** Shares of drug developer Regenxbio RGNX.O fall 8.32% to $8.38
** Co posts Q4 loss of $1.30 per share, versus loss of $1.01 per share a year ago. Analysts were expecting a loss of 96 cents per share, according to data compiled by LSEG
** Posts Q4 revenue of $30.3 million, below analysts' estimate of $36.6 million
** R&D expenses for the quarter were $59.6 million, due to higher clinical trial expenses and manufacturing-related costs - RGNX
** RGNX shares had risen over 86% in 2025
(Reporting by Kunal Das in Bengaluru)
((Kunal.Das2@thomsonreuters.com;))