COE China Online Education Group
$10.61
China Online Education Group (COE) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
Insider signal
Bullish
Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity
0 buyers in the last 30 days
1 buyer in the last 90 days
0 sellers in the last 90 days
Insiders buying
2
121 transactions
Insiders selling
0
0 transactions
Purchases
$230.2M
19,695,360 shares
Sales
$0
0 shares
Net activity
$230.2M
purchases less sales
Where they traded
Buy
Sell
Dot area is proportional to transaction value.
Last open-market purchase: August 13, 2026 , by Huang Jack Jiajia .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 35,400 | $20.83 | $737.4K | 35,615,160 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 337,500 | $20.17 | $6.8M | 35,428,140 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 254,820 | $19.61 | $5.0M | 35,090,640 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 199,980 | $19.72 | $3.9M | 34,835,820 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 90,480 | $19.39 | $1.8M | 34,635,840 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 105,120 | $19.29 | $2.0M | 34,545,360 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 158,460 | $19.20 | $3.0M | 34,440,240 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 125,880 | $19.06 | $2.4M | 34,281,780 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 333,840 | $18.48 | $6.2M | 34,155,900 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 122,580 | $17.54 | $2.2M | 33,822,060 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 194,460 | $17.21 | $3.3M | 33,699,480 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 109,080 | $16.91 | $1.8M | 33,505,020 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 169,980 | $16.88 | $2.9M | 33,395,940 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 451,320 | $16.97 | $7.7M | 33,225,960 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 185,880 | $16.26 | $3.0M | 32,774,640 | |
| Huang Jack Jiajia 3 fills | Chief Executive Officer | Buy 10b5-1 | 421,440 | $15.76 | $6.6M | 32,588,760 | |
| Huang Jack Jiajia 2 fills | Chief Executive Officer | Buy 10b5-1 | 183,720 | $15.97 | $2.9M | 32,167,320 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 498,660 | $16.62 | $8.3M | 31,983,600 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 112,500 | $16.68 | $1.9M | 31,484,940 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 83,460 | $16.56 | $1.4M | 31,372,440 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 111,840 | $16.60 | $1.9M | 31,288,980 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 135,540 | $16.93 | $2.3M | 31,177,140 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 178,800 | $17.23 | $3.1M | 31,041,600 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 213,480 | $17.24 | $3.7M | 30,862,800 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 95,040 | $16.71 | $1.6M | 30,649,320 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 186,840 | $17.19 | $3.2M | 30,554,280 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 185,880 | $16.45 | $3.1M | 30,367,440 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 211,260 | $16.72 | $3.5M | 30,181,560 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 165,420 | $16.46 | $2.7M | 29,970,300 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 556,020 | $16.78 | $9.3M | 29,804,880 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 286,800 | $16.57 | $4.8M | 29,248,860 | |
| Huang Jack Jiajia 3 fills | Chief Executive Officer | Buy 10b5-1 | 353,580 | $15.90 | $5.6M | 28,962,060 | |
| Huang Jack Jiajia 3 fills | Chief Executive Officer | Buy 10b5-1 | 248,520 | $15.22 | $3.8M | 28,608,480 | |
| Huang Jack Jiajia 2 fills | Chief Executive Officer | Buy | 151,860 | $15.61 | $2.4M | 28,359,960 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 150,600 | $15.76 | $2.4M | 28,208,100 | |
| Huang Jack Jiajia 7 fills | Chief Executive Officer | Buy | 512,220 | $15.26 | $7.8M | 28,057,500 | |
| Huang Jack Jiajia 6 fills | Chief Executive Officer | Buy | 248,400 | $15.96 | $4.0M | 27,545,280 | |
| Huang Jack Jiajia 3 fills | Chief Executive Officer | Buy 10b5-1 | 74,520 | $15.96 | $1.2M | 27,296,880 | |
