Ultragenyx Pharmaceutical Inc. SEC filings RARE
Ultragenyx Pharmaceutical Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Jul 20, 2015. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (acquisition or sale of assets, results of operations, exit or restructuring costs). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Acquisition or sale of assets, Results of operations, Exit or restructuring costs
|
Nov 3, 2026 | Oct 30, 2026 |
| 8-K |
Current report
Other events
|
Oct 19, 2026 | Oct 19, 2026 |
| 8-K |
Current report
Material agreement
|
Oct 14, 2026 | Oct 8, 2026 |
| 8-K |
Current report
Material agreement
|
Oct 7, 2026 | Oct 6, 2026 |
| 8-K |
Current report
Other events
|
Sep 17, 2026 | Sep 17, 2026 |
| 8-K |
Current report
Other events
|
Sep 2, 2026 | Sep 2, 2026 |
| 8-K |
Current report
Other events
|
Aug 19, 2026 | Aug 19, 2026 |
| 8-K |
Current report
Other events
|
Aug 11, 2026 | Aug 7, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2026 | Aug 4, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 18, 2026 | May 14, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Other events
|
Apr 2, 2026 | Apr 2, 2026 |
| 8-K |
Current report
Other events
|
Mar 30, 2026 | Mar 30, 2026 |
| 8-K |
Current report
Other events
|
Mar 12, 2026 | Mar 12, 2026 |
| 8-K |
Current report
Other events
|
Feb 23, 2026 | Feb 23, 2026 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Feb 12, 2026 | Feb 12, 2026 |
| 8-K |
Current report
Other events
|
Feb 3, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Other events
|
Jan 30, 2026 | Jan 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Other events
|
Dec 30, 2025 | Dec 30, 2025 |
| 8-K |
Current report
Other events
|
Dec 29, 2025 | Dec 29, 2025 |
| 8-K |
Current report
Material agreement, Results of operations
|
Nov 4, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Other events
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Other events
|
Sep 8, 2025 | Sep 8, 2025 |
| 8-K |
Current report
Other events
|
Aug 18, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Other events
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Other events
|
Jul 11, 2025 | Jul 11, 2025 |
| 8-K |
Current report
Other events
|
Jul 9, 2025 | Jul 9, 2025 |
| 8-K |
Current report
Other events
|
Jun 27, 2025 | Jun 27, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 19, 2025 | May 15, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 13, 2025 | Jan 12, 2025 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Other events
|
Nov 12, 2024 | Nov 9, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2024 | Nov 5, 2024 |
| 8-K |
Current report
Other events
|
Oct 7, 2024 | Oct 7, 2024 |
| 8-K |
Current report
Other events
|
Oct 3, 2024 | Oct 3, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Other events
|
Jul 17, 2024 | Jul 17, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 21, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Material agreement
|
Jun 17, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Other events
|
Jun 12, 2024 | Jun 12, 2024 |
| 8-K |
Current report
Other events
|
Jun 12, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Other events
|
May 30, 2024 | May 30, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Other events
|
Apr 15, 2024 | Apr 15, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 8, 2024 | Jan 7, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 21, 2023 | Dec 15, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Material agreement
|
Oct 23, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Oct 16, 2023 | Oct 14, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 8, 2023 | Sep 6, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 12, 2023 | Jul 12, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 6, 2023 | Jul 6, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 13, 2023 | Jun 7, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 5, 2023 | Jun 5, 2023 |
| 8-K |
Current report
Other events
|
May 17, 2023 | May 17, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 23, 2023 | Mar 20, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 14, 2023 | Mar 14, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2023 | Feb 16, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 6, 2023 | Jan 6, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Oct 28, 2022 | Jun 24, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 15, 2022 | Sep 9, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Regulation FD disclosure, Other events
