, 2022 | Sep 23, 2022 |
| 4 | Insider transaction | Sep 19, 2022 | Sep 15, 2022 |
| 4 | Insider transaction | Aug 22, 2022 | Aug 19, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Aug 8, 2022 | Aug 5, 2022 |
| 4 | Insider transaction | Aug 3, 2022 | Aug 3, 2022 |
| 3 | Initial insider ownership | Jul 1, 2022 | Jul 1, 2022 |
| 4 | Insider transaction | Jun 28, 2022 | Jun 27, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | May 13, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 10, 2022 | May 9, 2022 |
| 4 | Insider transaction | May 5, 2022 | May 4, 2022 |
| 4 | Insider transaction | May 5, 2022 | May 4, 2022 |
| 3/A | Form 3/a | Apr 15, 2022 | Apr 11, 2022 |
| 3 | Initial insider ownership | Apr 13, 2022 | Apr 11, 2022 |
| 4 | Insider transaction | Mar 31, 2022 | Mar 30, 2022 |
| 3 | Initial insider ownership | Mar 31, 2022 | Mar 30, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 3, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 25, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| 4 | Insider transaction | Dec 21, 2021 | Dec 21, 2021 |
| 4 | Insider transaction | Dec 10, 2021 | Dec 8, 2021 |
| 4 | Insider transaction | Dec 2, 2021 | Nov 30, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 30, 2021 |
| 4 | Insider transaction | Nov 24, 2021 | Nov 24, 2021 |
| 4 | Insider transaction | Nov 17, 2021 | Nov 15, 2021 |
| 4 | Insider transaction | Aug 26, 2021 | Aug 24, 2021 |
| SC 13D | Ownership over 5% (active) | Aug 26, 2021 | — |
| 4 | Insider transaction | Aug 16, 2021 | Aug 12, 2021 |
| 4 | Insider transaction | Aug 13, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 4, 2021 | Jun 14, 2021 |
| SC 13D | Ownership over 5% (active) | Jun 30, 2021 | — |
| SC 13D | Ownership over 5% (active) | Jun 21, 2021 | — |
| SC 13D | Ownership over 5% (active) | Jun 16, 2021 | — |
| SC 13D | Ownership over 5% (active) | Jun 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 14, 2021 | — |
| 4 | Insider transaction | Jun 11, 2021 | May 24, 2021 |
| 4 | Insider transaction | Jun 11, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 3 | Initial insider ownership | Jun 9, 2021 | Jun 9, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 3, 2021 |
| 4 | Insider transaction | May 24, 2021 | May 20, 2021 |
| 3 | Initial insider ownership | May 24, 2021 | May 20, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Aug 13, 2020 | — |
| 4 | Insider transaction | Aug 11, 2020 | Aug 11, 2020 |
| 4 | Insider transaction | Aug 11, 2020 | Aug 11, 2020 |
| 4 | Insider transaction | Aug 11, 2020 | Aug 11, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
| 3 | Initial insider ownership | Aug 6, 2020 | Aug 6, 2020 |
Showing 180 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.