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Sumasapo Inc. 9342

Company
株式会社スマサポSumasapo Inc.
Investors
4
Buys
5
Total Value
¥1.8B ($11.6M)
Avg Return
-61.39%
Last Filing
2023-08-02

Sumasapo Inc. (9342) has 5 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥1.8B ($11.6M) in reported transaction value. The earliest filing StockDrifts holds for Sumasapo Inc. is dated 2022-12-23; the most recent is 2023-08-02. 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 -61.39%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2023-08-02SELLMarket Buy
株式会社DGベンチャーズ
DG Ventures, Inc.
passive41.2K¥1,765+43.5%¥53M ($342K)
2023-08-02SELLunknown
株式会社DGベンチャーズ
DG Ventures, Inc.
unknown0¥1,765+43.5%¥73M ($468K)
2023-08-02BUYunknown
株式会社DGインキュベーション
DG Incubation Co., Ltd.
passive116.7K¥1,765-43.5%¥206M ($1.3M)
2023-08-02SELLMarket Buy
株式会社DGインキュベーション
DG Incubation Co., Ltd.
passive116.7K¥1,765+43.5%¥4M ($25K)
2023-01-10BUYunknown
太田 卓利
Takutoshi Ota
unknown443.3K¥2,556-61.0%¥1.1B ($7.3M)
2023-01-05BUYnegotiated
大東建託パートナーズ株式会社
DAITOKENTAKU PARTNERS CO.,LTD.
strategic140.0K¥2,670-62.6%¥374M ($2.4M)
2023-01-05BUYnegotiated
大東建託パートナーズ株式会社
DAITOKENTAKU PARTNERS CO.,LTD.
strategic140.0K¥2,670-62.6%¥374M ($2.4M)
2023-01-04BUYMarket Buy
株式会社DGインキュベーション
DG Incubation Co., Ltd.
passive116.7K¥2,558-61.0%¥299M ($1.9M)
2023-01-04BUYMarket Buy
株式会社DGベンチャーズ
DG Ventures, Inc.
passive70.0K¥2,558-61.0%¥179M ($1.2M)
2022-12-23BUYnegotiated
大東建託パートナーズ株式会社
DAITO KENTAKU PARTNERS KK
strategic140.0K---
2022-12-23BUYnegotiated
大東建託パートナーズ株式会社
DAITO KENTAKU PARTNERS KK
strategic140.0K---

Frequently asked questions

Who has been buying Sumasapo Inc. stock?
4 distinct investors have filed 5 disclosed large-shareholding filings in Sumasapo Inc. (9342), most recently on 2023-08-02. 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 Sumasapo Inc. have?
Sumasapo Inc. has 5 buy-side and 3 sell-side disclosures on record, covering ¥1.8B ($11.6M) in total reported value, spanning 2022-12-23 to 2023-08-02.
Where does StockDrifts get Sumasapo 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 Sumasapo Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.