SOUTH KOREA · OPENDART
Bistos Co., Ltd.
비스토스 · 419540 · 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.
| Trade date | Insider | Role | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-01-19 | Lee Han Na | Director | Sold on the exchange | 10,000 | ₩1,342 | ₩13.4M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 85 | ₩1,323 | ₩112,455 | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 240 | ₩1,379 | ₩330,960 | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 293 | ₩1,367 | ₩400,531 | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 339 | ₩1,368 | ₩463,752 | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 1,459 | ₩1,370 | ₩2.0M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 7,909 | ₩1,366 | ₩10.8M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 9,760 | ₩1,377 | ₩13.4M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 10,000 | ₩1,322 | ₩13.2M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 10,261 | ₩1,324 | ₩13.6M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 20,000 | ₩1,310 | ₩26.2M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 34,000 | ₩1,346 | ₩45.8M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 40,000 | ₩1,320 | ₩52.8M | DART ↗ |
| 2026-01-19 | Park Seung Gi | Director | Sold on the exchange | 40,654 | ₩1,321 | ₩53.7M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,149 | ₩1.1M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,150 | ₩1.1M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,152 | ₩1.2M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,153 | ₩1.2M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,154 | ₩1.2M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,160 | ₩1.2M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 1,000 | ₩1,162 | ₩1.2M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 2,000 | ₩1,156 | ₩2.3M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 2,000 | ₩1,158 | ₩2.3M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 4,000 | ₩1,148 | ₩4.6M | DART ↗ |
| 2025-12-11 | Park Seung Gi | Director | Sold on the exchange | 5,000 | ₩1,157 | ₩5.8M | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 291 | ₩1,186 | ₩345,126 | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 726 | ₩1,192 | ₩865,392 | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 1,349 | ₩1,187 | ₩1.6M | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 1,457 | ₩1,191 | ₩1.7M | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 2,708 | ₩1,190 | ₩3.2M | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 3,139 | ₩1,189 | ₩3.7M | DART ↗ |
| 2025-12-10 | Park Seung Gi | Director | Sold on the exchange | 5,330 | ₩1,188 | ₩6.3M | DART ↗ |
| 2025-12-08 | Park Seung Gi | Director | Sold on the exchange | 588 | ₩1,282 | ₩753,816 | DART ↗ |
| 2025-12-08 | Park Seung Gi | Director | Sold on the exchange | 1,270 | ₩1,283 | ₩1.6M | DART ↗ |
| 2025-12-08 | Park Seung Gi | Director | Sold on the exchange | 3,142 | ₩1,281 | ₩4.0M | DART ↗ |
| 2025-12-08 | Park Seung Gi | Director | Sold on the exchange | 10,000 | ₩1,290 | ₩12.9M | DART ↗ |
Other changes in holdings · 9
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 |
|---|---|---|---|---|---|
| 2026-08-19 | CU Medical System | 10% shareholder | Acquisition in exchange(+) | 28,400 | DART ↗ |
| 2026-08-18 | CU Medical System | 10% shareholder | Acquisition in exchange(+) | 7,855 | DART ↗ |
| 2026-08-14 | CU Medical System | 10% shareholder | Acquisition in exchange(+) | 5,200 | DART ↗ |
| 2026-06-18 | CU Medical System | 10% shareholder | Paid-in capital increase by third-party allotment(+) | 1,359,751 | DART ↗ |
| 2026-06-05 | CU Medical System | 10% shareholder | Acquisition in exchange(+) | 9,929 | DART ↗ |
| 2026-05-20 | CU Medical System | 10% shareholder | Stock consolidation | 6,231,328 | DART ↗ |
| 2026-01-20 | CU Medical System | 10% shareholder | Acquisition in OTC(+) | 7,789,160 | DART ↗ |
| 2026-01-20 | Lee Hoo Jeong | CEO | Disposal in OTC(-) | 4,524,700 | DART ↗ |
| 2023-03-29 | Lee Han Na | Director | Stock options(+) | 50,000 | DART ↗ |