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アスカ株式会社 7227

Company
アスカ株式会社
Investors
3
Buys
6
Total Value
—
Avg Return
—
Last Filing
2026-02-20

アスカ株式会社 (7227) has 6 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 3 distinct investors. The earliest filing StockDrifts holds for アスカ株式会社 is dated 2023-09-04; the most recent is 2026-02-20. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

No price data available

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-07-22BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation
activist1.6M---
2026-02-20SELLunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.4M---
2025-04-24BUYunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.9M---
2025-04-24BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.9M---
2025-03-14BUYunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.4M---
2025-03-14BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.9M---
2025-03-10BUYunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.4M---
2025-03-10BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.9M---
2024-10-17BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.4M---
2024-05-16BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.4M---
2024-04-22BUYunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.3M---
2024-04-22BUYunknown
片山 義規
Yoshinori Katayama
activist8.1K---
2024-04-22BUYunknown
片山 義規
Yoshinori Katayama
activist8.1K---
2024-04-22BUYunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.3M---
2024-03-29BUYunknown
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.3M---
2023-10-17SELLMarket Buy
片山 義規
Yoshinori Katayama
activist0---
2023-10-17BUYMarket Buy
株式会社CIS 代表取締役 片山 義規
Central Ise-Shima Corporation CEO Yoshinori Katayama
activist1.3M---
2023-09-04SELLnegotiated
ニチアス株式会社
Nichias Corporation
strategic778.4K---
2023-09-04BUYnegotiated
ニチアス株式会社
Nichias Corporation
strategic778.4K---

Frequently asked questions

Who has been buying アスカ株式会社 stock?
3 distinct investors have filed 6 disclosed large-shareholding filings in アスカ株式会社 (7227), most recently on 2026-02-20. 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 アスカ株式会社 have?
アスカ株式会社 has 6 buy-side and 3 sell-side disclosures on record, spanning 2023-09-04 to 2026-02-20.
Where does StockDrifts get アスカ株式会社 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 アスカ株式会社. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.