Who has been buying Yuhan Corporation stock?

25 distinct insiders have filed 62 disclosed insider purchases in Yuhan Corporation (000100), most recently on 2026-06-30. 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 Yuhan Corporation have?

Yuhan Corporation has 62 buy-side and 0 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2024-04-01 to 2026-06-30.

Where does StockDrifts get Yuhan Corporation 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.

Yuhan Corporation 000100

Company

유한양행Yuhan Corporation

Insiders

Buys

Total Value

₩1.6B ($1.1M)

Avg Return

+5.09%

Last Filing

2026-06-30

Yuhan Corporation (000100) has 62 disclosed insider purchases and 0 disclosed disposals on record, filed by 25 distinct insiders. Together those filings cover ₩1.6B ($1.1M) in reported transaction value. The earliest filing StockDrifts holds for Yuhan Corporation is dated 2024-04-01; the most recent is 2026-06-30. 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 +5.09%, 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
2026-07-31	BUY	Market Buy	김열홍 Kim Yeol-hong	president	300	₩73,500	+0.0%	₩21M ($14K)
2026-06-30	BUY	Market Buy	이학주 Hakju Lee	Managing Director	200	₩70,200	+0.3%	₩14M ($10K)
2026-06-25	BUY	Market Buy	김재용 Jaeyong Kim	Managing Director	516	₩71,300	-6.9%	₩37M ($26K)
2026-06-09	BUY	Market Buy	김열홍 Kim Yeol-hong	president	300	₩76,700	+2.9%	₩23M ($16K)
2026-05-29	BUY	Market Buy	이병만 Lee Byung-man	vice president	200	₩85,000	-4.1%	₩17M ($12K)
2026-05-26	BUY	Market Buy	윤동수 Dongsu Yoon	Managing Director	100	₩85,800	-2.6%	₩9M ($6K)
2026-05-13	BUY	Market Buy	최영기 Youngki Choi	Managing Director	295	₩84,700	-16.9%	₩25M ($17K)
2026-05-12	BUY	Market Buy	최영기 Youngki Choi	Managing Director	5	₩84,900	-17.1%	₩425K ($295)
2026-05-07	BUY	Market Buy	조욱제 Wookje Cho	CEO and President	100	₩88,000	-0.2%	₩9M ($6K)
2026-05-07	BUY	Market Buy	이학주 Hakju Lee	Managing Director	300	₩88,000	-0.2%	₩26M ($18K)
2026-05-07	BUY	Market Buy	김열홍 Kim Yeol-hong	president	300	₩88,000	-0.2%	₩26M ($18K)
2026-05-06	BUY	Market Buy	유재천 Jaecheon Yoo	vice president	300	₩87,800	-1.7%	₩26M ($18K)
2026-05-04	BUY	Market Buy	홍승훈 Seunghoon Hong	Managing Director	130	₩90,500	-4.6%	₩12M ($8K)
2026-04-28	BUY	Market Buy	신동국 Shin Dong-guk	Managing Director	300	₩93,700	-0.5%	₩28M ($20K)
2026-04-23	BUY	Market Buy	김준환 Junhwan Kim	Managing Director	300	₩94,700	-1.6%	₩28M ($20K)
2026-04-22	BUY	Market Buy	신명철 Shin Myeong-cheol	Managing Director	162	₩95,100	-2.0%	₩15M ($11K)
2026-04-17	BUY	Market Buy	홍현동 Honghyeon-dong	Managing Director	300	₩97,500	-0.8%	₩29M ($20K)
2026-04-17	BUY	Market Buy	김지영 Jiyoung Kim	Managing Director	314	₩97,500	-0.8%	₩31M ($21K)
2026-04-17	BUY	Market Buy	윤동수 Dongsu Yoon	Managing Director	100	₩97,500	-0.8%	₩10M ($7K)
2026-04-15	BUY	Market Buy	조욱제 Wookje Cho	CEO and President	150	₩97,200	-0.5%	₩15M ($10K)
2026-04-15	BUY	Market Buy	김열홍 Kim Yeol-hong	president	300	₩97,200	-0.5%	₩29M ($20K)
2026-04-14	BUY	Market Buy	조민철 Jo Min-cheol	Managing Director	500	₩93,600	+3.4%	₩47M ($33K)
