Huang Jack Jiajia: insider trades
Every open market trade Huang Jack Jiajia has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.
Key Facts
- Huang Jack Jiajia is listed as Chief Executive Officer at COE.
- Between 2026-04-13 (13 April 2026) and 2026-08-21 (21 August 2026) Huang Jack Jiajia filed 82 open market buys worth $213M and 0 open market sales worth $0.
- Across 8 scored buys, Huang Jack Jiajia averaged -39.1% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion.
- Data as of 2026-09-29 (29 September 2026).
Would copying Huang Jack Jiajia have paid?
prices as of 2026-09-28The result. Across 8 scored buys, Huang Jack Jiajia averaged -39.1% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion.
| Days after entry | Scored buys | Avg vs S&P | Beat S&P | Entry months | t statistic | Reading |
|---|---|---|---|---|---|---|
| 30 days | 20 | -14.8% | 20% | 5 | n/a | based on too few months of entries (5) to judge |
| 90 days | 8 | -39.1% | 0% | 3 | n/a | too few trades to draw a conclusion |
| 180 days | 0 | n/a | n/a | n/a | n/a | too few trades to tell |
A return curve needs at least 10 scored buys. Huang Jack Jiajia does not have enough yet.
Stocks traded
Every open market trade
as of 2026-09-29| Filed | Stock | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 21 Aug 2026 | COE | buy | 35,400 | $20.83 | $737K | n/a |
| 21 Aug 2026 | COE | buy | 151,620 | $21.07 | $3.2M | n/a |
| 13 Aug 2026 | COE | buy | 337,500 | $20.17 | $6.8M | n/a |
| 13 Aug 2026 | COE | buy | 254,820 | $19.61 | $5.0M | n/a |
| 12 Aug 2026 | COE | buy | 105,120 | $19.29 | $2.0M | n/a |
| 12 Aug 2026 | COE | buy | 90,480 | $19.39 | $1.8M | n/a |
| 12 Aug 2026 | COE | buy | 199,980 | $19.72 | $3.9M | n/a |
| 10 Aug 2026 | COE | buy | 333,840 | $18.48 | $6.2M | n/a |
| 10 Aug 2026 | COE | buy | 122,580 | $17.54 | $2.2M | n/a |
| 10 Aug 2026 | COE | buy | 125,880 | $19.06 | $2.4M | n/a |
| 10 Aug 2026 | COE | buy | 158,460 | $19.20 | $3.0M | n/a |
| 5 Aug 2026 | COE | buy | 194,460 | $17.21 | $3.3M | n/a |
| 5 Aug 2026 | COE | buy | 109,080 | $16.91 | $1.8M | n/a |
| 5 Aug 2026 | COE | buy | 169,980 | $16.88 | $2.9M | n/a |
| 30 Jul 2026 | COE | buy | 451,320 | $16.97 | $7.7M | n/a |
| 30 Jul 2026 | COE | buy | 185,880 | $16.26 | $3.0M | n/a |
| 27 Jul 2026 | COE | buy | 498,660 | $16.62 | $8.3M | n/a |
| 27 Jul 2026 | COE | buy | 183,720 | $15.97 | $2.9M | n/a |
| 27 Jul 2026 | COE | buy | 421,440 | $15.76 | $6.6M | n/a |
| 23 Jul 2026 | COE | buy | 112,500 | $16.68 | $1.9M | n/a |
| 23 Jul 2026 | COE | buy | 135,540 | $16.93 | $2.3M | n/a |
| 23 Jul 2026 | COE | buy | 83,460 | $16.56 | $1.4M | n/a |
| 23 Jul 2026 | COE | buy | 111,840 | $16.60 | $1.9M | n/a |
| 23 Jul 2026 | COE | buy | 178,800 | $17.23 | $3.1M | n/a |
| 20 Jul 2026 | COE | buy | 95,040 | $16.71 | $1.6M | n/a |
| 20 Jul 2026 | COE | buy | 213,480 | $17.24 | $3.7M | n/a |
| 20 Jul 2026 | COE | buy | 186,840 | $17.19 | $3.2M | n/a |
| 13 Jul 2026 | COE | buy | 165,420 | $16.46 | $2.7M | n/a |
| 13 Jul 2026 | COE | buy | 211,260 | $16.72 | $3.5M | n/a |
| 13 Jul 2026 | COE | buy | 185,880 | $16.45 | $3.1M | n/a |
| 8 Jul 2026 | COE | buy | 353,580 | $15.90 | $5.6M | n/a |
| 8 Jul 2026 | COE | buy | 248,520 | $15.22 | $3.8M | n/a |
| 8 Jul 2026 | COE | buy | 556,020 | $16.78 | $9.3M | n/a |
| 8 Jul 2026 | COE | buy | 286,800 | $16.57 | $4.8M | n/a |
| 30 Jun 2026 | COE | buy | 512,220 | $15.26 | $7.8M | n/a |
| 30 Jun 2026 | COE | buy | 151,860 | $15.61 | $2.4M | n/a |
