Sunlands Technology Group Files its Annual Report on Form 20-F

BEIJING, April 24, 2026 (GLOBE NEWSWIRE) -- Sunlands Technology Group (NYSE: STG) ("Sunlands" or the "Company"), a leader in China's adult online education market and China's adult personal interest learning market, today announced that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2025 with the U.