Who has been buying Doosan Energy stock?

58 distinct insiders have filed 102 disclosed insider purchases in Doosan Energy (034020), 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 Doosan Energy have?

Doosan Energy has 102 buy-side and 21 sell-side disclosures on record, covering ₩16.0B ($11.1M) in total reported value, spanning 2022-01-28 to 2026-05-07.

Where does StockDrifts get Doosan Energy 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 Energy 034020

Company

두산에너빌리티Doosan Energy

Insiders

Buys

102

Total Value

₩16.0B ($11.1M)

Avg Return

+77.29%

Last Filing

2026-05-07

Doosan Energy (034020) has 102 disclosed insider purchases and 21 disclosed disposals on record, filed by 58 distinct insiders. Together those filings cover ₩16.0B ($11.1M) in reported transaction value. The earliest filing StockDrifts holds for Doosan Energy is dated 2022-01-28; 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 +77.29%, 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
2026-05-07	SELL	Market Sell	노학준 Hakjun Noh	Managing Director	-5.0K	-	-	-
2026-04-16	BUY	기타	김군수 Governor Kim	Managing Director	401	₩110,800	+2.4%	₩44M ($31K)
2026-03-04	BUY	PROGRAM	류제욱 Ryu Je-wook	Managing Director	666	₩80,600	+21.7%	₩54M ($37K)
2026-03-04	BUY	PROGRAM	이희범 Heebeom Lee	Managing Director	458	₩80,600	+21.7%	₩37M ($26K)
2026-03-04	BUY	PROGRAM	박동범 Park Dong-beom	Managing Director	785	₩80,600	+21.7%	₩63M ($44K)
2026-03-04	BUY	PROGRAM	김종석 Kim Jong-seok	Managing Director	1.4K	₩80,600	+21.7%	₩114M ($79K)
2026-03-04	BUY	PROGRAM	김재갑 Kim Jae-gap	Managing Director	800	₩80,600	+21.7%	₩64M ($45K)
2026-03-04	BUY	PROGRAM	김봉준 Bongjun Kim	Managing Director	622	₩80,600	+21.7%	₩50M ($35K)
2026-03-04	BUY	PROGRAM	강석주 Seokju Kang	Managing Director	975	₩80,600	+21.7%	₩79M ($55K)
2026-03-04	BUY	PROGRAM	이동수 Dongsoo Lee	vice president	723	₩80,600	+21.7%	₩58M ($40K)
2026-03-04	BUY	PROGRAM	윤요한 Yoon Yohan	vice president	8.1K	₩80,600	+21.7%	₩656M ($455K)
2026-03-04	BUY	PROGRAM	손승우 Seungwoo Son	vice president	778	₩80,600	+21.7%	₩63M ($44K)
2026-03-04	BUY	PROGRAM	김동철 Kim Dong-cheol	vice president	713	₩80,600	+21.7%	₩57M ($40K)
2026-03-04	BUY	PROGRAM	송용진 Song Yong-jin	president	2.1K	₩80,600	+21.7%	₩173M ($120K)
2026-03-04	BUY	PROGRAM	장록재 Jangrokjae	Managing Director	862	₩80,600	+21.7%	₩69M ($48K)
2026-03-04	BUY	PROGRAM	김종두 Kim Jong-du	president	983	₩80,600	+21.7%	₩79M ($55K)
2026-03-04	BUY	PROGRAM	최경식 Choi Kyung-sik	Managing Director	603	₩80,600	+21.7%	₩49M ($34K)
2026-03-04	BUY	PROGRAM	이광열 Lee Gwang-yeol	Managing Director	1.3K	₩80,600	+21.7%	₩105M ($73K)
2026-03-04	BUY	PROGRAM	전종민 Jeon Jong-min	Managing Director	714	₩80,600	+21.7%	₩58M ($40K)
2026-03-04	BUY	PROGRAM	장세영 Seyoung Jang	Managing Director	668	₩80,600	+21.7%	₩54M ($37K)
2026-03-04	BUY	PROGRAM	김동길 Kim Dong-gil	Managing Director	743	₩80,600	+21.7%	₩60M ($42K)
2026-03-04	BUY	PROGRAM	박영길 Park Young-gil	Managing Director	593	₩80,600	+21.7%	₩48M ($33K)
2026-03-04	BUY	PROGRAM	노학준 Hakjun Noh	Managing Director	1.1K	₩80,600	+21.7%	₩86M ($60K)
