Who has been buying Sungshin Cement Association stock?

3 distinct insiders have filed 20 disclosed insider purchases in Sungshin Cement Association (004980), most recently on 2026-06-11. 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 Sungshin Cement Association have?

Sungshin Cement Association has 20 buy-side and 0 sell-side disclosures on record, covering ₩727M ($505K) in total reported value, spanning 2024-04-03 to 2026-06-11.

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.

Sungshin Cement Association 004980

Company

성신양회Sungshin Cement Association

Insiders

Buys

Total Value

₩727M ($505K)

Avg Return

+32.88%

Last Filing

2026-06-11

Sungshin Cement Association (004980) has 20 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩727M ($505K) in reported transaction value. The earliest filing StockDrifts holds for Sungshin Cement Association is dated 2024-04-03; the most recent is 2026-06-11. Across these filings the average return since disclosure is +32.88%, 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
2026-06-11	BUY	Market Buy	김석현 Seokhyun Kim	president	31.1K	-	-	-
2025-11-24	BUY	신규선임	전인서 Jeon In-seo	Assistant Managing Director	15	₩9,550	+9.8%	₩143K ($99)
2025-10-20	SELL	증여	김영준 Youngjun Kim	Honorary Chairman	-2.8M	₩9,530	-10.1%	₩26.6B ($18.5M)
2025-10-20	BUY	신규보고	이에스파워 ES Power	-	683.2K	₩9,530	+10.1%	₩6.5B ($4.5M)
2025-10-20	BUY	신규주요주주	이에스파워 ES Power	-	2.8M	₩9,530	+10.1%	₩26.6B ($18.5M)
2024-12-17	BUY	Market Buy	한인호 Inho Han	CEO	5.0K	₩7,700	+36.2%	₩39M ($27K)
2024-12-16	BUY	Market Buy	김석현 Seokhyun Kim	president	1.5K	₩7,680	+36.6%	₩11M ($8K)
2024-12-13	BUY	Market Buy	김석현 Seokhyun Kim	president	2.0K	₩7,530	+39.3%	₩15M ($11K)
2024-12-12	BUY	Market Buy	김석현 Seokhyun Kim	president	2.0K	₩7,590	+38.2%	₩15M ($11K)
2024-12-11	BUY	Market Buy	김석현 Seokhyun Kim	president	5.1K	₩7,550	+38.9%	₩39M ($27K)
2024-12-10	BUY	Market Buy	김석현 Seokhyun Kim	president	3.0K	₩7,300	+43.7%	₩22M ($15K)
2024-11-06	BUY	Market Buy	김태현 Taehyun Kim	Chairman	4.6K	₩8,040	+30.5%	₩37M ($26K)
2024-11-05	BUY	Market Buy	김태현 Taehyun Kim	Chairman	4.0K	₩7,970	+31.6%	₩32M ($22K)
2024-11-04	BUY	Market Buy	김태현 Taehyun Kim	Chairman	1.0K	₩8,010	+31.0%	₩8M ($6K)
2024-10-31	BUY	Market Buy	김태현 Taehyun Kim	Chairman	3.0K	₩8,050	+30.3%	₩24M ($17K)
2024-10-30	BUY	Market Buy	김태현 Taehyun Kim	Chairman	10.1K	₩8,050	+30.3%	₩81M ($56K)
2024-10-16	BUY	Market Buy	김태현 Taehyun Kim	Chairman	2.5K	₩8,010	+31.0%	₩20M ($14K)
2024-10-15	BUY	Market Buy	김태현 Taehyun Kim	Chairman	2.1K	₩8,020	+30.8%	₩16M ($11K)
2024-10-14	BUY	Market Buy	김태현 Taehyun Kim	Chairman	1.5K	₩8,030	+30.6%	₩12M ($8K)
2024-10-11	BUY	Market Buy	김태현 Taehyun Kim	Chairman	2.2K	₩8,030	+30.6%	₩18M ($12K)
2024-10-10	BUY	Market Buy	김태현 Taehyun Kim	Chairman	3.3K	₩8,030	+30.6%	₩27M ($18K)
2024-10-08	BUY	Market Buy	김태현 Taehyun Kim	Chairman	18.5K	₩8,020	+30.8%	₩149M ($103K)
2024-10-07	BUY	Market Buy	김태현 Taehyun Kim	Chairman	15.0K	₩8,020	+30.8%	₩120M ($83K)
2024-04-03	BUY	Market Buy	한인호 Inho Han	CEO	5.0K	₩8,540	+22.8%	₩43M ($30K)

Frequently asked questions

Who has been buying Sungshin Cement Association stock?: 3 distinct insiders have filed 20 disclosed insider purchases in Sungshin Cement Association (004980), most recently on 2026-06-11. 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 Sungshin Cement Association have?: Sungshin Cement Association has 20 buy-side and 0 sell-side disclosures on record, covering ₩727M ($505K) in total reported value, spanning 2024-04-03 to 2026-06-11.
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.