Who has been buying Eco Pro stock?

3 distinct insiders have filed 1 disclosed insider purchases in Eco Pro (086520), most recently on 2026-03-26. 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 Eco Pro have?

Eco Pro has 1 buy-side and 2 sell-side disclosures on record, covering ₩269M ($187K) in total reported value, spanning 2023-04-12 to 2026-03-26.

Where does StockDrifts get Eco Pro 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.

Eco Pro 086520

Company

에코프로Eco Pro

Insiders

Buys

Total Value

₩269M ($187K)

Avg Return

-54.41%

Last Filing

2026-03-26

Eco Pro (086520) has 1 disclosed insider purchases and 2 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩269M ($187K) in reported transaction value. The earliest filing StockDrifts holds for Eco Pro is dated 2023-04-12; the most recent is 2026-03-26. 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 -54.41%, 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
2026-03-26	BUY	신규선임	변정희 Jeonghee Byun	Internal director	354	₩146,000	+2.0%	₩52M ($36K)
2026-02-23	SELL	Market Sell	박재하 Jaeha Park	Managing Director	-1.4K	₩169,300	-8.8%	₩242M ($168K)
2026-01-01	BUY	신규선임	강동현 Donghyun Kang	vice president	8.1K	₩88,300	+108.6%	₩712M ($494K)
2025-11-28	BUY	기타	송호준 Song Hojun	CEO	1.6K	₩84,500	+118.0%	₩137M ($95K)
2025-10-22	BUY	PROGRAM	김순주 Soonju Kim	Managing Director	402	₩87,400	+110.8%	₩35M ($24K)
2025-10-22	BUY	PROGRAM	김형열 Kim Hyung-yeol	Managing Director	381	₩87,400	+110.8%	₩33M ($23K)
2025-10-22	BUY	PROGRAM	이수호 Suho Lee	Managing Director	471	₩87,400	+110.8%	₩41M ($29K)
2025-10-22	BUY	PROGRAM	장인원 Jang In-won	Managing Director	402	₩87,400	+110.8%	₩35M ($24K)
2025-10-22	BUY	PROGRAM	공효식 Gong Hyosik	Managing Director	361	₩87,400	+110.8%	₩32M ($22K)
2025-10-22	BUY	PROGRAM	이승환 Seunghwan Lee	Managing Director	344	₩87,400	+110.8%	₩30M ($21K)
2025-10-22	BUY	PROGRAM	송호준 Song Hojun	CEO	867	₩87,400	+110.8%	₩76M ($53K)
2025-10-22	BUY	PROGRAM	최상운 Sangwoon Choi	vice president	754	₩87,400	+110.8%	₩66M ($46K)
2025-10-22	BUY	PROGRAM	정회림 Jeong Hoe-rim	Managing Director	379	₩87,400	+110.8%	₩33M ($23K)
2025-10-22	BUY	PROGRAM	박재하 Jaeha Park	Managing Director	418	₩87,400	+110.8%	₩37M ($25K)
2025-03-26	BUY	PROGRAM	공효식 Gong Hyosik	Managing Director	7	₩59,800	+208.0%	₩419K ($291)
2025-03-26	BUY	PROGRAM	이동채 Lee Dong-chae	standing advisor	501.5K	₩59,800	+208.0%	₩30.0B ($20.8M)
2025-03-26	BUY	PROGRAM	정회림 Jeong Hoe-rim	Managing Director	158	₩59,800	+208.0%	₩9M ($7K)
2025-03-26	BUY	PROGRAM	김순주 Soonju Kim	Managing Director	112	₩59,800	+208.0%	₩7M ($5K)
2025-03-26	BUY	PROGRAM	송호준 Song Hojun	CEO	17	₩59,800	+208.0%	₩1M ($706)
2025-03-26	BUY	PROGRAM	박재하 Jaeha Park	Managing Director	19	₩59,800	+208.0%	₩1M ($789)
