aTYR PHARMA INC SEC filings ATYR
aTYR PHARMA INC has 755 filings in SEC EDGAR's recent list, going back to Sep 23, 2005. Its latest annual report, Form ARS, was filed on Mar 26, 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 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Nov 6, 2026 | — |
| S-8 | Employee stock plan registration | Aug 7, 2026 | — |
| S-8 | Employee stock plan registration | Aug 7, 2025 | — |
| S-3 | Shelf registration | Aug 7, 2025 | — |
| 424B5 | Prospectus supplement | Dec 23, 2024 | — |
| S-8 | Employee stock plan registration | Aug 13, 2024 | — |
| S-3 | Shelf registration | Nov 9, 2023 | — |
| 424B5 | Prospectus supplement | Nov 9, 2023 | — |
| S-8 | Employee stock plan registration | Aug 10, 2023 | — |
| 424B5 | Prospectus supplement | Feb 9, 2023 | — |
| 424B5 | Prospectus supplement | Feb 8, 2023 | — |
| S-8 | Employee stock plan registration | May 11, 2022 | — |
| 424B5 | Prospectus supplement | Apr 22, 2022 | — |
| S-3 | Shelf registration | Mar 15, 2022 | — |
| 424B5 | Prospectus supplement | Sep 16, 2021 | — |
| S-3MEF | Filing | Sep 15, 2021 | — |
| 424B5 | Prospectus supplement | Sep 15, 2021 | — |
| S-3 | Shelf registration | Aug 11, 2021 | — |
| S-8 | Employee stock plan registration | May 14, 2021 | — |
| 424B5 | Prospectus supplement | Mar 24, 2021 | — |
| 424B5 | Prospectus supplement | Feb 9, 2021 | — |
| S-3 | Shelf registration | Nov 16, 2020 | — |
| 424B5 | Prospectus supplement | Nov 16, 2020 | — |
| 424B3 | Prospectus | Oct 2, 2020 | — |
| S-1 | Registration statement | Sep 18, 2020 | — |
| S-8 | Employee stock plan registration | Aug 18, 2020 | — |
| 424B5 | Prospectus supplement | May 20, 2020 | — |
| 424B4 | Prospectus | Feb 6, 2020 | — |
| S-1MEF | Filing | Feb 5, 2020 | — |
| S-1/A | Amended registration statement | Feb 3, 2020 | — |
| S-1/A | Amended registration statement | Jan 27, 2020 | — |
| S-1 | Registration statement | Jan 17, 2020 | — |
| S-3/A | Filing | Jun 18, 2019 | — |
| S-3 | Shelf registration | May 22, 2019 | — |
| 424B5 | Prospectus supplement | May 22, 2019 | — |
| S-8 | Employee stock plan registration | May 20, 2019 | — |
| 424B5 | Prospectus supplement | Apr 11, 2019 | — |
| S-8 | Employee stock plan registration | Mar 23, 2018 | — |
| S-3 | Shelf registration | Sep 14, 2017 | — |
| S-8 | Employee stock plan registration | Mar 22, 2017 | — |
| S-3 | Shelf registration | Jun 13, 2016 | — |
| S-8 | Employee stock plan registration | Apr 1, 2016 | — |
| S-8 | Employee stock plan registration | May 7, 2015 | — |
| 424B4 | Prospectus | May 7, 2015 | — |
| S-1/A | Amended registration statement | May 6, 2015 | — |
| S-1/A | Amended registration statement | May 1, 2015 | — |
| S-1/A | Amended registration statement | Apr 27, 2015 | — |
| S-1 | Registration statement | Apr 6, 2015 | — |
Showing 48 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
- ATYR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Diego, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1339970
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.