Ultragenyx Pharmaceutical, Inc. Investigated by the Portnoy Law Firm
Ultragenyx Pharmaceutical Inc. (RARE)
Last ultragenyx pharmaceutical inc. earnings: 2/13 04:01 pm
Check Earnings Report
US:NASDAQ Investor Relations:
ir.ultragenyx.com/investor-relations
Company Research
Source: GlobeNewswire
LOS ANGELES, Dec. 30, 2025 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Ultragenyx Pharmaceutical, Inc. (“Ultragenyx" or the "Company") (NASDAQ: RARE) investors that the firm has initiated an investigation into possible securities fraud, and may file a class action on behalf of investors. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 844-767-8529 or email: lesley@portnoylaw.com, to discuss their legal rights, or join the case via https://portnoylaw.com/ultragenyx-pharmaceutical-inc. The Portnoy Law Firm can provide a complimentary case evaluation and discuss investors’ options for pursuing claims to recover their losses. On December 29, 2025, Ultragenyx announced the results from both its Phase III Orbit and Cosmic studies, both focused on the effectiveness of setrusumab (UX143) in Osteogenesis Imperfecta. Both studies failed to achieve their primary endpoint of a reduction in annualized clinical fracture rate compared to placebo (in the Orbit study
Show less
Read more
Impact Snapshot
Event Time:
RARE
Last Price
Price Change
Price Change%
Volume Shares
Max Up
Max Down
%
Volume Ratio
Performance Comparison
Updated
|
Event Day
Stock performance from the time of news release until the following 4pm ET market close
|
Last price at news event
|
Since Event
Multi-day stock performance from the time of the news release
|
|---|---|---|
|
EVENT DAY
Stock performance from the time of news release until the following 4pm ET market close
|
LAST
PRICE AT NEWS EVENT |
SINCE EVENT
Multi-day stock performance from the time of the news release
|
| Last Price | ||
| VWAP | ||
|
High:
|
Max Up |
High:
|
|
Low:
|
Max Down |
Low:
|
|
%
|
Post news range |
%
|
|
|
Price change |
|
|
|
Price Change Percentage |
|
|
|
S&P 500 (SPX) |
|
|
%
|
Volume ratio |
%
|
| Volume | ||
| Ticks | ||
|
|
Avg transaction size |
|
Don't Miss Out On The Next BIG Stock Move
Event day
Event Day Chart will not be displayed beyond 90-day period of the event
Performance since event
Time And Velocity Analysis
Be the first to know
Opt in for alerts from News Quantifed
Sign Up Today
Opt-in for
RARE alerts
Learn More With NQ
Reading the Impact Report
Help Me Understand This Data
Help Me Understand This Data
How NQ Works
What is news-based trading?
And why is it so successful?
And why is it so successful?
Movers & Shakers
The biggest gainers and losers and WHY it moved
RARE alerts
High impacting Ultragenyx Pharmaceutical Inc. news events
Weekly update
A roundup of the hottest topics
RARE
News
- INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Ultragenyx Pharmaceutical Inc. - RAREPR Newswire
- INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Ultragenyx Pharmaceutical Inc. - RAREGlobeNewswire
- Is It Time To Reconsider Ultragenyx Pharmaceutical (RARE) After A 39.1% One Year Decline? [Yahoo! Finance]Yahoo! Finance
- A Look At Ultragenyx Pharmaceutical (RARE) Valuation After Revenue Beat And Gene Therapy Catalysts Update [Yahoo! Finance]Yahoo! Finance
- Morgan Stanley Trims Ultragenyx (RARE) PT to $50 While Betting on 2026 Biotech Recovery [Yahoo! Finance]Yahoo! Finance
RARE
Earnings
- 11/4/25 - Miss
RARE
Sec Filings
- 1/12/26 - Form 8-K
- 1/5/26 - Form 4
- 1/2/26 - Form 144
- RARE's page on the SEC website