ROCKVILLE, Md. and SUZHOU, China, May 12, 2026 (GLOBE NEWSWIRE) -- Ascentage Pharma Group International (NASDAQ: AAPG; HKEX: 6855) (“Ascentage Pharma” or the “Company”), a global, commercial stage, integrated biopharmaceutical company engaged in the discovery, development and commercialization of novel,…