Who has been buying Brass Corporation stock?

2 distinct investors have filed 0 disclosed large-shareholding filings in Brass Corporation (2424), most recently on 2026-03-26. 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 Brass Corporation have?

Brass Corporation has 0 buy-side and 6 sell-side disclosures on record, spanning 2022-08-30 to 2026-03-26.

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.

Brass Corporation 2424

Company

株式会社ブラスBrass Corporation

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2026-03-26

Brass Corporation (2424) has 0 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 2 distinct investors. The earliest filing StockDrifts holds for Brass Corporation is dated 2022-08-30; the most recent is 2026-03-26.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-03-26	BUY	negotiated	河合二美	strategic	24.0K	¥602	-	-
2026-03-26	BUY	negotiated	河合達明	activist	2.7M	¥602	-	-
2026-03-26	SELL	negotiated	河合達明	activist	2.7M	¥602	-2.5%	¥35M ($226K)
2026-03-26	BUY	negotiated	河合二美	strategic	24.0K	¥602	-	-
2026-03-25	BUY	negotiated	河合二美	strategic	24.0K	¥603	-	-
2026-03-25	SELL	negotiated	河合達明	activist	2.7M	¥603	-2.3%	¥30M ($195K)
2026-03-25	SELL	negotiated	河合達明	activist	2.7M	¥603	-2.3%	¥30M ($195K)
2026-03-25	BUY	negotiated	河合二美	strategic	24.0K	¥603	-	-
2026-03-18	BUY	negotiated	河合二美	strategic	24.0K	¥602	-	-
2026-03-18	SELL	negotiated	河合達明	activist	2.7M	¥602	-2.5%	¥35M ($226K)
2026-03-18	BUY	negotiated	河合二美	strategic	24.0K	¥602	-	-
2026-03-18	SELL	negotiated	河合達明	activist	2.7M	¥602	-2.5%	¥35M ($226K)
2025-02-05	BUY	negotiated	河合二美 Fumi Kawai	strategic	24.0K	¥572	-	-
2025-02-05	SELL	negotiated	河合達明 Tatsuaki Kawai	activist	2.7M	¥572	-7.9%	¥27M ($177K)
2022-08-30	BUY	negotiated	河合達明 Tatsuaki Kawai	activist	2.8M	¥950	-	-
2022-08-30	BUY	negotiated	河合二美 Fumi Kawai	strategic	24.0K	¥950	-	-

Frequently asked questions

Who has been buying Brass Corporation stock?: 2 distinct investors have filed 0 disclosed large-shareholding filings in Brass Corporation (2424), most recently on 2026-03-26. 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 Brass Corporation have?: Brass Corporation has 0 buy-side and 6 sell-side disclosures on record, spanning 2022-08-30 to 2026-03-26.
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.