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Daito Chemix Corporation 4366

Company
ダイトーケミックス株式会社Daito Chemix Corporation
Investors
3
Buys
8
Total Value
¥119M ($767K)
Avg Return
+104.66%
Last Filing
2025-12-12

Daito Chemix Corporation (4366) has 8 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥119M ($767K) in reported transaction value. The earliest filing StockDrifts holds for Daito Chemix Corporation is dated 2023-10-04; the most recent is 2025-12-12. 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 +104.66%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-12-12BUYunknown
平松裕将
Hiramatsu Hiromasa
activist4.2M¥300+51.0%¥119M ($767K)
2025-12-12BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist4.2M¥300+51.0%¥119M ($767K)
2025-11-21BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist3.8M¥265+70.9%¥114M ($735K)
2025-11-21BUYunknown
平松裕将
Hiramatsu Hiromasa
activist3.8M¥265+70.9%¥114M ($735K)
2025-04-22BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist1.1M¥202+124.3%¥23M ($147K)
2025-03-21SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
unknown0¥209.33-116.4%¥1M ($7K)
2025-03-21SELLnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic50.0K¥209.33-116.4%¥1.0B ($6.7M)
2025-01-08BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist1.0M¥213.33+112.3%¥24M ($154K)
2024-08-30BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist911.8K¥206.33+119.5%¥24M ($154K)
2024-04-09BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist796.7K¥230.67+96.4%¥28M ($178K)
2023-12-12BUYMarket Buy
平松裕将
Hiramatsu Hiromasa
activist676.3K¥207+118.8%¥24M ($153K)
2023-10-04BUYunknown
平松裕将
Hiramatsu Hiromasa
activist562.3K¥185.67+144.0%¥104M ($674K)

Frequently asked questions

Who has been buying Daito Chemix Corporation stock?
3 distinct investors have filed 8 disclosed large-shareholding filings in Daito Chemix Corporation (4366), most recently on 2025-12-12. 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 Daito Chemix Corporation have?
Daito Chemix Corporation has 8 buy-side and 2 sell-side disclosures on record, covering ¥119M ($767K) in total reported value, spanning 2023-10-04 to 2025-12-12.
Where does StockDrifts get Daito Chemix Corporation 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 Daito Chemix Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.