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Showcase Inc. 3909

Company
株式会社ショーケースShowcase Inc.
Investors
4
Buys
2
Total Value
¥324M ($2.1M)
Avg Return
-21.28%
Last Filing
2024-12-19

Showcase Inc. (3909) has 2 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥324M ($2.1M) in reported transaction value. The earliest filing StockDrifts holds for Showcase Inc. is dated 2023-09-26; the most recent is 2024-12-19. 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 -21.28%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2024-12-19BUYunknown
永田 豊志
Nagata Toyoshi
strategic268.6K¥269-13.4%¥308M ($2.0M)
2024-12-19BUYunknown
森 雅弘
Mori Masahiro
strategic347.2K¥269-13.4%¥398M ($2.6M)
2024-12-19SELLunknown
永田 豊志
Nagata Toyoshi
strategic268.6K¥269+13.4%¥308M ($2.0M)
2024-12-19SELLunknown
森 雅弘
Mori Masahiro
strategic347.2K¥269+13.4%¥398M ($2.6M)
2024-12-17BUYacquisition
AIフュージョンキャピタルグループ株式会社
AI FUSION CAPITAL GROUP CORP.
corporate4.4M¥296-21.3%¥324M ($2.1M)
2024-12-17BUYacquisition
AIフュージョンキャピタルグループ株式会社
AI FUSION CAPITAL GROUP CORP.
corporate2.8M¥296-21.3%¥817M ($5.3M)
2024-11-20BUYunknown
永田 豊志
Nagata Toyoshi
strategic1.2M¥356-34.5%¥424M ($2.7M)
2024-11-20SELLunknown
森 雅弘
Mori Masahiro
strategic1.5M¥356+34.5%¥305K ($2K)
2024-11-19BUYunknown
永田 豊志
Nagata Toyoshi
strategic1.2M¥360-35.3%¥309K ($2K)
2024-11-19SELLunknown
永田 豊志
Nagata Toyoshi
strategic1.2M¥360+35.3%¥5M ($30K)
2023-09-27SELLunknown
森 雅弘
Mori Masahiro
strategic1.5M¥377+38.2%¥153M ($986K)
2023-09-27SELLunknown
永田 豊志
Nagata Toyoshi
strategic1.2M¥377+38.2%¥5M ($31K)
2023-09-27BUYunknown
森 雅弘
Mori Masahiro
strategic1.5M¥377-38.2%¥969K ($6K)
2023-09-27BUYunknown
永田 豊志
Nagata Toyoshi
strategic1.2M¥377-38.2%¥5M ($31K)
2023-09-26SELLMarket Buy
AI inside株式会社
AI insde Inc.
passive158.2K¥376+38.0%¥608M ($3.9M)

Frequently asked questions

Who has been buying Showcase Inc. stock?
4 distinct investors have filed 2 disclosed large-shareholding filings in Showcase Inc. (3909), most recently on 2024-12-19. 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 Showcase Inc. have?
Showcase Inc. has 2 buy-side and 7 sell-side disclosures on record, covering ¥324M ($2.1M) in total reported value, spanning 2023-09-26 to 2024-12-19.
Where does StockDrifts get Showcase Inc. 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 Showcase Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.