Who has been buying Samsung Heavy Industries stock?

18 distinct insiders have filed 20 disclosed insider purchases in Samsung Heavy Industries (010140), most recently on 2026-07-13. 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 Samsung Heavy Industries have?

Samsung Heavy Industries has 20 buy-side and 1 sell-side disclosures on record, covering ₩1.2B ($808K) in total reported value, spanning 2023-11-30 to 2026-07-13.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Samsung Heavy Industries 010140

Company

삼성중공업Samsung Heavy Industries

Insiders

Buys

Total Value

₩1.2B ($808K)

Avg Return

+16.68%

Last Filing

2026-07-13

Samsung Heavy Industries (010140) has 20 disclosed insider purchases and 1 disclosed disposals on record, filed by 18 distinct insiders. Together those filings cover ₩1.2B ($808K) in reported transaction value. The earliest filing StockDrifts holds for Samsung Heavy Industries is dated 2023-11-30; the most recent is 2026-07-13. Across these filings the average return since disclosure is +16.68%, 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
2026-08-12	BUY	기타	임종진 Jongjin Lim	vice president	9.3K	₩21,750	+2.5%	₩202M ($140K)
2026-08-04	BUY	Market Buy	류광현 Gwanghyeon Ryu	Managing Director	941	₩21,650	+2.5%	₩20M ($14K)
2026-08-04	BUY	Market Buy	박용구 Park Yong-gu	Managing Director	649	₩21,650	+0.0%	₩14M ($10K)
2026-07-29	BUY	Market Buy	권혁수 Hyuksoo Kwon	Managing Director	1.0K	₩19,400	+10.1%	₩23M ($16K)
2026-07-22	BUY	Market Buy	김현호 Hyunho Kim	Managing Director	1.0K	₩21,600	+6.0%	₩21M ($15K)
2026-07-22	BUY	Market Buy	김동주 Kim Dong-ju	Managing Director	2.0K	₩21,600	+6.0%	₩43M ($30K)
2026-07-21	BUY	Market Buy	방호열 protective fever	Managing Director	1.0K	₩21,250	+0.5%	₩22M ($15K)
2026-07-20	BUY	Market Buy	허희영 Heo Hee-young	Managing Director	1.5K	₩20,950	+9.3%	₩33M ($23K)
2026-07-13	BUY	Market Buy	윤기원 Yoon Ki-won	Managing Director	2.5K	₩22,050	+1.1%	₩53M ($37K)
2026-07-10	BUY	Market Buy	박철희 Park Cheol-hee	Managing Director	1.1K	₩22,350	-0.2%	₩24M ($17K)
2026-07-10	BUY	Market Buy	정인호 Inho Jeong	Managing Director	3.0K	₩22,350	-0.2%	₩63M ($44K)
2026-07-10	BUY	Market Buy	이동현 Donghyun Lee	vice president	3.0K	₩22,350	-0.2%	₩67M ($46K)
2026-07-08	BUY	Market Buy	남궁금성 Nangong Venus	vice president	1.3K	₩21,150	-0.9%	₩28M ($19K)
2026-07-07	BUY	Market Buy	안동민 Ahn Dong-min	Managing Director	507	₩22,450	-6.7%	₩11M ($8K)
2026-07-07	BUY	Market Buy	김경수 Kyungsoo Kim	Managing Director	3.0K	₩22,450	-6.7%	₩67M ($47K)
2026-07-06	BUY	Market Buy	이왕근 Lee Wang-geun	vice president	5.0K	₩23,700	-11.6%	₩119M ($82K)
2026-07-06	BUY	Market Buy	안동민 Ahn Dong-min	Managing Director	493	₩23,700	-11.6%	₩12M ($8K)
2026-07-02	BUY	Market Buy	이병선 Byungseon Lee	Managing Director	1.0K	₩22,950	-8.7%	₩23M ($16K)
2026-07-01	BUY	Market Buy	이호기 Hogi Lee	Managing Director	1.0K	-	-	-
2026-07-01	BUY	Market Buy	김경희 Kyunghee Kim	vice president	6.7K	-	-	-
2026-06-30	BUY	Market Buy	이승훈 Seunghoon Lee	Managing Director	4.0K	-	-	-
2026-06-30	BUY	Market Buy	염철성 Yeomcheolseong	Managing Director	3.0K	-	-	-
2026-06-30	BUY	Market Buy	윤재균 Jaekyun Yoon	vice president	4.0K	-	-	-
2026-06-29	BUY	Market Buy	이성락 Seongrak Lee	vice president	2.0K	-	-	-
2026-06-29	BUY	Market Buy	류광현 Gwanghyeon Ryu	Managing Director	294	₩24,450	-12.7%	₩7M ($5K)
2026-06-26	BUY	Market Buy	류광현 Gwanghyeon Ryu	Managing Director	120	₩23,000	-7.2%	₩3M ($2K)
2026-06-26	BUY	Market Buy	최성안 Seongan Choi	vice president	10.0K	-	-	-
2026-06-24	BUY	Market Buy	안영규 Ahn Young-gyu	vice president	3.8K	-	-	-
2025-11-27	BUY	신규선임	황원준 Wonjun Hwang	Managing Director	160	₩25,300	+15.6%	₩4M ($3K)
2025-11-27	BUY	신규선임	권혁수 Hyuksoo Kwon	Managing Director	600	₩25,300	+15.6%	₩15M ($11K)
2024-12-04	BUY	신규선임	박용구 Park Yong-gu	Managing Director	4.4K	₩11,050	+164.7%	₩48M ($33K)
2024-12-04	BUY	신규선임	민준호 Min Jun-ho	Managing Director	7.0K	₩11,050	+164.7%	₩77M ($54K)
2024-04-02	BUY	Market Buy	최성안 Seongan Choi	vice president	60.0K	₩8,650	+238.2%	₩519M ($360K)
2024-02-29	SELL	Market Sell	이왕근 Lee Wang-geun	vice president	-21.3K	₩7,900	-270.3%	₩168M ($117K)
2024-02-26	BUY	Market Buy	윤병협 Byeonghyeop Yoon	Managing Director	1.4K	₩7,410	+294.7%	₩10M ($7K)
2023-12-06	SELL	임원퇴임	염철성 Yeomcheolseong	Managing Director	-1.7K	-	-	-
2023-11-30	BUY	신규선임	윤병협 Byeonghyeop Yoon	Managing Director	9	₩7,980	+266.5%	₩72K ($50)

Frequently asked questions

Who has been buying Samsung Heavy Industries stock?: 18 distinct insiders have filed 20 disclosed insider purchases in Samsung Heavy Industries (010140), most recently on 2026-07-13. 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 Samsung Heavy Industries have?: Samsung Heavy Industries has 20 buy-side and 1 sell-side disclosures on record, covering ₩1.2B ($808K) in total reported value, spanning 2023-11-30 to 2026-07-13.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.