← Insider buys

RARE

Ultragenyx Pharmaceutical Inc. · Healthcare

Insiders sold $3.7M of Ultragenyx Pharmaceutical Inc. in the last 12 months and bought none

$0Bought, 12 mo
$3.7MSold, 12 mo
$1.6BMarket cap

RARE over the last year

No insider buys filed in this year

RARE after insider buys

3 months after each buy, from the first price a copier could get.

No buys have 3 months of prices yet. A record shows here at 3.

Congress

Members reported 5 trades in RARE since 2025.

Every filing

169 insider filings since 2016, newest first

RARESell

Theodore Alan Huizenga · SVP and Chief Accounting Officer

$89K−11.0%Dec 22
RARESell

Mardi Dier · CFO and EVP

$65K−2.0%Oct 17
RARESell

Mardi Dier · CFO and EVP

$133K−5.0%Oct 14
RARESell

Thomas Richard Kassberg · CBO, EVP

$689K−4.0%Mar 15
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$324K−13.0%Mar 8
RARESell

Erik Harris · EVP and Chief Commercial Officer

$181K−7.0%Mar 3
RARESell

John Richard Pinion · Insider

$300K−7.0%Mar 3
RARESell

Theodore Alan Huizenga · SVP and Chief Accounting Officer

$56K−5.0%Mar 3
RARESell

Dennis Karl Huang · Insider

$215K−6.0%Mar 3
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$192K−7.0%Mar 3
RARESell

Mardi Dier · CFO and EVP

$63K−2.0%Mar 3
RARESell

Thomas Richard Kassberg · CBO, EVP

$158K−1.0%Mar 3
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$188K−6.0%Mar 3
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$110K−4.0%Feb 1
RARESell

Dennis Karl Huang · EVP and Chief Tech Ops Officer

$29K−1.0%Oct 18
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$25K−1.0%Oct 18
RARESell

John Richard Pinion · Insider

$29K−1.0%Oct 18
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$29K−1.0%Oct 18
RARESell

Mardi Dier · CFO and EVP

$553K−15.0%Oct 14
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$738K−20.0%Sep 9
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$501K−11.0%Sep 2
RARESell

Erik Harris · EVP and Chief Commercial Officer

$34K−1.0%Jul 8
RARESell

Erik Harris · EVP and Chief Commercial Officer

$96K−4.0%Jun 23
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$133K−4.0%Jun 11
RARESell

Dennis Karl Huang · EVP and Chief Tech Ops Officer

$41K−1.0%May 10
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$36K−1.0%May 10
RARESell

John Richard Pinion · Insider

$41K−1.0%May 10
RARESell

Erik Harris · EVP and Chief Commercial Officer

$80K−3.0%May 10
RARESell

Thomas Richard Kassberg · CBO, EVP

$41KMay 10
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$41K−1.0%May 10
RARESell

Emil D Kakkis · President and CEO

$3.2M−1.0%May 5
RARESell

Erik Harris · EVP and Chief Commercial Officer

$41K−1.0%Apr 21
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$545K−11.0%Apr 19
RARESell

Theodore Alan Huizenga · SVP, Controller, PAO

$362K−18.0%Mar 9
RARESell

John Richard Pinion · Insider

$856K−11.0%Mar 3
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$549K−12.0%Mar 3
RARESell

Theodore Alan Huizenga · SVP, Controller, PAO

$101K−4.0%Mar 3
RARESell

Erik Harris · EVP and Chief Commercial Officer

$439K−10.0%Mar 3
RARESell

Dennis Karl Huang · EVP and Chief Tech Ops Officer

$588K−9.0%Mar 3
RARESell

Emil D Kakkis · President and CEO

$4.3M−1.0%Mar 3
RARESell

Thomas Richard Kassberg · CBO, EVP

$632K−4.0%Mar 3
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$628K−10.0%Mar 3
RARESell

William Aliski · Director

$1.1M−5.0%Feb 23
RARESell

Erik Harris · EVP and Chief Commercial Officer

$188K−11.0%Feb 3
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$315K−6.0%Feb 2
RARESell

Camille L Bedrosian · EVP and Chief Medical Officer

$3.5M−41.0%Jan 19
RARESell

Theodore Alan Huizenga · SVP, Controller, PAO

$563K−20.0%Jan 8
RARESell

Emil D Kakkis · President and CEO

$4.1M−1.0%Jan 5
RARESell

Emil D Kakkis · President and CEO

$2.9M−1.0%Nov 4
RARESell

Karah Herdman Parschauer · EVP and General Counsel

$991K−29.0%Nov 2
About Ultragenyx Pharmaceutical Inc.

Ultragenyx Pharmaceutical Inc., a biopharmaceutical company, focuses on the identification, acquisition, development, and commercialization of novel products for the treatment of rare and ultra-rare genetic diseases in North America, Latin America, Europe, the Middle East, Africa, and the Asia-Pacific. Its biologic products include Crysvita (burosumab), an antibody targeting fibroblast growth factor 23 for the treatment of X-linked hypophosphatemia, as well as tumor-induced osteomalacia; Mepsevii, an enzyme replacement therapy for the treatment of children and adults with Mucopolysaccharidosis VII; Dojolvi for the treatment of long-chain fatty acid oxidation disorders; and Evkeeza (evinacumab) for the treatment of homozygous familial hypercholesterolemia. The company's products candidates that are in Phase 3 clinical trials include UX143, a human monoclonal antibody for the treatment of osteogenesis imperfecta; UX111, an AAV9 gene therapy product candidate for the treatment of patients with Sanfilippo syndrome type A, or MPS IIIA, a rare lysosomal storage disease; DTX401, an adeno-associated virus 8 (AAV8) gene therapy clinical candidate for the treatment of patients with glycogen storage disease type Ia; DTX301, an AAV8 gene therapy for the treatment of patients with ornithine transcarbamylase; and GTX-102, an antisense oligonucleotide for the treatment of Angelman syndrome. It also develops UX701, an adeno-associated AAV9 gene therapy which is in Phase 2 clinical trial for the treatment of Wilson liver disease. The company has collaboration and license agreement with Kyowa Kirin Co., Ltd.; Saint Louis University; Baylor Research Institute; REGENXBIO Inc.; GeneTx; Mereo; University of Pennsylvania; Regeneron; and Abeona. Ultragenyx Pharmaceutical Inc. was incorporated in 2010 and is headquartered in Novato, California.

Filings come from SEC EDGAR and prices from daily closes. Not investment advice.