bionote (377740) has 4 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩19M ($13K) in reported transaction value. The earliest filing StockDrifts holds for bionote is dated 2024-02-29; the most recent is 2026-05-27. Across these filings the average return since disclosure is +15.53%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-05-27 | BUY | Market Buy | 박철세 Park Cheol-se | Outside Director | 1.9K | ₩5,000 | -4.6% | ₩10M ($7K) |
| 2026-04-15 | BUY | 주식매수청구권 행사 | 김일중 Kim Il-jung | Managing Director | 160.0K | ₩5,040 | +1.8% | ₩806M ($560K) |
| 2026-03-06 | BUY | Market Buy | 박철세 Park Cheol-se | Outside Director | 2.0K | - | - | - |
| 2026-03-05 | BUY | 주식매수선택권 | 조병기 Cho Byeong-gi | CEO | 320.0K | - | - | - |
| 2026-03-05 | BUY | Market Buy | 박철세 Park Cheol-se | Outside Director | 2.0K | - | - | - |
| 2025-02-05 | SELL | 증여 | 조영식 Cho Young-sik | Chairman | -10.0M | ₩4,850 | -24.7% | ₩48.5B ($33.7M) |
| 2025-02-05 | BUY | 수증 | 조혜임 Jo Hye-im | Managing Director | 10.0M | ₩4,850 | +24.7% | ₩48.5B ($33.7M) |
| 2024-04-12 | BUY | 신규선임 | 조혜임 Jo Hye-im | Managing Director | 6.7M | ₩4,040 | +49.8% | ₩27.2B ($18.9M) |
| 2024-02-29 | BUY | Market Buy | 박철세 Park Cheol-se | Outside Director | 2.0K | ₩4,460 | +35.6% | ₩9M ($6K) |
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.