Who has been buying Tohoku Chemical Co., Ltd. stock?

6 distinct investors have filed 6 disclosed large-shareholding filings in Tohoku Chemical Co., Ltd. (7446), most recently on 2025-09-10. 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 Tohoku Chemical Co., Ltd. have?

Tohoku Chemical Co., Ltd. has 6 buy-side and 7 sell-side disclosures on record, covering ¥523M ($3.4M) in total reported value, spanning 2021-05-19 to 2025-09-10.

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.

Tohoku Chemical Co., Ltd. 7446

Company

東北化学薬品株式会社Tohoku Chemical Co., Ltd.

Investors

Buys

Total Value

¥523M ($3.4M)

Avg Return

+17.89%

Last Filing

2025-09-10

Tohoku Chemical Co., Ltd. (7446) has 6 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥523M ($3.4M) in reported transaction value. The earliest filing StockDrifts holds for Tohoku Chemical Co., Ltd. is dated 2021-05-19; the most recent is 2025-09-10. Across these filings the average return since disclosure is +17.89%, 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
2025-09-10	SELL	unknown	東康夫 Yasuo Higashi	strategic	48.2K	¥4,090	-9.3%	¥23M ($147K)
2025-09-10	BUY	Market Buy	東北化学薬品取引先持株会理事長森川智 Satoshi Morikawa, Chairman, Tohoku Chemical Trading Partner Shareholding Association	strategic	77.3K	¥4,090	+9.3%	¥39M ($253K)
2025-09-10	SELL	unknown	東康夫 Yasuo Higashi	strategic	268.8K	¥4,090	-9.3%	¥96M ($621K)
2025-09-10	BUY	Market Buy	東北化学薬品取引先持株会理事長森川智 Satoshi Morikawa, Chairman, Tohoku Chemical Trading Partner Shareholding Association	strategic	67.7K	¥4,090	+9.3%	¥40M ($256K)
2025-09-10	SELL	unknown	東暁子 Akiko Higashi	strategic	3.9K	¥4,090	-9.3%	¥22M ($144K)
2025-09-10	SELL	unknown	東暁子 Akiko Higashi	strategic	47.0K	¥4,090	-9.3%	¥141M ($912K)
2025-01-09	BUY	negotiated	株式会社青森みちのく銀行 Aomori Michinoku Bank, Ltd.	strategic	89.6K	¥3,800	+17.6%	¥169M ($1.1M)
2025-01-09	BUY	negotiated	株式会社青森みちのく銀行 Aomori Michinoku Bank, Ltd.	strategic	89.6K	¥3,800	+17.6%	¥169M ($1.1M)
2025-01-09	SELL	negotiated	株式会社みちのく銀行 Michinoku Bank, Ltd.	unknown	0	¥3,800	-17.6%	¥171M ($1.1M)
2025-01-09	SELL	negotiated	株式会社みちのく銀行 Michinoku Bank, Ltd.	unknown	0	¥3,800	-17.6%	¥171M ($1.1M)
2022-04-01	BUY	negotiated	株式会社青森銀行 The Aomori Bank, Ltd.	strategic	45.0K	¥3,225	+38.6%	¥145M ($936K)
2022-04-01	BUY	negotiated	株式会社みちのく銀行 Michinoku Bank, Ltd.	strategic	45.0K	¥3,225	+38.6%	¥145M ($936K)
2021-05-19	SELL	Market Buy	東京中小企業投資育成株式会社 TOKYO SMALL AND MEDIUM BUSINESS INVESTMENT & CONSULTATION CO.,LTD	passive	50.4K	¥3,575	-25.0%	¥32M ($208K)

Frequently asked questions

Who has been buying Tohoku Chemical Co., Ltd. stock?: 6 distinct investors have filed 6 disclosed large-shareholding filings in Tohoku Chemical Co., Ltd. (7446), most recently on 2025-09-10. 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 Tohoku Chemical Co., Ltd. have?: Tohoku Chemical Co., Ltd. has 6 buy-side and 7 sell-side disclosures on record, covering ¥523M ($3.4M) in total reported value, spanning 2021-05-19 to 2025-09-10.
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.