StockDriftsStockDriftsIstaco (015020) has 0 disclosed insider purchases and 4 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩516M ($359K) in reported transaction value. The earliest filing StockDrifts holds for Istaco is dated 2024-12-09; the most recent is 2025-12-30. Across these filings the average return since disclosure is +77.94%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2025-12-30 | SELL | 장외매도 | 김승제 Seungje Kim | Chairman | -1.8M | ₩592 | +29.9% | ₩1.1B ($740K) |
| 2025-05-30 | SELL | 장외매도 | 김승제 Seungje Kim | Chairman | -500.0K | ₩997 | +58.4% | ₩499M ($346K) |
| 2025-03-07 | SELL | 장외매도 | 김승제 Seungje Kim | Chairman | -874.7K | ₩1,740 | +76.2% | ₩1.5B ($1.1M) |
| 2024-12-20 | SELL | Market Sell | 김승제 Seungje Kim | Chairman | -80.0K | ₩1,585 | +73.8% | ₩127M ($88K) |
| 2024-12-13 | SELL | Market Sell | 김승제 Seungje Kim | Chairman | -30.0K | ₩2,230 | +81.4% | ₩67M ($46K) |
| 2024-12-10 | SELL | Market Sell | 김승제 Seungje Kim | Chairman | -70.0K | ₩2,195 | +81.1% | ₩154M ($107K) |
| 2024-12-09 | SELL | Market Sell | 김승제 Seungje Kim | Chairman | -100.0K | ₩1,691 | +75.5% | ₩169M ($117K) |
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.