Huang Jack Jiajia

Huang Jack Jiajia, Chief Executive Officer of 51Talk Online Education Group (COE), has filed 121 Form 4 transactions in the company, with a total buy value of $225.5 million and zero sell value. The pattern is unambiguous: every open-market trade is a purchase. There are no sales, no gifts, and no acquisitions through compensation. The only non-purchase event in the recent window was one option exercise (code M) on August 18, 2026, with a value of zero, which is a mechanical transaction rather than a cash decision. The buying has been dense and recent. Between July 15 and August 13, 2026, Huang executed 24 open-market purchases (code P). The smallest was $737,382 on August 13, the largest was $8,287,729.2 on July 21. The daily purchase values cluster between $1.5 million and $8 million, and there are multiple days with two separate purchases, such as July 22 ($1,978,004.4 and $956,043) and July 23 ($4,774,809.6 and $932,400). The cadence is nearly daily, with purchases on consecutive trading days throughout late July and early August. Over the full filing history, Huang has never sold a share of COE, and the recent activity continues that direction. The August 2026 trades alone total roughly $28. } million across six trading days. The July 2026 trades total roughly $45 million across about 17 sessions. There is no recent sign of distribution or hedging. The disclosure shows a chief executive repeatedly adding to his own company's stock on the open market, with no corresponding sell-side activity at any point in the record.