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 |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 6, 2026 | Nov 6, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 27, 2026 | Oct 27, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Oct 16, 2026 | Oct 16, 2026 |
| 8-K |
Current report
Other events
|
Sep 24, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2026 | Aug 7, 2026 |
| 8-K |
Current report
Agreement ended
|
Jul 31, 2026 | Jul 30, 2026 |
| 8-K |
Current report
Listing notice
|
Jun 8, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 1, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Results of operations
|
May 15, 2026 | May 15, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 11, 2026 | May 11, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Listing notice
|
Dec 5, 2025 | Dec 4, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Other events
|
Sep 15, 2025 | Sep 15, 2025 |
| 8-K/A |
Amended current report
Results of operations
|
Aug 8, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Impairment
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 6, 2025 | May 1, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 23, 2024 | Dec 23, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 12, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2024 | Aug 13, 2024 |
| 8-K |
Current report
Other events
|
Jul 22, 2024 | Jul 22, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
May 29, 2024 | May 22, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 26, 2023 | Sep 26, 2023 |
| 8-K |
Current report
Other events
|
Sep 11, 2023 | Sep 10, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 19, 2023 | May 17, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 9, 2023 | Mar 9, 2023 |
| 8-K |
Current report
Other events
|
Feb 9, 2023 | Feb 8, 2023 |
| 8-K |
Current report
Other events
|
Feb 6, 2023 | Feb 6, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 15, 2022 | Aug 15, 2022 |
| 8-K |
Current report
Other events
|
Aug 11, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Other events
|
May 17, 2022 | May 16, 2022 |
| 8-K |
Current report
Material agreement
|
May 16, 2022 | May 12, 2022 |
| 8-K |
Current report
Results of operations
|
May 9, 2022 | May 9, 2022 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Apr 29, 2022 | Apr 26, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Apr 22, 2022 | Apr 22, 2022 |
| 8-K/A |
Amended current report
Other events
|
Apr 14, 2022 | Apr 12, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 13, 2022 | Apr 12, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2022 | Mar 14, 2022 |
| 8-K | Current report | Nov 10, 2021 | Nov 10, 2021 |
| 8-K |
Current report
Other events
|
Sep 16, 2021 | Sep 15, 2021 |
| 8-K |
Current report
Other events
|
Sep 13, 2021 | Sep 13, 2021 |
| 8-K | Current report | Aug 10, 2021 | Aug 10, 2021 |
| 8-K | Current report | May 25, 2021 | May 21, 2021 |
| 8-K |
Current report
Results of operations
|
May 13, 2021 | May 13, 2021 |
| 8-K |
Current report
Other events
|
May 4, 2021 | Apr 28, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 23, 2021 | Mar 23, 2021 |
| 8-K |
Current report
Other events
|
Mar 15, 2021 | Mar 15, 2021 |
| 8-K |
Current report
Other events
|
Feb 9, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 25, 2021 | Jan 25, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 22, 2021 | Jan 22, 2021 |
| 8-K |
Current report
Other events
|
Jan 14, 2021 | Jan 12, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 11, 2021 | Jan 8, 2021 |
| 8-K |
Current report
Other events
|
Jan 4, 2021 | Jan 4, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Sep 14, 2020 | Sep 11, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2020 | Aug 13, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 22, 2020 | Jun 22, 2020 |
| 8-K |
Current report
Other events
|
May 20, 2020 | May 20, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 18, 2020 | May 18, 2020 |
| 8-K |
Current report
Results of operations
|
May 12, 2020 | May 12, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 8, 2020 | May 6, 2020 |
| 8-K |
Current report
Other events
|
Apr 21, 2020 | Apr 21, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 28, 2020 | Feb 25, 2020 |
| 8-K |
Current report
Material agreement
|
Jan 6, 2020 | Jan 6, 2020 |
| 8-K |
Current report
Other events
|
Dec 12, 2019 | Dec 12, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2019 | Nov 14, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2019 | Aug 14, 2019 |
| 8-K |
Current report
Officer or director change, Other events
|
Jul 1, 2019 | Jun 28, 2019 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Jun 28, 2019 | Jun 28, 2019 |
| 8-K |
Current report
Material agreement
|
May 22, 2019 | May 21, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 20, 2019 | May 19, 2019 |
| 8-K |
Current report
