** Shares of drug developer Altimmune ALT.O fall 8.9% to $3.89
** Co reports Q4 loss of 27 cents/shr vs analysts' average estimate of 24 cents/shr - data compiled by LSEG
** Says Q4 revenue was $26,000 vs estimate of $700,000
** Shares down 50% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))