Who has been buying OBZEN stock?

3 distinct insiders have filed 9 disclosed insider purchases in OBZEN (417860), most recently on 2026-02-06. 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 OBZEN have?

OBZEN has 9 buy-side and 12 sell-side disclosures on record, covering ₩34M ($23K) in total reported value, spanning 2023-04-12 to 2026-02-06.

Where does StockDrifts get OBZEN 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.

OBZEN 417860

Company

오브젠OBZEN

Insiders

Buys

Total Value

₩34M ($23K)

Avg Return

-0.52%

Last Filing

2026-02-06

OBZEN (417860) has 9 disclosed insider purchases and 12 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩34M ($23K) in reported transaction value. The earliest filing StockDrifts holds for OBZEN is dated 2023-04-12; the most recent is 2026-02-06. 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 -0.52%, 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
2026-02-06	BUY	신규선임	강덕규 Kang Deok-gyu	Managing Director	1.5K	₩9,480	+5.5%	₩14M ($10K)
2025-06-27	BUY	주식매수선택권	강인구 Kang In-gu	Managing Director	950	₩21,700	-53.9%	₩21M ($14K)
2025-06-27	SELL	기타	강인구 Kang In-gu	Managing Director	-950	₩21,700	+53.9%	₩21M ($14K)
2025-06-16	SELL	시간외매매	김은정 Eunjeong Kim	Managing Director	-600	₩20,400	+51.0%	₩12M ($9K)
2025-02-03	BUY	Market Buy	정용철 Jeong Yong-cheol	Managing Director	290	₩10,110	-1.1%	₩3M ($2K)
2025-01-23	BUY	Market Buy	정용철 Jeong Yong-cheol	Managing Director	200	₩9,000	+11.1%	₩2M ($1K)
2024-09-10	BUY	주식매수선택권	이성균 Seonggyun Lee	vice president	2.0K	₩9,910	+0.9%	₩20M ($14K)
2024-09-10	BUY	주식매수선택권	장등수 rank number	Managing Director	5.0K	₩9,910	+0.9%	₩50M ($34K)
2024-09-10	SELL	기타	김태완 Taewan Kim	Managing Director	-5.0K	₩9,910	-0.9%	₩50M ($34K)
2024-09-10	SELL	기타	장등수 rank number	Managing Director	-5.0K	₩9,910	-0.9%	₩50M ($34K)
2024-09-10	BUY	주식매수선택권	김태완 Taewan Kim	Managing Director	5.0K	₩9,910	+0.9%	₩50M ($34K)
2024-09-10	BUY	주식매수선택권	김은정 Eunjeong Kim	Managing Director	3.0K	₩9,910	+0.9%	₩30M ($21K)
2024-09-10	SELL	기타	이성균 Seonggyun Lee	vice president	-2.0K	₩9,910	-0.9%	₩20M ($14K)
2024-09-10	SELL	기타	김은정 Eunjeong Kim	Managing Director	-3.0K	₩9,910	-0.9%	₩30M ($21K)
2024-08-01	SELL	Market Sell	차준호 Junho Cha	Managing Director	-300	₩15,620	+36.0%	₩5M ($3K)
2024-08-01	SELL	Market Sell	차준호 Junho Cha	Managing Director	-300	₩15,620	+36.0%	₩5M ($3K)
2024-08-01	SELL	Market Sell	차준호 Junho Cha	Managing Director	-300	₩15,620	+36.0%	₩5M ($3K)
2024-07-31	SELL	Market Sell	차준호 Junho Cha	Managing Director	-200	₩12,020	+16.8%	₩2M ($2K)
2024-05-07	SELL	Market Sell	차준호 Junho Cha	Managing Director	-100	₩14,760	+32.3%	₩1M ($1K)
2024-05-07	SELL	Market Sell	차준호 Junho Cha	Managing Director	-100	₩14,760	+32.3%	₩1M ($1K)
2024-05-07	SELL	Market Sell	차준호 Junho Cha	Managing Director	-100	₩14,760	+32.3%	₩1M ($1K)
2024-05-07	SELL	Market Sell	차준호 Junho Cha	Managing Director	-100	₩14,760	+32.3%	₩1M ($1K)
2024-02-19	SELL	Market Sell	차준호 Junho Cha	Managing Director	-33	₩21,400	+53.3%	₩706K ($490)
2024-02-16	SELL	Market Sell	차준호 Junho Cha	Managing Director	-25	₩21,800	+54.1%	₩545K ($378)
2023-08-25	BUY	Market Buy	강인구 Kang In-gu	Managing Director	5	₩41,100	-75.7%	₩206K ($143)
2023-08-18	BUY	Market Buy	강인구 Kang In-gu	Managing Director	10	₩48,850	-79.5%	₩489K ($339)
2023-07-19	SELL	Market Sell	강인구 Kang In-gu	Managing Director	-21	₩43,150	+76.8%	₩906K ($629)
2023-07-19	SELL	Market Sell	강인구 Kang In-gu	Managing Director	-34	₩43,150	+76.8%	₩1M ($1K)
2023-04-24	BUY	Market Buy	강인구 Kang In-gu	Managing Director	20	₩39,800	-74.9%	₩796K ($553)
2023-04-21	BUY	Market Buy	강인구 Kang In-gu	Managing Director	10	₩41,150	-75.7%	₩412K ($286)
2023-04-20	BUY	Market Buy	강인구 Kang In-gu	Managing Director	5	₩40,400	-75.3%	₩202K ($140)
2023-04-12	BUY	Market Buy	강인구 Kang In-gu	Managing Director	10	₩44,100	-77.3%	₩441K ($306)
2023-04-12	BUY	Market Buy	강인구 Kang In-gu	Managing Director	10	₩44,100	-77.3%	₩441K ($306)

Frequently asked questions

Who has been buying OBZEN stock?: 3 distinct insiders have filed 9 disclosed insider purchases in OBZEN (417860), most recently on 2026-02-06. 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 OBZEN have?: OBZEN has 9 buy-side and 12 sell-side disclosures on record, covering ₩34M ($23K) in total reported value, spanning 2023-04-12 to 2026-02-06.
Where does StockDrifts get OBZEN 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 OBZEN. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.