Who has been buying Haeseong DS stock?

2 distinct insiders have filed 10 disclosed insider purchases in Haeseong DS (195870), most recently on 2026-05-29. 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 Haeseong DS have?

Haeseong DS has 10 buy-side and 2 sell-side disclosures on record, covering ₩73M ($51K) in total reported value, spanning 2023-02-07 to 2026-05-29.

Where does StockDrifts get Haeseong DS 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.

Haeseong DS 195870

Company

해성디에스Haeseong DS

Insiders

Buys

Total Value

₩73M ($51K)

Avg Return

+13.58%

Last Filing

2026-05-29

Haeseong DS (195870) has 10 disclosed insider purchases and 2 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩73M ($51K) in reported transaction value. The earliest filing StockDrifts holds for Haeseong DS is dated 2023-02-07; the most recent is 2026-05-29. 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 +13.58%, 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
2026-05-29	BUY	Market Buy	김남석 Namseok Kim	Outside Director	125	₩89,100	-14.6%	₩11M ($8K)
2026-05-13	BUY	Market Buy	김남석 Namseok Kim	Outside Director	55	₩86,800	-12.3%	₩5M ($3K)
2026-05-11	SELL	Market Sell	이동주 Lee Dong-ju	moving	-400	₩85,400	-6.1%	₩34M ($24K)
2026-05-11	BUY	Market Buy	김남석 Namseok Kim	Outside Director	62	₩85,400	-10.9%	₩5M ($4K)
2026-05-11	SELL	Market Sell	김남석 Namseok Kim	Outside Director	-62	₩85,400	+10.9%	₩5M ($4K)
2025-12-31	BUY	기타	홍석현 Seokhyun Hong	vice president	143	₩54,800	+6.6%	₩8M ($5K)
2025-12-31	SELL	임원퇴임	김정일 Kim Jong-il	moving	-9.5K	₩54,800	-6.6%	₩522M ($362K)
2025-12-31	BUY	기타	김정일 Kim Jong-il	moving	3.5K	₩54,800	+6.6%	₩190M ($132K)
2025-12-31	SELL	임원퇴임	홍석현 Seokhyun Hong	vice president	-1.4K	₩54,800	-6.6%	₩78M ($54K)
2025-12-31	BUY	기타	정재은 Jeong Jae-eun	moving	500	₩54,800	+6.6%	₩27M ($19K)
2025-05-13	BUY	Market Buy	이동주 Lee Dong-ju	moving	50	-	-	-
2025-04-30	BUY	Market Buy	이동주 Lee Dong-ju	moving	100	-	-	-
2025-01-01	BUY	신규선임	이원진 Wonjin Lee	moving	740	₩23,150	+152.3%	₩17M ($12K)
2025-01-01	BUY	신규선임	최정현 Jeonghyeon Choi	moving	5.8K	₩23,150	+152.3%	₩134M ($93K)
2024-12-31	SELL	임원퇴임	김준현 Junhyeon Kim	Managing Director	-21.0K	₩23,150	-152.3%	₩487M ($338K)
2024-12-31	BUY	기타	송익준 Song Ikjun	moving	2.0K	₩23,150	+152.3%	₩45M ($32K)
2024-12-31	SELL	임원퇴임	송익준 Song Ikjun	moving	-17.3K	₩23,150	-152.3%	₩400M ($278K)
2024-12-31	BUY	기타	천우광 Cheon Woo-gwang	Managing Director	334	₩23,150	+152.3%	₩8M ($5K)
2024-12-31	BUY	기타	김준현 Junhyeon Kim	Managing Director	3.0K	₩23,150	+152.3%	₩69M ($48K)
2024-12-31	SELL	임원퇴임	천우광 Cheon Woo-gwang	Managing Director	-334	₩23,150	-152.3%	₩8M ($5K)
2024-12-31	BUY	기타	김대욱 Daewook Kim	moving	1.3K	₩23,150	+152.3%	₩30M ($21K)
2024-12-31	SELL	임원퇴임	김대욱 Daewook Kim	moving	-1.4K	₩23,150	-152.3%	₩32M ($22K)
2024-12-06	BUY	기타	정재은 Jeong Jae-eun	moving	300	₩21,550	+171.0%	₩6M ($4K)
2024-09-27	BUY	기타	전대식 Jeon Dae-sik	moving	800	₩29,100	+100.7%	₩23M ($16K)
2024-07-29	BUY	Market Buy	이동주 Lee Dong-ju	moving	100	₩36,200	+61.3%	₩4M ($3K)
2024-07-04	SELL	시간외매매	단우준 Dan Woojun	New product research director	-186.0K	₩45,600	-28.1%	₩8.5B ($5.9M)
2024-07-04	BUY	시간외매매	단재완 Jaewan Dan	Chairman	372.0K	₩45,600	+28.1%	₩17.0B ($11.8M)
2024-07-04	SELL	시간외매매	단우영 Dan Wooyoung	Research Planning Director	-186.0K	₩45,600	-28.1%	₩8.5B ($5.9M)
2024-03-04	BUY	Market Buy	이동주 Lee Dong-ju	moving	100	₩48,000	+21.7%	₩5M ($3K)
2024-02-29	BUY	Market Buy	이동주 Lee Dong-ju	moving	20	₩46,150	+26.5%	₩923K ($641)
2024-02-09	BUY	Market Buy	이동주 Lee Dong-ju	moving	50	₩50,300	+16.1%	₩3M ($2K)
2023-02-07	BUY	Market Buy	이동주 Lee Dong-ju	moving	20	₩40,800	+43.1%	₩816K ($567)

Frequently asked questions

Who has been buying Haeseong DS stock?: 2 distinct insiders have filed 10 disclosed insider purchases in Haeseong DS (195870), most recently on 2026-05-29. 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 Haeseong DS have?: Haeseong DS has 10 buy-side and 2 sell-side disclosures on record, covering ₩73M ($51K) in total reported value, spanning 2023-02-07 to 2026-05-29.
Where does StockDrifts get Haeseong DS 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 Haeseong DS. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.