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 |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 27, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2026 | Oct 27, 2026 |
| EFFECT | Filing | Sep 18, 2026 | — |
| 424B5 | Prospectus supplement | Sep 18, 2026 | — |
| 8-K |
Current report
Material agreement, Agreement ended
|
Sep 11, 2026 | Sep 11, 2026 |
| S-3 | Shelf registration | Sep 11, 2026 | — |
| 10-Q | Quarterly report | Jul 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2026 | Jul 28, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2026 | Jun 17, 2026 |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 17, 2026 |
| 10-Q | Quarterly report | Apr 28, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2026 | Apr 28, 2026 |
| S-8 | Employee stock plan registration | Feb 26, 2026 | — |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Other events
|
Nov 4, 2025 | Nov 3, 2025 |
| 10-Q | Quarterly report | Oct 28, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2025 | Oct 28, 2025 |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2025 | Jun 20, 2025 |
| 8-K |
Current report
Listing notice
|
May 2, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 29, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 29, 2025 | — |
| DEF 14A | Proxy statement | Apr 29, 2025 | Dec 31, 2024 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2025 | Apr 29, 2025 |
| S-8 | Employee stock plan registration | Feb 27, 2025 | — |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 27, 2025 | Feb 24, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 31, 2025 | Jan 27, 2025 |
| 10-Q | Quarterly report | Oct 29, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2024 | Oct 29, 2024 |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2024 | Jul 30, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2024 | Jun 13, 2024 |
| 10-Q | Quarterly report | Apr 30, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2024 | Apr 30, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Dec 31, 2023 |
| EFFECT | Filing | Mar 6, 2024 | — |
| 424B5 | Prospectus supplement | Mar 6, 2024 | — |
| CORRESP | Letter to the SEC | Mar 4, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 4, 2024 | — |
| 8-K |
Current report
Material agreement
|
Feb 28, 2024 | Feb 28, 2024 |
| S-3 | Shelf registration | Feb 28, 2024 | — |
| S-8 | Employee stock plan registration | Feb 28, 2024 | — |
| 10-K | Annual report | Feb 28, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Other events
|
Dec 14, 2023 | Dec 14, 2023 |
| 424B3 | Prospectus | Nov 22, 2023 | — |
| 10-Q | Quarterly report | Oct 31, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2023 | Oct 31, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2023 | Jun 14, 2023 |
| 10-Q | Quarterly report | May 2, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 2, 2023 | May 2, 2023 |
| ARS | Annual report to shareholders | Apr 27, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 27, 2023 | — |
| DEF 14A | Proxy statement | Apr 27, 2023 | Jun 14, 2023 |
| S-8 | Employee stock plan registration | Feb 23, 2023 | — |
| 10-K | Annual report | Feb 23, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2023 | Feb 23, 2023 |
| 10-Q | Quarterly report | Nov 1, 2022 | Sep 30, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
Nov 1, 2022 | Mar 30, 2022 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change
|
Nov 1, 2022 | Oct 27, 2022 |
| 424B3 | Prospectus | Aug 9, 2022 | — |
| EFFECT | Filing | Aug 8, 2022 | — |
| POS AM | Filing | Aug 2, 2022 | — |
| 424B3 | Prospectus | Aug 2, 2022 | — |
| 10-Q | Quarterly report | Aug 2, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2022 | Aug 2, 2022 |
| 424B3 | Prospectus | Jun 16, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2022 | Jun 14, 2022 |
| 424B3 | Prospectus | May 3, 2022 | — |
| 10-Q | Quarterly report | May 3, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 3, 2022 | May 3, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 14, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 31, 2022 | Mar 30, 2022 |
| 424B3 | Prospectus | Mar 2, 2022 | — |
| EFFECT | Filing | Mar 1, 2022 | — |
| POS AM | Post effective amendment to form s-1 | Feb 24, 2022 | — |
| S-8 | Employee stock plan registration | Feb 24, 2022 | — |
| 10-K | Annual report | Feb 24, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 424B3 | Prospectus | Dec 21, 2021 | — |
| 424B3 | Prospectus | Nov 2, 2021 | — |
| 10-Q | Quarterly report | Nov 2, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2021 | 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 | — |
| 10-Q | Quarterly report | Aug 10, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2021 | Aug 10, 2021 |
| EFFECT | Filing | Aug 6, 2021 | — |
| 424B3 | Prospectus | Aug 6, 2021 | — |
| CORRESP | Letter to the SEC | Aug 3, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 3, 2021 | — |
| S-1 | Registration statement | Jul 22, 2021 | — |
| D | Filing | Jun 22, 2021 | — |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale, Change to shareholder rights, Auditor change, Change in control, Officer or director change, Bylaw or fiscal year change
|
Jun 10, 2021 | Jun 9, 2021 |
| 425 | Filing | Jun 8, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2021 | Jun 8, 2021 |
| 8-K |
Current report
Other events
|
Jun 1, 2021 | Jun 1, 2021 |
| 425 | 8-k | Jun 1, 2021 | — |
| 424B3 | Prospectus | May 14, 2021 | — |
| EFFECT | Filing | May 13, 2021 | — |
| 10-Q | Quarterly report | May 13, 2021 | Mar 31, 2021 |
| S-4/A | Filing | May 13, 2021 | — |
| CORRESP | Letter to the SEC | May 12, 2021 | — |
| CORRESP | Letter to the SEC | May 10, 2021 | — |
| UPLOAD | Letter from the SEC | May 6, 2021 | — |
| S-4/A | Filing | Apr 26, 2021 | — |
| CORRESP | Letter to the SEC | Apr 23, 2021 | — |
| UPLOAD | Letter from the SEC | Apr 20, 2021 | — |
| S-4/A | Filing | Apr 7, 2021 | — |
| 425 | 8-k | Apr 7, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 7, 2021 | Apr 7, 2021 |
| 425 | Filing | Apr 6, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 6, 2021 | Apr 6, 2021 |
| 10-K | Annual report | Mar 30, 2021 | Dec 31, 2020 |
| CORRESP | Letter to the SEC | Mar 26, 2021 | — |
| S-4 | Registration for a merger or exchange | Mar 26, 2021 | — |
| UPLOAD | Letter from the SEC | Mar 19, 2021 | — |
| DRS | Filing | Feb 16, 2021 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Feb 8, 2021 | Feb 7, 2021 |
| 425 | 8-k | Feb 8, 2021 | — |
| 10-Q | Quarterly report | Nov 13, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Sep 18, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Other events
|
Aug 17, 2020 | Aug 11, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change
|
Aug 12, 2020 | Aug 11, 2020 |
| 424B4 | Prospectus | Aug 10, 2020 | — |
| EFFECT | Filing | Aug 6, 2020 | — |
| S-1MEF | Filing | Aug 6, 2020 | — |
| CERT | Filing | Aug 6, 2020 | — |
| 8-A12B | Filing | Aug 6, 2020 | — |
| CORRESP | Letter to the SEC | Aug 4, 2020 | — |
| CORRESP | Letter to the SEC | Aug 4, 2020 | — |
| S-1/A | Amended registration statement | Jul 30, 2020 | — |
| CORRESP | Letter to the SEC | Jul 21, 2020 | — |
| S-1 | Registration statement | Jul 21, 2020 | — |
| UPLOAD | Letter from the SEC | May 14, 2020 | — |
| DRS | Filing | Apr 17, 2020 | — |
Showing 148 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.