Who has been buying Hanwha Ocean stock?

5 distinct insiders have filed 2 disclosed insider purchases in Hanwha Ocean (042660), most recently on 2026-07-16. 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 Hanwha Ocean have?

Hanwha Ocean has 2 buy-side and 4 sell-side disclosures on record, covering ₩338M ($235K) in total reported value, spanning 2024-06-01 to 2026-07-16.

Where does StockDrifts get Hanwha Ocean 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.

Hanwha Ocean 042660

Company

한화오션Hanwha Ocean

Insiders

Buys

Total Value

₩338M ($235K)

Avg Return

-11.25%

Last Filing

2026-07-16

Hanwha Ocean (042660) has 2 disclosed insider purchases and 4 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩338M ($235K) in reported transaction value. The earliest filing StockDrifts holds for Hanwha Ocean is dated 2024-06-01; the most recent is 2026-07-16. 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 -11.25%, 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
2026-07-16	BUY	Market Buy	장연성 Yeonsung Jang	Managing Director	500	₩86,700	+0.0%	₩39M ($27K)
2026-04-08	SELL	시간외매매	한화시스템 Hanwha Systems	-	-13.3M	₩127,700	-4.5%	₩1.7T ($1.2B)
2026-01-19	BUY	계열사편입	김형석 Hyungseok Kim	Managing Director	5.0K	₩148,800	-1.1%	₩744M ($517K)
2025-11-03	SELL	Market Sell	김범성 Beomseong Kim	Managing Director	-50	₩138,800	-6.0%	₩7M ($5K)
2025-11-01	BUY	신규선임	정해진 fixed	Managing Director	13	₩138,800	+6.0%	₩2M ($1K)
2025-11-01	BUY	신규선임	김기환 Kim Ki-hwan	Managing Director	1.5K	₩138,800	+6.0%	₩208M ($145K)
2025-11-01	BUY	신규선임	김창수 Changsu Kim	Managing Director	30	₩138,800	+6.0%	₩4M ($3K)
2025-11-01	BUY	신규선임	윤찬웅 Chanwoong Yoon	Managing Director	5.3K	₩138,800	+6.0%	₩737M ($512K)
2025-11-01	BUY	신규선임	박재성 Jaeseong Park	Managing Director	1.4K	₩138,800	+6.0%	₩191M ($133K)
2025-11-01	BUY	신규선임	김범성 Beomseong Kim	Managing Director	74	₩138,800	+6.0%	₩10M ($7K)
2025-10-17	SELL	Market Sell	조성원 Cho Seong-won	Managing Director	-100	₩107,200	-37.3%	₩11M ($7K)
2025-04-29	SELL	시간외매매	한국산업은행 Korea Development Bank	-	-13.0M	₩78,500	-87.5%	₩1.0T ($708.7M)
2025-03-13	BUY	시간외매매	한화에어로스페이스 Hanwha Aerospace	-	22.4M	₩73,500	+100.3%	₩1.6T ($1.1B)
2025-03-13	SELL	시간외매매	HanwhaImpactPartnersINC.	-	-15.3M	₩73,500	-100.3%	₩1.1T ($780.2M)
2025-02-06	SELL	Market Sell	구홍진 Hongjin Gu	Managing Director	-1.1K	₩61,700	-138.6%	₩65M ($45K)
2025-01-09	SELL	Market Sell	김도완 Dowan Kim	Managing Director	-4.5K	₩44,750	-228.9%	₩201M ($140K)
2024-12-02	BUY	Market Buy	장연성 Yeonsung Jang	Managing Director	450	₩33,200	+343.4%	₩15M ($10K)
2024-11-29	BUY	기타	김도완 Dowan Kim	Managing Director	17.2K	₩35,000	+320.6%	₩602M ($418K)
2024-10-01	BUY	신규선임	류재혁 Ryu Jae-hyuk	Managing Director	25	₩30,600	+381.1%	₩765K ($531)
2024-10-01	BUY	신규선임	이정선 Lee Jeong-seon	Managing Director	50	₩30,600	+381.1%	₩2M ($1K)
2024-06-01	BUY	신규선임	박성우 Seongwoo Park	Managing Director	4	₩31,100	+373.3%	₩124K ($86)

Frequently asked questions

Who has been buying Hanwha Ocean stock?: 5 distinct insiders have filed 2 disclosed insider purchases in Hanwha Ocean (042660), most recently on 2026-07-16. 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 Hanwha Ocean have?: Hanwha Ocean has 2 buy-side and 4 sell-side disclosures on record, covering ₩338M ($235K) in total reported value, spanning 2024-06-01 to 2026-07-16.
Where does StockDrifts get Hanwha Ocean 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 Hanwha Ocean. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.