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. 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 +31.69%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 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 | 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) |
| 2024-03-25 | BUY | 무상신주취득 | 김석종 Seokjong Kim | Managing Director | 930.0K | ₩26,000 | -67.5% | ₩24.2B ($16.8M) |
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 J2K Bio. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.