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Kawamoto Corporation 3604

Company
川本産業株式会社Kawamoto Corporation
Investors
2
Buys
4
Total Value
¥6.3B ($40.5M)
Avg Return
+0.23%
Last Filing
2025-05-07

Kawamoto Corporation (3604) has 4 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥6.3B ($40.5M) in reported transaction value. The earliest filing StockDrifts holds for Kawamoto Corporation is dated 2021-05-25; the most recent is 2025-05-07. Across these filings the average return since disclosure is +0.23%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-05-07BUYMarket Buy
エア・ウォーター株式会社
AIR WATER INC.
activist5.8M¥1,198+0.0%¥510M ($3.3M)
2025-04-22BUYunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other51.4K¥1,198+0.0%¥5.8B ($37.2M)
2025-04-09BUYMarket Buy
エア・ウォーター株式会社
AIR WATER INC.
activist5.4M¥1,195+0.3%¥2.9B ($19.0M)
2025-04-07BUYunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other326.6K¥1,190+0.7%¥389M ($2.5M)
2021-05-25BUYnegotiated
エア・ウォーター株式会社
AIR WATER INC.
activist2.9M¥1,133--
2021-05-25BUYnegotiated
エア・ウォーター株式会社
AIR WATER INC.
activist2.9M¥1,133-¥3.3B ($21.2M)

Frequently asked questions

Who has been buying Kawamoto Corporation stock?
2 distinct investors have filed 4 disclosed large-shareholding filings in Kawamoto Corporation (3604), most recently on 2025-05-07. 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 Kawamoto Corporation have?
Kawamoto Corporation has 4 buy-side and 0 sell-side disclosures on record, covering ¥6.3B ($40.5M) in total reported value, spanning 2021-05-25 to 2025-05-07.
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.