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Tohoku Chemical Co., Ltd. 7446

Company
東北化学薬品株式会社Tohoku Chemical Co., Ltd.
Investors
6
Buys
6
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. 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 +17.89%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-09-10SELLunknown
東 康夫
Yasuo Higashi
strategic48.2K¥4,090-5.8%¥23M ($147K)
2025-09-10SELLunknown
東 暁子
Akiko Higashi
strategic47.0K¥4,090-5.8%¥141M ($912K)
2025-09-10SELLunknown
東 暁子
Akiko Higashi
strategic3.9K¥4,090-5.8%¥22M ($144K)
2025-09-10BUYMarket 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
strategic67.7K¥4,090+5.8%¥40M ($256K)
2025-09-10SELLunknown
東 康夫
Yasuo Higashi
strategic268.8K¥4,090-5.8%¥96M ($621K)
2025-09-10BUYMarket 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
strategic77.3K¥4,090+5.8%¥39M ($253K)
2025-01-09SELLnegotiated
株式会社みちのく銀行
Michinoku Bank, Ltd.
unknown0¥3,800-13.8%¥171M ($1.1M)
2025-01-09BUYnegotiated
株式会社青森みちのく銀行
Aomori Michinoku Bank, Ltd.
strategic89.6K¥3,800+13.8%¥169M ($1.1M)
2025-01-09BUYnegotiated
株式会社青森みちのく銀行
Aomori Michinoku Bank, Ltd.
strategic89.6K¥3,800+13.8%¥169M ($1.1M)
2025-01-09SELLnegotiated
株式会社みちのく銀行
Michinoku Bank, Ltd.
unknown0¥3,800-13.8%¥171M ($1.1M)
2022-04-01BUYnegotiated
株式会社みちのく銀行
Michinoku Bank, Ltd.
strategic45.0K¥3,225+34.1%¥145M ($936K)
2022-04-01BUYnegotiated
株式会社青森銀行
The Aomori Bank, Ltd.
strategic45.0K¥3,225+34.1%¥145M ($936K)
2021-05-19SELLMarket Buy
東京中小企業投資育成株式会社
TOKYO SMALL AND MEDIUM BUSINESS INVESTMENT & CONSULTATION CO.,LTD
passive50.4K¥3,575-21.0%¥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.
Where does StockDrifts get Tohoku Chemical Co., Ltd. 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 Tohoku Chemical Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.