51Talk CEO Jack Jiajia Huang acquires USD 3.93 million in Class A ordinary shares

• China Online Education Group CEO Jack Jiajia Huang reported an increase in indirect holdings through Dasheng Global Limited.
• Dasheng Global added 137,500 Class A ordinary shares at USD 0, lifting its stake to 42,388,800 shares.
• Huang also reported indirect open-market purchases via HH Talent Limited totaling 187,020 Class A ordinary shares at about USD 20.83–21.07.
• HH Talent’s post-transaction holding stood at 35,615,160 Class A ordinary shares.
• Huang reported 825,000 RSUs remaining outstanding following the vesting reflected in the filing.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. China Online Education Group published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0002029760-26-000009), on August 21, 2026, and is solely responsible for the information contained therein.