2026-04-10	BUY	PROGRAM	장선우 Seonwoo Jang	Managing Director	200	₩92,900	+4.1%	₩19M ($13K)
2026-04-10	BUY	PROGRAM	이상호 (CEO)	Managing Director	100	₩92,900	+4.1%	₩9M ($6K)
2026-04-10	BUY	PROGRAM	이해영 Lee Hae-young	Managing Director	300	₩92,900	+4.1%	₩28M ($19K)
2026-04-10	BUY	PROGRAM	신명철 Shin Myeong-cheol	Managing Director	280	₩92,900	+4.1%	₩26M ($18K)
2026-04-10	BUY	PROGRAM	정주영 Jooyoung Jeong	Managing Director	300	₩92,900	+4.1%	₩28M ($19K)
2026-04-09	BUY	PROGRAM	김성수 Seongsu Kim	Managing Director	300	₩93,800	+3.1%	₩28M ($20K)
2026-04-09	BUY	Market Buy	김재용 Jaeyong Kim	Managing Director	200	₩93,800	+3.1%	₩19M ($13K)
2026-04-09	BUY	Market Buy	박은희 Eunhee Park	Managing Director	85	₩93,800	+3.1%	₩8M ($6K)
2026-04-09	BUY	Market Buy	박찬환 Chanhwan Park	Managing Director	500	₩93,800	+3.1%	₩47M ($33K)
2026-04-09	BUY	Market Buy	강대식 Daesik Kang	Managing Director	200	₩93,800	+3.1%	₩19M ($13K)
2026-04-08	BUY	Market Buy	박은희 Eunhee Park	Managing Director	45	₩94,200	+2.7%	₩4M ($3K)
2026-04-06	BUY	Market Buy	박은희 Eunhee Park	Managing Director	110	₩91,800	+5.4%	₩10M ($7K)
2026-03-06	BUY	Market Buy	유재천 Jaecheon Yoo	vice president	500	-	-	-
2026-03-06	BUY	Market Buy	김열홍 Kim Yeol-hong	president	500	-	-	-
2026-01-23	BUY	Market Buy	김열홍 Kim Yeol-hong	president	200	₩108,200	+4.6%	₩22M ($15K)
2026-01-23	BUY	Market Buy	조욱제 Wookje Cho	CEO and President	970	₩108,200	+4.6%	₩105M ($73K)
2026-01-21	BUY	Market Buy	이병만 Lee Byung-man	vice president	300	₩102,800	+10.1%	₩31M ($21K)
2026-01-09	BUY	Market Buy	김열홍 Kim Yeol-hong	president	300	₩113,300	-0.1%	₩34M ($24K)
2025-10-27	BUY	Market Buy	김재용 Jaeyong Kim	Managing Director	100	₩119,500	-5.3%	₩12M ($8K)
2025-10-21	BUY	Market Buy	김열홍 Kim Yeol-hong	president	300	₩118,200	-4.2%	₩35M ($25K)
2025-08-20	BUY	신규보고	고선진 Go Seon-jin	Managing Director	1.0K	₩113,300	-0.1%	₩113M ($79K)
2025-06-27	BUY	Market Buy	김열홍 Kim Yeol-hong	president	200	₩103,600	+9.3%	₩21M ($14K)
2025-06-25	BUY	Market Buy	김재용 Jaeyong Kim	Managing Director	231	₩102,000	+11.0%	₩24M ($16K)
2025-06-25	BUY	Market Buy	조욱제 Wookje Cho	CEO and President	720	₩102,000	+11.0%	₩73M ($51K)
2025-05-22	BUY	Market Buy	김열홍 Kim Yeol-hong	president	200	₩105,000	+7.8%	₩21M ($15K)
2025-04-11	BUY	신규보고	정주영 Jooyoung Jeong	Managing Director	300	₩109,700	+3.2%	₩33M ($23K)
2025-04-03	BUY	Market Buy	김열홍 Kim Yeol-hong	president	200	₩110,300	+2.6%	₩22M ($15K)
2025-04-02	BUY	Market Buy	김재용 Jaeyong Kim	Managing Director	207	₩106,700	+6.1%	₩22M ($15K)

Showing the 50 most recent of 67 filings.

Frequently asked questions

Who has been buying Yuhan Corporation stock?: 25 distinct insiders have filed 62 disclosed insider purchases in Yuhan Corporation (000100), most recently on 2026-06-30. 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 Yuhan Corporation have?: Yuhan Corporation has 62 buy-side and 0 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2024-04-01 to 2026-06-30.
Where does StockDrifts get Yuhan Corporation 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 Yuhan Corporation. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.