SOUTH KOREA · OPENDART
OptiCore Inc.
옵티코어 · 380540 · KOSDAQ
Score
Not ranked: no net buying on the exchange by an individual insider in the last 180 days.
Insiders' buying price vs the latest close
The share has split since the purchases, so the filed prices and today's price are on different bases.
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 |
|---|---|---|---|---|---|---|---|
| 2026-01-21 | Park Kyoung Su | Director | Sold on the exchange | 55,558 | ₩4,936 | ₩274.2M | DART ↗ |
| 2026-01-21 | Park Kyoung Su | Director | Bought on the exchange | 6,000 | ₩4,840 | ₩29.0M | DART ↗ |
| 2026-01-20 | Kim Do Hun | Director | Sold on the exchange | 80,000 | ₩5,049 | ₩403.9M | DART ↗ |
| 2026-01-20 | Park Kyoung Su | Director | Sold on the exchange | 30,000 | ₩5,142 | ₩154.3M | DART ↗ |
| 2026-01-19 | Kim Do Hun | Director | Sold on the exchange | 30,000 | ₩3,904 | ₩117.1M | DART ↗ |
| 2026-01-16 | Kim Do Hun | Director | Sold on the exchange | 120,000 | ₩3,278 | ₩393.4M | DART ↗ |
| 2026-01-16 | Kim Jin Hwan | Director | Sold on the exchange | 350,000 | ₩3,079 | ₩1.1B | DART ↗ |
| 2026-01-16 | Park Kyoung Su | Director | Sold on the exchange | 177,424 | ₩3,384 | ₩600.4M | DART ↗ |
Other changes in holdings · 12
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 |
|---|---|---|---|---|---|
| 2026-05-07 | Kim Jin Hwan | Director | Stock consolidation | 125,000 | DART ↗ |
| 2026-05-07 | Park Kyoung Su | Director | Stock consolidation | 278,782 | DART ↗ |
| 2026-05-07 | Kim Do Hun | Director | Stock consolidation | 10,000 | DART ↗ |
| 2026-05-07 | Kim Do Hun | Director | Disposal in exchange(-) | 10,000 | DART ↗ |
| 2026-05-07 | Blackmountain | 10% shareholder | Stock consolidation | 4,370,625 | DART ↗ |
| 2026-05-07 | Kim Jung Hoon | Vice president | Stock consolidation | 110,000 | DART ↗ |
| 2026-04-01 | Kim Jung Hoon | Vice president | New appointment(+) | 220,000 | DART ↗ |
| 2025-07-09 | Jin Jae Hyun | CEO | Disposal in OTC(-) | 6,630,000 | DART ↗ |
| 2025-07-09 | Jin Jae Hyun | CEO | Off-hour trading(-) | 3,000,000 | DART ↗ |
| 2025-06-09 | Kim Jin Hwan | Director | Stock options(+) | 40,000 | DART ↗ |
| 2025-05-13 | Kim Jin Hwan | Director | Stock options(+) | 80,000 | DART ↗ |
| 2025-03-12 | Blackmountain | 10% shareholder | Paid-in capital increase by third-party allotment(+) | 8,741,250 | DART ↗ |