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GEOSTR Corporation 5282

Company
ジオスター株式会社GEOSTR Corporation
Investors
6
Buys
1
Total Value
¥11M ($72K)
Avg Return
+42.71%
Last Filing
2025-06-30

GEOSTR Corporation (5282) has 1 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥11M ($72K) in reported transaction value. The earliest filing StockDrifts holds for GEOSTR Corporation is dated 2023-04-20; the most recent is 2025-06-30. Across these filings the average return since disclosure is +42.71%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-06-30SELLMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive755.4K¥290-40.0%¥156M ($1.0M)
2025-06-30BUYMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive360.0K¥290--
2023-10-16SELLMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive360.0K¥295-37.6%¥84M ($540K)
2023-10-16BUYMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.3M¥295+37.6%¥11M ($72K)
2023-04-20BUYnegotiated
日本製鉄株式会社
NIPPON STEEL CORPORATION
strategic12.7M¥307--
2023-04-20BUYnegotiated
日鉄物流株式会社
Nippon Steel Logistics Co., Ltd.
strategic277.0K¥307--
2023-04-20BUYnegotiated
日鉄テックスエンジ株式会社
Nippon Steel Tex Engine Co., Ltd.
strategic195.0K¥307--
2023-04-20BUYnegotiated
日鉄物産株式会社
NIPPON STEEL TRADING CORPORATION
strategic838.0K¥307-¥257M ($1.7M)

Frequently asked questions

Who has been buying GEOSTR Corporation stock?
6 distinct investors have filed 1 disclosed large-shareholding filings in GEOSTR Corporation (5282), most recently on 2025-06-30. 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 GEOSTR Corporation have?
GEOSTR Corporation has 1 buy-side and 2 sell-side disclosures on record, covering ¥11M ($72K) in total reported value, spanning 2023-04-20 to 2025-06-30.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.