Huang Jack Jiajia (CIK 2029760) reported 126 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-21). Recent activity: Buy COE (137,500 shares), Buy COE (151,620 shares), Buy COE (35,400 shares), Buy COE (254,820 shares), Buy COE (337,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 137,500 | $0 |
| 2026-08-21 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 151,620 | $3.2M |
| 2026-08-21 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 35,400 | $737,382 |
| 2026-08-13 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 254,820 | $5.0M |
| 2026-08-13 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 337,500 | $6.8M |
| 2026-08-12 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 105,120 | $2.0M |
| 2026-08-12 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 90,480 | $1.8M |
| 2026-08-12 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 199,980 | $3.9M |
| 2026-08-10 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 122,580 | $2.2M |
| 2026-08-10 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 333,840 | $6.2M |
| 2026-08-10 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 125,880 | $2.4M |
| 2026-08-10 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 158,460 | $3.0M |
| 2026-08-05 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 169,980 | $2.9M |
| 2026-08-05 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 109,080 | $1.8M |
| 2026-08-05 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 194,460 | $3.3M |
| 2026-07-30 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 185,880 | $3.0M |
| 2026-07-30 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 451,320 | $7.7M |
| 2026-07-27 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 498,660 | $8.3M |
| 2026-07-27 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 59,940 | $956,043 |
| 2026-07-27 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 123,780 | $2.0M |
| 2026-07-27 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 60,000 | $932,400 |
| 2026-07-27 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 60,000 | $936,000 |
| 2026-07-27 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 301,440 | $4.8M |
| 2026-07-23 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 178,800 | $3.1M |
| 2026-07-23 | 51Talk Online Education Group (COE) | Chief Executive Officer | Buy | 135,540 | $2.3M |
Source: SEC Form 4 filings · as of 2026-08-21