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.

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.

Sumasapo Inc. 9342

Company

株式会社スマサポSumasapo Inc.

Investors

Buys

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. 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

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2023-08-02	SELL	Market Buy	株式会社DGベンチャーズ DG Ventures, Inc.	passive	41.2K	¥1,765	+45.3%	¥53M ($342K)
2023-08-02	SELL	unknown	株式会社DGベンチャーズ DG Ventures, Inc.	unknown	0	¥1,765	+45.3%	¥73M ($468K)
2023-08-02	SELL	Market Buy	株式会社DGインキュベーション DG Incubation Co., Ltd.	passive	116.7K	¥1,765	+45.3%	¥4M ($25K)
2023-08-02	BUY	unknown	株式会社DGインキュベーション DG Incubation Co., Ltd.	passive	116.7K	¥1,765	-	-
2023-01-10	BUY	unknown	太田卓利 Takutoshi Ota	unknown	443.3K	¥2,556	-62.3%	¥1.1B ($7.3M)
2023-01-05	BUY	negotiated	大東建託パートナーズ株式会社 DAITOKENTAKU PARTNERS CO.,LTD.	strategic	140.0K	¥2,670	-	¥374M ($2.4M)
2023-01-05	BUY	negotiated	大東建託パートナーズ株式会社 DAITOKENTAKU PARTNERS CO.,LTD.	strategic	140.0K	¥2,670	-63.9%	¥374M ($2.4M)
2023-01-04	BUY	Market Buy	株式会社DGベンチャーズ DG Ventures, Inc.	passive	70.0K	¥2,558	-62.3%	¥179M ($1.2M)
2023-01-04	BUY	Market Buy	株式会社DGインキュベーション DG Incubation Co., Ltd.	passive	116.7K	¥2,558	-62.3%	¥299M ($1.9M)
2022-12-23	BUY	negotiated	大東建託パートナーズ株式会社 DAITO KENTAKU PARTNERS KK	strategic	140.0K	-	-	-
2022-12-23	BUY	negotiated	大東建託パートナーズ株式会社 DAITO KENTAKU PARTNERS KK	strategic	140.0K	-	-	-

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.
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.