Who has been buying Eco Marketing stock?

5 distinct insiders have filed 2 disclosed insider purchases in Eco Marketing (230360), most recently on 2026-06-15. 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 Marketing have?

Eco Marketing has 2 buy-side and 8 sell-side disclosures on record, covering ₩2.3B ($1.6M) in total reported value, spanning 2024-02-19 to 2026-06-15.

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.

Eco Marketing 230360

Company

에코마케팅Eco Marketing

Insiders

Buys

Total Value

₩2.3B ($1.6M)

Avg Return

+4.28%

Last Filing

2026-06-15

Eco Marketing (230360) has 2 disclosed insider purchases and 8 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩2.3B ($1.6M) in reported transaction value. The earliest filing StockDrifts holds for Eco Marketing is dated 2024-02-19; the most recent is 2026-06-15. Across these filings the average return since disclosure is +4.28%, 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
2026-06-15	BUY	교환	비씨피이이에이비드코원 BCPEA BID COONE	-	3.5M	₩16,000	+0.0%	₩56.4B ($39.2M)
2026-04-02	BUY	공개매수	비씨피이이에이비드코원 BCPEA BID COONE	-	515.1K	₩15,920	+0.5%	₩8.2B ($5.7M)
2026-03-09	BUY	장외매수	비씨피이이에이비드코원 BCPEA BID COONE	-	2.1M	-	-	-
2026-03-09	SELL	장외매도	김철웅 Cheolwoong Kim	Representative executive officer	-11.5M	-	-	-
2026-03-09	BUY	장외매수	비씨피이이에이비드코원 BCPEA BID COONE	-	11.5M	-	-	-
2026-02-27	BUY	공개매수	비씨피이이에이비드코원 BCPEA BID COONE	-	2.7M	-	-	-
2026-01-23	BUY	공개매수	비씨피이이에이비드코원 BCPEA BID COONE	-	10.7M	₩15,830	+0.5%	₩169.3B ($117.6M)
2026-01-12	SELL	Market Sell	김정파 Kim Jeong-pa	Managing Director	-5.2K	₩15,910	+0.0%	₩83M ($58K)
2026-01-12	SELL	Market Sell	김정파 Kim Jeong-pa	Managing Director	-8.1K	₩15,910	+0.0%	₩129M ($90K)
2026-01-09	SELL	Market Sell	김정향 Kim Jeong-hyang	Managing Director	-8.4K	₩15,910	+0.0%	₩134M ($93K)
2026-01-09	SELL	Market Sell	김정향 Kim Jeong-hyang	Managing Director	-33.1K	₩15,910	+0.0%	₩526M ($366K)
2026-01-09	SELL	Market Sell	문헌주 literature note	Managing Director	-13.5K	₩15,910	+0.0%	₩214M ($149K)
2026-01-09	BUY	기타	김정향 Kim Jeong-hyang	Managing Director	33.1K	₩15,910	+0.0%	₩526M ($366K)
2026-01-09	SELL	Market Sell	남경균 Kyungkyun Nam	Managing Director	-20.0K	₩15,910	+0.0%	₩318M ($221K)
2026-01-08	SELL	Market Sell	김정향 Kim Jeong-hyang	Managing Director	-2.0K	₩15,900	-0.1%	₩32M ($22K)
2026-01-08	SELL	Market Sell	김정향 Kim Jeong-hyang	Managing Director	-3.0K	₩15,900	-0.1%	₩48M ($33K)
2026-01-05	BUY	기타	남경균 Kyungkyun Nam	Managing Director	20.0K	₩15,900	+0.1%	₩318M ($221K)
2026-01-05	BUY	기타	김정파 Kim Jeong-pa	Managing Director	2.4K	₩15,900	+0.1%	₩39M ($27K)
2026-01-05	BUY	기타	조민희 Cho Min-hee	Managing Director	17.2K	₩15,900	+0.1%	₩273M ($190K)
2025-04-16	SELL	임원퇴임	안보근 Ahn Bo-geun	CEO	-39.8K	₩8,210	-93.8%	₩327M ($227K)
2025-01-31	SELL	임원퇴임	공성아 Siege	Managing Director	-630.1K	₩9,810	-62.2%	₩6.2B ($4.3M)
2024-12-20	SELL	증여	김정향 Kim Jeong-hyang	Managing Director	-600	₩10,060	-58.1%	₩6M ($4K)
2024-12-20	BUY	기타	김정향 Kim Jeong-hyang	Managing Director	14.0K	₩10,060	+58.1%	₩141M ($98K)
2024-07-25	SELL	임원퇴임	박효영 Hyoyoung Park	Managing Director	-110.0K	₩11,160	-42.6%	₩1.2B ($853K)
2024-06-12	BUY	Market Buy	김철웅 Cheolwoong Kim	CEO	30.1K	₩13,120	+21.3%	₩395M ($274K)
2024-06-11	BUY	Market Buy	김철웅 Cheolwoong Kim	CEO	32.0K	₩13,080	+21.6%	₩419M ($291K)
2024-02-19	SELL	기타	김철웅 Cheolwoong Kim	CEO	-2.1M	₩9,810	-62.2%	₩20.1B ($14.0M)

Frequently asked questions

Who has been buying Eco Marketing stock?: 5 distinct insiders have filed 2 disclosed insider purchases in Eco Marketing (230360), most recently on 2026-06-15. 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 Marketing have?: Eco Marketing has 2 buy-side and 8 sell-side disclosures on record, covering ₩2.3B ($1.6M) in total reported value, spanning 2024-02-19 to 2026-06-15.
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.