zienko (065060) has 2 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩45M ($31K) in reported transaction value. The earliest filing StockDrifts holds for zienko is dated 2025-04-23; the most recent is 2026-05-15. 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 -9.75%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-05-15 | BUY | 유상신주취득 | 크레오에스지 Creo SG | - | 639.7K | - | - | - |
| 2026-04-14 | SELL | 주식병합 | 크레오에스지 Creo SG | - | -2.3M | ₩574 | +0.0% | ₩1.3B ($932K) |
| 2026-04-14 | SELL | 주식병합 | 크레오에스지 Creo SG | - | -6.5M | ₩574 | +0.0% | ₩3.7B ($2.6M) |
| 2026-04-14 | SELL | 주식병합 | 조범철 Beomcheol Jo | Managing Director | -44.4K | ₩574 | +0.0% | ₩25M ($18K) |
| 2026-04-14 | SELL | 주식병합 | 김성우 Seongwoo Kim | Managing Director | -12.7K | ₩574 | +0.0% | ₩7M ($5K) |
| 2026-04-10 | BUY | 행사가액조정 | 크레오에스지 Creo SG | - | 249.9K | ₩574 | +0.0% | ₩143M ($100K) |
| 2026-03-31 | BUY | Market Buy | 김성우 Seongwoo Kim | Managing Director | 15.8K | ₩636 | -9.8% | ₩10M ($7K) |
| 2026-03-31 | BUY | Market Buy | 조범철 Beomcheol Jo | Managing Director | 55.5K | ₩636 | -9.8% | ₩35M ($24K) |
| 2025-09-10 | BUY | 기타 | 크레오에스지 Creo SG | - | 2.9M | ₩866 | -23.8% | ₩2.5B ($1.8M) |
| 2025-07-18 | BUY | 유상신주취득 | 크레오에스지 Creo SG | - | 4.8M | ₩1,141 | -42.2% | ₩5.5B ($3.8M) |
| 2025-04-23 | SELL | 자본감소 | 크레오에스지 Creo SG | - | -29.8M | ₩1,076 | +38.7% | ₩32.0B ($22.2M) |
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 zienko. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.