South Korea Chemicals

KOYJ Co Ltd (121850)

Track

Track

KOYJ Co Ltd recorded six consecutive buy transactions totaling 289.69 million KRW over a recent ninety-day period. Despite a significant 92.4% decline in stock performance, these acquisitions represent the only observed insider trading activity. No recent earnings report data is available to provide further context regarding these specific equity purchases.
Ticker: 121850 Exchange: KOE
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for KOYJ Co Ltd. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
CHOI YEON JU (최연주) Unclassified position Large shareholder
Transaction date
Purchase
Price
304.51
Quantity 1,159 +26.5%
Value ₩4,331,096
CHOI YEON JU (최연주) Unclassified position Large shareholder
Transaction date
Purchase
Price
185.13
Quantity 82,339 -6.2%
Value ₩854,832
CHOI YEON JU (최연주) Unclassified position Large shareholder
Transaction date
Purchase
Price
314.73
Quantity 39,795 +23.1%
Value ₩2,151,449
CHOI YEON JU (최연주) Unclassified position Large shareholder
Transaction date
Purchase
Price
221.00
Quantity 1,000 +25.4%
Value ₩100,000
CHOI YEON JU (최연주) Unclassified position Large shareholder
Transaction date
Purchase
Price
292.00
Quantity 1,000 +70.0%
Value ₩100,000
CHOI YEON JU (최연주) Unclassified position Large shareholder
Transaction date
Purchase
Price
321.00
Quantity 1,000 +56.9%
Value ₩100,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-15 2026-09-15 B Purchase CHOI YEON JU (최연주)

Unclassified position

Large shareholder
1,159 +26.5%
304.51
₩4,331,096 		1,159 +26.5% 304.51 ₩4,331,096
2026-09-15 2026-09-14 B Purchase CHOI YEON JU (최연주)

Unclassified position

Large shareholder
82,339 -6.2%
185.13
₩854,832 		82,339 -6.2% 185.13 ₩854,832
2026-09-15 2026-09-11 B Purchase CHOI YEON JU (최연주)

Unclassified position

Large shareholder
39,795 +23.1%
314.73
₩2,151,449 		39,795 +23.1% 314.73 ₩2,151,449
2026-09-15 2026-09-10 B Purchase CHOI YEON JU (최연주)

Unclassified position

Large shareholder
1,000 +25.4%
221.00
₩100,000 		1,000 +25.4% 221.00 ₩100,000
2026-09-15 2026-09-09 B Purchase CHOI YEON JU (최연주)

Unclassified position

Large shareholder
1,000 +70.0%
292.00
₩100,000 		1,000 +70.0% 292.00 ₩100,000
2026-09-15 2026-09-08 B Purchase CHOI YEON JU (최연주)

Unclassified position

Large shareholder
1,000 +56.9%
321.00
₩100,000 		1,000 +56.9% 321.00 ₩100,000
Explore more

More insider trading research around KOYJ Co Ltd

More insider trades in South Korea
Similar Basic Materials companies with insider activity
More Chemicals companies with insider activity
More Chemicals companies with insider activity
Insider trading in Asia-Pacific