shares of kiromic biopharma are trading lower friday after the company filed a preliminary prospectus for a stock offering the stock is down 12 to 279 in premarket trading at thursdays close shares had fallen threequarters over the past 12 months the clinicalstage biotherapeutics company submitted a registration statement to regulators for the offering of common stock and warrants though it didnt provide further terms of or a timeline for the offering the information in this preliminary prospectus is not complete and may be changed the filing said