StockDriftsStockDriftsKumho HT (214330) has 18 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩3.0B ($2.1M) in reported transaction value. The earliest filing StockDrifts holds for Kumho HT is dated 2025-10-02; the most recent is 2026-06-09. Across these filings the average return since disclosure is -13.16%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-27 | BUY | Market Buy | 오성첨단소재 Ohsung Advanced Materials | - | 73.4K | ₩6,580 | -0.3% | ₩500M ($347K) |
| 2026-08-26 | BUY | Market Buy | 오성첨단소재 Ohsung Advanced Materials | - | 75.0K | ₩7,270 | -9.8% | ₩668M ($464K) |
| 2026-08-25 | BUY | Market Buy | 오성첨단소재 Ohsung Advanced Materials | - | 34.2K | ₩8,550 | -23.3% | ₩250M ($173K) |
| 2026-08-24 | BUY | Market Buy | 오성첨단소재 Ohsung Advanced Materials | - | 12.0K | ₩6,580 | -0.3% | ₩80M ($56K) |
| 2026-08-21 | BUY | Market Buy | 오성첨단소재 Ohsung Advanced Materials | - | 27.1K | ₩6,670 | -1.6% | ₩178M ($124K) |
| 2026-08-21 | BUY | 신규보고 | 오성첨단소재 Ohsung Advanced Materials | - | 1.2M | ₩6,670 | +28.2% | ₩8.1B ($5.6M) |
| 2026-06-09 | SELL | 자본감소 | 전철수 switchman | moving | -610 | ₩2,555 | +0.0% | ₩2M ($1K) |
| 2026-06-09 | SELL | 자본감소 | 에코볼트 Eco Bolt | - | -3.5M | ₩2,555 | +0.0% | ₩9.0B ($6.3M) |
| 2026-06-09 | SELL | 자본감소 | 김두인 Doin Kim | CEO | -35.0K | ₩2,555 | +0.0% | ₩89M ($62K) |
| 2026-06-09 | SELL | 자본감소 | 김진곤 Kim Jin-gon | CEO | -5.0K | ₩2,555 | +0.0% | ₩13M ($9K) |
| 2026-06-04 | BUY | Market Buy | 김두인 Doin Kim | CEO | 5.0K | ₩2,645 | -3.4% | ₩13M ($9K) |
| 2026-06-01 | BUY | Market Buy | 김두인 Doin Kim | CEO | 5.0K | ₩2,660 | -4.0% | ₩13M ($9K) |
| 2026-05-27 | BUY | Market Buy | 김두인 Doin Kim | CEO | 10.0K | ₩3,140 | -5.1% | ₩31M ($22K) |
| 2026-05-26 | BUY | Market Buy | 김두인 Doin Kim | CEO | 10.0K | ₩3,210 | -7.2% | ₩32M ($22K) |
| 2026-04-11 | SELL | 주식병합 | 김진곤 Kim Jin-gon | CEO | -90.3K | ₩398 | +0.0% | ₩36M ($25K) |
| 2026-04-11 | SELL | 주식병합 | 에코볼트 Eco Bolt | - | -63.5M | ₩398 | +0.0% | ₩25.3B ($17.5M) |
| 2026-04-11 | SELL | 주식병합 | 김두인 Doin Kim | CEO | -360.0K | ₩398 | +0.0% | ₩143M ($100K) |
| 2026-04-11 | SELL | 주식병합 | 전철수 switchman | moving | -11.0K | ₩398 | +0.0% | ₩4M ($3K) |
| 2026-04-11 | SELL | 주식병합 | 김두인 Doin Kim | CEO | -360.0K | ₩398 | +0.0% | ₩143M ($100K) |
| 2026-03-06 | BUY | Market Buy | 김진곤 Kim Jin-gon | CEO | 35.4K | - | - | - |
| 2026-03-06 | BUY | Market Buy | 김두인 Doin Kim | CEO | 200.0K | - | - | - |
| 2026-03-05 | BUY | Market Buy | 김진곤 Kim Jin-gon | CEO | 65.0K | - | - | - |
| 2025-10-24 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 774.7K | ₩626 | -17.3% | ₩485M ($337K) |
| 2025-10-23 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 436.8K | ₩645 | -19.7% | ₩282M ($196K) |
| 2025-10-22 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 200.0K | ₩636 | -18.6% | ₩127M ($88K) |
| 2025-10-21 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 674.7K | ₩638 | -18.8% | ₩430M ($299K) |
| 2025-10-20 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 275.0K | ₩634 | -18.3% | ₩174M ($121K) |
| 2025-10-17 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 549.9K | ₩632 | -18.0% | ₩348M ($241K) |
| 2025-10-16 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 450.5K | ₩620 | -16.4% | ₩279M ($194K) |
| 2025-10-14 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 670.7K | ₩609 | -14.9% | ₩408M ($284K) |
| 2025-10-13 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 51.5K | ₩602 | -13.9% | ₩31M ($22K) |
| 2025-10-10 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 579.2K | ₩579 | -10.5% | ₩335M ($233K) |
| 2025-10-02 | BUY | Market Buy | 에코볼트 Eco Bolt | - | 60.0K | ₩584 | -11.3% | ₩35M ($24K) |
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.