** U.S.-listed shares of Belgian medical device maker Nyxoah SA NYXH.O plunge 50% to record low $1.44 early Fri as it looks to raise equity

** Co focused on obstructive sleep apnea solutions late Thurs commenced stock offering

** It intends to use net offering proceeds to expand commercialization activities for its Genio system in the U.S., finance R&D and advance commercialization of the system outside of the U.S., among other purposes

** BofA lead bookrunner, joined by Bank Degroof Petercam

** Co had ~43.66 mln shares outstanding as of Mar 31, per the prospectus

** Through Thurs close, NYXH shares had shed 66% YTD