2025-03-26	BUY	PROGRAM	최상운 Sangwoon Choi	vice president	69	₩59,800	+208.0%	₩4M ($3K)
2025-03-26	BUY	PROGRAM	이승환 Seunghwan Lee	Managing Director	3.8K	₩59,800	+208.0%	₩228M ($159K)
2025-03-26	BUY	PROGRAM	이수호 Suho Lee	Managing Director	109	₩59,800	+208.0%	₩7M ($5K)
2025-03-26	BUY	PROGRAM	장인원 Jang In-won	Managing Director	32	₩59,800	+208.0%	₩2M ($1K)
2024-11-20	SELL	Market Sell	김형열 Kim Hyung-yeol	Managing Director	-374	₩68,671	-168.2%	₩26M ($18K)
2024-10-22	BUY	PROGRAM	장인원 Jang In-won	Managing Director	394	₩74,950	+145.8%	₩30M ($21K)
2024-10-22	BUY	PROGRAM	김순주 Soonju Kim	Managing Director	394	₩74,950	+145.8%	₩30M ($21K)
2024-10-22	BUY	PROGRAM	박재하 Jaeha Park	Managing Director	410	₩74,950	+145.8%	₩31M ($21K)
2024-10-22	BUY	PROGRAM	이승환 Seunghwan Lee	Managing Director	338	₩74,950	+145.8%	₩25M ($18K)
2024-10-22	BUY	PROGRAM	최상운 Sangwoon Choi	vice president	740	₩74,950	+145.8%	₩55M ($39K)
2024-10-22	BUY	PROGRAM	송호준 Song Hojun	CEO	850	₩74,950	+145.8%	₩64M ($44K)
2024-10-22	BUY	PROGRAM	공효식 Gong Hyosik	Managing Director	353	₩74,950	+145.8%	₩26M ($18K)
2024-10-22	BUY	PROGRAM	김형열 Kim Hyung-yeol	Managing Director	374	₩74,950	+145.8%	₩28M ($19K)
2024-10-22	BUY	PROGRAM	정회림 Jeong Hoe-rim	Managing Director	371	₩74,950	+145.8%	₩28M ($19K)
2024-10-22	BUY	PROGRAM	이수호 Suho Lee	Managing Director	461	₩74,950	+145.8%	₩35M ($24K)
2024-04-12	BUY	PROGRAM	김순주 Soonju Kim	Managing Director	4.2K	₩101,437	+81.6%	₩426M ($296K)
2024-04-12	BUY	PROGRAM	장인원 Jang In-won	Managing Director	1.0K	₩101,437	+81.6%	₩101M ($70K)
2024-04-12	BUY	PROGRAM	이동채 Lee Dong-chae	-	20.1M	₩101,437	+81.6%	₩2.0T ($1.4B)
2024-04-12	BUY	PROGRAM	박재하 Jaeha Park	Managing Director	468	₩101,437	+81.6%	₩47M ($33K)
2024-04-12	BUY	PROGRAM	이수호 Suho Lee	Managing Director	4.0K	₩101,437	+81.6%	₩406M ($282K)
2024-04-12	BUY	PROGRAM	정회림 Jeong Hoe-rim	Managing Director	6.0K	₩101,437	+81.6%	₩613M ($425K)
2024-04-12	BUY	PROGRAM	안태식 Taesik Ahn	Outside Director	2.3K	₩101,437	+81.6%	₩232M ($161K)
2024-04-12	BUY	PROGRAM	최상운 Sangwoon Choi	vice president	2.2K	₩101,437	+81.6%	₩221M ($153K)
2023-10-05	BUY	PROGRAM	장인원 Jang In-won	Managing Director	7	₩161,868	+13.8%	₩1M ($787)
2023-04-12	BUY	PROGRAM	이승환 Seunghwan Lee	Managing Director	152.4K	₩125,570	+46.7%	₩19.1B ($13.3M)

Frequently asked questions

Who has been buying Eco Pro stock?: 3 distinct insiders have filed 1 disclosed insider purchases in Eco Pro (086520), most recently on 2026-03-26. 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 Eco Pro have?: Eco Pro has 1 buy-side and 2 sell-side disclosures on record, covering ₩269M ($187K) in total reported value, spanning 2023-04-12 to 2026-03-26.
Where does StockDrifts get Eco Pro 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 Eco Pro. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.