SOUTH KOREA · OPENDART
DONG-A ST CO.,LTD
동아에스티 · 170900 · KOSPI · Healthcare · Drug Manufacturers—Specialty & Generic
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.
Other changes in holdings · 45
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 |
|---|---|---|---|---|---|
| 2026-03-26 | Choi Yeong-jin | Managing director | Stock dividend(+) | 71 | DART ↗ |
| 2026-03-26 | Choi Su-won | Managing director | Stock dividend(+) | 75 | DART ↗ |
| 2026-03-26 | Choi Su-won | Managing director | Exercise price adjustment | 7 | DART ↗ |
| 2026-03-26 | Cho Sang-uk | Managing director | Stock dividend(+) | 50 | DART ↗ |
| 2026-03-26 | Jung Jin-seok | Managing director | Stock dividend(+) | 3 | DART ↗ |
| 2026-03-26 | Jung Jae-hun | CEO | Stock dividend(+) | 22 | DART ↗ |
| 2026-03-26 | Lim Jin-sun | Managing director | Stock dividend(+) | 124 | DART ↗ |
| 2026-03-26 | Lee Dae-u | Managing director | Executive retirement(-) | 254 | DART ↗ |
| 2026-03-26 | Sung Su-gi | Managing director | Stock dividend(+) | 22 | DART ↗ |
| 2026-03-26 | Bang Mi-yeong | Managing director | Stock dividend(+) | 79 | DART ↗ |
| 2026-03-26 | Park Chang-hyeon | Managing director | Stock dividend(+) | 28 | DART ↗ |
| 2026-03-26 | 동아쏘시오홀딩스(주) | 10% shareholder | Stock dividend(+) | 121,229 | DART ↗ |
| 2026-03-26 | Kim Hak-jun | Outside director | Executive retirement(-) | 384 | DART ↗ |
| 2026-03-26 | Kim Jong-deok | Managing director | Stock dividend(+) | 123 | DART ↗ |
| 2026-03-26 | Kim Yun-gyeong | Senior managing director | Stock dividend(+) | 86 | DART ↗ |
| 2026-03-26 | Kim Mi-gyeong | Managing director | Stock dividend(+) | 41 | DART ↗ |
| 2026-03-26 | Kang Jeong-seok | Executive | Stock dividend(+) | 1,496 | DART ↗ |
| 2025-11-01 | Choi Yeong-jin | Managing director | New appointment(+) | 47 | DART ↗ |
| 2025-11-01 | Jung Jin-seok | Managing director | New appointment(+) | 9 | DART ↗ |
| 2025-10-31 | Hwang Byeong-un | Managing director | Executive retirement(-) | 31 | DART ↗ |
| 2025-10-31 | Lee Geon-il | Research fellow | Executive retirement(-) | 62 | DART ↗ |
| 2025-07-01 | Sung Su-gi | Managing director | New appointment(+) | 306 | DART ↗ |
| 2025-04-07 | Kim Jong-deok | Managing director | New report(+) | 73 | DART ↗ |
| 2025-03-31 | Lee Dae-u | Managing director | Stock dividend(+) | 11 | DART ↗ |
| 2025-03-31 | Hwang Byeong-un | Managing director | Stock dividend(+) | 19 | DART ↗ |
| 2025-03-31 | Choi Su-won | Managing director | Stock dividend(+) | 27 | DART ↗ |
| 2025-03-31 | Choi Su-won | Managing director | Exercise price adjustment | 3 | DART ↗ |
| 2025-03-31 | Cho Sang-uk | Managing director | Stock dividend(+) | 16 | DART ↗ |
| 2025-03-31 | Jung Jae-hun | CEO | Stock dividend(+) | 8 | DART ↗ |
| 2025-03-31 | Lim Jin-sun | Managing director | Stock dividend(+) | 43 | DART ↗ |
| 2025-03-31 | Lee Geon-il | Research fellow | Stock dividend(+) | 35 | DART ↗ |
| 2025-03-31 | Kang Jeong-seok | Chairman | Stock dividend(+) | 586 | DART ↗ |
| 2025-03-31 | Bang Mi-yeong | Managing director | Stock dividend(+) | 27 | DART ↗ |
| 2025-03-31 | Park Chang-hyeon | Managing director | Stock dividend(+) | 10 | DART ↗ |
| 2025-03-31 | 동아쏘시오홀딩스(주) | 10% shareholder | Stock dividend(+) | 47,540 | DART ↗ |
| 2025-03-31 | Kim Yun-gyeong | Managing director | Stock dividend(+) | 26 | DART ↗ |
| 2025-03-31 | Kim Mi-gyeong | Managing director | Stock dividend(+) | 14 | DART ↗ |
| 2025-03-31 | Kim Hak-jun | Outside director | Stock dividend(+) | 4 | DART ↗ |
| 2025-03-07 | Yoo Jun-su | Senior managing director | Executive retirement(-) | 3 | DART ↗ |
| 2024-11-01 | Park Chang-hyeon | Managing director | 신규선임(+) | 314 | DART ↗ |
| 2024-10-31 | Lee Jeon-pyeong | Managing director | 임원퇴임(-) | 114 | DART ↗ |
| 2024-10-31 | Yang Ho-jun | Managing director | 임원퇴임(-) | 80 | DART ↗ |
| 2024-10-31 | So Sun-jong | Senior managing director | 임원퇴임(-) | 67 | DART ↗ |
| 2024-10-31 | Park Hui-beom | Managing director | 임원퇴임(-) | 101 | DART ↗ |
| 2024-03-26 | Park Chang-hyeon | Managing director | Stock dividend(+) | 3 | DART ↗ |