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Huang Jack Jiajia

SEC Form 4 insider
Chief Executive Officer · 51Talk Online Education Group ($COE)
2 theses · first seen Aug 12, 2026
WindowThesesResolvedWinsWin rateAvg returnMedian return
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Past performance does not predict future results. Informational only, not investment advice.

Thesis history

$COESEC Form 4bullish10b5-1 plan
Huang Jack Jiajia · Chief Executive Officer at 51Talk Online Education Group · 1h ago1 prior · awaiting results
Long 592,320 shares of COE
Bought 592,320 @ $19.93 avg · $11,804,395 · 2026-08-11

Form 4: Huang Jack Jiajia bought COE

Huang Jack Jiajia (Chief Executive Officer at 51Talk Online Education Group) reported an open-market purchase of 592,320 shares of COE at an average $19.93, roughly $11,804,395, in a Form 4 filed 2026-08-13. Transaction was made under a pre-arranged 10b5-1 plan.

Now $20.21as of Aug 12, 4:59 PM ET
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View filing on SEC.gov →
$COESEC Form 4bullish10b5-1 plan
Huang Jack Jiajia · Chief Executive Officer at 51Talk Online Education Group · 25h ago1 prior · awaiting results
Long 395,580 shares of COE
Bought 395,580 @ $19.53 avg · $7,725,778 · 2026-08-06

Form 4: Huang Jack Jiajia bought COE

Huang Jack Jiajia (Chief Executive Officer at 51Talk Online Education Group) reported an open-market purchase of 395,580 shares of COE at an average $19.53, roughly $7,725,778, in a Form 4 filed 2026-08-12. Transaction was made under a pre-arranged 10b5-1 plan.

At post $20.21Now $20.210.0% since postedas of Aug 12, 4:59 PM ET
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6m—
1y—
View filing on SEC.gov →

End of results.