SOUTH KOREA · OPENDART
PROTIA INC.
프로티아 · 303360 · KOSDAQ · Healthcare · Diagnostics & Research
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
No purchase price could be compared with the share price (price or share count missing, another currency, or far from that day's close).
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-07 | Im Jin Hyung | Auditor | Bought on the exchange | 3,000 | ₩4,484 | ₩13.5M | DART ↗ |
| 2026-04-06 | Choi Dong sub | Senior managing director | Sold on the exchange | 4,450 | ₩4,450 | ₩19.8M | DART ↗ |
| 2026-04-03 | Choi Dong sub | Senior managing director | Sold on the exchange | 2,671 | ₩4,477 | ₩12.0M | DART ↗ |
| 2026-04-02 | Choi Dong sub | Senior managing director | Sold on the exchange | 2,450 | ₩4,532 | ₩11.1M | DART ↗ |
| 2026-04-01 | Choi Dong sub | Senior managing director | Sold on the exchange | 3,341 | ₩4,561 | ₩15.2M | DART ↗ |
| 2026-03-31 | Choi Dong sub | Senior managing director | Sold on the exchange | 3,000 | ₩4,488 | ₩13.5M | DART ↗ |
| 2026-03-27 | Choi Dong sub | Senior managing director | Sold on the exchange | 3,000 | ₩4,685 | ₩14.1M | DART ↗ |
| 2026-03-25 | Choi Dong sub | Senior managing director | Sold on the exchange | 4,680 | ₩4,746 | ₩22.2M | DART ↗ |
| 2026-03-24 | Choi Dong sub | Senior managing director | Sold on the exchange | 1,500 | ₩4,623 | ₩6.9M | DART ↗ |
| 2026-03-23 | Choi Dong sub | Senior managing director | Sold on the exchange | 5,000 | ₩4,674 | ₩23.4M | DART ↗ |
| 2025-10-27 | Lee Yeong Gu | Outside director | Bought on the exchange | 33 | ₩4,750 | ₩156,750 | DART ↗ |
Other changes in holdings · 7
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 | Lee Si Hyeock | Outside director | New appointment(+) | 4,800 | DART ↗ |
| 2026-03-10 | Choi Dong sub | Senior managing director | Exercise of appraisal rights(+) | 2,500 | DART ↗ |
| 2026-03-09 | Son Soon Jin | Director | Others(+) | 4,634 | DART ↗ |
| 2025-08-27 | Kim Seong Tae | Director | Others(+) | 1,450 | DART ↗ |
| 2025-04-03 | Hong Sung Yi | Managing director | Others(+) | 2,500 | DART ↗ |
| 2025-01-06 | Kim Tae Hyung | Managing director | 신규선임(+) | 22,000 | DART ↗ |
| 2024-11-22 | Im Jin Hyung | Auditor | 장외매수(+) | 8,000 | DART ↗ |