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Okumura Engineering corp. 6229

Company
株式会社オーケーエムOkumura Engineering corp.
Investors
2
Buys
1
Total Value
¥414M ($2.7M)
Avg Return
+42.21%
Last Filing
2025-03-28

Okumura Engineering corp. (6229) has 1 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥414M ($2.7M) in reported transaction value. The earliest filing StockDrifts holds for Okumura Engineering corp. is dated 2025-03-10; the most recent is 2025-03-28. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +42.21%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-03-28BUYunknown
奥村晋一商会株式会社 代表取締役 奥村 志野
okumurashinichishokai corporaition
other290.4K¥1,345+50.6%¥391M ($2.5M)
2025-03-28BUYunknown
奥村晋一商会株式会社 代表取締役 奥村 志野
okumurashinichishokai corporaition
other290.4K¥1,345+50.6%¥391M ($2.5M)
2025-03-10SELLunknown
奥村 晋一
okumura shinichi
strategic2.0K¥1,424-42.2%¥130M ($838K)
2025-03-10BUYunknown
奥村晋一商会株式会社 代表取締役 奥村 志野
okumurashinichishokai corporaition
other290.4K¥1,424+42.2%¥414M ($2.7M)
2025-03-10BUYunknown
奥村 晋一
okumura shinichi
strategic2.0K¥1,424+42.2%¥130M ($838K)

Frequently asked questions

Who has been buying Okumura Engineering corp. stock?
2 distinct investors have filed 1 disclosed large-shareholding filings in Okumura Engineering corp. (6229), most recently on 2025-03-28. 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 Okumura Engineering corp. have?
Okumura Engineering corp. has 1 buy-side and 1 sell-side disclosures on record, covering ¥414M ($2.7M) in total reported value, spanning 2025-03-10 to 2025-03-28.
Where does StockDrifts get Okumura Engineering corp. insider data?
From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Okumura Engineering corp.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.