Huang Jack Jiajia insider trades
Huang Jack Jiajia has filed 24 Form 4s with the SEC that we hold, all for 51Talk Online Education Group (COE), as Chief Executive Officer, Director, 10% owner. Across all of them we count 115 purchases worth $231.5M and 0 sales worth $0 reported on Form 4. In the last 12 months: 115 purchases ($231.5M) and 0 sales ($0). The largest single trade was a purchase of 1,227,600 shares of 51Talk Online Education Group worth $14.1M, dated 2026-09-25. The first filing on our record is dated 2026-04-13 and the latest 2026-10-08.
51Talk Online Education Group (COE)
Chief Executive Officer, Director, 10% owner · 24 filings · 115 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-03-26 | P, purchase reported on Form 4 | 88,560 | $1.6M | 2026-04-13 |
| 2026-03-27 | P, purchase reported on Form 4 | 301,620 | $5.8M | 2026-04-13 |
| 2026-03-30 | P, purchase reported on Form 4 | 337,740 | $6.2M | 2026-04-13 |
| 2026-03-31 | P, purchase reported on Form 4 | 195,060 | $3.7M | 2026-04-13 |
| 2026-04-01 | P, purchase reported on Form 4 | 309,660 | $6.7M | 2026-04-13 |
| 2026-04-02 | P, purchase reported on Form 4 | 170,520 | $3.8M | 2026-04-13 |
| 2026-04-06 | P, purchase reported on Form 4 | 117,660 | $2.7M | 2026-04-13 |
| 2026-04-07 | P, purchase reported on Form 4 | 20,280 | $431.6K | 2026-04-13 |
| 2026-04-08 | P, purchase reported on Form 4 | 39,720 | $861.9K | 2026-04-13 |
| 2026-04-09 | P, purchase reported on Form 4 | 159,420 | $3.5M | 2026-04-13 |
| 2026-04-10 | P, purchase reported on Form 4 | 151,620 | $3.2M | 2026-08-21 |
| 2026-04-13 | P, purchase reported on Form 4 | 72,720 | $1.6M | 2026-04-22 |
| 2026-04-14 | P, purchase reported on Form 4 | 61,200 | $1.5M | 2026-04-22 |
| 2026-04-15 | P, purchase reported on Form 4 | 166,560 | $4.3M | 2026-04-22 |
| 2026-04-16 | P, purchase reported on Form 4 | 60,420 | $1.6M | 2026-04-22 |
| 2026-04-17 | P, purchase reported on Form 4 | 24,060 | $613.8K | 2026-04-22 |
| 2026-04-20 | P, purchase reported on Form 4 | 21,480 | $506.7K | 2026-04-27 |
| 2026-04-21 | P, purchase reported on Form 4 | 39,180 | $954.8K | 2026-04-27 |
| 2026-04-22 | P, purchase reported on Form 4 | 12,000 | $286.8K | 2026-04-27 |
| 2026-04-23 | P, purchase reported on Form 4 | 73,740 | $1.9M | 2026-04-27 |
| 2026-04-24 | P, purchase reported on Form 4 | 39,720 | $1.0M | 2026-05-08 |
| 2026-04-27 | P, purchase reported on Form 4 | 161,280 | $4.2M | 2026-05-08 |
| 2026-04-28 | P, purchase reported on Form 4 | 64,500 | $1.7M | 2026-05-08 |
| 2026-04-29 | P, purchase reported on Form 4 | 9,300 | $259.2K | 2026-05-08 |
| 2026-04-30 | P, purchase reported on Form 4 | 24,180 | $685.7K | 2026-05-08 |
| 2026-05-01 | P, purchase reported on Form 4 | 52,560 | $1.5M | 2026-05-08 |
| 2026-05-04 | P, purchase reported on Form 4 | 83,580 | $2.4M | 2026-05-08 |
| 2026-05-05 | P, purchase reported on Form 4 | 11,580 | $324.9K | 2026-05-08 |
