Form 3 Filing for Tongbo Liu - Sunlands Technology Group

This filing reports initial beneficial ownership of securities for Tongbo Liu, identified by CIK 0001767917, with respect to Sunlands Technology Group (STG). Mr. Liu, who is an officer, director, and 10% owner, holds a direct ownership of 513,117 shares of common stock following this transaction. The filing is dated April 1, 2026, with the reporting period also ending on this date. Mr. Liu's address is listed in Beijing, China. The filing document type is Form 3, indicating a statement of initial beneficial ownership.