SOUTH KOREA · OPENDART
Jeju Semiconductor Corp.
제주반도체 · 080220 · KOSDAQ · Technology · Semiconductors
Score
Not ranked: no net buying on the exchange by an individual insider in the last 180 days.
Insider trades on the exchange
Purchases and sales on the exchange in the last 12 months. The filing gives the settlement date; the trade date is two trading days earlier.
| Trade date | Insider | Role | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-02-04 | Juweon Hwang | Vice president | Sold on the exchange | 10,000 | ₩44,023 | ₩440.2M | DART ↗ |
Other changes in holdings · 7
Option exercises, grants, new shares, inheritance, gifts, off-exchange trades and trades by companies and funds. Not counted in the score.
| Date | Insider | Role | Reason | Shares | Filing |
|---|---|---|---|---|---|
| 2026-05-15 | Hyungsup Cho | CEO | Others(+) | 3,922 | DART ↗ |
| 2026-05-15 | Sungsik Park | CEO | Others(+) | 32,937 | DART ↗ |
| 2026-04-27 | Hyungsup Cho | CEO | Others(+) | 12,524 | DART ↗ |
| 2026-04-27 | Hyungsup Cho | CEO | Others(+) | 17,256 | DART ↗ |
| 2026-04-27 | Sungsik Park | CEO | Others(+) | 105,182 | DART ↗ |
| 2026-04-27 | Sungsik Park | CEO | Others(+) | 144,917 | DART ↗ |
| 2025-11-17 | Hyungsup Cho | Director | New appointment(+) | 424,674 | DART ↗ |