StockDriftsStockDriftsJ2K Bio (420570) has 2 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩36M ($25K) in reported transaction value. The earliest filing StockDrifts holds for J2K Bio is dated 2024-03-25; the most recent is 2026-05-07. Across these filings the average return since disclosure is +31.69%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-25 | SELL | Market Sell | 배준태 Juntae Bae | moving | -12.0K | ₩9,810 | -8.2% | ₩115M ($80K) |
| 2026-05-07 | BUY | Market Buy | 김석종 Seokjong Kim | Managing Director | 2.3K | ₩7,870 | +33.4% | ₩18M ($13K) |
| 2026-05-06 | BUY | Market Buy | 김석종 Seokjong Kim | Managing Director | 2.1K | ₩8,080 | +29.9% | ₩17M ($12K) |
| 2024-03-25 | BUY | 무상신주취득 | 김석종 Seokjong Kim | Managing Director | 930.0K | ₩26,000 | -67.5% | ₩24.2B ($16.8M) |
| 2024-03-25 | BUY | 무상신주취득 | 배준태 Juntae Bae | moving | 139.5K | ₩26,000 | -67.5% | ₩3.6B ($2.5M) |
| 2024-03-25 | BUY | 무상신주취득 | 이재섭 Jaeseop Lee | CEO | 1.4M | ₩26,000 | -67.5% | ₩37.5B ($26.0M) |
| 2024-03-25 | BUY | 무상신주취득 | 김대찬 Daechan Kim | Managing Director | 930.0K | ₩26,000 | -67.5% | ₩24.2B ($16.8M) |
Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.