South Korea

RYUK-IL C&S., (191410)

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Representative Director Jaock Koo executed six consecutive buy transactions for RYUK-IL C&S shares between September 2 and September 9, 2026. These acquisitions totaled 115,000 shares, representing a net value of approximately 147.4 million KRW. This buying activity occurred amid an 8.4% stock price increase over the past quarter, despite the equity trading near its yearly lows.
Ticker: 191410 Exchange: KOREA
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
JAOCK KOO (구자옥) Representative Director (대표이사) Executive Director Large shareholder
Transaction date
Purchase
Price
25.70
Quantity 57,839 +37.2%
Value ₩643,210
JAOCK KOO (구자옥) Representative Director (대표이사) Executive Director Large shareholder
Transaction date
Purchase
Price
452.01
Quantity 52,810 -2.0%
Value ₩1,007,182
JAOCK KOO (구자옥) Representative Director (대표이사) Executive Director Large shareholder
Transaction date
Purchase
Price
202.84
Quantity 49,919 -40.1%
Value ₩785,514
JAOCK KOO (구자옥) Representative Director (대표이사) Executive Director Large shareholder
Transaction date
Purchase
Price
1,812.00
Quantity 20,000 +0.4%
Value ₩36,240,000
JAOCK KOO (구자옥) Representative Director (대표이사) Executive Director Large shareholder
Transaction date
Purchase
Price
1,835.00
Quantity 20,000 +0.4%
Value ₩36,700,000
JAOCK KOO (구자옥) Representative Director (대표이사) Executive Director Large shareholder
Transaction date
Purchase
Price
1,875.00
Quantity 20,000 +0.4%
Value ₩37,500,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-09 2026-09-09 B Purchase JAOCK KOO (구자옥)

Representative Director (대표이사)

Executive Director Large shareholder
57,839 +37.2%
25.70
₩643,210 		57,839 +37.2% 25.70 ₩643,210
2026-09-09 2026-09-08 B Purchase JAOCK KOO (구자옥)

Representative Director (대표이사)

Executive Director Large shareholder
52,810 -2.0%
452.01
₩1,007,182 		52,810 -2.0% 452.01 ₩1,007,182
2026-09-09 2026-09-07 B Purchase JAOCK KOO (구자옥)

Representative Director (대표이사)

Executive Director Large shareholder
49,919 -40.1%
202.84
₩785,514 		49,919 -40.1% 202.84 ₩785,514
2026-09-09 2026-09-04 B Purchase JAOCK KOO (구자옥)

Representative Director (대표이사)

Executive Director Large shareholder
20,000 +0.4%
1,812.00
₩36,240,000 		20,000 +0.4% 1,812.00 ₩36,240,000
2026-09-09 2026-09-03 B Purchase JAOCK KOO (구자옥)

Representative Director (대표이사)

Executive Director Large shareholder
20,000 +0.4%
1,835.00
₩36,700,000 		20,000 +0.4% 1,835.00 ₩36,700,000
2026-09-09 2026-09-02 B Purchase JAOCK KOO (구자옥)

Representative Director (대표이사)

Executive Director Large shareholder
20,000 +0.4%
1,875.00
₩37,500,000 		20,000 +0.4% 1,875.00 ₩37,500,000
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