Who has been buying BNK Financial Group stock?

15 distinct insiders have filed 45 disclosed insider purchases in BNK Financial Group (138930), most recently on 2026-05-22. 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 BNK Financial Group have?

BNK Financial Group has 45 buy-side and 1 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2024-02-08 to 2026-05-22.

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.

BNK Financial Group 138930

Company

BNK금융지주BNK Financial Group

Insiders

Buys

Total Value

₩1.6B ($1.1M)

Avg Return

+115.13%

Last Filing

2026-05-22

BNK Financial Group (138930) has 45 disclosed insider purchases and 1 disclosed disposals on record, filed by 15 distinct insiders. Together those filings cover ₩1.6B ($1.1M) in reported transaction value. The earliest filing StockDrifts holds for BNK Financial Group is dated 2024-02-08; the most recent is 2026-05-22. Across these filings the average return since disclosure is +115.13%, 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
2026-09-11	BUY	Market Buy	박근서 Park Geun-seo	Outside Director	750	₩15,930	+0.6%	₩12M ($8K)
2026-09-10	BUY	Market Buy	박근서 Park Geun-seo	Outside Director	300	₩15,610	+2.6%	₩5M ($3K)
2026-09-08	BUY	Market Buy	박근서 Park Geun-seo	Outside Director	495	₩15,590	+2.8%	₩8M ($5K)
2026-09-01	BUY	Market Buy	박근서 Park Geun-seo	Outside Director	500	₩15,410	+4.0%	₩7M ($5K)
2026-05-22	BUY	PROGRAM	김주성 Joosung Kim	Managing Director	1.5K	₩17,470	-2.1%	₩26M ($18K)
2026-05-22	BUY	PROGRAM	이동렬 Lee Dong-ryeol	Managing Director	2.5K	₩17,470	-2.1%	₩44M ($30K)
2026-05-22	BUY	PROGRAM	김태호 Kim Tae-ho	Managing Director	1.7K	₩17,470	-2.1%	₩30M ($21K)
2026-05-21	BUY	PROGRAM	김주성 Joosung Kim	Managing Director	1.5K	₩17,180	-0.4%	₩26M ($18K)
2026-05-21	BUY	PROGRAM	김태호 Kim Tae-ho	Managing Director	300	₩17,180	-0.4%	₩5M ($4K)
2026-05-20	BUY	PROGRAM	박성욱 Seongwook Park	vice president	3.0K	₩16,700	+2.5%	₩50M ($35K)
2026-05-20	BUY	PROGRAM	이한창 Lee Han-chang	Managing Director	3.5K	₩16,700	+2.5%	₩58M ($41K)
2026-05-20	BUY	PROGRAM	이광준 Gwangjun Lee	Managing Director	2.0K	₩16,700	+2.5%	₩33M ($23K)
2026-05-20	BUY	PROGRAM	강종훈 Jong-Hoon Kang	vice president	3.0K	₩16,700	+2.5%	₩50M ($35K)
2026-05-20	BUY	PROGRAM	빈대인 Bed bug person	cum audit committee member	5.0K	₩16,700	+2.5%	₩84M ($58K)
2026-05-20	BUY	PROGRAM	홍명종 Hong Myeong-jong	vice president	3.0K	₩16,700	+2.5%	₩50M ($35K)
2026-04-09	BUY	Market Buy	박혜진 Hyejin Park	Outside Director	2.9K	₩17,460	+8.9%	₩50M ($35K)
2026-01-01	BUY	신규보고	이광준 Gwangjun Lee	Managing Director	2.0K	₩15,730	+43.0%	₩31M ($22K)
2025-09-01	BUY	기타	안수일 ordained	Managing Director	2.6K	₩14,580	+54.3%	₩38M ($27K)
2025-05-08	BUY	PROGRAM	최명희 Myunghee Choi	Managing Director	4.0K	₩10,350	+117.4%	₩41M ($29K)
2025-05-08	BUY	PROGRAM	권재중 Jaejoong Kwon	vice president	1.3K	₩10,350	+117.4%	₩13M ($9K)
2025-04-30	BUY	PROGRAM	빈대인 Bed bug person	cum audit committee member	10.0K	₩10,350	+117.4%	₩104M ($72K)
2025-04-30	BUY	PROGRAM	강종훈 Jong-Hoon Kang	Managing Director	5.0K	₩10,350	+117.4%	₩52M ($36K)
