Who has been buying Hansung Enterprise stock?

4 distinct insiders have filed 40 disclosed insider purchases in Hansung Enterprise (003680), most recently on 2025-08-05. 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 Hansung Enterprise have?

Hansung Enterprise has 40 buy-side and 4 sell-side disclosures on record, covering ₩508M ($353K) in total reported value, spanning 2024-02-28 to 2025-08-05.

Where does StockDrifts get Hansung Enterprise 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.

Hansung Enterprise 003680

Company

한성기업Hansung Enterprise

Insiders

Buys

Total Value

₩508M ($353K)

Avg Return

+4.80%

Last Filing

2025-08-05

Hansung Enterprise (003680) has 40 disclosed insider purchases and 4 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩508M ($353K) in reported transaction value. The earliest filing StockDrifts holds for Hansung Enterprise is dated 2024-02-28; the most recent is 2025-08-05. 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 +4.80%, 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
2025-08-05	SELL	Market Sell	정승인 Jeong Seung-in	president	-12.0K	₩5,520	+2.4%	₩66M ($46K)
2025-07-25	SELL	Market Sell	한병수 Byeongsu Han	moving	-5.1K	₩5,110	-5.5%	₩26M ($18K)
2025-06-09	SELL	Market Sell	정승인 Jeong Seung-in	president	-7.8K	₩5,270	-2.3%	₩41M ($28K)
2024-12-04	BUY	Market Buy	정승인 Jeong Seung-in	president	1.8K	₩4,850	+11.1%	₩9M ($6K)
2024-11-19	BUY	Market Buy	정승인 Jeong Seung-in	president	1.0K	₩4,865	+10.8%	₩5M ($3K)
2024-11-15	BUY	Market Buy	정승인 Jeong Seung-in	president	1.5K	₩4,735	+13.8%	₩7M ($5K)
2024-11-15	BUY	Market Buy	한병수 Byeongsu Han	moving	296	₩4,735	+13.8%	₩1M ($973)
2024-11-14	BUY	Market Buy	한병수 Byeongsu Han	moving	4.8K	₩4,570	+17.9%	₩22M ($15K)
2024-11-14	BUY	Market Buy	정승인 Jeong Seung-in	president	3.8K	₩4,570	+17.9%	₩18M ($12K)
2024-11-13	BUY	신규보고	김도화 Kim Do-hwa	moving	482	₩4,565	+18.1%	₩2M ($2K)
2024-11-13	BUY	Market Buy	정승인 Jeong Seung-in	president	1.0K	₩4,565	+18.1%	₩5M ($3K)
2024-11-12	BUY	Market Buy	정승인 Jeong Seung-in	president	500	₩4,665	+15.5%	₩2M ($2K)
2024-11-11	BUY	Market Buy	정승인 Jeong Seung-in	president	8.7K	₩4,860	+10.9%	₩42M ($29K)
2024-10-29	BUY	Market Buy	정승인 Jeong Seung-in	president	200	₩5,150	+4.7%	₩1M ($715)
2024-10-28	BUY	Market Buy	정승인 Jeong Seung-in	president	1.9K	₩5,230	+3.1%	₩10M ($7K)
2024-10-25	BUY	Market Buy	정승인 Jeong Seung-in	president	500	₩5,070	+6.3%	₩3M ($2K)
2024-10-24	BUY	Market Buy	정승인 Jeong Seung-in	president	5.5K	₩5,060	+6.5%	₩28M ($19K)
2024-09-10	BUY	Market Buy	정승인 Jeong Seung-in	president	1.0K	₩5,090	+5.9%	₩5M ($4K)
2024-09-09	BUY	Market Buy	정승인 Jeong Seung-in	president	5.6K	₩5,160	+4.5%	₩29M ($20K)
2024-09-06	BUY	Market Buy	정승인 Jeong Seung-in	president	1.0K	₩5,110	+5.5%	₩5M ($4K)
2024-09-03	BUY	Market Buy	정승인 Jeong Seung-in	president	250	₩5,550	-2.9%	₩1M ($964)
2024-09-02	BUY	Market Buy	정승인 Jeong Seung-in	president	500	₩5,430	-0.7%	₩3M ($2K)
