The US market for initial public offerings may be transitioning to a less hospitable environment for biopharmaceutical firms, which have dominated the IPO market in recent years. Five drug developers went public in late October and early November, but Inhibrx Inc. withdrew its IPO plans and Monopar Therapeutics LLC postponed its offering, while a few other companies had to lower their expectations.
RAPT Therapeutics Inc. and Oyster Point Pharma Inc. went public on 30 and 31 October, respectively, while