2025-04-30	BUY	PROGRAM	권재중 Jaejoong Kwon	vice president	3.0K	₩10,350	+117.4%	₩31M ($22K)
2025-04-30	BUY	PROGRAM	이한창 Lee Han-chang	Managing Director	5.0K	₩10,350	+117.4%	₩52M ($36K)
2025-04-30	BUY	PROGRAM	박성욱 Seongwook Park	Managing Director	3.0K	₩10,350	+117.4%	₩31M ($22K)
2025-04-30	BUY	PROGRAM	문경호 Kyungho Moon	Managing Director	5.0K	₩10,350	+117.4%	₩52M ($36K)
2025-04-18	BUY	Market Buy	윤석준 Seokjun Yoon	Managing Director	2.0K	₩10,150	+121.7%	₩20M ($14K)
2025-04-15	BUY	PROGRAM	안수일 ordained	Managing Director	2.1K	₩9,970	+125.7%	₩21M ($14K)
2025-01-07	SELL	Market Sell	안수일 ordained	Managing Director	-6.3K	₩10,490	-114.5%	₩66M ($46K)
2024-09-04	BUY	PROGRAM	안수일 ordained	Managing Director	1.0K	₩9,830	+128.9%	₩10M ($7K)
2024-07-01	BUY	Market Buy	빈대인 Bed bug person	cum audit committee member	10.0K	₩8,390	+168.2%	₩84M ($58K)
2024-06-28	BUY	Market Buy	권재중 Jaejoong Kwon	vice president	5.0K	₩8,470	+165.6%	₩42M ($29K)
2024-06-26	BUY	Market Buy	권재중 Jaejoong Kwon	vice president	4.0K	₩8,320	+170.4%	₩33M ($23K)
2024-06-25	BUY	Market Buy	권재중 Jaejoong Kwon	vice president	1.0K	₩8,350	+169.5%	₩8M ($6K)
2024-04-12	BUY	PROGRAM	안수일 ordained	Managing Director	249	₩7,510	+199.6%	₩2M ($1K)
2024-02-16	BUY	PROGRAM	최명희 Myunghee Choi	Managing Director	5.0K	₩7,890	+185.2%	₩39M ($27K)
2024-02-16	BUY	PROGRAM	문경호 Kyungho Moon	Managing Director	1.0K	₩7,890	+185.2%	₩8M ($5K)
2024-02-16	BUY	PROGRAM	문경호 Kyungho Moon	Managing Director	1.0K	₩7,890	+185.2%	₩8M ($5K)
2024-02-16	BUY	PROGRAM	문경호 Kyungho Moon	Managing Director	1.0K	₩7,890	+185.2%	₩8M ($5K)
2024-02-16	BUY	PROGRAM	윤석준 Seokjun Yoon	Managing Director	5.0K	₩7,890	+185.2%	₩39M ($27K)
2024-02-16	BUY	PROGRAM	박성욱 Seongwook Park	Managing Director	5.0K	₩7,890	+185.2%	₩39M ($27K)
2024-02-16	BUY	PROGRAM	권재중 Jaejoong Kwon	vice president	1.0K	₩7,890	+185.2%	₩8M ($5K)
2024-02-15	BUY	PROGRAM	문경호 Kyungho Moon	Managing Director	1.0K	₩7,720	+191.4%	₩8M ($5K)
2024-02-15	BUY	PROGRAM	권재중 Jaejoong Kwon	vice president	4.0K	₩7,720	+191.4%	₩31M ($21K)
2024-02-15	BUY	PROGRAM	문경호 Kyungho Moon	Managing Director	1.0K	₩7,720	+191.4%	₩8M ($5K)
2024-02-15	BUY	PROGRAM	안수일 ordained	Managing Director	5.0K	₩7,720	+191.4%	₩39M ($27K)
2024-02-14	BUY	PROGRAM	이한창 Lee Han-chang	Managing Director	5.0K	₩7,670	+193.3%	₩38M ($27K)
2024-02-14	BUY	PROGRAM	권재중 Jaejoong Kwon	vice president	2.0K	₩7,670	+193.3%	₩15M ($11K)
2024-02-14	BUY	PROGRAM	강종훈 Jong-Hoon Kang	Managing Director	5.0K	₩7,670	+193.3%	₩38M ($27K)
2024-02-08	BUY	PROGRAM	빈대인 Bed bug person	Chairman	391	₩7,820	+187.7%	₩3M ($2K)

Showing the 50 most recent of 52 filings.

Frequently asked questions

Who has been buying BNK Financial Group stock?: 15 distinct insiders have filed 45 disclosed insider purchases in BNK Financial Group (138930), most recently on 2026-05-22. 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 BNK Financial Group have?: BNK Financial Group has 45 buy-side and 1 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2024-02-08 to 2026-05-22.
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.