2024-08-30	BUY	Market Buy	정승인 Jeong Seung-in	president	990	₩5,410	-0.4%	₩5M ($4K)
2024-08-28	BUY	Market Buy	정승인 Jeong Seung-in	president	1.1K	₩5,390	+0.0%	₩6M ($4K)
2024-08-27	BUY	Market Buy	정승인 Jeong Seung-in	president	1.0K	₩5,470	-1.5%	₩5M ($4K)
2024-08-26	BUY	Market Buy	정승인 Jeong Seung-in	president	1.0K	₩5,350	+0.8%	₩5M ($4K)
2024-08-22	BUY	Market Buy	정승인 Jeong Seung-in	president	2.0K	₩5,420	-0.6%	₩11M ($8K)
2024-08-21	BUY	Market Buy	정승인 Jeong Seung-in	president	4.0K	₩5,540	-2.7%	₩22M ($15K)
2024-08-07	BUY	Market Buy	정승인 Jeong Seung-in	president	3.3K	₩5,870	-8.2%	₩19M ($13K)
2024-06-17	SELL	Market Sell	한병수 Byeongsu Han	moving	-100	₩10,410	+48.2%	₩1M ($723)
2024-04-19	BUY	Market Buy	최병운 Choi Byungwoon	moving	500	₩4,955	+8.8%	₩2M ($2K)
2024-04-18	BUY	Market Buy	정승인 Jeong Seung-in	president	5.0K	₩5,050	+6.7%	₩25M ($18K)
2024-04-18	BUY	신규보고	배중호 Bae Joong-ho	moving	500	₩5,050	+6.7%	₩3M ($2K)
2024-04-17	BUY	Market Buy	정승인 Jeong Seung-in	president	4.0K	₩4,900	+10.0%	₩20M ($14K)
2024-04-08	BUY	Market Buy	정승인 Jeong Seung-in	president	500	₩5,250	+2.7%	₩3M ($2K)
2024-04-05	BUY	신규보고	권영광 Youngkwang Kwon	moving	500	₩5,140	+4.9%	₩3M ($2K)
2024-04-05	BUY	Market Buy	정승인 Jeong Seung-in	president	2.0K	₩5,140	+4.9%	₩10M ($7K)
2024-04-05	BUY	Market Buy	황우연 Wooyeon Hwang	moving	780	₩5,140	+4.9%	₩4M ($3K)
2024-03-28	BUY	신규보고	최병운 Choi Byungwoon	moving	500	₩5,450	-1.1%	₩3M ($2K)
2024-03-28	BUY	신규보고	김말권 Kim Mal-kwon	moving	500	₩5,450	-1.1%	₩3M ($2K)
2024-03-20	BUY	Market Buy	정승인 Jeong Seung-in	president	108	₩6,320	-14.7%	₩683K ($474)
2024-03-19	BUY	Market Buy	황우연 Wooyeon Hwang	moving	420	₩5,630	-4.3%	₩2M ($2K)
2024-03-18	BUY	신규보고	황우연 Wooyeon Hwang	moving	100	₩5,700	-5.4%	₩570K ($396)
2024-03-13	BUY	신규보고	박완수 Park Wan-su	Managing Director	500	₩5,230	+3.1%	₩3M ($2K)
2024-03-13	BUY	Market Buy	정승인 Jeong Seung-in	president	1.5K	₩5,230	+3.1%	₩8M ($5K)
2024-03-08	BUY	Market Buy	정승인 Jeong Seung-in	president	346	₩5,340	+0.9%	₩2M ($1K)
2024-03-07	BUY	Market Buy	정승인 Jeong Seung-in	president	1.1K	₩5,270	+2.3%	₩6M ($4K)
2024-03-06	BUY	Market Buy	정승인 Jeong Seung-in	president	2.0K	₩5,330	+1.1%	₩11M ($7K)
2024-03-04	BUY	Market Buy	정승인 Jeong Seung-in	president	68	₩5,460	-1.3%	₩371K ($258)
2024-02-29	BUY	Market Buy	정승인 Jeong Seung-in	president	400	₩5,600	-3.8%	₩2M ($2K)

Showing the 50 most recent of 51 filings.

Frequently asked questions

Who has been buying Hansung Enterprise stock?: 4 distinct insiders have filed 40 disclosed insider purchases in Hansung Enterprise (003680), most recently on 2025-08-05. 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 Hansung Enterprise have?: Hansung Enterprise has 40 buy-side and 4 sell-side disclosures on record, covering ₩508M ($353K) in total reported value, spanning 2024-02-28 to 2025-08-05.
Where does StockDrifts get Hansung Enterprise 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 Hansung Enterprise. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.