Who has been buying Eco Promity stock?

4 distinct insiders have filed 6 disclosed insider purchases in Eco Promity (450080), most recently on 2026-06-17. 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 Promity have?

Eco Promity has 6 buy-side and 11 sell-side disclosures on record, covering ₩61.1B ($42.4M) in total reported value, spanning 2024-05-23 to 2026-06-17.

Where does StockDrifts get Eco Promity 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 Promity 450080

Company

에코프로머티Eco Promity

Insiders

Buys

Total Value

₩61.1B ($42.4M)

Avg Return

+14.97%

Last Filing

2026-06-17

Eco Promity (450080) has 6 disclosed insider purchases and 11 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩61.1B ($42.4M) in reported transaction value. The earliest filing StockDrifts holds for Eco Promity is dated 2024-05-23; the most recent is 2026-06-17. 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 +14.97%, 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
2026-06-17	BUY	주식매수청구권 행사	이성준 Seongjun Lee	Managing Director	3.9K	₩56,700	-25.2%	₩222M ($154K)
2026-06-17	BUY	주식매수청구권 행사	김수연 Suyeon Kim	vice president	100.0K	₩56,700	-25.2%	₩5.7B ($3.9M)
2026-02-09	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-3.7K	₩66,700	+1.8%	₩247M ($172K)
2026-02-06	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-264.5K	₩63,000	-4.0%	₩16.7B ($11.6M)
2026-02-03	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-9.9K	₩66,900	+2.1%	₩661M ($459K)
2026-02-02	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-121.4K	₩64,300	-1.9%	₩7.8B ($5.4M)
2025-11-20	BUY	주식매수선택권	이성준 Seongjun Lee	Managing Director	10.0K	₩59,300	+10.5%	₩593M ($412K)
2025-11-20	BUY	주식매수선택권	김관후 Kim Kwan-hoo	Internal director	6.6K	₩59,300	+10.5%	₩391M ($272K)
2025-11-10	SELL	Market Sell	이성준 Seongjun Lee	Managing Director	-9.5K	₩61,300	-6.8%	₩582M ($404K)
2025-11-07	SELL	Market Sell	이성준 Seongjun Lee	Managing Director	-572	₩60,500	-8.3%	₩35M ($24K)
2025-07-01	BUY	신규선임	이규봉 Lee Gyu-bong	vice president	42.9K	₩47,700	+37.3%	₩2.0B ($1.4M)
2025-06-30	BUY	Market Buy	김관후 Kim Kwan-hoo	Internal director	2.5K	₩45,400	+44.3%	₩112M ($78K)
2025-04-23	BUY	Market Buy	이성준 Seongjun Lee	Managing Director	35	₩56,800	+15.3%	₩2M ($1K)
2025-04-08	BUY	Market Buy	강동현 Donghyun Kang	Managing Director	300	₩50,200	+30.5%	₩15M ($10K)
2025-03-12	BUY	Market Buy	이성준 Seongjun Lee	Managing Director	20	₩74,200	-11.7%	₩1M ($1K)
2025-02-12	BUY	Market Buy	이성준 Seongjun Lee	Managing Director	20	₩71,600	-8.5%	₩1M ($994)
2025-01-15	BUY	Market Buy	이성준 Seongjun Lee	Managing Director	15	₩76,200	-14.0%	₩1M ($794)
2024-12-03	BUY	주식매수선택권	이성준 Seongjun Lee	Managing Director	13.9K	₩81,000	-19.1%	₩1.1B ($783K)
2024-12-03	BUY	주식매수선택권	이상학 Lee Sang-hak	Managing Director	13.2K	₩81,000	-19.1%	₩1.1B ($741K)
2024-12-01	BUY	신규보고	이성준 Seongjun Lee	Managing Director	21.6K	₩82,900	-21.0%	₩1.8B ($1.2M)
2024-10-17	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-28.6K	₩113,800	+42.4%	₩3.3B ($2.3M)
2024-10-16	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-1.8K	₩115,000	+43.0%	₩210M ($146K)
2024-10-15	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-36.8K	₩112,200	+41.6%	₩4.1B ($2.9M)
2024-10-14	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-132.6K	₩117,800	+44.4%	₩15.6B ($10.8M)
2024-10-11	SELL	Market Sell	BRVLOTUSGROWTHFUND2015,L.P.	-	-99.9K	₩117,600	+44.3%	₩11.7B ($8.2M)
2024-06-18	SELL	시간외매매	BRVLOTUSGROWTHFUND2015,L.P.	-	-1.4M	₩102,700	+36.2%	₩140.5B ($97.6M)
2024-06-03	BUY	주식매수선택권	조병육 Jo Byeong-yuk	Managing Director	18.0K	₩79,200	-17.3%	₩1.4B ($990K)
2024-06-03	BUY	주식매수선택권	이상학 Lee Sang-hak	Managing Director	15.1K	₩79,200	-17.3%	₩1.2B ($828K)
2024-05-23	SELL	시간외매매	BRVLOTUSGROWTHFUND2015,L.P.	-	-1.4M	₩84,900	+22.9%	₩121.7B ($84.5M)

Frequently asked questions

Who has been buying Eco Promity stock?: 4 distinct insiders have filed 6 disclosed insider purchases in Eco Promity (450080), most recently on 2026-06-17. 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 Promity have?: Eco Promity has 6 buy-side and 11 sell-side disclosures on record, covering ₩61.1B ($42.4M) in total reported value, spanning 2024-05-23 to 2026-06-17.
Where does StockDrifts get Eco Promity 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 Promity. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.