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Hamai Industries Ltd. 6497

Company
株式会社ハマイHamai Industries Ltd.
Investors
3
Buys
2
Total Value
¥12M ($79K)
Avg Return
+2.13%
Last Filing
2026-04-15

Hamai Industries Ltd. (6497) has 2 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥12M ($79K) in reported transaction value. The earliest filing StockDrifts holds for Hamai Industries Ltd. is dated 2025-10-21; the most recent is 2026-04-15. Across these filings the average return since disclosure is +2.13%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-08-24BUYMarket Buy
光通信株式会社
passive437.2K¥1,456-3.4%¥109M ($704K)
2026-08-24BUYMarket Buy
株式会社UH6
passive9.6K¥1,456--
2026-04-15BUYMarket Buy
光通信株式会社
passive362.5K¥1,270+10.7%¥460M ($3.0M)
2026-04-15BUYMarket Buy
株式会社UH6
passive9.6K¥1,270+10.7%¥12M ($79K)
2025-10-21SELLMarket Buy
第一生命保険株式会社
The Dai-ichi Life Insurance Company, Limited
passive559.4K¥1,215-15.7%¥91M ($588K)

Frequently asked questions

Who has been buying Hamai Industries Ltd. stock?
3 distinct investors have filed 2 disclosed large-shareholding filings in Hamai Industries Ltd. (6497), most recently on 2026-04-15. 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 Hamai Industries Ltd. have?
Hamai Industries Ltd. has 2 buy-side and 1 sell-side disclosures on record, covering ¥12M ($79K) in total reported value, spanning 2025-10-21 to 2026-04-15.
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.