Who has been buying east stock?

4 distinct insiders have filed 4 disclosed insider purchases in east (004140), most recently on 2026-06-25. 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 east have?

east has 4 buy-side and 2 sell-side disclosures on record, covering ₩31M ($21K) in total reported value, spanning 2024-06-04 to 2026-06-25.

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.

east 004140

Company

동방east

Insiders

Buys

Total Value

₩31M ($21K)

Avg Return

+9.36%

Last Filing

2026-06-25

east (004140) has 4 disclosed insider purchases and 2 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩31M ($21K) in reported transaction value. The earliest filing StockDrifts holds for east is dated 2024-06-04; the most recent is 2026-06-25. Across these filings the average return since disclosure is +9.36%, 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
2026-09-16	BUY	Market Buy	김재형 Jaehyeong Kim	Division head	6.0K	₩1,780	-0.1%	₩11M ($7K)
2026-07-23	BUY	Market Buy	김형곤 Kim Hyeong-gon	Chairman	16.5K	₩1,878	-1.9%	₩30M ($21K)
2026-07-22	BUY	Market Buy	김형곤 Kim Hyeong-gon	Chairman	11.1K	₩1,784	+3.3%	₩20M ($14K)
2026-07-21	BUY	Market Buy	임충기 Lim Chung-gi	Managing Director	2.0K	₩1,812	-2.3%	₩4M ($3K)
2026-06-25	BUY	Market Buy	김형곤 Kim Hyeong-gon	Chairman	16.9K	-	-	-
2026-06-25	BUY	Market Buy	정운건 Jeong Woon-geon	CEO and President	3.5K	-	-	-
2026-06-25	BUY	Market Buy	정운건 Jeong Woon-geon	CEO and President	2.1K	-	-	-
2026-06-24	BUY	Market Buy	김형곤 Kim Hyeong-gon	Chairman	10.0K	-	-	-
2025-11-14	BUY	신규선임	강영진 Youngjin Kang	vice president	21.0K	₩2,780	-2.2%	₩58M ($41K)
2025-11-01	BUY	신규선임	박성진 Seongjin Park	Assistant Managing Director	37	₩2,720	+0.0%	₩101K ($70)
2025-06-27	SELL	Market Sell	이정헌 Jeongheon Lee	vice president	-5.0K	₩2,930	+7.2%	₩15M ($10K)
2024-11-12	BUY	신규선임	박우남 Woonam Park	Managing Director	70	₩2,195	+23.9%	₩154K ($107)
2024-06-04	SELL	Market Sell	정영민 Youngmin Jeong	Managing Director	-5.3K	₩3,075	+11.5%	₩16M ($11K)

Frequently asked questions

Who has been buying east stock?: 4 distinct insiders have filed 4 disclosed insider purchases in east (004140), most recently on 2026-06-25. 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 east have?: east has 4 buy-side and 2 sell-side disclosures on record, covering ₩31M ($21K) in total reported value, spanning 2024-06-04 to 2026-06-25.
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.