| Filed On | Filing |
|---|---|
| 30 Apr 2026 | DEFA14A |
| 27 Mar 2026 | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS |
| 28 Mar 2025 | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS |
| 26 Apr 2024 | ULTRAGENYX PHARMACEUTICAL INC. - DEFA14A |
| 24 Apr 2023 | ULTRAGENYX PHARMACEUTICAL INC. - DEFA14A |
| 28 Apr 2022 | ULTRAGENYX PHARMACEUTICAL INC. - DEFA14A |
| 29 Apr 2021 | ULTRAGENYX PHARMACEUTICAL INC. - DEFA14A |
| 29 Apr 2020 | DEFA14A |
| 22 Apr 2019 | DEFA14A |
| 27 Apr 2018 | DEFA14A |
| 28 Apr 2017 | DEFA14A |
| 18 Apr 2016 | DEFA14A |
| 28 Apr 2015 | DEFA14A |
| 23 May 2014 | DEFINITIVE ADDITIONAL MATERIALS |
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