| Date | Type | Source | Insider | Position | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-04-22 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 3.3K | ₩19,760 | +0.5% | ₩65M ($45K) |
| 2026-04-21 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 6.3K | ₩19,520 | +1.7% | ₩123M ($86K) |
| 2026-04-20 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 11.8K | ₩19,400 | +2.4% | ₩229M ($159K) |
| 2026-04-17 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 28.0K | ₩19,450 | +2.1% | ₩545M ($379K) |
| 2026-04-16 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 527 | ₩19,690 | +0.9% | ₩10M ($7K) |
| 2026-02-04 | BUY | Market Buy | 이성환 Seonghwan Lee | Managing Director | 2.0K | ₩16,250 | +12.3% | ₩33M ($23K) |
| 2026-02-02 | BUY | Market Buy | 이창섭 Changseop Lee | Managing Director | 2.0K | ₩15,510 | +17.7% | ₩31M ($22K) |
| 2026-01-21 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩15,230 | +19.8% | ₩152M ($106K) |
| 2025-07-07 | BUY | 기타 | 전성호 Seongho Jeon | CEO | 1.0M | ₩16,930 | +7.8% | ₩17.7B ($12.3M) |
| 2025-07-03 | BUY | Market Buy | 전세욱 Jeon Se-wook | Managing Director | 6.2K | ₩16,710 | +9.2% | ₩103M ($72K) |
| 2025-07-02 | BUY | Market Buy | 전동욱 Jeon Dong-wook | Managing Director | 6.3K | ₩16,010 | +14.0% | ₩100M ($69K) |
| 2025-07-01 | BUY | Market Buy | 김재원 Jaewon Kim | Managing Director | 10.0K | ₩16,020 | +13.9% | ₩160M ($111K) |
| 2025-07-01 | BUY | Market Buy | 오염호 polluted lake | Managing Director | 2.0K | ₩16,020 | +13.9% | ₩32M ($22K) |
| 2025-06-30 | SELL | 임원퇴임 | 구다완 Gudawan | Managing Director | -90.0K | ₩15,900 | -14.8% | ₩1.4B ($994K) |
| 2025-06-30 | BUY | Market Buy | 이성환 Seonghwan Lee | Managing Director | 2.0K | ₩15,900 | +14.8% | ₩32M ($22K) |
| 2025-03-29 | BUY | 신규선임 | 이병국 Lee Byung-guk | Outside Director | 1.3K | ₩16,660 | +9.5% | ₩21M ($14K) |
| 2025-03-14 | SELL | 임원퇴임 | 송용근 Song Yong-geun | Managing Director | -39.2K | ₩17,750 | -2.8% | ₩695M ($483K) |
| 2025-03-14 | SELL | 임원퇴임 | 신정훈 Shin Jeong-hoon | Managing Director | -11.8K | ₩17,750 | -2.8% | ₩210M ($146K) |
| 2025-01-01 | BUY | 신규선임 | 김한성 Hanseong Kim | Managing Director | 7.0K | ₩19,850 | -8.1% | ₩139M ($97K) |
| 2025-01-01 | BUY | 신규선임 | 박민철 Park Min-cheol | Managing Director | 13.9K | ₩19,850 | -8.1% | ₩276M ($192K) |
| 2024-09-04 | BUY | Market Buy | 전동욱 Jeon Dong-wook | Managing Director | 19.5K | ₩19,900 | -8.3% | ₩388M ($269K) |
| 2024-09-04 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 20.0K | ₩19,900 | -8.3% | ₩398M ($276K) |
| 2024-09-03 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩19,900 | -8.3% | ₩199M ($138K) |
| 2024-09-03 | BUY | Market Buy | 전동욱 Jeon Dong-wook | Managing Director | 10.0K | ₩19,900 | -8.3% | ₩199M ($138K) |
| 2024-09-02 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩19,900 | -8.3% | ₩199M ($138K) |
| 2024-09-02 | BUY | Market Buy | 전동욱 Jeon Dong-wook | Managing Director | 2.0K | ₩19,900 | -8.3% | ₩40M ($28K) |
| 2024-08-30 | BUY | Market Buy | 전동욱 Jeon Dong-wook | Managing Director | 10.0K | ₩18,920 | -3.5% | ₩189M ($131K) |
| 2024-08-30 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩18,920 | -3.5% | ₩189M ($131K) |
| 2024-08-29 | BUY | Market Buy | 전동욱 Jeon Dong-wook | Managing Director | 10.0K | ₩18,780 | -2.8% | ₩188M ($130K) |
| 2024-08-29 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩18,780 | -2.8% | ₩188M ($130K) |
| 2024-08-28 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩18,590 | -1.8% | ₩186M ($129K) |
| 2024-08-27 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 20.0K | ₩18,480 | -1.2% | ₩370M ($257K) |
| 2024-08-26 | BUY | Market Buy | 전성호 Seongho Jeon | CEO | 10.0K | ₩18,600 | -1.9% | ₩186M ($129K) |
