StockDriftsStockDriftsNext Biomedical (389650) has 2 disclosed insider purchases and 3 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩1.9B ($1.3M) in reported transaction value. The earliest filing StockDrifts holds for Next Biomedical is dated 2024-08-20; the most recent is 2026-06-24. 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 -6.40%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-06-24 | BUY | Market Buy | 남동흔 Nam Dong-heun | moving | 1.0K | ₩41,900 | -9.9% | ₩42M ($29K) |
| 2026-06-18 | BUY | Market Buy | 강철중 Steel middle school | Managing Director | 2.0K | ₩40,150 | -6.0% | ₩80M ($56K) |
| 2026-05-20 | BUY | 주식매수청구권 행사 | 한명식 Han Myeong-sik | moving | 750 | ₩47,000 | -6.6% | ₩35M ($24K) |
| 2026-05-01 | BUY | 신규선임 | 한명식 Han Myeong-sik | moving | 1.0K | - | - | - |
| 2025-12-01 | SELL | Market Sell | 이은혜 Eunhye Lee | Managing Director | -1.1K | ₩89,000 | +13.2% | ₩96M ($66K) |
| 2025-10-28 | BUY | 주식매수선택권 | 이은혜 Eunhye Lee | Managing Director | 15.0K | ₩63,400 | +21.9% | ₩951M ($660K) |
| 2025-10-24 | SELL | Market Sell | 이은혜 Eunhye Lee | Managing Director | -9.4K | ₩60,400 | -28.0% | ₩568M ($394K) |
| 2025-09-08 | SELL | Market Sell | 이은혜 Eunhye Lee | Managing Director | -15.0K | ₩76,300 | -1.3% | ₩1.1B ($795K) |
| 2025-09-04 | SELL | 증여 | 이은혜 Eunhye Lee | Managing Director | -8.1K | ₩69,900 | -10.6% | ₩564M ($392K) |
| 2024-09-26 | BUY | 주식매수선택권 | 이은혜 Eunhye Lee | Managing Director | 35.4K | ₩43,750 | +76.7% | ₩1.5B ($1.1M) |
| 2024-09-26 | BUY | 주식매수선택권 | 박세환 Park Se-hwan | Managing Director | 21.6K | ₩43,750 | +76.7% | ₩945M ($657K) |
| 2024-09-26 | BUY | 주식매수선택권 | 홍순석 Soonseok Hong | moving | 21.6K | ₩43,750 | +76.7% | ₩945M ($657K) |
| 2024-08-20 | BUY | 신규상장 | 이돈행 To this money | moving | 2.1M | ₩23,700 | +226.2% | ₩50.7B ($35.2M) |
| 2024-08-20 | BUY | 신규상장 | 홍순석 Soonseok Hong | moving | 15.0K | ₩23,700 | +226.2% | ₩355M ($246K) |
| 2024-08-20 | BUY | 신규상장 | 이득춘 Deukchun Lee | moving | 31.5K | ₩23,700 | +226.2% | ₩746M ($518K) |
| 2024-08-20 | BUY | 신규상장 | 박세환 Park Se-hwan | moving | 15.1K | ₩23,700 | +226.2% | ₩357M ($248K) |
| 2024-08-20 | BUY | 신규상장 | 이은혜 Eunhye Lee | moving | 8.1K | ₩23,700 | +226.2% | ₩191M ($133K) |
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 Next Biomedical. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.