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.

Where does StockDrifts get Sungshin Cement Association 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.

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. 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 +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.
Where does StockDrifts get Sungshin Cement Association 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 Sungshin Cement Association. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.