StockDriftsStockDriftsJC Chemical (137950) has 30 disclosed insider purchases and 0 disclosed disposals on record, filed by 14 distinct insiders. Together those filings cover ₩684M ($475K) in reported transaction value. The earliest filing StockDrifts holds for JC Chemical is dated 2024-06-07; the most recent is 2026-06-29. 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 -33.37%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-06-29 | BUY | Market Buy | 김지용 Jiyong Kim | CEO | 7.0K | - | - | - |
| 2026-04-29 | BUY | 자사주상여금 | 방기석 Ki-seok Bang | vice president | 700 | ₩4,665 | -8.5% | ₩3M ($2K) |
| 2026-04-29 | BUY | 자사주상여금 | 김지용 Jiyong Kim | CEO | 700 | ₩4,665 | -8.5% | ₩3M ($2K) |
| 2026-03-31 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 15.0K | ₩4,935 | -11.3% | ₩74M ($51K) |
| 2026-03-27 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 3.0K | ₩4,685 | -6.6% | ₩14M ($10K) |
| 2026-03-26 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 2.0K | ₩4,785 | -8.6% | ₩10M ($7K) |
| 2026-01-01 | BUY | 신규선임 | 김의진 Kim Eui-jin | Internal director | 136.0K | ₩3,165 | +8.5% | ₩431M ($299K) |
| 2025-03-25 | BUY | 수증 | 김의윤 Kim Eui-yoon | CEO | 25.0K | ₩3,875 | -11.3% | ₩97M ($67K) |
| 2025-03-25 | SELL | 증여 | 김수남 Kim Soo-nam | Internal director | -25.0K | ₩3,875 | +11.3% | ₩97M ($67K) |
| 2024-08-07 | BUY | Market Buy | 박기동 Park Ki-dong | Other non-executive directors | 4.0K | ₩4,850 | -29.2% | ₩19M ($13K) |
| 2024-07-16 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 4.6K | ₩5,310 | -35.3% | ₩24M ($17K) |
| 2024-07-15 | BUY | Market Buy | 윤여훈 Yeohoon Yoon | moving | 2.4K | ₩5,380 | -36.1% | ₩13M ($9K) |
| 2024-07-15 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 2.3K | ₩5,380 | -36.1% | ₩12M ($9K) |
| 2024-07-12 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 13.5K | ₩5,420 | -36.6% | ₩73M ($51K) |
| 2024-07-11 | BUY | Market Buy | 윤여훈 Yeohoon Yoon | moving | 1.3K | ₩5,420 | -36.6% | ₩7M ($5K) |
| 2024-07-11 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 7.0K | ₩5,420 | -36.6% | ₩38M ($26K) |
| 2024-07-10 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 11.0K | ₩5,440 | -36.9% | ₩60M ($42K) |
| 2024-07-09 | BUY | Market Buy | 김수남 Kim Soo-nam | Internal director | 17.0K | ₩5,430 | -36.7% | ₩92M ($64K) |
| 2024-07-04 | BUY | Market Buy | 이정훈 Jeonghoon Lee | Managing Director | 600 | ₩5,420 | -36.6% | ₩3M ($2K) |
| 2024-07-04 | BUY | Market Buy | 김의윤 Kim Eui-yoon | CEO | 4.0K | ₩5,420 | -36.6% | ₩22M ($15K) |
| 2024-07-03 | BUY | Market Buy | 이정훈 Jeonghoon Lee | Managing Director | 3.1K | ₩5,370 | -36.0% | ₩17M ($12K) |
| 2024-07-02 | BUY | Market Buy | 이윤희 Yunhee Lee | CEO | 1.9K | ₩5,480 | -37.3% | ₩11M ($7K) |
| 2024-07-01 | BUY | Market Buy | 김지용 Jiyong Kim | vice president | 3.7K | ₩5,380 | -36.1% | ₩20M ($14K) |
| 2024-07-01 | BUY | Market Buy | 이윤희 Yunhee Lee | CEO | 67 | ₩5,380 | -36.1% | ₩360K ($250) |
| 2024-07-01 | BUY | Market Buy | 안정모 An Jeong-mo | Managing Director | 1.0K | ₩5,380 | -36.1% | ₩5M ($4K) |
| 2024-07-01 | BUY | Market Buy | 윤사호 Saho Yoon | Internal director | 22 | ₩5,380 | -36.1% | ₩118K ($82) |
| 2024-07-01 | BUY | Market Buy | 이준룡 Lee Jun-ryong | Managing Director | 4.2K | ₩5,380 | -36.1% | ₩22M ($16K) |
| 2024-06-28 | BUY | Market Buy | 김재원 Jaewon Kim | moving | 3.6K | ₩5,440 | -36.9% | ₩20M ($14K) |
| 2024-06-28 | BUY | Market Buy | 서유현 Seo Yoohyeon | Managing Director | 3.6K | ₩5,440 | -36.9% | ₩20M ($14K) |
| 2024-06-28 | BUY | Market Buy | 안정모 An Jeong-mo | Managing Director | 4.0K | ₩5,440 | -36.9% | ₩22M ($15K) |
| 2024-06-28 | BUY | Market Buy | 이윤희 Yunhee Lee | CEO | 2.0K | ₩5,440 | -36.9% | ₩11M ($8K) |
| 2024-06-28 | BUY | Market Buy | 정원호 Jeong Won-ho | moving | 4.0K | ₩5,440 | -36.9% | ₩22M ($15K) |
| 2024-06-28 | BUY | Market Buy | 윤병일 Byungil Yoon | vice president | 3.6K | ₩5,440 | -36.9% | ₩20M ($14K) |
| 2024-06-28 | BUY | Market Buy | 윤사호 Saho Yoon | Internal director | 4.1K | ₩5,440 | -36.9% | ₩22M ($15K) |
| 2024-06-07 | BUY | Market Buy | 이윤희 Yunhee Lee | CEO | 2.0K | ₩5,330 | -35.5% | ₩11M ($7K) |
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 JC Chemical. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.