Who has been buying Eugene Tech stock?

27 distinct insiders have filed 0 disclosed insider purchases in Eugene Tech (084370), most recently on 2026-07-13. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Eugene Tech have?

Eugene Tech has 0 buy-side and 54 sell-side disclosures on record, covering ₩9.3B ($6.5M) in total reported value, spanning 2024-04-05 to 2026-07-13.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Eugene Tech 084370

Company

유진테크Eugene Tech

Insiders

Buys

Total Value

₩9.3B ($6.5M)

Avg Return

-37.33%

Last Filing

2026-07-13

Eugene Tech (084370) has 0 disclosed insider purchases and 54 disclosed disposals on record, filed by 27 distinct insiders. Together those filings cover ₩9.3B ($6.5M) in reported transaction value. The earliest filing StockDrifts holds for Eugene Tech is dated 2024-04-05; the most recent is 2026-07-13. Across these filings the average return since disclosure is -37.33%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-11-05	SELL	Market Sell	정인용 Jeong In-yong	moving	-1.3K	₩86,000	+11.2%	₩113M ($78K)
2026-11-02	BUY	주식매수선택권	이동일 move date	Managing Director	842	₩105,100	-27.3%	₩30M ($21K)
2026-10-08	SELL	Market Sell	제성태 Seongtae Je	Managing Director	-600	₩171,700	+40.5%	₩108M ($75K)
2026-09-30	BUY	주식매수선택권	정인용 Jeong In-yong	moving	3.2K	₩168,700	+6.8%	₩536M ($372K)
2026-09-30	SELL	Market Sell	현준진 Hyun Jun-jin	vice president	-180	₩168,700	-6.8%	₩28M ($20K)
2026-09-28	SELL	Market Sell	제성태 Seongtae Je	Managing Director	-600	₩154,100	-16.9%	₩88M ($61K)
2026-09-23	SELL	Market Sell	손동재 Dongjae Son	Managing Director	-272	₩161,800	-11.3%	₩44M ($31K)
2026-09-23	SELL	Market Sell	고재형 Go Jae-hyung	Managing Director	-1.0K	₩161,800	-11.3%	₩162M ($113K)
2026-09-14	SELL	Market Sell	제성태 Seongtae Je	Managing Director	-700	₩128,800	-6.7%	₩108M ($75K)
2026-08-24	SELL	Market Sell	박기철 Park Ki-cheol	moving	-630	₩135,700	+1.3%	₩85M ($59K)
2026-08-20	SELL	Market Sell	박기철 Park Ki-cheol	moving	-465	₩134,600	+0.5%	₩63M ($44K)
2026-08-20	BUY	주식매수선택권	제성태 Seongtae Je	Managing Director	2.4K	₩134,600	-0.5%	₩327M ($227K)
2026-08-12	BUY	주식매수선택권	강성석 Seongseok Kang	president	813	₩129,200	+2.1%	₩105M ($73K)
2026-08-03	BUY	주식매수선택권	현준진 Hyun Jun-jin	vice president	8.2K	₩113,900	+4.0%	₩932M ($647K)
2026-07-31	SELL	Market Sell	손동재 Dongjae Son	Managing Director	-1.0K	₩112,300	-5.4%	₩102M ($70K)
2026-07-30	SELL	Market Sell	신호성 signaling	moving	-400	₩88,600	-33.6%	₩40M ($28K)
2026-07-28	SELL	Market Sell	윤영석 Youngseok Yoon	moving	-1.2K	₩100,100	-18.3%	₩137M ($95K)
2026-07-21	BUY	주식매수선택권	신승우 Seungwoo Shin	CEO	5.4K	₩125,800	-10.7%	₩685M ($476K)
2026-07-15	SELL	Market Sell	권석 Kwon Seok	Managing Director	-3.5K	₩162,800	+32.9%	₩541M ($376K)
2026-07-13	SELL	Market Sell	고재형 Go Jae-hyung	Managing Director	-2.2K	₩153,100	+4.1%	₩323M ($224K)
2026-07-10	SELL	Market Sell	손동재 Dongjae Son	Managing Director	-630	₩165,700	+11.4%	₩105M ($73K)
2026-07-10	SELL	Market Sell	박기철 Park Ki-cheol	moving	-647	₩165,700	+11.4%	₩107M ($74K)
