Ultragenyx Pharmaceutical Inc.

Ultragenyx Pharmaceutical Inc.

RARE·NASDAQ

$22.41

-1.9%
HealthcareBiotechnology

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, Europe, and internationally. 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 treating long-chain fatty acid oxidation disorders; and Evkeeza (evinacumab) for the treatment of homozygous familial hypercholesterolemia. The company's products candidatures include 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; UX143, a human monoclonal antibody for the treatment of osteogenesis imperfecta; GTX-102, an antisense oligonucleotide for the treatment of Angelman syndrome; UX701, for the treatment of Wilson disease; and UX053 for the treatment of glycogen storage disease type III. Ultragenyx Pharmaceutical Inc. has collaboration and license agreement with Kyowa Kirin Co., Ltd.; Saint Louis University; Baylor Research Institute; REGENXBIO Inc.; Bayer Healthcare LLC; GeneTx; Mereo; University of Pennsylvania; Arcturus Therapeutics Holdings Inc., Solid Biosciences Inc.; and Daiichi Sankyo Co., Ltd. Ultragenyx Pharmaceutical Inc. was incorporated in 2010 and is headquartered in Novato, California.

At a Glance

Live Snapshot
Market Cap$2.21B
EPS-5.8300
P/E Ratio-3.84
Earnings Date08/04/2026
-43.53%
Return on Invested Capital
-5%
3Y-13.0%
5Y+108.0%
10Y-16.0%
718.75%
Return on Equity
-422%
3Y-458.0%
5Y-4547.0%
10Y-1486.0%
-37.53%
Return on Assets
-1%
3Y-18.0%
5Y+254.0%
10Y-17.0%
Ultragenyx Pharmaceutical Inc.

Ultragenyx Pharmaceutical Inc. Management Team

RARE · NASDAQ
MT

Mr. Thomas R. Kassberg

Chief Business Officer & Executive Vice President

Compensation

$714,838

Born 1960(Age 66)
male
ME

Mr. Ernie W. Meyer

Chief Human Resources Officer & Executive Vice President

Born 1965(Age 61)
male
MK

Ms. Karah Herdman Parschauer J.D.

Chief Legal Officer & Executive Vice President of Corporate Affairs

Compensation

$846,744

Born 1978(Age 48)
female
DE

Dr. Eric Crombez M.D.

Chief Medical Officer & Executive Vice President

Compensation

$987,676

Born 1973(Age 53)
MJ

Mr. John Richard Pinion II

Chief Quality Operations Officer & Executive Vice President of Translational Sciences

Compensation

$923,934

Born 1966(Age 60)
male
MD

Mr. Dennis Karl Huang

Chief Technical Operations Officer and Executive Vice President of Gene Therapy Operations

Compensation

$331,330

Born 1965(Age 61)
male
ME

Mr. Erik Harris M.B.A.

Executive Vice President & Chief Commercial Officer

Compensation

$985,266

Born 1970(Age 56)
male
MH

Mr. Howard Horn

Executive Vice President of Corporate Strategy & Chief Financial Officer

Compensation

$947,770

Born 1979(Age 47)
male
DE

Dr. Emil D. Kakkis M.D., Ph.D.

Founder, President, Chief Executive Officer & Director

Compensation

$1,627,576

Born 1960(Age 66)
MV

Mr. Vimal Srivastava

Senior Vice President of Business Development & Alliance Management

Born 1965(Age 61)
male
MT

Mr. Theodore A. Huizenga

Senior Vice President, Corporate Controller & Principal Accounting Officer

Born 1971(Age 55)
male
rare

Ultragenyx Pharmaceutical Inc. Insider Positioning

RARE · NASDAQ

During the last 12 months, insiders have sold $3.42M worth of RARE shares, with no buying activity reported.

3 Months

Bought

0

0.00

Sold

29.6K

686.49K

Net Activity

-686K

-$686K

3-6 Months

Bought

0

0.00

Sold

99.4K

2.31M

Net Activity

-2.3M

-$2.31M

6-9 Months

Bought

0

0.00

Sold

10.5K

328.48K

Net Activity

-328K

-$328K

9-12 Months

Bought

0

0.00

Sold

2.5K

92.56K

Net Activity

-93K

-$93K

Top Buyers

No buying activity

Top Sellers

1
KED

Kakkis Emil D

Director, Officer: President & Ceo

54.4K shares1 transactions

$1.24M

2
HH

Horn Howard

Officer: Chief Financial Officer

36.5K shares8 transactions

$952K

3
PKH

Parschauer Karah Herdman

Officer: Evp And Chief Legal Officer

20.1K shares4 transactions

$470K

4
HE

Harris Erik

Officer: Evp & Chief Commercial Officer

10.5K shares1 transactions

$240K

5
PJR

Pinion John Richard

Officer: See Remarks

10.0K shares1 transactions

$229K

Insider Activity Analysis

Net Insider Sentiment

Bearish

Strong bearish signal with $3.42M net selling. Heavy insider selling may indicate concerns about valuation or near-term prospects.

Buy/Sell Ratio

0.00:1

Very poor ratio. Heavy selling with minimal buying suggests insiders may be concerned about valuation or outlook.

Recent Trend (3 Months)

$686K

Heavy recent selling activity. Recent insider sales notably exceed purchases—may warrant investigation into company developments.

Insider Participation

High Selling

5 insider sellers vs. 0 buyers. Widespread selling across multiple insiders may signal concerns.

Insider Activity Insight

Multiple red flags: Heavy selling, numerous sellers, and continued recent selling create a concerning pattern. Investigate fundamental drivers and consider whether company guidance or industry conditions have deteriorated.

SEC Filings

RARE - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2026

N/A

March 27, 2026
May 14, 2026
2026
DEF 14A

DEF 14A 2025

N/A

March 28, 2025
May 15, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 26, 2024
June 18, 2024
2024
DEF 14A

DEF 14A

N/A

April 24, 2023
April 24, 2023
 
DEF 14A

DEF 14A 2022

N/A

April 28, 2022
June 24, 2022
2022
DEF 14A

DEF 14A 2021

N/A

April 29, 2021
June 24, 2021
2021
DEF 14A

DEF 14A 2020

N/A

April 29, 2020
June 26, 2020
2020
DEF 14A

DEF 14A 2019

N/A

April 22, 2019
June 11, 2019
2019
DEF 14A

DEF 14A 2018

N/A

April 27, 2018
June 19, 2018
2018
DEF 14A

DEF 14A 2017

N/A

April 28, 2017
June 22, 2017
2017
Showing 1 to 10 of 13 filings