Form 8-K












Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): April 8, 2015



Ultragenyx Pharmaceutical Inc.

(Exact name of registrant as specified in its charter)




Delaware   001-36276   27-2546083
(State or other jurisdiction
of incorporation)
File Number)
  (I.R.S. Employer
Identification No.)
60 Leveroni Court, Novato, California   94949
(Address of principal executive offices)   (Zip Code)

Registrant’s telephone number, including area code: (415) 483-8800

Not Applicable

Former name or former address, if changed since last report



Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))




Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 13, 2015, Ultragenyx Pharmaceutical Inc. (the “Company”) announced that Daniel G. Welch was appointed a Class I director effective April 8, 2015, to serve until the expiration of his term at the 2017 annual meeting of stockholders. Concurrent with Mr. Welch’s appointment, the size of the Board was fixed at seven directors, consisting of two Class I directors, three Class II directors and two Class III directors.

Mr. Welch is currently an Executive Partner at Sofinnova Ventures. Prior to Sofinnova, Mr. Welch served as Chairman, Chief Executive Officer and President of InterMune from May 2008 to October 2014 and served as President and Chief Executive Officer of the Company and a member of the Board from September 2003 to May 2008. From August 2002 to January 2003, Mr. Welch served as Chairman and Chief Executive Officer of Triangle Pharmaceuticals, Inc., a pharmaceutical company. From October 2000 to June 2002, Mr. Welch served as president of the pharmaceutical division of Elan Corporation, PLC. Mr. Welch currently serves on the boards of directors of Seattle Genetics and Hyperion Therapeutics. Mr. Welch holds a B.S. from the University of Miami and an M.B.A. from the University of North Carolina.

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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


Date: April 13, 2015 Ultragenyx Pharmaceutical Inc.

/s/ Shalini Sharp

Shalini Sharp
Senior Vice President, Chief Financial Officer


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