|
Jul 18, 2022 | Jul 15, 2022 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 14, 2022 | Jul 14, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 27, 2022 | Jun 24, 2022 |
| 8-K |
Current report
Other events
|
May 17, 2022 | May 17, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 22, 2022 | Apr 18, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 10, 2022 | Feb 10, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 10, 2022 | Jan 10, 2022 |
| 8-K |
Current report
Other events
|
Jan 7, 2022 | Jan 7, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2021 | Nov 2, 2021 |
| 8-K |
Current report
Other events
|
Oct 7, 2021 | Oct 7, 2021 |
| 8-K |
Current report
Other events
|
Sep 27, 2021 | Sep 27, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2021 | Aug 2, 2021 |
| 8-K |
Current report
Officer or director change
|
Jun 30, 2021 | Jun 29, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 25, 2021 | Jun 24, 2021 |
| 8-K |
Current report
Other events
|
Jun 10, 2021 | Jun 10, 2021 |
| 8-K |
Current report
Other events
|
May 19, 2021 | May 19, 2021 |
| 8-K |
Current report
Other events
|
May 14, 2021 | May 14, 2021 |
| 8-K |
Current report
Material agreement
|
May 7, 2021 | May 7, 2021 |
| 8-K |
Current report
Results of operations
|
May 4, 2021 | May 4, 2021 |
| 8-K |
Current report
Officer or director change
|
Apr 16, 2021 | Apr 12, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 11, 2021 | Feb 11, 2021 |
| 8-K |
Current report
Other events
|
Jan 21, 2021 | Jan 21, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 11, 2021 | Jan 11, 2021 |
| 8-K |
Current report
Other events
|
Jan 8, 2021 | Jan 8, 2021 |
| 8-K |
Current report
Other events
|
Dec 17, 2020 | Dec 17, 2020 |
| 8-K |
Current report
Other events
|
Dec 7, 2020 | Dec 5, 2020 |
| 8-K |
Current report
Material agreement
|
Nov 2, 2020 | Oct 28, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 27, 2020 | Oct 27, 2020 |
| 8-K |
Current report
Other events
|
Oct 26, 2020 | Oct 26, 2020 |
| 8-K |
Current report
Other events
|
Oct 23, 2020 | Oct 23, 2020 |
| 8-K |
Current report
Officer or director change
|
Oct 13, 2020 | Oct 8, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 2, 2020 | Aug 28, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 29, 2020 | Jun 26, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 18, 2020 | Jun 18, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 15, 2020 | May 15, 2020 |
| 8-K |
Current report
Other events
|
May 13, 2020 | May 13, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Apr 1, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 6, 2020 | Mar 3, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 13, 2020 | Feb 13, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 13, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 9, 2020 | Jan 9, 2020 |
| 8-K |
Current report
Material agreement
|
Dec 18, 2019 | Dec 17, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 25, 2019 | Nov 20, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2019 | Nov 5, 2019 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 4, 2019 | Sep 4, 2019 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 14, 2019 | Aug 14, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Other events
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Other events
|
Jun 20, 2019 | Jun 19, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2019 | Jun 11, 2019 |
| 8-K |
Current report
Results of operations
|
May 6, 2019 | May 6, 2019 |
| 8-K |
Current report
Material agreement
|
May 3, 2019 | Apr 29, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2019 | Apr 17, 2019 |
| 8-K |
Current report
Material agreement
|
Mar 1, 2019 | Feb 26, 2019 |
| 8-K |
Current report
Other events
|
Feb 21, 2019 | Feb 21, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2019 | Feb 19, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 4, 2019 | Jan 30, 2019 |
| 8-K |
Current report
Material agreement
|
Jan 15, 2019 | Jan 10, 2019 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 7, 2019 | Jan 4, 2019 |
| 8-K |
Current report
