SOUTH KOREA · OPENDART
Laseroptek Co., Ltd.
레이저옵텍 · 199550 · KOSDAQ · Healthcare · Medical Devices
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.
No exchange purchase by an insider is on record yet.
Other changes in holdings · 32
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 |
|---|---|---|---|---|---|
| 2026-09-04 | Lee Chang Jin | CEO | Disposal in OTC(-) | 40,000 | DART ↗ |
| 2026-04-17 | Jeong Ji Ho | Director | Others(-) | 21 | DART ↗ |
| 2026-04-17 | Jeong Ji Ho | Director | Acquisition of paid-in new shares(+) | 22 | DART ↗ |
| 2026-04-17 | Lee Joo Yeon | Managing director | Others(-) | 8,204 | DART ↗ |
| 2026-04-17 | Lee Joo Yeon | Managing director | Acquisition of paid-in new shares(+) | 8,612 | DART ↗ |
| 2026-04-17 | Lee Chang Jin | CEO | Others(-) | 77,152 | DART ↗ |
| 2026-04-17 | Lee Chang Jin | CEO | Acquisition of paid-in new shares(+) | 77,152 | DART ↗ |
| 2026-04-17 | Chu Hong | CEO | Others(-) | 45,918 | DART ↗ |
| 2026-04-17 | Chu Hong | CEO | Acquisition of paid-in new shares(+) | 49,667 | DART ↗ |
| 2026-04-01 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Disposal in exchange(-) | 78,501 | DART ↗ |
| 2026-03-31 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Disposal in exchange(-) | 80,000 | DART ↗ |
| 2026-03-30 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Disposal in exchange(-) | 43,719 | DART ↗ |
| 2026-03-30 | Lee Chang Jin | CEO | Disposal in exchange(-) | 18,610 | DART ↗ |
| 2026-03-27 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Disposal in exchange(-) | 60,000 | DART ↗ |
| 2026-03-27 | Lee Chang Jin | CEO | Disposal in exchange(-) | 7,107 | DART ↗ |
| 2026-03-26 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Disposal in exchange(-) | 70,000 | DART ↗ |
| 2026-03-26 | Kim Won Sul | Director | Disposal in exchange(-) | 5,259 | DART ↗ |
| 2026-03-26 | Kim Kyu Tai | Director | Disposal in exchange(-) | 3,513 | DART ↗ |
| 2026-03-23 | Chu Hong | CEO | Disposal in OTC(-) | 413,265 | DART ↗ |
| 2026-03-18 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Others(+) | 75,815 | DART ↗ |
| 2026-03-17 | Wonik New Growth 2018Private Equity Fund | Non-executive director | Others(+) | 256,405 | DART ↗ |
| 2026-03-17 | Jeong Ji Ho | Director | Others(+) | 21 | DART ↗ |
| 2026-03-17 | Lee Joo Yeon | Managing director | Others(+) | 8,204 | DART ↗ |
| 2026-03-17 | Kim Won Sul | Director | Others(+) | 5,259 | DART ↗ |
| 2026-03-17 | Kim Kyu Tai | Director | Others(+) | 3,513 | DART ↗ |
| 2026-03-17 | Lee Chang Jin | CEO | Others(+) | 102,869 | DART ↗ |
| 2026-03-17 | Chu Hong | CEO | Others(+) | 459,183 | DART ↗ |
| 2025-05-30 | Lee Chang Jin | CEO | Stock options(+) | 200,000 | DART ↗ |
| 2025-05-30 | Lee Chang Jin | CEO | Stock options(+) | 21,000 | DART ↗ |
| 2025-01-01 | Kim Kyu Tai | Director | 신규선임(+) | 16,700 | DART ↗ |
| 2024-12-31 | Cho Joo Won | Managing director | 임원퇴임(-) | — | DART ↗ |
| 2024-10-10 | Lee Joo Yeon | Managing director | 주식매수청구권 행사(+) | 21,000 | DART ↗ |