SOUTH KOREA · OPENDART
Hyosung Heavy Industries Corporation
효성중공업 · 298040 · KOSPI · Industrials · Electrical Equipment & Parts
Score
Not ranked: no net buying on the exchange by an individual insider in the last 180 days.
Insiders' buying price vs the latest close
Insiders paid 2,255,274.59 KRW a share on average (5 purchase lines, 2 buyers, 2026-01-12 – 2026-04-07). The close on 2026-10-16 was 14.6% below that price.
The latest purchase (2026-04-07) was at 2,593,100.00 KRW; the close was 25.7% below that price.
Prices paid are weighted by shares and taken from the filings; dividends are not counted. Not scored.
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.
| Trade date | Insider | Role | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-07 | Cho Hyeon-sang | 10% shareholder | Bought on the exchange | 70 | ₩2,593,100 | ₩181.5M | DART ↗ |
| 2026-04-02 | Cho Hyeon-sang | 10% shareholder | Bought on the exchange | 200 | ₩2,531,450 | ₩506.3M | DART ↗ |
| 2026-03-31 | Cho Hyeon-sang | 10% shareholder | Bought on the exchange | 400 | ₩2,464,703 | ₩985.9M | DART ↗ |
| 2026-03-30 | Cho Hyeon-sang | 10% shareholder | Bought on the exchange | 600 | ₩2,496,687 | ₩1.5B | DART ↗ |
| 2026-01-12 | Cho Hyeon-jun | Inside director | Bought on the exchange | 1,135 | ₩1,984,348 | ₩2.3B | DART ↗ |
Other changes in holdings · 60
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 |
|---|---|---|---|---|---|
| 2026-09-28 | Cho Hyeon-jun | Inside director | Off-hour trading(+) | 450 | DART ↗ |
| 2026-07-30 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 263 | DART ↗ |
| 2026-07-30 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,729 | DART ↗ |
| 2026-07-29 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 764 | DART ↗ |
| 2026-07-29 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,671 | DART ↗ |
| 2026-07-28 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 1,317 | DART ↗ |
| 2026-07-28 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 897 | DART ↗ |
| 2026-07-27 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 750 | DART ↗ |
| 2026-07-27 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 600 | DART ↗ |
| 2026-07-24 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 2,259 | DART ↗ |
| 2026-07-24 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,261 | DART ↗ |
| 2026-07-23 | National Pension Service | 10% shareholder | New report(+) | 930,779 | DART ↗ |
| 2026-07-23 | National Pension Service | 10% shareholder | New major shareholders(+) | 2,665 | DART ↗ |
| 2026-07-23 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 190 | DART ↗ |
| 2026-07-22 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 749 | DART ↗ |
| 2026-07-22 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 3,073 | DART ↗ |
| 2026-07-21 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 2,539 | DART ↗ |
| 2026-07-21 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 3,406 | DART ↗ |
| 2026-07-20 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 326 | DART ↗ |
| 2026-07-20 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 2,721 | DART ↗ |
| 2026-07-16 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 333 | DART ↗ |
| 2026-07-16 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 2,359 | DART ↗ |
| 2026-07-15 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 750 | DART ↗ |
| 2026-07-15 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 486 | DART ↗ |
| 2026-07-14 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 855 | DART ↗ |
| 2026-07-14 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 825 | DART ↗ |
| 2026-07-13 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 1,243 | DART ↗ |
| 2026-07-13 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 66 | DART ↗ |
| 2026-07-10 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 792 | DART ↗ |
| 2026-07-10 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 5,082 | DART ↗ |
| 2026-07-09 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 136 | DART ↗ |
| 2026-07-09 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 879 | DART ↗ |
| 2026-07-08 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 210 | DART ↗ |
| 2026-07-08 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 3,161 | DART ↗ |
| 2026-07-07 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 857 | DART ↗ |
| 2026-07-07 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 237 | DART ↗ |
| 2026-07-06 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 994 | DART ↗ |
| 2026-07-03 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 1,682 | DART ↗ |
| 2026-07-03 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 930 | DART ↗ |
| 2026-07-02 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 3,562 | DART ↗ |
| 2026-07-02 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 252 | DART ↗ |
| 2026-07-01 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 2,140 | DART ↗ |
| 2026-07-01 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,302 | DART ↗ |
| 2026-06-30 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 9 | DART ↗ |
| 2026-06-30 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,140 | DART ↗ |
| 2026-06-29 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 1,021 | DART ↗ |
| 2026-06-29 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 3,429 | DART ↗ |
| 2026-06-26 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 207 | DART ↗ |
| 2026-06-26 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 3,135 | DART ↗ |
| 2026-06-25 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 2,235 | DART ↗ |
| 2026-06-25 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 847 | DART ↗ |
| 2026-06-24 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 2,757 | DART ↗ |
| 2026-06-24 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 867 | DART ↗ |
| 2026-06-23 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 4,359 | DART ↗ |
| 2026-06-23 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,950 | DART ↗ |
| 2026-06-22 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 385 | DART ↗ |
| 2026-06-22 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 1,834 | DART ↗ |
| 2026-06-19 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 571 | DART ↗ |
| 2026-06-19 | National Pension Service | 10% shareholder | Disposal in exchange(-) | 760 | DART ↗ |
| 2026-06-18 | National Pension Service | 10% shareholder | Acquisition in exchange(+) | 5,748 | DART ↗ |