Who has been buying HD Hyundai Heavy Industries stock?

4 distinct insiders have filed 5 disclosed insider purchases in HD Hyundai Heavy Industries (329180), most recently on 2026-04-01. 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 HD Hyundai Heavy Industries have?

HD Hyundai Heavy Industries has 5 buy-side and 2 sell-side disclosures on record, covering ₩242M ($168K) in total reported value, spanning 2024-05-21 to 2026-04-01.

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.

HD Hyundai Heavy Industries 329180

Company

HD현대중공업HD Hyundai Heavy Industries

Insiders

Buys

Total Value

₩242M ($168K)

Avg Return

-34.57%

Last Filing

2026-04-01

HD Hyundai Heavy Industries (329180) has 5 disclosed insider purchases and 2 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩242M ($168K) in reported transaction value. The earliest filing StockDrifts holds for HD Hyundai Heavy Industries is dated 2024-05-21; the most recent is 2026-04-01. Across these filings the average return since disclosure is -34.57%, 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
2026-04-01	BUY	Market Buy	이태진 Taejin Lee	Managing Director	10	₩451,500	+45.7%	₩5M ($3K)
2026-03-25	BUY	Market Buy	이태진 Taejin Lee	Managing Director	70	₩523,000	-4.7%	₩37M ($25K)
2026-01-19	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-28.8K	₩648,000	+6.3%	₩18.7B ($13.0M)
2025-12-01	BUY	신규보고	이강호 Lee Kang-ho	Managing Director	121	₩515,000	+17.9%	₩62M ($43K)
2025-12-01	BUY	신규보고	이창준 Changjun Lee	Managing Director	324	₩515,000	+17.9%	₩167M ($116K)
2025-12-01	BUY	신규보고	윤대규 Dae-gyu Yoon	Managing Director	8	₩515,000	+17.9%	₩4M ($3K)
2025-12-01	BUY	합병	이상균 Lee Sang-gyun	vice president	81	₩515,000	+17.9%	₩42M ($29K)
2025-12-01	BUY	신규보고	황태환 Taehwan Hwang	Managing Director	243	₩515,000	+17.9%	₩125M ($87K)
2025-12-01	BUY	합병	이철헌 Lee Cheol-heon	Managing Director	16	₩515,000	+17.9%	₩8M ($6K)
2025-12-01	BUY	합병	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	6.9M	₩515,000	+17.9%	₩3.5T ($2.5B)
2025-12-01	BUY	합병	김성훈 Seonghun Kim	Managing Director	32	₩515,000	+17.9%	₩16M ($11K)
2025-11-01	BUY	신규선임	주대중 Joo Dae-jung	Managing Director	550	₩607,000	+0.0%	₩334M ($232K)
2025-11-01	BUY	신규선임	이종석 Lee Jong-seok	Managing Director	80	₩607,000	+0.0%	₩49M ($34K)
2025-10-21	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-28.8K	₩563,000	-7.8%	₩16.2B ($11.3M)
2025-08-27	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-28.8K	₩521,000	-16.5%	₩15.0B ($10.4M)
2025-07-31	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩490,500	-23.8%	₩28.3B ($19.6M)
2025-07-25	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩444,500	-36.6%	₩25.6B ($17.8M)
2025-07-07	BUY	Market Buy	이강국 Lee Kang-guk	Managing Director	20	₩377,500	+60.8%	₩8M ($5K)
2025-06-24	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩463,500	-31.0%	₩26.7B ($18.6M)
2025-06-17	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩436,500	-39.1%	₩25.2B ($17.5M)
2025-06-13	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-28.8K	₩427,500	-42.0%	₩12.3B ($8.6M)
2025-06-05	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩425,000	-42.8%	₩24.5B ($17.0M)
2025-05-16	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩419,500	-44.7%	₩24.2B ($16.8M)
2025-05-07	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-86.5K	₩415,500	-46.1%	₩36.0B ($25.0M)
2025-04-30	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-28.8K	₩402,000	-51.0%	₩11.6B ($8.1M)
2025-04-29	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-57.7K	₩403,500	-50.4%	₩23.3B ($16.2M)
2025-04-25	SELL	교환	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-144.2K	₩403,000	-50.6%	₩58.1B ($40.4M)
2025-02-25	BUY	Market Buy	이태진 Taejin Lee	Managing Director	4	₩308,000	+97.1%	₩1M ($856)
2025-02-24	BUY	Market Buy	이태진 Taejin Lee	Managing Director	96	₩298,500	+103.3%	₩29M ($20K)
2024-12-23	BUY	기타	권승하 Seungha Kwon	Managing Director	550	₩269,500	+125.2%	₩148M ($103K)
2024-12-01	BUY	신규선임	이태원 Itaewon	Managing Director	285	₩211,000	+187.7%	₩60M ($42K)
2024-12-01	BUY	신규선임	김오균 Kim Oh-gyun	Managing Director	391	₩211,000	+187.7%	₩83M ($57K)
2024-09-05	SELL	Market Sell	임영호 Youngho Lim	vice president	-450	₩178,900	-239.3%	₩81M ($56K)
2024-09-04	BUY	기타	임영호 Youngho Lim	vice president	550	₩186,300	+225.8%	₩102M ($71K)
2024-08-28	BUY	기타	연무진 Yeonmujin	Managing Director	474	₩191,200	+217.5%	₩91M ($63K)
2024-08-28	BUY	기타	허병동 Heo Byeong-dong	Managing Director	550	₩191,200	+217.5%	₩105M ($73K)
2024-06-25	SELL	Market Sell	박진상 Jinsang Park	Managing Director	-550	₩149,900	-304.9%	₩82M ($57K)
2024-06-11	BUY	기타	여용화 Yeo Yonghwa	Managing Director	550	₩129,700	+368.0%	₩71M ($50K)
2024-05-21	SELL	시간외매매	HD한국조선해양 HDKorea Shipbuilding & Marine Engineering	-	-2.7M	₩130,800	-364.1%	₩348.3B ($241.9M)

Frequently asked questions

Who has been buying HD Hyundai Heavy Industries stock?: 4 distinct insiders have filed 5 disclosed insider purchases in HD Hyundai Heavy Industries (329180), most recently on 2026-04-01. 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 HD Hyundai Heavy Industries have?: HD Hyundai Heavy Industries has 5 buy-side and 2 sell-side disclosures on record, covering ₩242M ($168K) in total reported value, spanning 2024-05-21 to 2026-04-01.
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.