** Biotech firm Ocugen's OCGN.O shares plunge 19% to $1.50
** Announces pricing of $115 million worth of convertible bonds due 2034 in a private offering to institutional buyers
** Proceeds to be used to repay debt and for other purposes
** Separately, OCGN reported Q1 net loss of $19.2 million vs net loss of $15.4 million a year earlier
** OCGN has 338.5 million outstanding shares, according to LSEG data
** All seven brokerages covering the stock rate "buy" or higher; median PT $10 - data compiled by LSEG
** As of last close, OCGN stock up 37% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))