2026-07-10	BUY	주식매수선택권	석종규 Seok Jong-gyu	vice president	2.1K	₩165,700	-11.4%	₩352M ($244K)
2026-07-10	BUY	주식매수선택권	박기철 Park Ki-cheol	moving	1.1K	₩165,700	-11.4%	₩181M ($126K)
2026-07-06	BUY	주식매수선택권	정우덕 Jeong Woo-deok	vice president	930	₩157,500	-6.8%	₩146M ($102K)
2026-07-06	BUY	주식매수선택권	정우덕 Jeong Woo-deok	vice president	1.5K	₩157,500	-6.8%	₩230M ($160K)
2026-07-03	BUY	주식매수선택권	신창훈 Shin Chang-hoon	moving	1.0K	₩171,600	-14.3%	₩179M ($124K)
2026-07-03	BUY	주식매수선택권	신호성 signaling	moving	657	₩171,600	-14.3%	₩113M ($78K)
2026-07-02	BUY	주식매수선택권	손동재 Dongjae Son	Managing Director	1.1K	₩175,300	-16.1%	₩194M ($135K)
2026-06-30	BUY	PROGRAM	윤영석 Youngseok Yoon	moving	3.2K	₩185,700	-7.6%	₩603M ($419K)
2026-06-30	BUY	PROGRAM	한창원 Han Chang-won	moving	3.3K	₩185,700	-7.6%	₩605M ($420K)
2026-06-30	BUY	주식매수선택권	유두열 nipple fever	vice president	1.4K	₩185,700	-20.8%	₩263M ($183K)
2026-06-26	BUY	PROGRAM	고재형 Go Jae-hyung	Managing Director	3.2K	₩172,600	-0.6%	₩549M ($381K)
2026-06-25	BUY	PROGRAM	손동재 Dongjae Son	Managing Director	993	₩162,600	+5.5%	₩161M ($112K)
2026-06-25	BUY	PROGRAM	이상돈 Lee Sang-don	moving	1.7K	₩162,600	+5.5%	₩278M ($193K)
2026-06-25	BUY	PROGRAM	최규진 Gyujin Choi	committee member	2.1K	₩162,600	+5.5%	₩334M ($232K)
2026-06-24	BUY	PROGRAM	조정희 Jo Jeong-hee	committee member	2.4K	₩161,800	+6.1%	₩396M ($275K)
2026-06-24	BUY	PROGRAM	박기철 Park Ki-cheol	moving	647	₩161,800	+6.1%	₩105M ($73K)
2026-04-30	BUY	자사주상여금	권석 Kwon Seok	Managing Director	3.5K	₩130,000	+14.2%	₩455M ($316K)
2026-03-09	SELL	Market Sell	제성태 Seongtae Je	Managing Director	-1.0K	₩133,900	+12.8%	₩134M ($93K)
2026-03-06	SELL	증여	정인용 Jeong In-yong	moving	-20	₩148,000	+21.1%	₩3M ($2K)
2026-02-24	SELL	Market Sell	제성태 Seongtae Je	Managing Director	-2.0K	₩125,600	+7.0%	₩251M ($174K)
2026-02-19	BUY	주식매수선택권	제성태 Seongtae Je	Managing Director	3.0K	₩133,000	-12.2%	₩397M ($275K)
2026-02-04	SELL	Market Sell	진광현 Gwanghyeon Jin	committee member	-800	₩105,100	-11.1%	₩84M ($58K)
2026-02-04	SELL	Market Sell	손인수 Insu Son	Chief Research Fellow	-5.0K	₩105,100	-11.1%	₩526M ($365K)
2026-02-03	SELL	Market Sell	신승우 Seungwoo Shin	CEO	-500	₩104,200	-12.1%	₩52M ($36K)
2026-02-02	SELL	Market Sell	신승우 Seungwoo Shin	CEO	-1.5K	₩99,400	-17.5%	₩149M ($104K)
2026-02-02	SELL	Market Sell	정인용 Jeong In-yong	moving	-700	₩99,400	-17.5%	₩70M ($48K)
2026-02-01	BUY	신규선임	정인용 Jeong In-yong	moving	1.1K	₩99,400	+17.5%	₩110M ($76K)
2026-01-30	SELL	Market Sell	손인수 Insu Son	Chief Research Fellow	-5.0K	₩111,000	-5.2%	₩555M ($385K)

Showing the 50 most recent of 130 filings.

Frequently asked questions

Who has been buying Eugene Tech stock?: 27 distinct insiders have filed 0 disclosed insider purchases in Eugene Tech (084370), most recently on 2026-07-13. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Eugene Tech have?: Eugene Tech has 0 buy-side and 54 sell-side disclosures on record, covering ₩9.3B ($6.5M) in total reported value, spanning 2024-04-05 to 2026-07-13.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.