SOUTH KOREA · OPENDART
CHOOLIP & SCIENCES Inc
츌립앤사이언스 · 291650 · KOSDAQ · Healthcare · Biotechnology
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 · 37
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 |
|---|---|---|---|---|---|
| 2026-08-12 | Wellnew & Co. | 10% shareholder | Stock consolidation | 6,000,000 | DART ↗ |
| 2026-08-12 | Daihyun Eng & Const Co., Ltd. | 10% shareholder | Stock consolidation | 3,293,032 | DART ↗ |
| 2026-08-12 | Alticast Corporation | 10% shareholder | Stock consolidation | 3,567,043 | DART ↗ |
| 2026-04-10 | Wellnew & Co. | 10% shareholder | Acquisition of paid-in new shares(+) | 12,000,000 | DART ↗ |
| 2025-11-28 | Alticast Corporation | 10% shareholder | Acquisition in exchange(+) | 46,258 | DART ↗ |
| 2025-11-18 | Alticast Corporation | 10% shareholder | Acquisition in exchange(+) | 8,000 | DART ↗ |
| 2025-10-27 | RYU SUNG HO | CTO | Executive retirement(-) | 566,902 | DART ↗ |
| 2025-10-27 | HAN DONG IL | CEO | Executive retirement(-) | 1,376,000 | DART ↗ |
| 2025-10-27 | Daihyun Eng & Const Co., Ltd. | 10% shareholder | Paid-in capital increase by third-party allotment(+) | 6,586,064 | DART ↗ |
| 2025-10-27 | Alticast Corporation | 10% shareholder | New report(+) | 7,079,827 | DART ↗ |
| 2025-10-24 | RYU SUNG HO | CTO | Disposal in OTC(-) | 500,000 | DART ↗ |
| 2025-10-24 | HAN DONG IL | CEO | Disposal in OTC(-) | 1,440,000 | DART ↗ |
| 2024-12-13 | Lee Gwang-yong | Senior managing director | 기타(-) | 5,497 | DART ↗ |
| 2024-12-13 | Lee Gwang-yong | Senior managing director | 유상신주취득(+) | 6,596 | DART ↗ |
| 2024-12-13 | Lee Cheol-hwan | Managing director | 기타(-) | 9,619 | DART ↗ |
| 2024-12-13 | Lee Cheol-hwan | Managing director | 유상신주취득(+) | 11,542 | DART ↗ |
| 2024-12-13 | LEE DAE KYUN | Managing director | 기타(-) | 15,254 | DART ↗ |
| 2024-12-13 | LEE DAE KYUN | Managing director | 유상신주취득(+) | 15,254 | DART ↗ |
| 2024-12-13 | RYU SUNG HO | CTO | 유상신주취득(+) | 210,265 | DART ↗ |
| 2024-12-13 | RYU SUNG HO | CTO | 기타(-) | 210,265 | DART ↗ |
| 2024-12-13 | HAN DONG IL | CEO | 유상신주취득(+) | 706,000 | DART ↗ |
| 2024-12-13 | HAN DONG IL | CEO | 기타(-) | 580,000 | DART ↗ |
| 2024-12-03 | HAN DONG IL | CEO | 시간외매매(-) | 500,000 | DART ↗ |
| 2024-11-28 | RYU SUNG HO | CTO | 시간외매매(-) | 150,000 | DART ↗ |
| 2024-11-28 | HAN DONG IL | CEO | 시간외매매(-) | 200,000 | DART ↗ |
| 2024-11-26 | HAN DONG IL | CEO | 장내매도(-) | 73,013 | DART ↗ |
| 2024-11-25 | HAN DONG IL | CEO | 장내매도(-) | 155,449 | DART ↗ |
| 2024-11-22 | HAN DONG IL | CEO | 장내매도(-) | 279,410 | DART ↗ |
| 2024-11-21 | RYU SUNG HO | CTO | 장내매도(-) | 391,383 | DART ↗ |
| 2024-11-21 | HAN DONG IL | CEO | 장내매도(-) | 402,970 | DART ↗ |
| 2024-11-20 | RYU SUNG HO | CTO | 장내매도(-) | 99,235 | DART ↗ |
| 2024-11-20 | HAN DONG IL | CEO | 장내매도(-) | 440,024 | DART ↗ |
| 2024-11-11 | Lee Gwang-yong | Senior managing director | 기타(+) | 5,497 | DART ↗ |
| 2024-11-11 | Lee Cheol-hwan | Managing director | 기타(+) | 9,619 | DART ↗ |
| 2024-11-11 | LEE DAE KYUN | Managing director | 기타(+) | 15,254 | DART ↗ |
| 2024-11-11 | RYU SUNG HO | CTO | 기타(+) | 700,883 | DART ↗ |
| 2024-11-11 | HAN DONG IL | CEO | 기타(+) | 1,930,866 | DART ↗ |