Who has been buying Heungkuk stock?

3 distinct insiders have filed 1 disclosed insider purchases in Heungkuk (010240), most recently on 2026-04-03. 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 Heungkuk have?

Heungkuk has 1 buy-side and 6 sell-side disclosures on record, covering ₩71M ($49K) in total reported value, spanning 2024-10-18 to 2026-04-03.

Where does StockDrifts get Heungkuk 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.

Heungkuk 010240

Company

흥국Heungkuk

Insiders

Buys

Total Value

₩71M ($49K)

Avg Return

-6.36%

Last Filing

2026-04-03

Heungkuk (010240) has 1 disclosed insider purchases and 6 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩71M ($49K) in reported transaction value. The earliest filing StockDrifts holds for Heungkuk is dated 2024-10-18; the most recent is 2026-04-03. 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 -6.36%, 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
2026-04-03	SELL	Market Sell	석재현 Jaehyun Seok	vice president	-4.7K	₩5,300	-10.8%	₩25M ($17K)
2026-04-01	SELL	Market Sell	석재현 Jaehyun Seok	vice president	-3.1K	₩5,310	-10.6%	₩16M ($11K)
2026-01-16	SELL	Market Sell	류기승 Ryu Ki-seung	vice president	-2.0K	₩4,985	-8.5%	₩10M ($7K)
2026-01-15	BUY	신규보고	석재현 Jaehyun Seok	vice president	7.8K	₩4,990	+8.4%	₩39M ($27K)
2026-01-15	BUY	자사주상여금	류기승 Ryu Ki-seung	vice president	8.1K	₩4,990	+8.4%	₩40M ($28K)
2026-01-15	BUY	자사주상여금	송현의 Song Hyeon-ui	Managing Director	7.5K	₩4,990	+8.4%	₩37M ($26K)
2026-01-15	BUY	자사주상여금	이상운 Lee Sang-un	Managing Director	8.1K	₩4,990	+8.4%	₩40M ($28K)
2026-01-05	BUY	신규선임	황동현 Hwang Dong-hyeon	Managing Director	2.0K	₩5,150	+5.0%	₩10M ($7K)
2025-11-24	SELL	Market Sell	류기승 Ryu Ki-seung	vice president	-500	₩5,070	-6.7%	₩3M ($2K)
2025-09-15	SELL	증여	류종묵 Ryu Jong-mook	Chairman	-20.0K	₩5,110	-5.9%	₩102M ($71K)
2025-07-07	BUY	Market Buy	류기승 Ryu Ki-seung	vice president	390	₩5,270	+2.7%	₩2M ($1K)
2025-07-02	SELL	Market Sell	류기승 Ryu Ki-seung	vice president	-2.3K	₩5,360	-0.9%	₩12M ($9K)
2024-12-01	BUY	신규선임	권형기 Kwon Hyeong-ki	moving	1.9K	₩4,770	+13.4%	₩9M ($6K)
2024-11-06	SELL	Market Sell	박병훈 Park Byeong-hoon	Managing Director	-500	₩4,930	-9.7%	₩2M ($2K)
2024-10-22	SELL	증여	류종묵 Ryu Jong-mook	Chairman	-1.0K	₩4,945	-9.4%	₩5M ($3K)
2024-10-22	SELL	증여	류종묵 Ryu Jong-mook	Chairman	-1.0K	₩4,945	-9.4%	₩5M ($3K)
2024-10-22	SELL	증여	류종묵 Ryu Jong-mook	Chairman	-1.0K	₩4,945	-9.4%	₩5M ($3K)
2024-10-18	BUY	자사주상여금	박병훈 Park Byeong-hoon	Managing Director	500	₩5,000	+8.2%	₩3M ($2K)
2024-10-18	BUY	자사주상여금	이상운 Lee Sang-un	Managing Director	500	₩5,000	+8.2%	₩3M ($2K)
2024-10-18	BUY	자사주상여금	송현의 Song Hyeon-ui	Managing Director	1.8K	₩5,000	+8.2%	₩9M ($6K)
2024-10-18	BUY	자사주상여금	류기승 Ryu Ki-seung	vice president	2.4K	₩5,000	+8.2%	₩12M ($8K)

Frequently asked questions

Who has been buying Heungkuk stock?: 3 distinct insiders have filed 1 disclosed insider purchases in Heungkuk (010240), most recently on 2026-04-03. 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 Heungkuk have?: Heungkuk has 1 buy-side and 6 sell-side disclosures on record, covering ₩71M ($49K) in total reported value, spanning 2024-10-18 to 2026-04-03.
Where does StockDrifts get Heungkuk 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 Heungkuk. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.