South Korea Machinery, Equipment & Components

AriBio Holdings Inc (290690)

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AriBio Holdings Inc. recorded a single significant purchase by an inside director, Sung Soo Hyeon, who acquired 155,567 shares valued at approximately 505.9 million KRW on September 30, 2026. This transaction occurred amid a 32.5% decline in stock price over the past ninety days, placing the equity near its fifty-two-week low.
Ticker: 290690 Exchange: KOE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Sung Soo Hyeon (성수현) Inside Director (사내이사) Executive Director
Transaction date
Purchase
Price
416.90
Quantity 88,044 +14.7%
Value ₩4,364,267
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-10-02 2026-09-30 B Purchase Sung Soo Hyeon (성수현)

Inside Director (사내이사)

Executive Director
88,044 +14.7%
416.90
₩4,364,267 		88,044 +14.7% 416.90 ₩4,364,267
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