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Daido Signal Co., Ltd. 6743

Company
大同信号株式会社Daido Signal Co., Ltd.
Investors
6
Buys
5
Total Value
¥735M ($4.7M)
Avg Return
+49.36%
Last Filing
2026-04-24

Daido Signal Co., Ltd. (6743) has 5 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥735M ($4.7M) in reported transaction value. The earliest filing StockDrifts holds for Daido Signal Co., Ltd. is dated 2023-06-07; the most recent is 2026-04-24. 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 +49.36%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-08-14SELLunknown
日本電設工業株式会社
NIPPON DENSETSU KOGYO CO., LTD.
strategic1.9M¥1,057+0.0%¥528M ($3.4M)
2026-04-24SELLMarket Buy
重田康光
passive0¥795-4.5%¥428M ($2.8M)
2026-04-24BUYMarket Buy
有限会社光パワー
passive598.3K¥795+4.5%¥116M ($749K)
2024-06-21BUYunknown
みずほ信託銀行株式会社
Mizuho Trust & Banking Co., Ltd.
other279.8K¥530+54.1%¥148M ($957K)
2024-06-21BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic683.1K¥530+54.1%¥362M ($2.3M)
2024-06-07SELLunknown
みずほ信託銀行株式会社
Mizuho Trust & Banking Co., Ltd.
unknown0¥484-68.8%¥49M ($315K)
2024-06-07BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic683.1K¥484+68.8%¥326M ($2.1M)
2024-06-06BUYMarket Buy
日本電設工業株式会社
NIPPON DENSETSU KOGYO CO., LTD.
strategic2.4M¥484+68.8%¥145M ($934K)
2023-06-07SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other885.5K¥433-88.7%¥93M ($599K)

Frequently asked questions

Who has been buying Daido Signal Co., Ltd. stock?
6 distinct investors have filed 5 disclosed large-shareholding filings in Daido Signal Co., Ltd. (6743), most recently on 2026-04-24. 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 Daido Signal Co., Ltd. have?
Daido Signal Co., Ltd. has 5 buy-side and 3 sell-side disclosures on record, covering ¥735M ($4.7M) in total reported value, spanning 2023-06-07 to 2026-04-24.
Where does StockDrifts get Daido Signal 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 Daido Signal Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.