Results of operations
|
May 13, 2019 | May 13, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 10, 2019 | May 8, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 11, 2019 | Apr 10, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2019 | Mar 25, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 11, 2019 | Mar 11, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 27, 2019 | Feb 27, 2019 |
| 8-K |
Current report
Listing notice
|
Feb 8, 2019 | Feb 7, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2018 | Nov 13, 2018 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 15, 2018 | Oct 9, 2018 |
| 8-K |
Current report
Officer or director change
|
Aug 21, 2018 | Aug 15, 2018 |
| 8-K |
Current report
Results of operations, Listing notice
|
Aug 14, 2018 | Aug 9, 2018 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Aug 1, 2018 | Jul 30, 2018 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 27, 2018 | Jul 27, 2018 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 26, 2018 | Jun 26, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 4, 2018 | Jun 4, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
May 21, 2018 | May 20, 2018 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 17, 2018 | May 15, 2018 |
| 8-K |
Current report
Agreement ended, Results of operations, Exit or restructuring costs
|
May 14, 2018 | May 10, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2018 | May 7, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2018 | Apr 17, 2018 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Mar 19, 2018 | Mar 19, 2018 |
| 8-K |
Current report
Officer or director change
|
Mar 8, 2018 | Mar 6, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 25, 2018 | Jan 25, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2018 | Jan 8, 2018 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Dec 22, 2017 | Dec 22, 2017 |
| 8-K |
Current report
Officer or director change
|
Dec 11, 2017 | Dec 11, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2017 | Nov 14, 2017 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 1, 2017 | Nov 1, 2017 |
| 8-K |
Current report
Other events
|
Oct 5, 2017 | Oct 5, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 31, 2017 | Aug 28, 2017 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 28, 2017 | Aug 27, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2017 | Aug 14, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 10, 2017 | Aug 10, 2017 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jul 5, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
May 23, 2017 | May 23, 2017 |
| 8-K |
Current report
Results of operations, Officer or director change, Shareholder vote results
|
May 11, 2017 | May 11, 2017 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 24, 2017 | Apr 24, 2017 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 24, 2017 | Apr 24, 2017 |
| 8-K |
Current report
Officer or director change
|
Apr 10, 2017 | Apr 7, 2017 |
| 8-K |
Current report
Officer or director change
|
Apr 3, 2017 | Apr 3, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2017 | Mar 16, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 9, 2017 | Jan 9, 2017 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 13, 2016 | Dec 13, 2016 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale
|
Nov 21, 2016 | Nov 18, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2016 | Nov 14, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 7, 2016 | Nov 7, 2016 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 6, 2016 | Oct 6, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2016 | Aug 10, 2016 |
| 8-K |
Current report
Officer or director change
|
Jun 16, 2016 | Jun 10, 2016 |
| 8-K |
Current report
Shareholder vote results
|
May 26, 2016 | May 24, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 11, 2016 | May 11, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 13, 2016 | Apr 13, 2016 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 30, 2016 | Mar 30, 2016 |
| 8-K |
Current report
Officer or director change
|
Jan 29, 2016 | Jan 27, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 11, 2016 | Jan 11, 2016 |
| 8-K |
Current report
Officer or director change
|
Dec 28, 2015 | Dec 21, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2015 | Nov 10, 2015 |
| 8-K |
Current report
Officer or director change
|
Oct 30, 2015 | Oct 28, 2015 |
| 8-K |
Current report
Officer or director change
|
Sep 11, 2015 | Sep 10, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2015 | Aug 12, 2015 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 20, 2015 | Jul 19, 2015 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 13, 2015 | Jul 10, 2015 |
| 8-K |
Current report
Material agreement, Results of operations
|
Jun 18, 2015 | Jun 16, 2015 |
Showing 146 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.