Who has been buying HJ Heavy Industries stock?

4 distinct insiders have filed 4 disclosed insider purchases in HJ Heavy Industries (097230), most recently on 2026-03-16. 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 HJ Heavy Industries have?

HJ Heavy Industries has 4 buy-side and 14 sell-side disclosures on record, covering ₩96.0B ($66.7M) in total reported value, spanning 2024-05-01 to 2026-03-16.

Where does StockDrifts get HJ Heavy Industries 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.

HJ Heavy Industries 097230

Company

HJ중공업HJ Heavy Industries

Insiders

Buys

Total Value

₩96.0B ($66.7M)

Avg Return

-194.81%

Last Filing

2026-03-16

HJ Heavy Industries (097230) has 4 disclosed insider purchases and 14 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩96.0B ($66.7M) in reported transaction value. The earliest filing StockDrifts holds for HJ Heavy Industries is dated 2024-05-01; the most recent is 2026-03-16. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-03-16	BUY	Market Buy	안평근 An Pyeong-geun	vice president	100	-	-	-
2026-03-13	BUY	Market Buy	안평근 An Pyeong-geun	vice president	100	-	-	-
2026-03-04	BUY	Market Buy	안평근 An Pyeong-geun	vice president	100	-	-	-
2026-03-03	BUY	Market Buy	안평근 An Pyeong-geun	vice president	500	-	-	-
2025-10-02	BUY	제3자배정유상증자	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	7.0M	₩26,650	-3.9%	₩187.1B ($129.9M)
2025-09-30	SELL	시간외매매	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-4.0M	₩28,000	+8.6%	₩112.0B ($77.8M)
2025-09-24	SELL	시간외매매	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-3.0M	₩29,100	+12.0%	₩87.3B ($60.6M)
2025-09-18	SELL	시간외매매	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-3.0M	₩29,000	+11.7%	₩87.0B ($60.4M)
2025-09-02	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-1.0M	₩20,800	-23.1%	₩20.8B ($14.4M)
2025-08-11	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-1.0M	₩14,890	-71.9%	₩14.9B ($10.3M)
2025-08-06	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-1.9M	₩11,430	-124.0%	₩21.5B ($15.0M)
2025-08-04	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-64.7K	₩10,200	-151.0%	₩660M ($458K)
2025-08-01	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-34.0K	₩8,720	-193.6%	₩297M ($206K)
2025-07-31	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-215.9K	₩8,910	-187.3%	₩1.9B ($1.3M)
2025-07-30	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-660.8K	₩8,750	-192.6%	₩5.8B ($4.0M)
2025-04-16	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-1.3M	₩7,550	-239.1%	₩9.5B ($6.6M)
2025-04-15	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-237.7K	₩8,030	-218.8%	₩1.9B ($1.3M)
2025-03-12	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-545.2K	₩7,820	-227.4%	₩4.3B ($3.0M)
2025-03-11	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-70.5K	₩8,550	-199.4%	₩603M ($419K)
2025-03-07	SELL	Market Sell	에코프라임마린퍼시픽 Eco Prime Marine Pacific	-	-1.6M	₩8,800	-190.9%	₩13.8B ($9.6M)
2025-02-28	BUY	신규선임	윤태기 Taegi Yoon	Assistant Managing Director	1.2K	₩6,100	+319.7%	₩8M ($5K)
2025-02-28	BUY	신규선임	박덕근 Deokgeun Park	Managing Director	13.5K	₩6,100	+319.7%	₩82M ($57K)
2025-01-09	SELL	Market Sell	박종화 Jonghwa Park	Managing Director	-2.5K	₩7,120	-259.6%	₩18M ($12K)
2024-12-23	BUY	신규선임	김태훈 Taehoon Kim	Assistant Managing Director	373	₩6,660	+284.4%	₩2M ($2K)
2024-11-27	SELL	Market Sell	정회경 Jeong Hoe-kyung	Assistant Managing Director	-2.4K	₩4,665	-448.8%	₩11M ($8K)
2024-05-01	BUY	신규선임	최윤형 Yunhyeong Choi	Managing Director	700	₩3,075	+732.5%	₩2M ($1K)

Frequently asked questions

Who has been buying HJ Heavy Industries stock?: 4 distinct insiders have filed 4 disclosed insider purchases in HJ Heavy Industries (097230), most recently on 2026-03-16. 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 HJ Heavy Industries have?: HJ Heavy Industries has 4 buy-side and 14 sell-side disclosures on record, covering ₩96.0B ($66.7M) in total reported value, spanning 2024-05-01 to 2026-03-16.
Where does StockDrifts get HJ Heavy Industries 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 HJ Heavy Industries. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.