51Talk CEO Jack Jiajia Huang's Insider Stock Purchases Under Rule 10b5-1 Plan

This SEC Form 4 filing discloses significant stock purchases by 51Talk Online Education Group's CEO Jack Jiajia Huang through a Rule 10b5-1 trading plan. Between May 6-8, 2026, Huang acquired 119,400 Class A ordinary shares (represented as ADS) through HH Talent Limited, a company he controls. The purchases were executed at weighted average prices ranging from $23.49 to $27.16 per ADS. Huang's total beneficial ownership now includes 7,297,560 shares held directly, 43,290 shares held indirectly by his spouse, and 41,838,800 shares held through Dasheng Global Limited. The transactions were conducted under a pre-established Rule 10b5-1 plan adopted on December 25, 2025, which provides an affirmative defense against insider trading allegations. The filing demonstrates Huang's continued investment in the company he leads.