Who has been buying Daesung Industry stock?

5 distinct insiders have filed 7 disclosed insider purchases in Daesung Industry (128820), most recently on 2026-05-07. 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 Daesung Industry have?

Daesung Industry has 7 buy-side and 6 sell-side disclosures on record, covering ₩2.8B ($2.0M) in total reported value, spanning 2024-06-03 to 2026-05-07.

Where does StockDrifts get Daesung Industry 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.

Daesung Industry 128820

Company

대성산업Daesung Industry

Insiders

Buys

Total Value

₩2.8B ($2.0M)

Avg Return

+91.09%

Last Filing

2026-05-07

Daesung Industry (128820) has 7 disclosed insider purchases and 6 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩2.8B ($2.0M) in reported transaction value. The earliest filing StockDrifts holds for Daesung Industry is dated 2024-06-03; the most recent is 2026-05-07. 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 +91.09%, 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
2026-08-05	BUY	Market Buy	김영대 Youngdae Kim	Co-CEO Chairman	9.0K	₩4,170	+0.0%	₩36M ($25K)
2026-08-04	BUY	Market Buy	김영대 Youngdae Kim	Co-CEO Chairman	1.8K	₩4,135	+0.8%	₩7M ($5K)
2026-08-03	BUY	Market Buy	김영대 Youngdae Kim	Co-CEO Chairman	20.0K	₩3,960	+5.3%	₩79M ($55K)
2026-07-31	BUY	Market Buy	김영대 Youngdae Kim	Co-CEO Chairman	21.0K	₩4,015	+3.9%	₩78M ($54K)
2026-05-07	BUY	기타	이은우 Eunwoo Lee	Internal director	1.8K	₩6,660	+10.5%	₩12M ($9K)
2026-05-07	BUY	기타	심우람 Shim Woo-ram	moving	321	₩6,660	+10.5%	₩2M ($1K)
2026-05-07	BUY	기타	신동현 Donghyun Shin	moving	117	₩6,660	+10.5%	₩779K ($541)
2026-05-07	BUY	기타	조동호 Dongho Jo	moving	517	₩6,660	+10.5%	₩3M ($2K)
2026-05-07	BUY	기타	이명순 Lee Myung-soon	Managing Director	217	₩6,660	+10.5%	₩1M ($1K)
2026-04-24	BUY	PROGRAM	김정민 Kim Jeong-min	Internal director	2.5K	₩7,060	-7.2%	₩17M ($12K)
2026-04-24	BUY	PROGRAM	이원호 Wonho Lee	Internal director	66	₩7,060	-7.2%	₩466K ($324)
2026-04-24	BUY	PROGRAM	박광호 Park Kwang-ho	president	1	₩7,060	-7.2%	₩7K ($5)
2026-04-24	BUY	PROGRAM	차정현 Cha Jeong-hyeon	Other non-executive directors	11.3K	₩7,060	-7.2%	₩80M ($55K)
2026-04-24	BUY	PROGRAM	김영대 Youngdae Kim	Co-CEO Chairman	483.9K	₩7,060	-7.2%	₩3.4B ($2.4M)
2026-04-24	BUY	PROGRAM	김신한 Shinhan Kim	Other non-executive directors	66.3K	₩7,060	-7.2%	₩468M ($325K)
2026-04-24	BUY	PROGRAM	김성수 Seongsu Kim	moving	108	₩7,060	-7.2%	₩762K ($530)
2026-04-24	BUY	PROGRAM	이은우 Eunwoo Lee	Internal director	153	₩7,060	-7.2%	₩1M ($750)
2026-03-13	BUY	Market Buy	이원호 Wonho Lee	Internal director	2.0K	-	-	-
2026-03-05	SELL	Market Sell	김신한 Shinhan Kim	Other non-executive directors	-32.8K	-	-	-
2025-12-23	SELL	Market Sell	임완규 Lim Wan-gyu	moving	-11.5K	₩9,810	+2.9%	₩113M ($78K)
2025-12-19	BUY	기타	임완규 Lim Wan-gyu	moving	11.5K	₩10,550	-9.7%	₩121M ($84K)
2025-12-16	SELL	Market Sell	김신한 Shinhan Kim	Other non-executive directors	-90.5K	₩8,030	-18.7%	₩727M ($505K)
2025-12-16	SELL	Market Sell	김정민 Kim Jeong-min	vice president	-15.0K	₩8,030	-18.7%	₩120M ($84K)
2025-12-15	SELL	Market Sell	김신한 Shinhan Kim	Other non-executive directors	-100.0K	₩7,790	-22.3%	₩779M ($541K)
2025-12-08	SELL	Market Sell	김신한 Shinhan Kim	Other non-executive directors	-198.0K	₩5,140	-85.4%	₩1.0B ($707K)
2025-08-05	BUY	신규선임	박광호 Park Kwang-ho	president	36	₩4,430	+115.1%	₩159K ($111)
2025-04-11	BUY	Market Buy	김신한 Shinhan Kim	Other non-executive directors	2.0K	₩3,216	+196.3%	₩6M ($4K)
2025-04-10	BUY	Market Buy	김정민 Kim Jeong-min	vice president	1.0K	₩3,165	+201.1%	₩3M ($2K)
2025-04-09	BUY	Market Buy	김신한 Shinhan Kim	Other non-executive directors	20.0K	₩3,026	+214.9%	₩61M ($42K)
2025-03-28	BUY	신규선임	김신한 Shinhan Kim	Other non-executive directors	2.4M	₩3,381	+181.9%	₩8.1B ($5.6M)
2025-03-25	BUY	Market Buy	김정민 Kim Jeong-min	vice president	1.6K	₩3,520	+170.7%	₩6M ($4K)
2025-03-21	BUY	Market Buy	김정민 Kim Jeong-min	vice president	1.0K	₩3,489	+173.1%	₩3M ($2K)
2025-03-18	BUY	Market Buy	김성수 Seongsu Kim	moving	3.3K	₩3,309	+188.0%	₩11M ($7K)
2024-06-03	BUY	기타	김해기 Kim Hae-gi	moving	31.5K	₩4,491	+112.2%	₩141M ($98K)

Frequently asked questions

Who has been buying Daesung Industry stock?: 5 distinct insiders have filed 7 disclosed insider purchases in Daesung Industry (128820), most recently on 2026-05-07. 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 Daesung Industry have?: Daesung Industry has 7 buy-side and 6 sell-side disclosures on record, covering ₩2.8B ($2.0M) in total reported value, spanning 2024-06-03 to 2026-05-07.
Where does StockDrifts get Daesung Industry 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 Daesung Industry. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.