UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No.)
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| Preliminary Proxy Statement |
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| Definitive Proxy Statement |
| Definitive Additional Materials |
| Soliciting Material Pursuant to §240.14a-12 |
ULTRAGENYX PHARMACEUTICAL INC.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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