Ultragenyx Pharmaceutical shares rise 1.43% after-hours following a class action investigation announcement.
ByAinvest
Wednesday, Sep 3, 2025 6:32 pm ET1min read
RARE--
Ultragenyx Pharmaceutical Inc. rose 1.43% in after-hours trading, following the announcement of a press release by the company and its development partner Mereo BioPharma Group plc. The press release stated that the randomized, placebo-controlled Phase 3 portion of the Orbit study evaluating UX143 (setrusumab) had been completed.
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