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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 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 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2026 | Aug 4, 2026 |
| S-8 | Employee stock plan registration | Jun 12, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 18, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| DEFA14A | Additional proxy material | Apr 30, 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 |
| ARS | Annual report to shareholders | Mar 27, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 27, 2026 | — |
| DEF 14A | Proxy statement | Mar 27, 2026 | May 14, 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 |
| 10-K | Annual report | Feb 18, 2026 | Dec 31, 2025 |
| 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 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 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 |
| S-8 | Employee stock plan registration | Jul 18, 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 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| ARS | Annual report to shareholders | Mar 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 28, 2025 | — |
| DEF 14A | Proxy statement | Mar 28, 2025 | May 15, 2025 |
| 10-K | Annual report | Feb 19, 2025 | Dec 31, 2024 |
| 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 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 2, 2024 | Jun 30, 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 |
| S-8 | Employee stock plan registration | Jul 12, 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 |
| 424B5 | Prospectus supplement | Jun 14, 2024 | — |
| 424B5 | Prospectus supplement | Jun 12, 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 |
| UPLOAD | Letter from the SEC | Jun 10, 2024 | — |
| 8-K |
Current report
Other events
|
May 30, 2024 | May 30, 2024 |
| CORRESP | Letter to the SEC | May 17, 2024 | — |
| 10-Q | Quarterly report | May 3, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 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 | Jun 18, 2024 |
| UPLOAD | Letter from the SEC | Apr 22, 2024 | — |
| 8-K |
Current report
Other events
|
Apr 15, 2024 | Apr 15, 2024 |
| S-3ASR | Automatic shelf registration | Feb 21, 2024 | — |
| 10-K | Annual report | Feb 21, 2024 | Dec 31, 2023 |
| 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 |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 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 |
| 424B5 | Prospectus supplement | Oct 20, 2023 | — |
| FWP | Free writing prospectus | Oct 19, 2023 | — |
| 424B5 | Prospectus supplement | Oct 17, 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 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 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 |
| S-8 | Employee stock plan registration | Jun 8, 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 |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| DEFA14A | Additional proxy material | Apr 24, 2023 | — |
| DEF 14A | Proxy statement | Apr 24, 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 |
| S-8 | Employee stock plan registration | Feb 17, 2023 | — |
| 10-K | Annual report | Feb 17, 2023 | Dec 31, 2022 |
| 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 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 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 |
| 10-Q | Quarterly report | Jul 29, 2022 | Jun 30, 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 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 24, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 22, 2022 | Apr 18, 2022 |
| S-8 | Employee stock plan registration | Feb 15, 2022 | — |
| 10-K | Annual report | Feb 15, 2022 | Dec 31, 2021 |
| 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 |
| 10-Q | Quarterly report | Nov 3, 2021 | Sep 30, 2021 |
| 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 |
| 10-Q | Quarterly report | Aug 3, 2021 | Jun 30, 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 |
| 424B5 | Prospectus supplement | May 7, 2021 | — |
| 10-Q | Quarterly report | May 5, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 4, 2021 | May 4, 2021 |
| DEFA14A | Additional proxy material | Apr 29, 2021 | — |
| DEF 14A | Proxy statement | Apr 29, 2021 | Jun 24, 2021 |
| 8-K |
Current report
Officer or director change
|
Apr 16, 2021 | Apr 12, 2021 |
| S-3ASR | Automatic shelf registration | Feb 12, 2021 | — |
| S-8 | Employee stock plan registration | Feb 12, 2021 | — |
| 10-K | Annual report | Feb 12, 2021 | Dec 31, 2020 |
| 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 |
| 424B5 | Prospectus supplement | Oct 29, 2020 | — |
| 424B5 | Prospectus supplement | Oct 28, 2020 | — |
| 10-Q | Quarterly report | Oct 27, 2020 | Sep 30, 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 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 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 |
| 10-Q | Quarterly report | May 7, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 26, 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 |
| S-8 | Employee stock plan registration | Feb 14, 2020 | — |
| 10-K | Annual report | Feb 14, 2020 | Dec 31, 2019 |
| 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 |
| SEC STAFF LETTER | Filing | Dec 2, 2019 | — |
| 8-K |
Current report
Officer or director change
|
Nov 25, 2019 | Nov 20, 2019 |
| SEC STAFF LETTER | Filing | Nov 6, 2019 | — |
| 10-Q | Quarterly report | Nov 6, 2019 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 2, 2019 | Jun 30, 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 |
| 10-Q | Quarterly report | May 7, 2019 | Mar 31, 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 |
Showing 200 filings, the most recent 200. 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.