Reporting owner · CIK 0002029760
Huang Jack Jiajia
Visual SEC Form 4 history across 1 companies, 4 transactions and 1 filings.
CEOChief Executive Officer51Talk Online Education Group
Open-market mix
100%buys
Open-market buy performance
90-day forward return on this insider's open-market purchases
For every open-market buy (Form 4 code P, acquisition A) in the selected window, we take the closing price on the transaction date and 90 calendar days later, then compute the percentage change. The figures shown are the simple average and median of those per-buy returns.
- Window follows the rest of the summary (all-history or last 3 months).
- Only buys with a resolved price context are counted.
- Includes both positive and negative outcomes; gains and losses net out at the per-buy level.
Monthly open-market activity
Reported purchase and sale transaction counts
Buys Sells
Net value flow
Buys minus sells
Apr 26
$3.2M
Aug 26
$737.4K
Transaction texture
Ownership and ticket size
Average P/S size$2M
Median P/S size$2M
Direct0
Indirect4
Aug 18, 2026exercise
Filing-only signals
Deterministic matches in this insider's history
Latest Form 4 facts
Quick context from source filings
Latest transaction
buy at 51Talk Online Education Group on Aug 13, 2026 valued at $737,382.
Review SEC filingLatest sale
No open-market insider sale is available.
Associated companies
Visual map of known reporting history
| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| COE | Huang Jack Jiajia | CEO | exercise10b5-1 | 137k | $0 | M | −7.4% | 08/21 | 08/18 | |
| COE | Huang Jack Jiajia | CEO | buy10b5-1 | 35.4k | $73.7M | P | −7.4% | 08/21 | 08/13 | |
| COE | Huang Jack Jiajia | CEO | buy10b5-1 | 151k | $319M | P | −7.4% | 08/21 | 04/10 | |
| COE | Huang Jack Jiajia | CEO | exercise10b5-1 | 137k | $0 | M | −7.4% | 08/21 | 08/18 |
Huang Jack Jiajia Insider Activity FAQ
SEC Form 4 context
Who is Huang Jack Jiajia?
Huang Jack Jiajia is a reporting owner in SEC Form 4 filings with reporting owner CIK 0002029760.
Which companies has Huang Jack Jiajia reported transactions for?
51Talk Online Education Group
When was Huang Jack Jiajia's latest insider buy?
buy at 51Talk Online Education Group on Aug 13, 2026 valued at $737,382.
When was Huang Jack Jiajia's latest insider sale?
No open-market insider sale is available for this period.
Where can I see the original SEC filings?
Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.
Are performance metrics included?
This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.