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GMB Corporation 7214

Company
GMB株式会社GMB Corporation
Investors
1
Buys
1
Total Value
¥851M ($5.5M)
Avg Return
+15.57%
Last Filing
2025-11-06

GMB Corporation (7214) has 1 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 1 distinct investors. Together those filings cover ¥851M ($5.5M) in reported transaction value. The earliest filing StockDrifts holds for GMB Corporation is dated 2022-04-07; the most recent is 2025-11-06. Across these filings the average return since disclosure is +15.57%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-11-06BUYunknown
松岡信夫
Nobuo Matsuoka
unknown1.0M¥848+32.4%-
2025-11-06BUYnegotiated
松岡信夫
Nobuo Matsuoka
activist1.0M¥848-¥52M ($335K)
2022-04-07BUYunknown
松岡 信夫
Nobuo Matsuoka
other1.1M¥721-¥40M ($260K)
2022-04-07BUYunknown
松岡 信夫
Nobuo Matsuoka
other1.1M¥721-¥40M ($260K)
2022-04-07SELLunknown
松岡 信夫
Nobuo Matsuoka
other1.1M¥721-55.8%¥40M ($260K)

Frequently asked questions

Who has been buying GMB Corporation stock?
1 distinct investors have filed 1 disclosed large-shareholding filings in GMB Corporation (7214), most recently on 2025-11-06. 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 GMB Corporation have?
GMB Corporation has 1 buy-side and 1 sell-side disclosures on record, covering ¥851M ($5.5M) in total reported value, spanning 2022-04-07 to 2025-11-06.
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.