COE Stock: Insider Activity, Filings & Research
COE stock — Drillr’s hub for COE insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, COE insiders filed 43 open-market buys and 0 sales (SEC Form 4).
COE insider trading activity (SEC Form 4)
Sentiment
100/100
Buys (3m)
43
Sells (3m)
0
Net (3m)
$74.9M
Insiders buying
Insider trades by month Buys Sells
Apr
May
Jun
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Tang Cindy Chunofficer: Chief Financial Officer | Grant | 89,000 | — |
| Jun 1, 2026 | Lai Jimmy Y.director | Option | 50,336 | — |
| Jun 1, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 25,380 | $26.19 |
| Jun 1, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 45,840 | $26.39 |
| Jun 1, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 37,500 | $26.28 |
| Jun 1, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 74,280 | $26.76 |
| May 26, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 22,440 | $28.00 |
| May 26, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 28,560 | $26.97 |
| May 26, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 45,600 | $27.13 |
| May 26, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 11,340 | $26.87 |
| May 26, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 47,280 | $26.34 |
| May 19, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 6,000 | $26.42 |
| May 19, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 30,000 | $25.22 |
| May 19, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 19,620 | $25.32 |
| May 19, 2026 | Huang Jack Jiajiadirector, 10 percent owner, officer: Chief Executive Officer | Buy | 28,560 | $25.50 |
Source: COE SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.
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