| 2024-08-08 | BUY | Market Buy | 이성환 Seonghwan Lee | Managing Director | 2.0K | ₩16,980 | +7.5% | ₩34M ($24K) |
| 2024-02-26 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 27.6K | ₩28,200 | -35.3% | ₩777M ($540K) |
| 2024-02-26 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -131.1K | ₩28,200 | +35.3% | ₩3.7B ($2.6M) |
| 2024-02-23 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -80.7K | ₩28,550 | +36.1% | ₩2.3B ($1.6M) |
| 2024-02-22 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -33.9K | ₩28,050 | +34.9% | ₩951M ($660K) |
| 2024-02-21 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -18.8K | ₩27,450 | +33.5% | ₩517M ($359K) |
| 2024-02-20 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -30.8K | ₩27,700 | +34.1% | ₩853M ($593K) |
| 2024-02-19 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -21.1K | ₩27,900 | +34.6% | ₩588M ($409K) |
| 2024-02-16 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 8.3K | ₩28,900 | -36.9% | ₩240M ($166K) |
| 2024-02-16 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -18.8K | ₩28,900 | +36.9% | ₩544M ($378K) |
| 2024-02-15 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -10.6K | ₩28,300 | +35.5% | ₩300M ($209K) |
| 2024-02-14 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -43.8K | ₩27,950 | +34.7% | ₩1.2B ($849K) |
| 2024-02-14 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 17.1K | ₩27,950 | -34.7% | ₩478M ($332K) |
| 2024-02-13 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -7.1K | ₩27,500 | +33.6% | ₩197M ($137K) |
| 2024-02-13 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 29.2K | ₩27,500 | -33.6% | ₩804M ($558K) |
| 2024-02-08 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 11.9K | ₩27,300 | -33.1% | ₩325M ($226K) |
| 2024-02-08 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -5.9K | ₩27,300 | +33.1% | ₩161M ($112K) |
| 2024-02-07 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -8.2K | ₩27,750 | +34.2% | ₩227M ($157K) |
| 2024-02-07 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 20.8K | ₩27,750 | -34.2% | ₩577M ($401K) |
| 2024-02-06 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 6.3K | ₩27,750 | -34.2% | ₩174M ($121K) |
| 2024-02-06 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -9.1K | ₩27,750 | +34.2% | ₩253M ($175K) |
| 2024-02-05 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -49.4K | ₩27,350 | +33.3% | ₩1.4B ($938K) |
| 2024-02-05 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 34.7K | ₩27,350 | -33.3% | ₩948M ($658K) |
| 2024-02-02 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 234 | ₩27,150 | -32.8% | ₩6M ($4K) |
| 2024-02-02 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -15.0K | ₩27,150 | +32.8% | ₩407M ($283K) |
| 2024-02-01 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 1.0K | ₩26,950 | -32.3% | ₩28M ($19K) |
| 2024-02-01 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -1.5K | ₩26,950 | +32.3% | ₩40M ($28K) |
| 2024-01-31 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -15.4K | ₩27,600 | +33.9% | ₩426M ($296K) |
| 2024-01-31 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 8.3K | ₩27,600 | -33.9% | ₩230M ($160K) |
| 2024-01-30 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 23.6K | ₩28,400 | -35.7% | ₩670M ($465K) |
| 2024-01-30 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -246 | ₩28,400 | +35.7% | ₩7M ($5K) |
| 2024-01-29 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -8.5K | ₩28,550 | +36.1% | ₩242M ($168K) |
| 2024-01-29 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 6.7K | ₩28,550 | -36.1% | ₩191M ($132K) |