| 2026-05-06 | P, purchase reported on Form 4 | 22,140 | $601.3K | 2026-05-13 |
| 2026-05-07 | P, purchase reported on Form 4 | 24,180 | $604.7K | 2026-05-13 |
| 2026-05-08 | P, purchase reported on Form 4 | 73,080 | $1.7M | 2026-05-13 |
| 2026-05-11 | P, purchase reported on Form 4 | 6,000 | $158.5K | 2026-05-19 |
| 2026-05-12 | P, purchase reported on Form 4 | 28,560 | $728.3K | 2026-05-19 |
| 2026-05-13 | P, purchase reported on Form 4 | 19,620 | $496.8K | 2026-05-19 |
| 2026-05-14 | P, purchase reported on Form 4 | 30,000 | $756.6K | 2026-05-19 |
| 2026-05-15 | P, purchase reported on Form 4 | 47,280 | $1.2M | 2026-05-26 |
| 2026-05-18 | P, purchase reported on Form 4 | 22,440 | $628.3K | 2026-05-26 |
| 2026-05-19 | P, purchase reported on Form 4 | 11,340 | $304.7K | 2026-05-26 |
| 2026-05-20 | P, purchase reported on Form 4 | 45,600 | $1.2M | 2026-05-26 |
| 2026-05-21 | P, purchase reported on Form 4 | 28,560 | $770.3K | 2026-05-26 |
| 2026-05-22 | P, purchase reported on Form 4 | 74,280 | $2.0M | 2026-06-01 |
| 2026-05-26 | P, purchase reported on Form 4 | 37,500 | $985.5K | 2026-06-01 |
| 2026-05-27 | P, purchase reported on Form 4 | 45,840 | $1.2M | 2026-06-01 |
| 2026-05-28 | P, purchase reported on Form 4 | 25,380 | $664.7K | 2026-06-01 |
| 2026-05-29 | P, purchase reported on Form 4 | 21,240 | $546.7K | 2026-06-10 |
| 2026-06-01 | P, purchase reported on Form 4 | 48,300 | $1.2M | 2026-06-10 |
| 2026-06-02 | P, purchase reported on Form 4 | 56,700 | $1.4M | 2026-06-10 |
| 2026-06-03 | P, purchase reported on Form 4 | 8,880 | $218.5K | 2026-06-10 |
| 2026-06-04 | P, purchase reported on Form 4 | 15,420 | $363.8K | 2026-06-10 |
| 2026-06-05 | P, purchase reported on Form 4 | 14,700 | $334.3K | 2026-06-10 |
| 2026-06-08 | P, purchase reported on Form 4 | 23,340 | $521.4K | 2026-06-18 |
| 2026-06-09 | P, purchase reported on Form 4 | 35,880 | $785.4K | 2026-06-18 |
| 2026-06-10 | P, purchase reported on Form 4 | 17,580 | $401.2K | 2026-06-18 |
| 2026-06-11 | P, purchase reported on Form 4 | 29,700 | $656.4K | 2026-06-18 |
| 2026-06-12 | P, purchase reported on Form 4 | 89,160 | $1.8M | 2026-06-18 |
| 2026-06-15 | P, purchase reported on Form 4 | 20,640 | $405.2K | 2026-06-18 |
| 2026-06-16 | P, purchase reported on Form 4 | 51,600 | $974.7K | 2026-06-26 |
| 2026-06-17 | P, purchase reported on Form 4 | 39,960 | $687.3K | 2026-06-26 |
| 2026-06-18 | P, purchase reported on Form 4 | 6,000 | $99.0K | 2026-06-26 |
| 2026-06-18 | P, purchase reported on Form 4 | 85,860 | $1.5M | 2026-06-26 |
| 2026-06-22 | P, purchase reported on Form 4 | 4,380 | $67.9K | 2026-06-26 |
| 2026-06-22 | P, purchase reported on Form 4 | 12,000 | $190.3K | 2026-06-26 |
| 2026-06-22 | P, purchase reported on Form 4 | 58,140 | $931.4K | 2026-06-26 |
| 2026-06-23 | P, purchase reported on Form 4 | 72,780 | $1.2M | 2026-06-30 |
| 2026-06-23 | P, purchase reported on Form 4 | 60,000 | $960.0K | 2026-06-30 |
