Who has been buying Jeju Bank stock?

9 distinct insiders have filed 14 disclosed insider purchases in Jeju Bank (006220), most recently on 2026-05-21. 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 Jeju Bank have?

Jeju Bank has 14 buy-side and 0 sell-side disclosures on record, covering ₩148M ($103K) in total reported value, spanning 2025-02-05 to 2026-05-21.

Where does StockDrifts get Jeju Bank 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.

Jeju Bank 006220

Company

제주은행Jeju Bank

Insiders

Buys

Total Value

₩148M ($103K)

Avg Return

+94.06%

Last Filing

2026-05-21

Jeju Bank (006220) has 14 disclosed insider purchases and 0 disclosed disposals on record, filed by 9 distinct insiders. Together those filings cover ₩148M ($103K) in reported transaction value. The earliest filing StockDrifts holds for Jeju Bank is dated 2025-02-05; the most recent is 2026-05-21. 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 +94.06%, 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
2026-05-21	BUY	Market Buy	채훈 Chaehoon	Managing Director/Part Manager	500	₩10,790	-4.8%	₩5M ($4K)
2026-04-01	BUY	신규선임	채훈 Chaehoon	Managing Director/Part Manager	100	₩12,540	+5.0%	₩1M ($871)
2026-04-01	BUY	신규선임	채훈 Chaehoon	Managing Director/Part Manager	100	₩12,540	+5.0%	₩1M ($871)
2026-04-01	BUY	신규선임	채훈 Chaehoon	Managing Director/Part Manager	100	₩12,540	+5.0%	₩1M ($871)
2026-04-01	BUY	신규선임	채훈 Chaehoon	Managing Director/Part Manager	100	₩12,540	+5.0%	₩1M ($871)
2026-04-01	BUY	신규선임	채훈 Chaehoon	Managing Director/Part Manager	100	₩12,540	+5.0%	₩1M ($871)
2026-04-01	BUY	신규선임	채훈 Chaehoon	Managing Director/Part Manager	100	₩12,540	+5.0%	₩1M ($871)
2026-04-01	BUY	Market Buy	채훈 Chaehoon	Managing Director/Part Manager	400	₩12,540	+5.0%	₩5M ($3K)
2026-03-24	BUY	신규선임	오금화 quinceanera	Internal director	1.0K	₩12,860	+2.4%	₩13M ($9K)
2026-03-05	BUY	Market Buy	정성훈 Seonghun Jeong	Managing Director	152	-	-	-
2026-03-05	BUY	Market Buy	정성훈 Seonghun Jeong	Managing Director	848	-	-	-
2026-01-01	BUY	신규선임	강소영 Soyoung Kang	Managing Director	2.8K	₩11,500	+49.5%	₩32M ($22K)
2025-04-26	BUY	유상신주취득	더존비즈온 Douzone Bizon	-	5.7M	₩11,230	+53.1%	₩63.7B ($44.2M)
2025-03-21	BUY	Market Buy	정태성 Jeong Tae-seong	Managing Director	1.1K	₩7,800	+120.4%	₩9M ($6K)
2025-02-27	BUY	Market Buy	김호대 Kim Ho-dae	Managing Director/Part Manager	1.0K	₩8,050	+113.5%	₩8M ($6K)
2025-02-21	BUY	Market Buy	한윤철 Yuncheol Han	Managing Director/Part Manager	123	₩8,290	+107.4%	₩1M ($708)
2025-02-21	BUY	Market Buy	한윤철 Yuncheol Han	Managing Director/Part Manager	1.4K	₩8,290	+107.4%	₩11M ($8K)
2025-02-21	BUY	Market Buy	한윤철 Yuncheol Han	Managing Director/Part Manager	3	₩8,290	+107.4%	₩25K ($17)
2025-02-13	BUY	Market Buy	오민순 Oh Min-soon	Managing Director	1.2K	₩8,030	+114.1%	₩10M ($7K)
2025-02-12	BUY	Market Buy	이철승 Cheolseung Lee	Managing Director	1.0K	₩7,980	+115.4%	₩8M ($6K)
2025-02-10	BUY	Market Buy	김현웅 Hyunwoong Kim	Managing Director	1.3K	₩7,950	+116.2%	₩10M ($7K)
2025-02-06	BUY	Market Buy	이희수 Heesoo Lee	Division head	2.0K	₩8,030	+114.1%	₩16M ($11K)
2025-02-05	BUY	Market Buy	이희수 Heesoo Lee	Division head	8.0K	₩8,080	+112.8%	₩65M ($45K)

Frequently asked questions

Who has been buying Jeju Bank stock?: 9 distinct insiders have filed 14 disclosed insider purchases in Jeju Bank (006220), most recently on 2026-05-21. 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 Jeju Bank have?: Jeju Bank has 14 buy-side and 0 sell-side disclosures on record, covering ₩148M ($103K) in total reported value, spanning 2025-02-05 to 2026-05-21.
Where does StockDrifts get Jeju Bank 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 Jeju Bank. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.