StockDriftsStockDriftsCyber One (356890) has 0 disclosed insider purchases and 3 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩305M ($212K) in reported transaction value. The earliest filing StockDrifts holds for Cyber One is dated 2024-03-29; the most recent is 2025-04-30. 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 +14.54%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2025-04-30 | SELL | Market Sell | 육동현 Yuk Dong-hyeon | CEO | -20.0K | ₩4,330 | +12.2% | ₩87M ($60K) |
| 2025-04-30 | SELL | Market Sell | 이정상 Lee Sang-sang | Managing Director | -45.0K | ₩4,330 | +12.2% | ₩195M ($135K) |
| 2025-03-07 | BUY | 주식매수청구권 행사 | 이정상 Lee Sang-sang | Managing Director | 37.5K | ₩4,115 | -7.7% | ₩154M ($107K) |
| 2025-02-27 | SELL | Market Sell | 윤희규 Hee-gyu Yoon | Managing Director | -5.0K | ₩4,700 | +19.1% | ₩24M ($16K) |
| 2025-01-16 | BUY | 수증 | 김희올 Kim Hee-ol | moving | 59.6K | ₩3,155 | +20.4% | ₩188M ($131K) |
| 2025-01-16 | BUY | 수증 | 김희망 Kim Hee-mang | Managing Director | 59.6K | ₩3,155 | +20.4% | ₩188M ($131K) |
| 2024-04-13 | BUY | 주식분할 | 김희망 Kim Hee-mang | Managing Director | 91.3K | ₩3,740 | +1.6% | ₩342M ($237K) |
| 2024-04-13 | BUY | 주식분할 | 김용옥 Kim Yong-ok | - | 2.9M | ₩3,740 | +1.6% | ₩10.7B ($7.4M) |
| 2024-04-13 | BUY | 주식분할 | 육동현 Yuk Dong-hyeon | CEO | 598.1K | ₩3,740 | +1.6% | ₩2.2B ($1.6M) |
| 2024-04-13 | BUY | 주식분할 | 윤희규 Hee-gyu Yoon | Managing Director | 3.0K | ₩3,740 | +1.6% | ₩11M ($8K) |
| 2024-04-13 | BUY | 주식분할 | 김희올 Kim Hee-ol | moving | 55.2K | ₩3,740 | +1.6% | ₩206M ($143K) |
| 2024-04-13 | BUY | 주식분할 | 이정상 Lee Sang-sang | Managing Director | 39.0K | ₩3,740 | +1.6% | ₩146M ($101K) |
| 2024-04-01 | BUY | 신규선임 | 윤희규 Hee-gyu Yoon | Managing Director | 2.0K | ₩3,780 | +0.5% | ₩8M ($5K) |
| 2024-03-31 | SELL | 임원퇴임 | 유석원 Yoo Seok-won | Managing Director | -27.0K | ₩3,780 | -0.5% | ₩102M ($71K) |
| 2024-03-29 | BUY | 신규선임 | 김희올 Kim Hee-ol | moving | 36.8K | ₩3,760 | +1.1% | ₩138M ($96K) |
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 Cyber One. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.