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日本システムバンク株式会社 5530

Company
日本システムバンク株式会社
Investors
5
Buys
9
Total Value
—
Avg Return
—
Last Filing
2026-04-24

日本システムバンク株式会社 (5530) has 9 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 5 distinct investors. The earliest filing StockDrifts holds for 日本システムバンク株式会社 is dated 2023-04-20; the most recent is 2026-04-24. 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
2026-08-05BUYMarket Buy
株式会社パークランド
passive125.7K---
2026-08-05BUYunknown
吉川 民子
unknown100---
2026-08-05BUYMarket Buy
吉川 民子
passive100---
2026-08-05BUYMarket Buy
吉川 明宏
passive12.1K---
2026-08-05BUYMarket Buy
株式会社パークランド
passive125.7K---
2026-04-24BUYMarket Buy
株式会社パークランド 代表取締役 吉川 明宏
PARKLAND Co., Ltd.
passive114.8K---
2026-04-24BUYMarket Buy
株式会社パークランド 代表取締役 吉川 明宏
PARKLAND Co., Ltd.
passive114.8K---
2026-04-24BUYMarket Buy
株式会社パークランド
PARKLAND Co., Ltd.
passive114.8K---
2023-04-20BUYnegotiated
野坂 俊彰
Toshiaki Nosaka
activist147.4K---
2023-04-20BUYnegotiated
野坂 真美
Mami Nosaka
activist13.9K---
2023-04-20BUYnegotiated
野坂 喜美江
Kimie Nosaka
activist4.2K---
2023-04-20BUYnegotiated
野坂 信嘉
Nobuyoshi Nosaka
activist268.1K---
2023-04-20BUYnegotiated
野坂 俊彰
Toshiaki Nosaka
activist147.4K---
2023-04-20BUYnegotiated
野坂 信嘉
Nobuyoshi Nosaka
activist268.1K---

Frequently asked questions

Who has been buying 日本システムバンク株式会社 stock?
5 distinct investors have filed 9 disclosed large-shareholding filings in 日本システムバンク株式会社 (5530), most recently on 2026-04-24. 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 日本システムバンク株式会社 have?
日本システムバンク株式会社 has 9 buy-side and 0 sell-side disclosures on record, spanning 2023-04-20 to 2026-04-24.
Where does StockDrifts get 日本システムバンク株式会社 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 日本システムバンク株式会社. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.