Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Huang Jack Jiajia
Over the trailing 90 days, Huang Jack Jiajia (Director at 51Talk Online Education Group) traded $127.1M of stock (net buying $126.7M) in COE, per 88 SEC Form 4 transactions.
- Role
- Director
- Companies
- COE
- Window
- Trailing 90 days · 88 transactions · CIK 2029760
- Net activity
- +$126.7M ($126.9M bought · $206K sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| COE | 51Talk Online Education Group | 88 | $126.9M | $206K | $126.7M |
Transactions (88)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-27 | COE | Buy | 451.3K | $7.7M | Open market or private purchase |
| 2026-07-24 | COE | Buy | 185.9K | $3.0M | Open market or private purchase |
| 2026-07-23 | COE | Buy | 60.0K | $932K | Open market or private purchase |
| 2026-07-23 | COE | Buy | 60.0K | $936K | Open market or private purchase |
| 2026-07-23 | COE | Buy | 301.4K | $4.8M | Open market or private purchase |
| 2026-07-22 | COE | Buy | 59.9K | $956K | Open market or private purchase |
| 2026-07-22 | COE | Buy | 123.8K | $2.0M | Open market or private purchase |
| 2026-07-21 | COE | Buy | 498.7K | $8.3M | Open market or private purchase |
| 2026-07-20 | COE | Buy | 112.5K | $1.9M | Open market or private purchase |
| 2026-07-17 | COE | Buy | 83.5K | $1.4M | Open market or private purchase |
| 2026-07-16 | COE | Buy | 111.8K | $1.9M | Open market or private purchase |
| 2026-07-15 | COE | Buy | 135.5K | $2.3M | Open market or private purchase |
| 2026-07-14 | COE | Buy | 178.8K | $3.1M | Open market or private purchase |
| 2026-07-14 | COE | Sell | 12.0K | $206K | Payment of exercise price or tax liability by delivering securities |
| 2026-07-13 | COE | Buy | 213.5K | $3.7M | Open market or private purchase |
| 2026-07-10 | COE | Buy | 72.7K | $0 | Grant, award or other acquisition |
| 2026-07-10 | COE | Buy | 95.0K | $1.6M | Open market or private purchase |
| 2026-07-10 | COE | Buy | 72.7K | $0 | Exercise or conversion of derivative security |
| 2026-07-09 | COE | Buy | 186.8K | $3.2M | Open market or private purchase |
| 2026-07-08 | COE | Buy | 185.9K | $3.1M | Open market or private purchase |
| 2026-07-07 | COE | Buy | 211.3K | $3.5M | Open market or private purchase |
| 2026-07-06 | COE | Buy | 165.4K | $2.7M | Open market or private purchase |
| 2026-07-02 | COE | Buy | 556.0K | $9.3M | Open market or private purchase |
| 2026-07-01 | COE | Buy | 286.8K | $4.8M | Open market or private purchase |
| 2026-06-30 | COE | Buy | 293.5K | $4.7M | Open market or private purchase |
| 2026-06-30 | COE | Buy | 60.0K | $931K | Open market or private purchase |
| 2026-06-30 | COE | Buy | 60 | $957 | Open market or private purchase |
| 2026-06-30 | COE | Buy | 275.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-30 | COE | Sell | 275.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-29 | COE | Buy | 60.0K | $912K | Open market or private purchase |
| 2026-06-29 | COE | Buy | 152.8K | $2.3M | Open market or private purchase |
| 2026-06-29 | COE | Buy | 35.7K | $543K | Open market or private purchase |
| 2026-06-26 | COE | Buy | 60 | $891 | Open market or private purchase |
| 2026-06-26 | COE | Buy | 151.8K | $2.4M | Open market or private purchase |
| 2026-06-25 | COE | Buy | 150.6K | $2.4M | Open market or private purchase |
| 2026-06-24 | COE | Buy | 60.0K | $911K | Open market or private purchase |
| 2026-06-24 | COE | Buy | 58.5K | $866K | Open market or private purchase |
| 2026-06-24 | COE | Buy | 60.0K | $891K | Open market or private purchase |
| 2026-06-24 | COE | Buy | 60.0K | $922K | Open market or private purchase |
| 2026-06-24 | COE | Buy | 60.0K | $924K | Open market or private purchase |
| 2026-06-24 | COE | Buy | 210.0K | $3.2M | Open market or private purchase |
| 2026-06-24 | COE | Buy | 3.7K | $56K | Open market or private purchase |
| 2026-06-23 | COE | Buy | 60.0K | $960K | Open market or private purchase |
| 2026-06-23 | COE | Buy | 13.6K | $211K | Open market or private purchase |
| 2026-06-23 | COE | Buy | 12.0K | $188K | Open market or private purchase |
| 2026-06-23 | COE | Buy | 60.0K | $960K | Open market or private purchase |
| 2026-06-23 | COE | Buy | 30.0K | $480K | Open market or private purchase |
| 2026-06-23 | COE | Buy | 72.8K | $1.2M | Open market or private purchase |
| 2026-06-22 | COE | Buy | 12.0K | $190K | Open market or private purchase |
| 2026-06-22 | COE | Buy | 58.1K | $931K | Open market or private purchase |
| 2026-06-22 | COE | Buy | 4.4K | $68K | Open market or private purchase |
| 2026-06-18 | COE | Buy | 6.0K | $99K | Open market or private purchase |
| 2026-06-18 | COE | Buy | 6.0K | $99K | Open market or private purchase |
| 2026-06-18 | COE | Buy | 85.9K | $1.5M | Open market or private purchase |
| 2026-06-17 | COE | Buy | 40.0K | $687K | Open market or private purchase |
| 2026-06-16 | COE | Buy | 51.6K | $975K | Open market or private purchase |
| 2026-06-15 | COE | Buy | 20.6K | $405K | Open market or private purchase |
| 2026-06-12 | COE | Buy | 89.2K | $1.8M | Open market or private purchase |
| 2026-06-11 | COE | Buy | 29.7K | $656K | Open market or private purchase |
| 2026-06-10 | COE | Buy | 17.6K | $401K | Open market or private purchase |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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