2026-03-04	BUY	PROGRAM	이현호 Hyunho Lee	vice president	1.9K	₩80,600	+21.7%	₩156M ($108K)
2026-03-04	BUY	PROGRAM	박상현 Sanghyun Park	president	518	₩80,600	+21.7%	₩42M ($29K)
2026-03-04	BUY	PROGRAM	박지원 Park Ji-won	Chairman	18.6K	₩80,600	+21.7%	₩1.5B ($1.0M)
2026-03-04	BUY	PROGRAM	박칠규 Park Chil-gyu	Managing Director	680	₩80,600	+21.7%	₩55M ($38K)
2026-03-04	BUY	PROGRAM	이성우 Seongwoo Lee	Managing Director	453	₩80,600	+21.7%	₩37M ($25K)
2026-03-04	BUY	PROGRAM	김건주 Kim Geon-ju	Managing Director	890	₩80,600	+21.7%	₩72M ($50K)
2026-03-04	BUY	PROGRAM	홍성명 Seongmyeong Hong	Managing Director	1.1K	₩80,600	+21.7%	₩87M ($61K)
2026-03-04	BUY	PROGRAM	정영칠 Youngchil Jeong	Managing Director	517	₩80,600	+21.7%	₩42M ($29K)
2026-03-04	BUY	PROGRAM	임광재 Gwangjae Lim	Managing Director	644	₩80,600	+21.7%	₩52M ($36K)
2026-03-04	BUY	PROGRAM	이성열 Lee Seong-yeol	Managing Director	535	₩80,600	+21.7%	₩43M ($30K)
2026-03-04	BUY	PROGRAM	정연인 Jeong Yeon-in	vice president	4.0K	₩80,600	+21.7%	₩322M ($224K)
2026-03-04	BUY	PROGRAM	육심균 Yuk Shim-gyun	Managing Director	726	₩80,600	+21.7%	₩59M ($41K)
2026-03-04	BUY	PROGRAM	김덕수 Deoksu Kim	Managing Director	813	₩80,600	+21.7%	₩66M ($46K)
2026-03-04	BUY	PROGRAM	홍종철 Hong Jong-cheol	Managing Director	563	₩80,600	+21.7%	₩45M ($32K)
2026-03-04	BUY	PROGRAM	김종봉 Jongbong Kim	Managing Director	693	₩80,600	+21.7%	₩56M ($39K)
2026-03-04	BUY	PROGRAM	박승민 Seungmin Park	Managing Director	687	₩80,600	+21.7%	₩55M ($38K)
2026-03-04	BUY	PROGRAM	박종연 Park Jong-yeon	Managing Director	656	₩80,600	+21.7%	₩53M ($37K)
2026-03-04	BUY	PROGRAM	송치욱 Song Chi-wook	Managing Director	516	₩80,600	+21.7%	₩42M ($29K)
2026-03-04	BUY	PROGRAM	신동규 Shin Dong-gyu	Managing Director	480	₩80,600	+21.7%	₩39M ($27K)
2026-03-04	BUY	PROGRAM	이상언 Lee Sang-eon	Managing Director	699	₩80,600	+21.7%	₩56M ($39K)
2026-03-04	BUY	PROGRAM	이정원 Lee Jeong-won	Managing Director	675	₩80,600	+21.7%	₩54M ($38K)
2026-03-04	BUY	PROGRAM	이한희 Hanhee Lee	Managing Director	679	₩80,600	+21.7%	₩55M ($38K)
2026-03-04	BUY	PROGRAM	임영기 Younggi Lim	Managing Director	466	₩80,600	+21.7%	₩38M ($26K)
2026-03-04	BUY	PROGRAM	최용길 Choi Yong-gil	Managing Director	653	₩80,600	+21.7%	₩53M ($37K)
2026-03-04	BUY	PROGRAM	최남수 Namsu Choi	Managing Director	408	₩80,600	+21.7%	₩33M ($23K)
2026-03-04	BUY	PROGRAM	조창열 Cho Chang-yeol	Managing Director	475	₩80,600	+21.7%	₩38M ($27K)
2026-03-04	BUY	PROGRAM	정태진 Taejin Jeong	Managing Director	765	₩80,600	+21.7%	₩62M ($43K)

Showing the 50 most recent of 162 filings.

Frequently asked questions

Who has been buying Doosan Energy stock?: 58 distinct insiders have filed 102 disclosed insider purchases in Doosan Energy (034020), 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 Doosan Energy have?: Doosan Energy has 102 buy-side and 21 sell-side disclosures on record, covering ₩16.0B ($11.1M) in total reported value, spanning 2022-01-28 to 2026-05-07.
Where does StockDrifts get Doosan Energy 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 Energy. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.