Ultragenyx Pharmaceutical Inc. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| ARS | ANNUAL REPORT TO SECURITY HOLDERS | 0001308179-26-000177 | Mar 27, 2026 | Dec 31, 2025 |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001308179-26-000175 | Mar 27, 2026 | — |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001308179-26-000174 | Mar 27, 2026 | May 14, 2026 |
| SCHEDULE 13G/A | — | 0000102909-26-002574 | Mar 27, 2026 | — |
| 8-K | 8-K | 0001193125-26-103167 | Mar 12, 2026 | — |
| 4 | 4 | 0001193125-26-100309 | Mar 10, 2026 | Mar 6, 2026 |
| 144 | — | 0001950047-26-002450 | Mar 10, 2026 | — |
| 144 | — | 0001950047-26-002334 | Mar 6, 2026 | — |
| 4 | 4 | 0001193125-26-089287 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-089282 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-089278 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-089111 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-089109 | Mar 3, 2026 | Mar 2, 2026 |
| 4 | 4 | 0001193125-26-089107 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-089104 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | 4 | 0001193125-26-089102 | Mar 3, 2026 | Mar 1, 2026 |
| 144 | — | 0001950047-26-002108 | Mar 3, 2026 | — |
| 144 | — | 0001950047-26-002038 | Mar 2, 2026 | — |
| 8-K | 8-K | 0001193125-26-062568 | Feb 23, 2026 | — |
| 10-K | 10-K | 0001193125-26-057329 | Feb 18, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001193125-26-048738 | Feb 12, 2026 | — |
| SCHEDULE 13G/A | — | 0000315066-26-000545 | Feb 5, 2026 | — |
| 4 | 4 | 0001193125-26-034832 | Feb 3, 2026 | Feb 2, 2026 |
| 8-K | 8-K | 0001193125-26-034474 | Feb 3, 2026 | — |
| 144 | — | 0001950047-26-000800 | Feb 2, 2026 | — |
| 8-K | 8-K | 0001193125-26-030590 | Jan 30, 2026 | — |
| 8-K | 8-K | 0001193125-26-009791 | Jan 12, 2026 | — |
| 4 | 4 | 0001193125-26-002410 | Jan 5, 2026 | Jan 2, 2026 |
| 144 | — | 0001950047-26-000020 | Jan 2, 2026 | — |
| 8-K | 8-K | 0001193125-25-337099 | Dec 30, 2025 | — |
| 4 | 4 | 0001193125-25-336619 | Dec 30, 2025 | Dec 29, 2025 |
| 8-K | 8-K | 0001193125-25-332422 | Dec 29, 2025 | — |
| 4 | 4 | 0001193125-25-315460 | Dec 11, 2025 | Dec 10, 2025 |
| 144 | — | 0001950047-25-010053 | Dec 10, 2025 | — |
| SCHEDULE 13G | — | 0000315066-25-002839 | Nov 5, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-265126 | Nov 5, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-264707 | Nov 4, 2025 | Nov 3, 2025 |
| 8-K | 8-K | 0001193125-25-257538 | Oct 30, 2025 | — |
| 4 | 4 | 0001193125-25-238708 | Oct 14, 2025 | Oct 13, 2025 |
| 4 | 4 | 0001193125-25-209387 | Sep 19, 2025 | Sep 18, 2025 |
| 144 | — | 0001950047-25-007039 | Sep 12, 2025 | — |
| 4 | 4 | 0001677455-25-000005 | Sep 12, 2025 | — |
| 8-K | 8-K | 0000950170-25-113553 | Sep 8, 2025 | — |
| 4 | 4 | 0000950170-25-113446 | Sep 8, 2025 | Sep 5, 2025 |
| 8-K | 8-K | 0000950170-25-109570 | Aug 18, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-103290 | Aug 6, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0000950170-25-103026 | Aug 5, 2025 | — |
| 8-K | 8-K | 0000950170-25-100918 | Jul 31, 2025 | — |
| S-8 | S-8 | 0000950170-25-096912 | Jul 18, 2025 | — |
| 8-K | 8-K | 0000950170-25-095334 | Jul 11, 2025 | — |