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TRADE WORKS Co., Ltd 3997

Company
株式会社トレードワークスTRADE WORKS Co., Ltd
Investors
7
Buys
4
Total Value
¥56M ($364K)
Avg Return
+302.76%
Last Filing
2025-12-26

TRADE WORKS Co., Ltd (3997) has 4 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥56M ($364K) in reported transaction value. The earliest filing StockDrifts holds for TRADE WORKS Co., Ltd is dated 2021-07-19; the most recent is 2025-12-26. 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 +302.76%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-12-26BUYunknown
浅見 勝弘
Katsuhiro Asami
activist11.2M¥439-8.9%¥749M ($4.8M)
2025-12-26BUYunknown
浅見 勝弘
Katsuhiro Asami
activist11.2M¥439-8.9%¥749M ($4.8M)
2025-12-26SELLunknown
浅見 勝弘
Katsuhiro Asami
activist11.1M¥439+8.9%¥792M ($5.1M)
2025-03-21BUYMarket Buy
SBIホールディングス株式会社
SBI Holdings Co., Ltd.
passive200.0K¥135+196.3%¥27M ($174K)
2025-03-21SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other80¥135-196.3%¥7M ($46K)
2025-03-11BUYMarket Buy
SBIホールディングス株式会社
SBI Holdings Co., Ltd.
passive200.0K¥131.2+204.9%¥26M ($169K)
2025-03-11BUYMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other53.0K¥131.2+204.9%¥7M ($45K)
2024-05-17BUYunknown
株式会社ミンカブソリューションサービシーズ
MINKABU SOLUTION SERVICES , Inc.
other180.0K¥79.9+400.6%¥14M ($93K)
2023-01-04SELLMarket Buy
大野 寿美
Toshimi Ohno
passive0¥108.4-269.0%¥18M ($118K)
2021-11-18SELLunknown
浅見 勝弘
Katsuhiro Asami
activist1.1M¥133.7-199.2%¥3M ($17K)
2021-09-03BUYunknown
市川俊雄
Toshio Ichikawa
unknown0¥79.9+400.6%¥16M ($102K)
2021-09-03BUYunknown
市川俊雄
Toshio Ichikawa
unknown0¥79.9+400.6%¥16M ($102K)
2021-07-19SELLMarket Buy
auカブコム証券株式会社
Mitsubishi UFJ Financial Group Inc.
passive150.0K¥82.2-386.6%¥13M ($83K)

Frequently asked questions

Who has been buying TRADE WORKS Co., Ltd stock?
7 distinct investors have filed 4 disclosed large-shareholding filings in TRADE WORKS Co., Ltd (3997), most recently on 2025-12-26. 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 TRADE WORKS Co., Ltd have?
TRADE WORKS Co., Ltd has 4 buy-side and 5 sell-side disclosures on record, covering ¥56M ($364K) in total reported value, spanning 2021-07-19 to 2025-12-26.
Where does StockDrifts get TRADE WORKS 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 TRADE WORKS Co., Ltd. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.