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Nankai Plywood Co.,Ltd. 7887

Company
南海プライウッド株式会社Nankai Plywood Co.,Ltd.
Investors
3
Buys
2
Total Value
¥551M ($3.6M)
Avg Return
+32.89%
Last Filing
2026-05-12

Nankai Plywood Co.,Ltd. (7887) has 2 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥551M ($3.6M) in reported transaction value. The earliest filing StockDrifts holds for Nankai Plywood Co.,Ltd. is dated 2023-05-09; the most recent is 2026-05-12. 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 +32.89%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-05-22SELLunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other148.2K¥1,564+0.5%¥201M ($1.3M)
2026-05-12BUYunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other276.7K¥1,992-23.3%¥551M ($3.6M)
2024-01-22SELLunknown
南海興産株式会社
NANKAIKOUSAN CO.,Ltd.
strategic241.8K¥1,178-74.1%¥12M ($77K)
2023-11-07SELLunknown
南海興産株式会社
NANKAIKOUSAN CO.,Ltd.
strategic251.9K¥1,132-81.2%¥27M ($171K)
2023-10-24BUYunknown
公益財団法人南海育英会
NANKAIIKUEIKAI
other1.6M¥1,100+86.5%¥1.7B ($11.0M)
2023-10-12BUYunknown
南海興産株式会社
NANKAIKOUSAN CO.,Ltd.
strategic275.3K¥1,132+81.2%¥312M ($2.0M)
2023-05-19SELLunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other22.2K¥1,052-95.0%¥30M ($194K)
2023-05-09BUYunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other50.8K¥1,190+72.3%¥60M ($390K)

Frequently asked questions

Who has been buying Nankai Plywood Co.,Ltd. stock?
3 distinct investors have filed 2 disclosed large-shareholding filings in Nankai Plywood Co.,Ltd. (7887), most recently on 2026-05-12. 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 Nankai Plywood Co.,Ltd. have?
Nankai Plywood Co.,Ltd. has 2 buy-side and 3 sell-side disclosures on record, covering ¥551M ($3.6M) in total reported value, spanning 2023-05-09 to 2026-05-12.
Where does StockDrifts get Nankai Plywood Co.,Ltd. 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 Nankai Plywood Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.