Kostek System (169670) has 13 disclosed insider purchases and 0 disclosed disposals on record, filed by 6 distinct insiders. Together those filings cover ₩72M ($50K) in reported transaction value. The earliest filing StockDrifts holds for Kostek System is dated 2023-03-29; the most recent is 2024-06-20. 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 -53.99%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2024-06-20 | BUY | Market Buy | 배준호 Junho Bae | CEO | 3.0K | ₩12,600 | -52.5% | ₩38M ($26K) |
| 2024-04-17 | BUY | Market Buy | 배주섭 Bae Joo-seop | Managing Director | 80 | ₩13,270 | -54.9% | ₩1M ($737) |
| 2024-04-17 | BUY | Market Buy | 이원규 Wonkyu Lee | Managing Director | 50 | ₩13,270 | -54.9% | ₩664K ($461) |
| 2024-04-11 | BUY | Market Buy | 신재혁 Jaehyuk Shin | Managing Director | 100 | ₩13,200 | -54.6% | ₩1M ($917) |
| 2024-04-11 | BUY | Market Buy | 이종영 Jongyoung Lee | Managing Director | 100 | ₩13,200 | -54.6% | ₩1M ($917) |
| 2024-04-09 | BUY | 신규보고 | 이종영 Jongyoung Lee | Managing Director | 12.0K | ₩15,250 | -60.7% | ₩183M ($127K) |
| 2024-04-09 | BUY | 신규보고 | 배주섭 Bae Joo-seop | Managing Director | 12.0K | ₩15,250 | -60.7% | ₩183M ($127K) |
| 2024-04-09 | BUY | 신규보고 | 신재혁 Jaehyuk Shin | Managing Director | 5.1K | ₩15,250 | -60.7% | ₩78M ($54K) |
| 2024-04-05 | BUY | Market Buy | 김용섭 Yongseop Kim | Managing Director | 337 | ₩14,590 | -58.9% | ₩5M ($3K) |
| 2024-04-03 | BUY | Market Buy | 배준호 Junho Bae | CEO | 1.0K | ₩12,560 | -52.3% | ₩13M ($9K) |
| 2024-04-01 | BUY | Market Buy | 배준호 Junho Bae | CEO | 100 | ₩12,800 | -53.2% | ₩1M ($889) |
| 2024-04-01 | BUY | Market Buy | 배준호 Junho Bae | CEO | 32 | ₩12,800 | -53.2% | ₩410K ($284) |
| 2024-04-01 | BUY | Market Buy | 배준호 Junho Bae | CEO | 175 | ₩12,800 | -53.2% | ₩2M ($2K) |
| 2024-04-01 | BUY | Market Buy | 배준호 Junho Bae | CEO | 600 | ₩12,800 | -53.2% | ₩8M ($5K) |
| 2024-04-01 | BUY | Market Buy | 배준호 Junho Bae | CEO | 11 | ₩12,800 | -53.2% | ₩141K ($98) |
| 2024-04-01 | BUY | Market Buy | 배준호 Junho Bae | CEO | 82 | ₩12,800 | -53.2% | ₩1M ($729) |
| 2023-03-29 | BUY | 신규보고 | 김용섭 Yongseop Kim | Managing Director | 7.7K | ₩6,800 | -11.9% | ₩53M ($37K) |
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 Kostek System. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.