Who has been buying Doosan stock?

5 distinct insiders have filed 30 disclosed insider purchases in Doosan (000150), most recently on 2026-06-04. 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 Doosan have?

Doosan has 30 buy-side and 27 sell-side disclosures on record, covering ₩136.1B ($94.5M) in total reported value, spanning 2019-10-01 to 2026-06-04.

Where does StockDrifts get Doosan 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.

Doosan 000150

Company

두산Doosan

Insiders

Buys

Total Value

₩136.1B ($94.5M)

Avg Return

+66.11%

Last Filing

2026-06-04

Doosan (000150) has 30 disclosed insider purchases and 27 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩136.1B ($94.5M) in reported transaction value. The earliest filing StockDrifts holds for Doosan is dated 2019-10-01; the most recent is 2026-06-04. 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 +66.11%, 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
2026-06-04	SELL	Market Sell	박명석 Park Myung-seok	Managing Director	-90	₩1,800,000	+3.3%	₩162M ($113K)
2026-06-02	SELL	Market Sell	박명석 Park Myung-seok	Managing Director	-686	₩1,918,000	+9.3%	₩1.3B ($914K)
2026-06-01	SELL	Market Sell	박명석 Park Myung-seok	Managing Director	-60	₩2,203,000	+21.0%	₩132M ($92K)
2026-05-29	SELL	Market Sell	박명석 Park Myung-seok	Managing Director	-380	₩1,972,000	+11.8%	₩749M ($520K)
2026-05-12	SELL	Market Sell	국민연금공단 National Pension Service	-	-10.7K	₩1,676,000	-0.4%	₩17.9B ($12.4M)
2026-05-12	BUY	Market Buy	국민연금공단 National Pension Service	-	101	₩1,676,000	+0.4%	₩169M ($118K)
2026-05-11	SELL	Market Sell	국민연금공단 National Pension Service	-	-4.4K	₩1,720,000	+2.2%	₩7.6B ($5.2M)
2026-05-11	BUY	Market Buy	국민연금공단 National Pension Service	-	676	₩1,720,000	-2.2%	₩1.2B ($807K)
2026-05-08	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.3K	₩1,735,000	+3.0%	₩3.9B ($2.7M)
2026-05-08	BUY	Market Buy	국민연금공단 National Pension Service	-	434	₩1,735,000	-3.0%	₩753M ($523K)
2026-05-07	BUY	Market Buy	국민연금공단 National Pension Service	-	519	₩1,817,000	-7.4%	₩943M ($655K)
2026-05-06	BUY	Market Buy	국민연금공단 National Pension Service	-	806	₩1,790,000	-6.0%	₩1.4B ($1.0M)
2026-05-06	BUY	Market Buy	국민연금공단 National Pension Service	-	84	₩1,790,000	-6.0%	₩150M ($104K)
2026-05-06	SELL	Market Sell	국민연금공단 National Pension Service	-	-884	₩1,790,000	+6.0%	₩1.6B ($1.1M)
2026-05-04	SELL	Market Sell	국민연금공단 National Pension Service	-	-4.9K	₩1,705,000	+1.4%	₩8.4B ($5.8M)
2026-05-04	BUY	Market Buy	국민연금공단 National Pension Service	-	64	₩1,705,000	-1.4%	₩109M ($76K)
2026-04-30	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.8K	₩1,596,000	-5.4%	₩2.9B ($2.0M)
2026-04-30	BUY	Market Buy	국민연금공단 National Pension Service	-	6.9K	₩1,596,000	+5.4%	₩11.0B ($7.7M)
2026-04-29	SELL	Market Sell	국민연금공단 National Pension Service	-	-218	₩1,572,000	-7.0%	₩343M ($238K)
2026-04-29	BUY	Market Buy	국민연금공단 National Pension Service	-	4.6K	₩1,572,000	+7.0%	₩7.2B ($5.0M)
2026-04-28	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.3K	₩1,583,000	-6.3%	₩2.0B ($1.4M)
2026-04-28	BUY	Market Buy	국민연금공단 National Pension Service	-	1.4K	₩1,583,000	+6.3%	₩2.2B ($1.5M)