| 30 Jun 2026 | COE | buy | 248,400 | $15.96 | $4.0M | n/a |
| 30 Jun 2026 | COE | buy | 150,600 | $15.76 | $2.4M | n/a |
| 26 Jun 2026 | COE | buy | 74,520 | $15.96 | $1.2M | -26.8% |
| 26 Jun 2026 | COE | buy | 51,600 | $18.89 | $975K | -26.8% |
| 26 Jun 2026 | COE | buy | 39,960 | $17.20 | $687K | -26.8% |
| 26 Jun 2026 | COE | buy | 97,860 | $17.38 | $1.7M | -26.8% |
| 18 Jun 2026 | COE | buy | 89,160 | $20.20 | $1.8M | -26.9% |
| 18 Jun 2026 | COE | buy | 35,880 | $21.89 | $785K | -26.9% |
| 18 Jun 2026 | COE | buy | 17,580 | $22.82 | $401K | -26.9% |
| 18 Jun 2026 | COE | buy | 29,700 | $22.10 | $656K | -26.9% |
| 18 Jun 2026 | COE | buy | 23,340 | $22.34 | $521K | -26.9% |
| 18 Jun 2026 | COE | buy | 20,640 | $19.63 | $405K | -26.9% |
| 10 Jun 2026 | COE | buy | 21,240 | $25.74 | $547K | -47.9% |
| 10 Jun 2026 | COE | buy | 56,700 | $25.23 | $1.4M | -47.9% |
| 10 Jun 2026 | COE | buy | 48,300 | $25.57 | $1.2M | -47.9% |
| 10 Jun 2026 | COE | buy | 14,700 | $22.74 | $334K | -47.9% |
| 10 Jun 2026 | COE | buy | 8,880 | $24.61 | $219K | -47.9% |
| 10 Jun 2026 | COE | buy | 15,420 | $23.59 | $364K | -47.9% |
| 1 Jun 2026 | COE | buy | 74,280 | $26.76 | $2.0M | -42.6% |
| 1 Jun 2026 | COE | buy | 25,380 | $26.19 | $665K | -42.6% |
| 1 Jun 2026 | COE | buy | 45,840 | $26.39 | $1.2M | -42.6% |
| 1 Jun 2026 | COE | buy | 37,500 | $26.28 | $986K | -42.6% |
| 26 May 2026 | COE | buy | 45,600 | $27.13 | $1.2M | -41.2% |
| 26 May 2026 | COE | buy | 22,440 | $28.00 | $628K | -41.2% |
| 26 May 2026 | COE | buy | 28,560 | $26.97 | $770K | -41.2% |
| 26 May 2026 | COE | buy | 47,280 | $26.34 | $1.2M | -41.2% |
| 26 May 2026 | COE | buy | 11,340 | $26.87 | $305K | -41.2% |
| 27 Apr 2026 | COE | buy | 21,480 | $23.59 | $507K | -42.6% |
| 27 Apr 2026 | COE | buy | 73,740 | $25.71 | $1.9M | -42.6% |
| 27 Apr 2026 | COE | buy | 12,000 | $23.90 | $287K | -42.6% |
| 27 Apr 2026 | COE | buy | 39,180 | $24.37 | $955K | -42.6% |
| 22 Apr 2026 | COE | buy | 60,420 | $25.79 | $1.6M | -45.5% |
| 22 Apr 2026 | COE | buy | 61,200 | $24.36 | $1.5M | -45.5% |
| 22 Apr 2026 | COE | buy | 24,060 | $25.51 | $614K | -45.5% |
| 22 Apr 2026 | COE | buy | 72,720 | $22.22 | $1.6M | -45.5% |
| 22 Apr 2026 | COE | buy | 166,560 | $25.69 | $4.3M | -45.5% |
| 13 Apr 2026 | COE | buy | 117,660 | $22.96 | $2.7M | -39.0% |
| 13 Apr 2026 | COE | buy | 20,280 | $21.28 | $432K | -39.0% |
| 13 Apr 2026 | COE | buy | 309,660 | $21.48 | $6.7M | -39.0% |
| 13 Apr 2026 | COE | buy | 337,740 | $18.50 | $6.2M | -39.0% |
| 13 Apr 2026 | COE | buy | 301,620 | $19.37 | $5.8M | -39.0% |
| 13 Apr 2026 | COE | buy | 170,520 | $22.21 | $3.8M | -39.0% |
| 13 Apr 2026 | COE | buy | 195,060 | $19.09 | $3.7M | -39.0% |
| 13 Apr 2026 | COE | buy | 88,560 | $18.35 | $1.6M | -39.0% |
| 13 Apr 2026 | COE | buy | 39,720 | $21.70 | $862K | -39.0% |
| 13 Apr 2026 | COE | buy | 159,420 | $21.70 | $3.5M | -39.0% |
Nothing matches that search.
Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.
Related pages
Frequently asked questions
What has Huang Jack Jiajia bought and sold?
Between 2026-04-13 (13 April 2026) and 2026-08-21 (21 August 2026) Huang Jack Jiajia filed 82 open market buys worth $213M and 0 open market sales worth $0.
Did Huang Jack Jiajia's buys beat the market?
Across 8 scored buys, Huang Jack Jiajia averaged -39.1% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion. Insider sales are not scored because they are often planned for tax or diversification reasons.
Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.