SOUTH KOREA · OPENDART
SUNGWON ENER TECH CO., LTD.
성원에너텍 · 340930 · KOSDAQ
Score
Not ranked: no net buying on the exchange by an individual insider in the last 180 days.
Insider trades on the exchange
Purchases and sales on the exchange in the last 12 months. The filing gives the settlement date; the trade date is two trading days earlier.
No exchange purchase by an insider is on record yet.
Other changes in holdings · 32
Option exercises, grants, new shares, inheritance, gifts, off-exchange trades and trades by companies and funds. Not counted in the score.
| Date | Insider | Role | Reason | Shares | Filing |
|---|---|---|---|---|---|
| 2026-05-31 | Lee Kang Soo | Senior managing director | Executive retirement(-) | 23,435 | DART ↗ |
| 2026-03-31 | Kim Byoung yeul | Senior managing director | Termination of special relationship(-) | 2,887,462 | DART ↗ |
| 2026-03-18 | Chung Youn Gil | CEO | Disposal in OTC(-) | 1,200,000 | DART ↗ |
| 2026-02-26 | Chung Youn Gil | CEO | Disposal in OTC(-) | 1,200,000 | DART ↗ |
| 2026-02-20 | Chung Youn Gil | CEO | Disposal in OTC(-) | 1,200,000 | DART ↗ |
| 2026-02-20 | Chung Youn Gil | CEO | Disposal in OTC(-) | 1,200,000 | DART ↗ |
| 2026-02-13 | Chung Youn Gil | CEO | Disposal in OTC(-) | 1,200,000 | DART ↗ |
| 2026-01-29 | Lee Kang Soo | Senior managing director | Acquisition of new shares without compensation(+) | 5,408 | DART ↗ |
| 2026-01-29 | Kim Byoung yeul | Senior managing director | Acquisition of new shares without compensation(+) | 666,337 | DART ↗ |
| 2026-01-29 | Chung Youn Gil | CEO | Acquisition of new shares without compensation(+) | 4,409,467 | DART ↗ |
| 2025-12-30 | Chung Youn Gil | CEO | Others(-) | 2,085,776 | DART ↗ |
| 2025-12-30 | Chung Youn Gil | CEO | Acquisition of paid-in new shares(+) | 2,085,776 | DART ↗ |
| 2025-12-20 | Lee Kang Yoon | Director | Executive retirement(-) | 729,000 | DART ↗ |
| 2025-12-20 | Lee Kang Yoon | Director | Executive retirement(-) | 70,000 | DART ↗ |
| 2025-12-11 | Chung Youn Gil | CEO | Disposal in exchange(-) | 280,000 | DART ↗ |
| 2025-12-10 | Chung Youn Gil | CEO | Disposal in exchange(-) | 220,000 | DART ↗ |
| 2025-12-10 | Chung Youn Gil | CEO | Disposal in OTC(-) | 2,200,000 | DART ↗ |
| 2025-12-09 | Chung Youn Gil | CEO | Disposal in exchange(-) | 334,286 | DART ↗ |
| 2025-12-08 | Lee Kang Soo | Senior managing director | Disposal in exchange(-) | 9,937 | DART ↗ |
| 2025-12-08 | Kim Byoung yeul | Senior managing director | Disposal in exchange(-) | 275,595 | DART ↗ |
| 2025-12-08 | Lee Kang Yoon | Director | Disposal in exchange(-) | 30,000 | DART ↗ |
| 2025-12-08 | Chung Youn Gil | CEO | Disposal in exchange(-) | 768,640 | DART ↗ |
| 2025-12-05 | Kim Byoung yeul | Senior managing director | Disposal in exchange(-) | 948,795 | DART ↗ |
| 2025-12-05 | Lee Kang Yoon | Director | Disposal in exchange(-) | 301,859 | DART ↗ |
| 2025-12-05 | Chung Youn Gil | CEO | Disposal in exchange(-) | 1,063,882 | DART ↗ |
| 2025-11-26 | Kim Byoung yeul | Senior managing director | Others(+) | 1,224,390 | DART ↗ |
| 2025-11-26 | Lee Kang Soo | Senior managing director | Others(+) | 9,937 | DART ↗ |
| 2025-11-26 | Lee Kang Yoon | Director | Others(+) | 401,859 | DART ↗ |
| 2025-11-26 | Chung Youn Gil | CEO | Others(+) | 6,952,584 | DART ↗ |
| 2025-10-31 | Cho Hee Jun | Director | Executive retirement(-) | 1,128,000 | DART ↗ |
| 2025-05-31 | Jun Ho Chun | Vice president | Executive retirement(-) | 348,373 | DART ↗ |
| 2024-10-17 | Lee Kang Soo | Senior managing director | Others(+) | 909 | DART ↗ |