Who has been buying Geumyang stock?

3 distinct insiders have filed 3 disclosed insider purchases in Geumyang (001570), most recently on 2026-03-31. 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 Geumyang have?

Geumyang has 3 buy-side and 2 sell-side disclosures on record, covering ₩145M ($101K) in total reported value, spanning 2024-04-03 to 2026-03-31.

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.

Geumyang 001570

Company

금양Geumyang

Insiders

Buys

Total Value

₩145M ($101K)

Avg Return

-0.45%

Last Filing

2026-03-31

Geumyang (001570) has 3 disclosed insider purchases and 2 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩145M ($101K) in reported transaction value. The earliest filing StockDrifts holds for Geumyang is dated 2024-04-03; the most recent is 2026-03-31. Across these filings the average return since disclosure is -0.45%, 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
2026-03-31	SELL	임원퇴임	장석영 Seokyoung Jang	vice president	-1.0K	₩9,900	+0.0%	₩10M ($7K)
2026-03-13	BUY	신규선임	박세진 Sejin Park	moving	2.0K	-	-	-
2026-03-13	BUY	신규선임	박선민 Seonmin Park	moving	80	-	-	-
2025-12-01	BUY	신규선임	정재욱 Jaewook Jeong	Managing Director	143	₩9,900	+0.0%	₩1M ($983)
2025-03-12	BUY	Market Buy	장석영 Seokyoung Jang	vice president	503	₩13,120	-24.5%	₩7M ($5K)
2024-12-02	SELL	증여	류광지 Gwangji Ryu	CEO	-10.0M	₩29,400	+66.3%	₩294.0B ($204.2M)
2024-11-29	BUY	Market Buy	김명우 Myungwoo Kim	moving	130	₩29,500	-66.4%	₩4M ($3K)
2024-11-25	BUY	Market Buy	장석영 Seokyoung Jang	vice president	501	₩28,400	-65.1%	₩14M ($10K)
2024-10-25	SELL	Market Sell	이향두 Hyangdoo Lee	president	-2.0K	₩43,250	+77.1%	₩87M ($60K)
2024-10-24	SELL	Market Sell	이향두 Hyangdoo Lee	president	-789	₩42,600	+76.8%	₩34M ($23K)
2024-06-01	BUY	신규선임	류다영 Dayoung Ryu	moving	81.6K	₩81,600	-87.9%	₩6.7B ($4.6M)
2024-06-01	BUY	신규선임	김명우 Myungwoo Kim	moving	760	₩81,600	-87.9%	₩62M ($43K)
2024-05-21	BUY	기타	류광지 Gwangji Ryu	CEO	923.5K	₩90,900	-89.1%	₩83.9B ($58.3M)
2024-04-26	SELL	장외매도	류광지 Gwangji Ryu	CEO	-923.5K	₩92,000	+89.2%	₩85.0B ($59.0M)
2024-04-03	SELL	시간외매매	류광지 Gwangji Ryu	CEO	-2.3M	₩114,400	+91.3%	₩263.1B ($182.7M)

Frequently asked questions

Who has been buying Geumyang stock?: 3 distinct insiders have filed 3 disclosed insider purchases in Geumyang (001570), most recently on 2026-03-31. 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 Geumyang have?: Geumyang has 3 buy-side and 2 sell-side disclosures on record, covering ₩145M ($101K) in total reported value, spanning 2024-04-03 to 2026-03-31.
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.