Who has been buying The Oita Bank, Ltd. stock?

3 distinct investors have filed 5 disclosed large-shareholding filings in The Oita Bank, Ltd. (8392), most recently on 2026-04-22. 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 The Oita Bank, Ltd. have?

The Oita Bank, Ltd. has 5 buy-side and 4 sell-side disclosures on record, covering ¥1.1B ($7.3M) in total reported value, spanning 2026-03-23 to 2026-04-22.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

The Oita Bank, Ltd. 8392

Company

株式会社大分銀行The Oita Bank, Ltd.

Investors

Buys

Total Value

¥1.1B ($7.3M)

Avg Return

+13.89%

Last Filing

2026-04-22

The Oita Bank, Ltd. (8392) has 5 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥1.1B ($7.3M) in reported transaction value. The earliest filing StockDrifts holds for The Oita Bank, Ltd. is dated 2026-03-23; the most recent is 2026-04-22. Across these filings the average return since disclosure is +13.89%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-08-07	SELL	unknown	野村證券株式会社	other	986.5K	¥2,712	-15.6%	¥2.5B ($16.2M)
2026-08-07	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.2M	¥2,712	+15.6%	¥21M ($137K)
2026-06-05	SELL	unknown	野村證券株式会社	other	1.9M	¥2,241	-39.9%	¥70M ($454K)
2026-06-05	SELL	unknown	野村アセットマネジメント株式会社	other	2.2M	¥2,241	-39.9%	¥70M ($454K)
2026-06-05	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-735.2K	¥2,241	-13.7%	¥1.3B ($8.3M)
2026-04-22	SELL	unknown	野村證券株式会社	other	1.9M	¥2,008	-56.1%	¥189M ($1.2M)
2026-04-22	SELL	unknown	野村アセットマネジメント株式会社	other	2.2M	¥2,008	-56.1%	¥47M ($305K)
2026-04-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-165.9K	¥2,008	-15.1%	¥252M ($1.6M)
2026-04-07	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-41.1K	¥1,948	-8.0%	¥3.3B ($21.4M)
2026-04-07	BUY	Market Buy	野村證券株式会社	other	2.0M	¥1,948	+60.9%	¥3.6B ($23.4M)
2026-04-07	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.3M	¥1,948	+60.9%	¥183M ($1.2M)
2026-03-23	BUY	unknown	野村證券株式会社	other	36.7K	¥1,838	+70.6%	¥67M ($435K)
2026-03-23	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	332.3K	¥1,838	+70.6%	¥611M ($3.9M)
2026-03-23	BUY	unknown	野村アセットマネジメント株式会社	other	434.5K	¥1,838	+70.6%	¥799M ($5.2M)

Frequently asked questions

Who has been buying The Oita Bank, Ltd. stock?: 3 distinct investors have filed 5 disclosed large-shareholding filings in The Oita Bank, Ltd. (8392), most recently on 2026-04-22. 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 The Oita Bank, Ltd. have?: The Oita Bank, Ltd. has 5 buy-side and 4 sell-side disclosures on record, covering ¥1.1B ($7.3M) in total reported value, spanning 2026-03-23 to 2026-04-22.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.