| 2026-06-23 | P, purchase reported on Form 4 | 30,000 | $480.0K | 2026-06-30 |
| 2026-06-23 | P, purchase reported on Form 4 | 13,620 | $211.1K | 2026-06-30 |
| 2026-06-23 | P, purchase reported on Form 4 | 12,000 | $187.6K | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 3,720 | $55.9K | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 210,000 | $3.2M | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 60,000 | $891.0K | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 58,500 | $866.4K | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 60,000 | $911.4K | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 60,000 | $924.0K | 2026-06-30 |
| 2026-06-24 | P, purchase reported on Form 4 | 60,000 | $921.6K | 2026-06-30 |
| 2026-06-25 | P, purchase reported on Form 4 | 150,600 | $2.4M | 2026-06-30 |
| 2026-06-26 | P, purchase reported on Form 4 | 60 | $891 | 2026-06-30 |
| 2026-06-26 | P, purchase reported on Form 4 | 151,800 | $2.4M | 2026-06-30 |
| 2026-06-29 | P, purchase reported on Form 4 | 152,820 | $2.3M | 2026-07-08 |
| 2026-06-29 | P, purchase reported on Form 4 | 60,000 | $912.0K | 2026-07-08 |
| 2026-06-29 | P, purchase reported on Form 4 | 35,700 | $543.0K | 2026-07-08 |
| 2026-06-30 | P, purchase reported on Form 4 | 293,520 | $4.7M | 2026-07-08 |
| 2026-06-30 | P, purchase reported on Form 4 | 60,000 | $931.2K | 2026-07-08 |
| 2026-06-30 | P, purchase reported on Form 4 | 60 | $957 | 2026-07-08 |
| 2026-07-01 | P, purchase reported on Form 4 | 286,800 | $4.8M | 2026-07-08 |
| 2026-07-02 | P, purchase reported on Form 4 | 556,020 | $9.3M | 2026-07-08 |
| 2026-07-06 | P, purchase reported on Form 4 | 165,420 | $2.7M | 2026-07-13 |
| 2026-07-07 | P, purchase reported on Form 4 | 211,260 | $3.5M | 2026-07-13 |
| 2026-07-08 | P, purchase reported on Form 4 | 185,880 | $3.1M | 2026-07-13 |
| 2026-07-09 | P, purchase reported on Form 4 | 186,840 | $3.2M | 2026-07-20 |
| 2026-07-10 | P, purchase reported on Form 4 | 95,040 | $1.6M | 2026-07-20 |
| 2026-07-13 | P, purchase reported on Form 4 | 213,480 | $3.7M | 2026-07-20 |
| 2026-07-14 | P, purchase reported on Form 4 | 178,800 | $3.1M | 2026-07-23 |
| 2026-07-15 | P, purchase reported on Form 4 | 135,540 | $2.3M | 2026-07-23 |
| 2026-07-16 | P, purchase reported on Form 4 | 111,840 | $1.9M | 2026-07-23 |
| 2026-07-17 | P, purchase reported on Form 4 | 83,460 | $1.4M | 2026-07-23 |
| 2026-07-20 | P, purchase reported on Form 4 | 112,500 | $1.9M | 2026-07-23 |
| 2026-07-21 | P, purchase reported on Form 4 | 498,660 | $8.3M | 2026-07-27 |
| 2026-07-22 | P, purchase reported on Form 4 | 59,940 | $956.0K | 2026-07-27 |
| 2026-07-22 | P, purchase reported on Form 4 | 123,780 | $2.0M | 2026-07-27 |
Newest 100 of 115
Source
Counted from the Form 4 filings this reporting owner (SEC CIK 2029760) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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