Aligos Therapeutics, Inc. SEC filings ALGS
Aligos Therapeutics, Inc. has 348 filings in SEC EDGAR's recent list, going back to Jan 16, 2020. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 6, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Jun 24, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 3 | Initial insider ownership | Feb 19, 2026 | Jan 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2025 | — |
| 4 | Insider transaction | Jul 18, 2025 | Jul 16, 2025 |
| 4 | Insider transaction | Jul 18, 2025 | Jul 16, 2025 |
| 4 | Insider transaction | Jul 18, 2025 | Jul 16, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 25, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 25, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 12, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 12, 2024 | — |
| 4 | Insider transaction | Oct 10, 2024 | Oct 8, 2024 |
| 3 | Initial insider ownership | Sep 26, 2024 | Sep 23, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 12, 2024 | — |
| 4 | Insider transaction | Sep 6, 2024 | Sep 4, 2024 |
| 4 | Insider transaction | Sep 6, 2024 | Sep 4, 2024 |
| 4 | Insider transaction | Sep 6, 2024 | Sep 4, 2024 |
| 4 | Insider transaction | Aug 9, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Aug 9, 2024 | Aug 7, 2024 |
| 3 | Initial insider ownership | Aug 9, 2024 | Aug 7, 2024 |
| 3 | Initial insider ownership | Aug 9, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 7, 2023 | — |
| 3 | Initial insider ownership | Nov 7, 2023 | Oct 25, 2023 |
| SC 13D | Ownership over 5% (active) | Nov 6, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Nov 2, 2023 | — |
| 4 | Insider transaction | Oct 27, 2023 | Oct 25, 2023 |
| 4 | Insider transaction | Oct 27, 2023 | Oct 25, 2023 |
| 4 | Insider transaction | Oct 27, 2023 | Oct 25, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Dec 27, 2022 | — |
| 4 | Insider transaction | Jul 11, 2022 | Jul 7, 2022 |
| 4 | Insider transaction | Jul 11, 2022 | Jul 7, 2022 |
| 4 | Insider transaction | Jul 11, 2022 | Jul 7, 2022 |
| 4 | Insider transaction | Jul 11, 2022 | Jul 7, 2022 |
| 4 | Insider transaction | Jul 11, 2022 | Jul 7, 2022 |
| 4 | Insider transaction | Jul 11, 2022 | Jul 7, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 23, 2022 |
| 3 | Initial insider ownership | May 6, 2022 | Apr 27, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| 4 | Insider transaction | Feb 8, 2022 | Feb 8, 2022 |
| 4 | Insider transaction | Feb 8, 2022 | Feb 4, 2022 |
| 4 | Insider transaction | Feb 8, 2022 | Feb 4, 2022 |
| 4 | Insider transaction | Feb 8, 2022 | Feb 4, 2022 |
| 4 | Insider transaction | Feb 8, 2022 | Feb 4, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 31, 2022 | — |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 3 | Initial insider ownership | Nov 18, 2021 | Nov 16, 2021 |
| SC 13G | Ownership over 5% (passive) | Aug 13, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 21, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 21, 2021 | — |
| 4 | Insider transaction | Jun 17, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 11, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | May 3, 2021 | — |
| 4 | Insider transaction | Apr 28, 2021 | Apr 26, 2021 |
| 4 | Insider transaction | Apr 27, 2021 | Apr 26, 2021 |
| 3 | Initial insider ownership | Apr 27, 2021 | Apr 26, 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 11, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 11, 2021 | — |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| SC 13D | Ownership over 5% (active) | Oct 30, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Oct 28, 2020 | — |
| SC 13D | Ownership over 5% (active) | Oct 22, 2020 | — |
| 4 | Insider transaction | Oct 22, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 22, 2020 | Oct 20, 2020 |
| SC 13G | Ownership over 5% (passive) | Oct 22, 2020 | — |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 4 | Insider transaction | Oct 20, 2020 | Oct 20, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
| 3 | Initial insider ownership | Oct 15, 2020 | Oct 15, 2020 |
Showing 189 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
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- ALGS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- South San Francisco, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1799448
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.