StockDriftsStockDriftsHyosung Chemical (298000) has 1 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩6M ($4K) in reported transaction value. The earliest filing StockDrifts holds for Hyosung Chemical is dated 2024-03-18; the most recent is 2025-12-03. 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 -38.06%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-06 | BUY | 시간외매매 | 조현준 Hyunjun Cho | - | 23.4K | ₩67,400 | +5.5% | ₩1.5B ($1.0M) |
| 2025-12-03 | BUY | CB인수 | 효성 Hyosung | - | 2.6M | - | - | - |
| 2024-08-23 | SELL | 피상속 | 조석래 Seok-rae Jo | - | -47.9K | ₩47,650 | +18.4% | ₩2.3B ($1.6M) |
| 2024-05-27 | SELL | 증여 | 조석래 Seok-rae Jo | - | -58.0K | ₩63,300 | +38.5% | ₩3.7B ($2.6M) |
| 2024-05-27 | BUY | 상속 | 조현준 Hyunjun Cho | - | 58.0K | ₩63,300 | -38.5% | ₩3.7B ($2.6M) |
| 2024-05-24 | BUY | 상속 | 조현준 Hyunjun Cho | - | 132.8K | ₩63,500 | -38.7% | ₩8.4B ($5.9M) |
| 2024-05-24 | SELL | 증여 | 조석래 Seok-rae Jo | - | -132.8K | ₩63,500 | +38.7% | ₩8.4B ($5.9M) |
| 2024-03-18 | BUY | Market Buy | 조성민 Jo Seong-min | Managing Director | 100 | ₩62,800 | -38.1% | ₩6M ($4K) |
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 Hyosung Chemical. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.