| Huang Jack Jiajia 3 fills | Chief Executive Officer | Buy 10b5-1 | 97,860 | $17.38 | $1.7M | 27,222,360 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 39,960 | $17.20 | $687.3K | 27,124,500 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 51,600 | $18.89 | $974.7K | 27,084,540 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 20,640 | $19.63 | $405.2K | 27,032,940 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 89,160 | $20.20 | $1.8M | 27,012,300 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 29,700 | $22.10 | $656.4K | 26,923,140 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 17,580 | $22.82 | $401.2K | 26,893,440 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 35,880 | $21.89 | $785.4K | 26,875,860 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 23,340 | $22.34 | $521.4K | 26,839,980 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 14,700 | $22.74 | $334.3K | 26,816,640 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 15,420 | $23.59 | $363.8K | 26,801,940 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 8,880 | $24.61 | $218.5K | 26,786,520 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 56,700 | $25.23 | $1.4M | 26,777,640 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 48,300 | $25.57 | $1.2M | 26,720,940 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 21,240 | $25.74 | $546.7K | 26,672,640 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 25,380 | $26.19 | $664.7K | 26,651,400 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 45,840 | $26.39 | $1.2M | 26,626,020 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 37,500 | $26.28 | $985.5K | 26,580,180 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 74,280 | $26.76 | $2.0M | 26,542,680 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 28,560 | $26.97 | $770.3K | 26,468,400 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 45,600 | $27.13 | $1.2M | 26,439,840 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 11,340 | $26.87 | $304.7K | 26,394,240 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 22,440 | $28.00 | $628.3K | 26,382,900 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 47,280 | $26.34 | $1.2M | 26,360,460 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 30,000 | $25.22 | $756.6K | 26,313,180 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 19,620 | $25.32 | $496.8K | 26,283,180 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 28,560 | $25.50 | $728.3K | 26,263,560 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 6,000 | $26.42 | $158.5K | 26,235,000 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 73,080 | $23.49 | $1.7M | 26,229,000 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 24,180 | $25.01 | $604.7K | 26,155,920 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 22,140 | $27.16 | $601.3K | 26,131,740 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 11,580 | $28.06 | $324.9K | 26,109,600 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 83,580 | $28.79 | $2.4M | 26,098,020 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 52,560 | $29.05 | $1.5M | 26,014,440 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 24,180 | $28.36 | $685.7K | 25,961,880 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 9,300 | $27.87 | $259.2K | 25,937,700 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 64,500 | $26.99 | $1.7M | 25,928,400 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 161,280 | $26.30 | $4.2M | 25,863,900 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 39,720 | $26.07 | $1.0M | 25,702,620 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 73,740 | $25.71 | $1.9M | 25,662,900 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 12,000 | $23.90 | $286.8K | 25,589,160 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 39,180 | $24.37 | $954.8K | 25,577,160 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 21,480 | $23.59 | $506.7K | 25,537,980 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 24,060 | $25.51 | $613.8K | 25,516,500 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 60,420 | $25.79 | $1.6M | 25,492,440 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 166,560 | $25.69 | $4.3M | 25,432,020 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 61,200 | $24.36 | $1.5M | 25,265,460 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 72,720 | $22.22 | $1.6M | 25,204,260 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy 10b5-1 | 151,620 | $21.07 | $3.2M | 35,579,760 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 159,420 | $21.70 | $3.5M | 25,131,540 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 39,720 | $21.70 | $861.9K | 24,972,120 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 20,280 | $21.28 | $431.6K | 24,932,400 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 117,660 | $22.96 | $2.7M | 24,912,120 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 170,520 | $22.21 | $3.8M | 24,794,460 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 309,660 | $21.48 | $6.7M | 24,623,940 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 195,060 | $19.09 | $3.7M | 24,314,280 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 337,740 | $18.50 | $6.2M | 24,119,220 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 301,620 | $19.37 | $5.8M | 23,781,480 | |
| Huang Jack Jiajia | Chief Executive Officer | Buy | 88,560 | $18.35 | $1.6M | 23,479,860 | |
| Shu Ting | Director | Buy | 7,471,500 | $0.00 | $0 | 30,862,800 |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.