XBIO ▲ +1.2% - Xenetic Biosciences, Inc. $XBIO - Xenetic Biosciences and Santersus AG Announce Definitive Share Exchange Agreement to Create Global Leader in NET-Targeting Therapeutics Xenetic Biosciences announced a definitive share exchange agreement with Santersus AG that will combine the two companies to create a global leader in neuroendocrine tumor (NET)-targeting therapeutics. The merger announcement drove XBIO up 1.2% as investors responded positively to the strategic combination and expanded pipeline in the specialized oncology space. 16-SEP-2026 07:00 AM ET