Who has been buying CELM,Inc. stock?

7 distinct investors have filed 11 disclosed large-shareholding filings in CELM,Inc. (7367), most recently on 2025-08-28. 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 CELM,Inc. have?

CELM,Inc. has 11 buy-side and 0 sell-side disclosures on record, covering ¥1.2B ($7.5M) in total reported value, spanning 2021-04-12 to 2025-08-28.

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.

CELM,Inc. 7367

Company

株式会社セルムCELM,Inc.

Investors

Buys

Total Value

¥1.2B ($7.5M)

Avg Return

-6.25%

Last Filing

2025-08-28

CELM,Inc. (7367) has 11 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.2B ($7.5M) in reported transaction value. The earliest filing StockDrifts holds for CELM,Inc. is dated 2021-04-12; the most recent is 2025-08-28. Across these filings the average return since disclosure is -6.25%, 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
2025-08-28	BUY	Market Buy	加島禎二 Teiji Kashima	activist	3.2M	¥359	-7.2%	¥98M ($634K)
2025-08-28	BUY	unknown	加島禎二 Teiji Kashima	activist	3.2M	¥359	-7.2%	¥98M ($634K)
2025-08-28	BUY	unknown	株式会社アイランドプラス Island Plus Co., Ltd.	activist	3.7M	¥359	-7.2%	¥102M ($655K)
2025-08-28	BUY	Market Buy	株式会社アイランドプラス Island Plus Co., Ltd.	activist	3.7M	¥359	-7.2%	¥102M ($655K)
2021-04-12	BUY	unknown	加藤友希 tomoki kato	other	400.0K	¥340	-2.1%	¥136M ($877K)
2021-04-12	BUY	unknown	加島禎二 Teiji Kashima	activist	800.0K	¥340	-2.1%	¥272M ($1.8M)
2021-04-12	BUY	unknown	田口佳子 yoshiko taguchi	other	400.0K	¥340	-2.1%	¥136M ($877K)
2021-04-12	BUY	unknown	若鍋孝司 Koji Wakanabe	other	350.0K	¥340	-2.1%	¥119M ($768K)
2021-04-12	BUY	unknown	株式会社PINERIVER PINERIVER	strategic	400.0K	¥340	-2.1%	¥136M ($877K)
2021-04-12	BUY	unknown	株式会社アイズ aizu	strategic	350.0K	¥340	-2.1%	¥119M ($768K)
2021-04-12	BUY	unknown	株式会社アイランドプラス Island Plus Co., Ltd.	activist	920.0K	¥340	-2.1%	¥313M ($2.0M)

Frequently asked questions

Who has been buying CELM,Inc. stock?: 7 distinct investors have filed 11 disclosed large-shareholding filings in CELM,Inc. (7367), most recently on 2025-08-28. 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 CELM,Inc. have?: CELM,Inc. has 11 buy-side and 0 sell-side disclosures on record, covering ¥1.2B ($7.5M) in total reported value, spanning 2021-04-12 to 2025-08-28.
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.