Other events
|
Nov 14, 2018 | Nov 14, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2018 | Nov 5, 2018 |
| 8-K |
Current report
Officer or director change
|
Sep 17, 2018 | Sep 17, 2018 |
| 8-K |
Current report
Other events
|
Aug 29, 2018 | Aug 27, 2018 |
| 8-K | Current report | Aug 22, 2018 | Aug 22, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 3, 2018 | Aug 2, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2018 | Aug 2, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2018 | Jun 19, 2018 |
| 8-K |
Current report
Officer or director change
|
Jun 8, 2018 | Jun 4, 2018 |
| 8-K |
Current report
Results of operations
|
May 7, 2018 | May 7, 2018 |
| 8-K |
Current report
Other events
|
Apr 17, 2018 | Apr 17, 2018 |
| 8-K |
Current report
Material agreement
|
Mar 30, 2018 | Mar 30, 2018 |
| 8-K |
Current report
Other events
|
Mar 23, 2018 | Mar 20, 2018 |
| 8-K |
Current report
Other events
|
Mar 7, 2018 | Mar 7, 2018 |
| 8-K |
Current report
Other events
|
Feb 23, 2018 | Feb 23, 2018 |
| 8-K |
Current report
Other events
|
Feb 21, 2018 | Feb 21, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 20, 2018 | Feb 20, 2018 |
| 8-K |
Current report
Material agreement
|
Jan 26, 2018 | Jan 23, 2018 |
| 8-K/A | Amended current report | Jan 17, 2018 | Nov 7, 2017 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jan 10, 2018 | Jan 10, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2018 | Jan 8, 2018 |
| 8-K |
Current report
Material agreement
|
Dec 18, 2017 | Dec 14, 2017 |
| 8-K |
Current report
Other events
|
Dec 15, 2017 | Dec 15, 2017 |
| 8-K |
Current report
Other events
|
Nov 15, 2017 | Nov 15, 2017 |
| 8-K |
Current report
Acquisition or sale of assets
|
Nov 7, 2017 | Nov 7, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Other events
|
Oct 10, 2017 | Oct 10, 2017 |
| 8-K |
Current report
Material agreement
|
Oct 3, 2017 | Oct 2, 2017 |
| 8-K |
Current report
Other events
|
Oct 2, 2017 | Oct 2, 2017 |
| 8-K |
Current report
Other events
|
Sep 25, 2017 | Sep 22, 2017 |
| 8-K |
Current report
Other events
|
Sep 19, 2017 | Sep 18, 2017 |
| 8-K |
Current report
Other events
|
Sep 18, 2017 | Sep 18, 2017 |
| 8-K |
Current report
Other events
|
Aug 24, 2017 | Aug 22, 2017 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2017 | Jul 27, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2017 | Jun 22, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
May 16, 2017 | May 16, 2017 |
| 8-K |
Current report
Results of operations
|
May 4, 2017 | May 4, 2017 |
| 8-K |
Current report
Officer or director change
|
Apr 10, 2017 | Apr 6, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2017 | Feb 16, 2017 |
| 8-K |
Current report
Other events
|
Dec 2, 2016 | Dec 2, 2016 |
| 8-K |
Current report
Other events
|
Nov 14, 2016 | Nov 11, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2016 | Nov 7, 2016 |
| 8-K |
Current report
Other events
|
Aug 12, 2016 | Aug 10, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2016 | Aug 8, 2016 |
| 8-K |
Current report
Other events
|
Aug 3, 2016 | Jul 21, 2016 |
| 8-K |
Current report
Other events
|
Jul 14, 2016 | Jul 14, 2016 |
| 8-K |
Current report
Material agreement
|
Jul 5, 2016 | Jul 1, 2016 |
| 8-K |
Current report
Other events
|
Jun 16, 2016 | Jun 10, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2016 | Jun 9, 2016 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 10, 2016 | Jun 10, 2016 |
| 8-K |
Current report
Results of operations
|
May 9, 2016 | May 9, 2016 |
| 8-K |
Current report
Officer or director change
|
Mar 22, 2016 | Mar 17, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2016 | Feb 25, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 14, 2015 | Dec 8, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2015 | Nov 9, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2015 | Aug 13, 2015 |
| 8-K |
Current report
Material agreement
|
Aug 13, 2015 | Aug 10, 2015 |
| 8-K |
Current report
Material agreement
|
Jul 21, 2015 | Jul 15, 2015 |
Showing 193 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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- RARE (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Novato, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1515673
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.