Huang Jack Jiajia — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Huang Jack Jiajia has filed 13 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $137.43M. Historical track record: 5/5 stars across 10 tracked purchases.

Profile

Huang Jack Jiajia

Huang Jack Jiajia is the Chief Executive Officer of 51Talk Online Education Group, a company that specializes in online English language education. Under his leadership, 51Talk has expanded its reach in the online education sector, particularly in China, where it has become a prominent player in providing English language learning services. Huang has been instrumental in developing innovative educational technologies and strategies to enhance the learning experience for students.

RoleChief Executive Officer, Director, 10% Owner
Notability65/100

Board memberships

Awards & honors

Track Record

InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.

InsiderAlpha rating★★★★★ (5/5)
Total purchases tracked10
Purchases with forward-return data10
30-day win rate10000%
90-day win rate0%
Avg 5-day return+774.35%
Avg 30-day return+2940.26%
Avg 90-day return-2417.71%
Best 30-day return+4731.58%

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-13COE51Talk Online Education GroupP — Open-market purchase [10b5-1]185.9K$16.45$3.06M
2026-07-13COE51Talk Online Education GroupP — Open-market purchase [10b5-1]211.3K$16.72$3.53M
2026-07-13COE51Talk Online Education GroupP — Open-market purchase [10b5-1]165.4K$16.46$2.72M
2026-07-08COE51Talk Online Education GroupP — Open-market purchase556.0K$16.78$9.33M
2026-07-08COE51Talk Online Education GroupP — Open-market purchase286.8K$16.57$4.75M
2026-07-08COE51Talk Online Education GroupP — Open-market purchase60$15.95$957
2026-07-08COE51Talk Online Education GroupP — Open-market purchase60.0K$15.52$931K
2026-07-08COE51Talk Online Education GroupP — Open-market purchase293.5K$15.98$4.69M
2026-07-08COE51Talk Online Education GroupP — Open-market purchase35.7K$15.21$543K
2026-07-08COE51Talk Online Education GroupP — Open-market purchase60.0K$15.20$912K
2026-07-08COE51Talk Online Education GroupP — Open-market purchase152.8K$15.23$2.33M
2026-06-30COE51Talk Online Education GroupP — Open-market purchase151.8K$15.61$2.37M
2026-06-30COE51Talk Online Education GroupP — Open-market purchase60$14.85$891
2026-06-30COE51Talk Online Education GroupP — Open-market purchase150.6K$15.76$2.37M
2026-06-30COE51Talk Online Education GroupP — Open-market purchase60.0K$15.36$922K
2026-06-30COE51Talk Online Education GroupP — Open-market purchase60.0K$15.40$924K
2026-06-30COE51Talk Online Education GroupP — Open-market purchase60.0K$15.19$911K
2026-06-30COE51Talk Online Education GroupP — Open-market purchase58.5K$14.81$866K
2026-06-30COE51Talk Online Education GroupP — Open-market purchase60.0K$14.85$891K
2026-06-30COE51Talk Online Education GroupP — Open-market purchase210.0K$15.46$3.25M

Companies — Last 90 Days

Frequently Asked Questions

Who is Huang Jack Jiajia?

Huang Jack Jiajia is the Chief Executive Officer of 51Talk Online Education Group, a company that specializes in online English language education. Under his leadership, 51Talk has expanded its reach in the online education sector, particularly in China, where it has become a prominent player in providing English language learning services. Huang has been instrumental in develo…

How many SEC Form 4 filings has Huang Jack Jiajia submitted recently?

13 primary Form 4 filings in the last 90 days, covering 1 company.

Has Huang Jack Jiajia been buying or selling stock?

Recorded transactions: 90 open-market purchases ($137.43M) and 0 open-market sales () across all tracked filings.

How accurate is Huang Jack Jiajia's historical track record?

Across 10 tracked purchases, Huang Jack Jiajia averaged +2940.3% avg 30-day return with a 10000% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.

Where can I see all of Huang Jack Jiajia's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Huang Jack Jiajia profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.