MAIA ▲ +3.6% - MAIA Biotechnology, Inc. $MAIA - MAIA Biotechnology Announces Open Market Purchases of Company Stock by Long-Standing Board Member and CEO MAIA Biotechnology rose 3.6% after announcing that its CEO and a long-standing board member have made open market purchases of company stock, a move that typically signals management confidence in the business outlook. 15-SEP-2026 08:15 AM ET