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Daishin Chemical Co.,Ltd. 4629

Company
大伸化学株式会社Daishin Chemical Co.,Ltd.
Investors
3
Buys
5
Total Value
¥98M ($634K)
Avg Return
+43.29%
Last Filing
2025-09-26

Daishin Chemical Co.,Ltd. (4629) has 5 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥98M ($634K) in reported transaction value. The earliest filing StockDrifts holds for Daishin Chemical Co.,Ltd. is dated 2023-03-23; the most recent is 2025-09-26. 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 +43.29%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-09-26BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive343.5K¥1,645+27.2%¥36M ($229K)
2025-09-26BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive12.2K¥1,645+27.2%¥20M ($132K)
2024-10-21BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive322.0K¥1,368+52.9%¥63M ($405K)
2024-04-23BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive275.8K¥1,489+40.5%¥69M ($446K)
2023-10-12BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive229.8K¥1,240+68.7%¥285M ($1.8M)
2023-09-07SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other169.1K¥1,198-74.6%¥89M ($571K)
2023-08-07SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other243.0K¥1,202-74.0%¥59M ($377K)
2023-07-07SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other291.8K¥1,215-72.2%¥56M ($364K)
2023-06-07SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other338.2K¥1,167-79.3%¥57M ($366K)
2023-03-23SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other386.6K¥1,196-74.9%¥69M ($443K)

Frequently asked questions

Who has been buying Daishin Chemical Co.,Ltd. stock?
3 distinct investors have filed 5 disclosed large-shareholding filings in Daishin Chemical Co.,Ltd. (4629), most recently on 2025-09-26. 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 Daishin Chemical Co.,Ltd. have?
Daishin Chemical Co.,Ltd. has 5 buy-side and 5 sell-side disclosures on record, covering ¥98M ($634K) in total reported value, spanning 2023-03-23 to 2025-09-26.
Where does StockDrifts get Daishin 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 Daishin Chemical Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.