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.

Where does StockDrifts get Eugene Tech insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART 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. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). 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
2026-08-03	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	BUY	주식매수선택권	박기철 Park Ki-cheol	moving	1.1K	₩165,700	-11.4%	₩181M ($126K)
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)
2026-07-06	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	주식매수선택권	유두열 nipple fever	vice president	1.4K	₩185,700	-20.8%	₩263M ($183K)
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)
2026-06-26	BUY	PROGRAM	고재형 Go Jae-hyung	Managing Director	3.2K	₩172,600	-0.6%	₩549M ($381K)
2026-06-25	BUY	PROGRAM	최규진 Gyujin Choi	committee member	2.1K	₩162,600	+5.5%	₩334M ($232K)
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)
2026-06-24	BUY	PROGRAM	박기철 Park Ki-cheol	moving	647	₩161,800	+6.1%	₩105M ($73K)
2026-06-24	BUY	PROGRAM	조정희 Jo Jeong-hee	committee member	2.4K	₩161,800	+6.1%	₩396M ($275K)
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	손인수 Insu Son	Chief Research Fellow	-5.0K	₩105,100	-11.1%	₩526M ($365K)
2026-02-04	SELL	Market Sell	진광현 Gwanghyeon Jin	committee member	-800	₩105,100	-11.1%	₩84M ($58K)
2026-02-03	SELL	Market Sell	신승우 Seungwoo Shin	CEO	-500	₩104,200	-12.1%	₩52M ($36K)
2026-02-02	SELL	Market Sell	정인용 Jeong In-yong	moving	-700	₩99,400	-17.5%	₩70M ($48K)
2026-02-02	SELL	Market Sell	신승우 Seungwoo Shin	CEO	-1.5K	₩99,400	-17.5%	₩149M ($104K)
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)
2026-01-29	SELL	Market Sell	진광현 Gwanghyeon Jin	committee member	-200	₩107,500	-8.7%	₩22M ($15K)
2026-01-28	SELL	Market Sell	진광현 Gwanghyeon Jin	committee member	-1.0K	₩102,200	-14.3%	₩102M ($71K)
2026-01-22	BUY	자사주상여금	김봉현 Bonghyun Kim	Managing Director	2.0K	₩76,000	+53.7%	₩152M ($106K)
2026-01-06	SELL	Market Sell	조정희 Jo Jeong-hee	committee member	-206	₩91,600	-27.5%	₩19M ($13K)
2025-11-12	SELL	Market Sell	이홍원 Hongwon Lee	moving	-618	₩97,500	-19.8%	₩60M ($42K)
2025-11-10	SELL	Market Sell	신창훈 Shin Chang-hoon	moving	-1.2K	₩100,500	-16.2%	₩119M ($83K)
2025-11-07	SELL	Market Sell	안정수 An Jeongsu	Chief President	-3.0K	₩100,700	-16.0%	₩302M ($210K)
2025-11-06	SELL	Market Sell	권석 Kwon Seok	Managing Director	-2.0K	₩105,700	-10.5%	₩211M ($147K)
2025-10-31	SELL	Market Sell	신호성 signaling	moving	-414	₩94,900	-23.1%	₩39M ($27K)
2025-10-30	BUY	주식매수선택권	심상현 Sanghyeon Shim	vice president	2.3K	₩97,800	+19.4%	₩229M ($159K)
2025-10-30	SELL	Market Sell	진광현 Gwanghyeon Jin	committee member	-1.5K	₩97,800	-19.4%	₩147M ($102K)
2025-10-29	SELL	Market Sell	진광현 Gwanghyeon Jin	committee member	-3.5K	₩98,200	-18.9%	₩344M ($239K)
2025-10-29	SELL	Market Sell	최진관 Choi Jin-kwan	Managing Director	-771	₩98,200	-18.9%	₩76M ($53K)

Showing the 50 most recent of 117 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.
Where does StockDrifts get Eugene Tech insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Eugene Tech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.