StockDriftsStockDriftsBioinfrastructure (199730) has 6 disclosed insider purchases and 6 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩102M ($71K) in reported transaction value. The earliest filing StockDrifts holds for Bioinfrastructure is dated 2023-03-06; the most recent is 2026-06-01. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is -0.14%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-06-01 | BUY | Market Buy | 이영국 Lee Young-guk | Managing Director | 3.0K | ₩3,255 | -5.7% | ₩10M ($7K) |
| 2024-06-16 | BUY | Market Buy | 안형준 Hyeongjun Ahn | Outside Director | 50 | ₩9,310 | -52.3% | ₩466K ($323) |
| 2024-05-03 | BUY | 주식매수청구권 행사 | 황규상 Hwang Gyu-sang | Managing Director | 22.5K | ₩10,690 | -58.4% | ₩241M ($167K) |
| 2024-05-03 | BUY | 주식매수청구권 행사 | 최윤호 Choi Yunho | Managing Director | 7.5K | ₩10,690 | -58.4% | ₩80M ($56K) |
| 2024-04-03 | SELL | Market Sell | 황규상 Hwang Gyu-sang | Managing Director | -999 | ₩10,920 | +59.3% | ₩11M ($8K) |
| 2024-04-01 | SELL | Market Sell | 황규상 Hwang Gyu-sang | Managing Director | -1.0K | ₩11,290 | +60.6% | ₩11M ($8K) |
| 2024-04-01 | SELL | Market Sell | 황규상 Hwang Gyu-sang | Managing Director | -3.0K | ₩11,290 | +60.6% | ₩34M ($24K) |
| 2024-03-29 | SELL | Market Sell | 황규상 Hwang Gyu-sang | Managing Director | -2.0K | ₩11,170 | +60.2% | ₩22M ($16K) |
| 2024-03-27 | SELL | Market Sell | 황규상 Hwang Gyu-sang | Managing Director | -500 | ₩11,000 | +59.6% | ₩6M ($4K) |
| 2024-03-08 | BUY | 주식매수청구권 행사 | 박광규 Park Kwang-gyu | Managing Director | 30.0K | ₩10,890 | -59.2% | ₩327M ($227K) |
| 2024-03-06 | BUY | 주식매수청구권 행사 | 황규상 Hwang Gyu-sang | Managing Director | 7.5K | ₩10,450 | -57.5% | ₩78M ($54K) |
| 2023-07-07 | SELL | Market Sell | 안형준 Hyeongjun Ahn | Outside Director | -150 | ₩17,300 | +74.3% | ₩3M ($2K) |
| 2023-06-02 | BUY | Market Buy | 안형준 Hyeongjun Ahn | Outside Director | 60 | ₩19,360 | -77.0% | ₩1M ($807) |
| 2023-06-01 | BUY | Market Buy | 안형준 Hyeongjun Ahn | Outside Director | 40 | ₩19,610 | -77.3% | ₩784K ($545) |
| 2023-05-04 | BUY | Market Buy | 안형준 Hyeongjun Ahn | Outside Director | 60 | ₩22,750 | -80.5% | ₩1M ($948) |
| 2023-03-06 | BUY | Market Buy | 안형준 Hyeongjun Ahn | Outside Director | 60 | ₩27,050 | -83.6% | ₩2M ($1K) |
Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Bioinfrastructure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.