| 2024-01-26 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -22.6K | ₩29,300 | +37.7% | ₩662M ($459K) |
| 2024-01-26 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 2.4K | ₩29,300 | -37.7% | ₩71M ($50K) |
| 2024-01-25 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 11.1K | ₩30,600 | -40.4% | ₩339M ($235K) |
| 2024-01-24 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 9.8K | ₩30,500 | -40.2% | ₩299M ($207K) |
| 2024-01-23 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 50.5K | ₩29,850 | -38.9% | ₩1.5B ($1.0M) |
| 2024-01-23 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -9.0K | ₩29,850 | +38.9% | ₩270M ($187K) |
| 2024-01-22 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -60.4K | ₩29,850 | +38.9% | ₩1.8B ($1.3M) |
| 2024-01-22 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 52.4K | ₩29,850 | -38.9% | ₩1.6B ($1.1M) |
| 2024-01-19 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 6.0K | ₩30,400 | -40.0% | ₩182M ($127K) |
| 2024-01-18 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -14.5K | ₩30,300 | +39.8% | ₩440M ($306K) |
| 2024-01-17 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 29.3K | ₩28,500 | -36.0% | ₩836M ($581K) |
| 2024-01-17 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -228 | ₩28,500 | +36.0% | ₩6M ($5K) |
| 2024-01-16 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -25.3K | ₩29,150 | +37.4% | ₩737M ($512K) |
| 2024-01-16 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 45.6K | ₩29,150 | -37.4% | ₩1.3B ($923K) |
| 2024-01-15 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -832 | ₩29,250 | +37.6% | ₩24M ($17K) |
| 2024-01-15 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 35.0K | ₩29,250 | -37.6% | ₩1.0B ($711K) |
| 2024-01-12 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 156 | ₩29,600 | -38.3% | ₩5M ($3K) |
| 2024-01-12 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -4.7K | ₩29,600 | +38.3% | ₩140M ($97K) |
| 2024-01-11 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 11.2K | ₩28,700 | -36.4% | ₩321M ($223K) |
| 2024-01-11 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -575 | ₩28,700 | +36.4% | ₩17M ($11K) |
| 2024-01-10 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -645 | ₩28,050 | +34.9% | ₩18M ($13K) |
| 2024-01-10 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 8.2K | ₩28,050 | -34.9% | ₩230M ($160K) |
| 2024-01-09 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 92 | ₩28,100 | -35.0% | ₩3M ($2K) |
| 2024-01-09 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -3.1K | ₩28,100 | +35.0% | ₩88M ($61K) |
| 2024-01-08 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 34.7K | ₩27,850 | -34.5% | ₩968M ($672K) |
| 2024-01-08 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -8.1K | ₩27,850 | +34.5% | ₩225M ($156K) |
| 2024-01-05 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -9.0K | ₩28,300 | +35.5% | ₩255M ($177K) |
| 2024-01-05 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 10.3K | ₩28,300 | -35.5% | ₩290M ($202K) |
| 2024-01-04 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 10.0K | ₩28,850 | -36.7% | ₩289M ($200K) |
| 2024-01-04 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -261 | ₩28,850 | +36.7% | ₩8M ($5K) |
| 2024-01-03 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -10.7K | ₩28,350 | +35.6% | ₩305M ($212K) |
| 2024-01-02 | SELL | Market Sell | 국민연금공단 National Pension Service | - | -4.7K | ₩27,500 | +33.6% | ₩130M ($90K) |
| 2024-01-02 | BUY | Market Buy | 국민연금공단 National Pension Service | - | 13.3K | ₩27,500 | -33.6% | ₩366M ($254K) |
| 2022-01-03 | BUY | 신규선임 | 이준규 Lee Jun-gyu | Managing Director | 3.5K | ₩22,600 | -19.3% | ₩79M ($55K) |