2026-04-28	BUY	Market Buy	국민연금공단 National Pension Service	-	3.7K	₩1,583,000	+6.3%	₩5.9B ($4.1M)
2026-04-27	SELL	Market Sell	국민연금공단 National Pension Service	-	-69	₩1,582,000	-6.3%	₩109M ($76K)
2026-04-27	BUY	Market Buy	국민연금공단 National Pension Service	-	3.8K	₩1,582,000	+6.3%	₩5.9B ($4.1M)
2026-04-24	BUY	신규보고	국민연금공단 National Pension Service	-	16.3K	₩1,541,000	+2.0%	₩25.1B ($17.4M)
2026-04-24	SELL	Market Sell	국민연금공단 National Pension Service	-	-659	₩1,541,000	-2.0%	₩1.0B ($705K)
2026-04-24	BUY	신규주요주주	국민연금공단 National Pension Service	-	3.2K	₩1,541,000	+2.0%	₩5.0B ($3.5M)
2026-04-24	BUY	신규보고	국민연금공단 National Pension Service	-	1.6M	₩1,541,000	+2.0%	₩2.5T ($1.7B)
2026-03-04	BUY	PROGRAM	금동근 Geum Dong-geun	president	1.7K	₩963,000	+24.9%	₩1.7B ($1.2M)
2026-02-25	BUY	PROGRAM	박정원 Park Jeong-won	CEO	16.1K	₩1,165,000	+3.3%	₩18.8B ($13.1M)
2026-02-25	BUY	PROGRAM	신은지 Eunji Shin	Managing Director	229	₩1,165,000	+3.3%	₩267M ($185K)
2026-02-25	BUY	PROGRAM	윤주만 Jooman Yoon	Managing Director	232	₩1,165,000	+3.3%	₩270M ($188K)
2026-02-25	BUY	PROGRAM	김인욱 Inwook Kim	president	232	₩1,165,000	+3.3%	₩270M ($188K)
2026-02-25	BUY	PROGRAM	은홍기 Eunhonggi	vice president	247	₩1,165,000	+3.3%	₩288M ($200K)
2026-02-25	BUY	PROGRAM	배정한 assigned	Managing Director	245	₩1,165,000	+3.3%	₩285M ($198K)
2026-02-25	BUY	PROGRAM	남현수 Hyunsoo Nam	vice president	1.8K	₩1,165,000	+3.3%	₩2.1B ($1.5M)
2026-02-25	BUY	PROGRAM	박명석 Park Myung-seok	Managing Director	670	₩1,165,000	+3.3%	₩781M ($542K)
2026-02-25	BUY	PROGRAM	고승진 Seungjin Go	vice president	773	₩1,165,000	+3.3%	₩901M ($625K)
2026-02-25	BUY	PROGRAM	김용운 Yongun Kim	vice president	789	₩1,165,000	+3.3%	₩919M ($638K)
2026-02-25	BUY	PROGRAM	송석기 Song Seok-gi	Managing Director	390	₩1,165,000	+3.3%	₩454M ($316K)
2026-02-25	BUY	PROGRAM	유승우 Seungwoo Yoo	CEO	815	₩1,165,000	+3.3%	₩949M ($659K)
2026-02-25	BUY	PROGRAM	진보근 Bogeun Jin	president	2.5K	₩1,165,000	+3.3%	₩2.9B ($2.0M)
2026-02-25	BUY	PROGRAM	김민철 Mincheol Kim	CEO	1.1K	₩1,165,000	+3.3%	₩1.3B ($896K)
2026-02-25	BUY	PROGRAM	김진식 Jinsik Kim	Managing Director	663	₩1,165,000	+3.3%	₩772M ($536K)
2026-02-25	BUY	PROGRAM	박지원 Park Ji-won	vice president	5.8K	₩1,165,000	+3.3%	₩6.7B ($4.7M)
2026-02-25	BUY	PROGRAM	박석원 Park Seok-won	president	1.2K	₩1,165,000	+3.3%	₩1.4B ($994K)
2026-02-25	BUY	PROGRAM	김도원 Kim Do-won	president	2.0K	₩1,165,000	+3.3%	₩2.3B ($1.6M)
2026-02-25	BUY	PROGRAM	김상우 Sangwoo Kim	Managing Director	278	₩1,165,000	+3.3%	₩324M ($225K)
2026-02-25	BUY	PROGRAM	김홍일 Hongil Kim	Managing Director	232	₩1,165,000	+3.3%	₩270M ($188K)

Showing the 50 most recent of 117 filings.

Frequently asked questions

Who has been buying Doosan stock?: 5 distinct insiders have filed 30 disclosed insider purchases in Doosan (000150), most recently on 2026-06-04. 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 Doosan have?: Doosan has 30 buy-side and 27 sell-side disclosures on record, covering ₩136.1B ($94.5M) in total reported value, spanning 2019-10-01 to 2026-06-04.
Where does StockDrifts get Doosan 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 Doosan. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.