StockDriftsStockDriftsBioneer (064550) has 2 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩75M ($52K) in reported transaction value. The earliest filing StockDrifts holds for Bioneer is dated 2024-05-13; the most recent is 2026-01-28. 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 -23.17%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-01-28 | SELL | 증여 | 박한오 Park Han-oh | CEO | -30.1K | ₩13,790 | +6.8% | ₩415M ($288K) |
| 2026-01-28 | SELL | 증여 | 박한오 Park Han-oh | CEO | -30.1K | ₩13,790 | +6.8% | ₩415M ($288K) |
| 2025-12-31 | BUY | PROGRAM | 이중열 double row | Managing Director | 100 | ₩12,690 | +1.3% | ₩1M ($881) |
| 2025-12-31 | BUY | PROGRAM | 오종억 Jong-Eok Oh | moving | 701 | ₩12,690 | +1.3% | ₩9M ($6K) |
| 2025-12-31 | BUY | PROGRAM | 이삼용 Lee Sam-yong | moving | 467 | ₩12,690 | +1.3% | ₩6M ($4K) |
| 2025-12-31 | BUY | PROGRAM | 한은수 Eunsoo Han | moving | 234 | ₩12,690 | +1.3% | ₩3M ($2K) |
| 2025-12-31 | BUY | PROGRAM | 이찬효 Chanhyo Lee | Managing Director | 593 | ₩12,690 | +1.3% | ₩8M ($5K) |
| 2025-12-31 | BUY | PROGRAM | 김성태 Seongtae Kim | Managing Director | 1.3K | ₩12,690 | +1.3% | ₩16M ($11K) |
| 2025-12-31 | BUY | PROGRAM | 기혜나 Kihye-na | moving | 84 | ₩12,690 | +1.3% | ₩1M ($740) |
| 2025-12-31 | BUY | PROGRAM | 이상규 Lee Sang-gyu | moving | 467 | ₩12,690 | +1.3% | ₩6M ($4K) |
| 2025-12-31 | BUY | PROGRAM | 함정훈 Ham Jeong-hoon | moving | 332 | ₩12,690 | +1.3% | ₩4M ($3K) |
| 2025-06-04 | BUY | 콜옵션권리행사에따른주식취득 | 이중열 double row | Managing Director | 2.6K | ₩15,980 | -19.6% | ₩42M ($29K) |
| 2025-02-27 | BUY | Market Buy | 박한오 Park Han-oh | CEO | 3.0K | ₩15,260 | -15.8% | ₩46M ($32K) |
| 2025-01-21 | BUY | Market Buy | 변태진 Pervert Jin | Managing Director | 1.6K | ₩18,500 | -30.5% | ₩29M ($20K) |
| 2024-07-19 | BUY | 콜옵션권리행사에따른주식취득 | 이삼용 Lee Sam-yong | moving | 2.0K | ₩34,850 | -63.1% | ₩70M ($48K) |
| 2024-05-13 | BUY | 콜옵션권리행사에따른주식취득 | 이중열 double row | Managing Director | 3.0K | ₩30,400 | -57.7% | ₩91M ($63K) |
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 Bioneer. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.