open base (049480) has 7 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩1.0B ($715K) in reported transaction value. The earliest filing StockDrifts holds for open base is dated 2024-08-07; the most recent is 2024-08-16. Across these filings the average return since disclosure is -0.85%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-09-01 | BUY | 수증 | 정주영 Jooyoung Jeong | moving | 6.0M | ₩1,873 | -1.8% | ₩11.2B ($7.8M) |
| 2026-09-01 | SELL | 증여 | 정진섭 Jeong Jin-seop | Chairman | -6.0M | ₩1,873 | +1.8% | ₩11.2B ($7.8M) |
| 2024-08-16 | BUY | Market Buy | 정진섭 Jeong Jin-seop | Chairman | 26.0K | ₩2,405 | -0.8% | ₩63M ($43K) |
| 2024-08-16 | BUY | Market Buy | 정진섭 Jeong Jin-seop | Chairman | 133.0K | ₩2,405 | -0.8% | ₩320M ($222K) |
| 2024-08-14 | BUY | Market Buy | 정진섭 Jeong Jin-seop | Chairman | 68.8K | ₩2,450 | -2.6% | ₩169M ($117K) |
| 2024-08-13 | BUY | Market Buy | 정진섭 Jeong Jin-seop | Chairman | 98.4K | ₩2,435 | -2.0% | ₩240M ($166K) |
| 2024-08-12 | BUY | Market Buy | 정진섭 Jeong Jin-seop | Chairman | 51.7K | ₩2,440 | -2.3% | ₩126M ($88K) |
| 2024-08-09 | BUY | Market Buy | 정진섭 Jeong Jin-seop | Chairman | 37.5K | ₩2,405 | -0.8% | ₩90M ($63K) |
| 2024-08-07 | BUY | Market Buy | 곽규혁 Gyuhyuk Kwak | Managing Director | 10.0K | ₩2,305 | +3.5% | ₩23M ($16K) |
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.