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JIG-SAW Inc. 3914

Company
JIG-SAW株式会社JIG-SAW Inc.
Investors
4
Buys
3
Total Value
¥6.3B ($40.4M)
Avg Return
-74.41%
Last Filing
2025-04-22

JIG-SAW Inc. (3914) has 3 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥6.3B ($40.4M) in reported transaction value. The earliest filing StockDrifts holds for JIG-SAW Inc. is dated 2021-04-20; the most recent is 2025-04-22. 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 -74.41%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-04-22SELLunknown
山川 真考
Masunaru Yamakawa
activist925.0K¥2,904+13.2%¥71M ($455K)
2023-08-30SELLunknown
山川 真考
Masunaru Yamakawa
activist953.0K¥4,080+38.2%¥297M ($1.9M)
2023-02-14SELLunknown
江見 淳 相続人代表 江見 由希子
Yukiko Emi
unknown0¥5,580+54.8%¥6.5B ($41.8M)
2023-02-14BUYunknown
江見 由希子
Yukiko Emi
strategic1.1M¥5,580-54.8%¥6.1B ($39.5M)
2021-04-20SELLunknown
斉藤 享子
Kyoko Saito
strategic96.0K¥15,980+84.2%¥162M ($1.0M)
2021-04-20BUYunknown
斉藤 誠
Makoto Saito
strategic363.6K¥15,980-84.2%¥65M ($417K)
2021-04-20BUYunknown
斉藤 誠
Makoto Saito
strategic363.6K¥15,980-84.2%¥65M ($417K)

Frequently asked questions

Who has been buying JIG-SAW Inc. stock?
4 distinct investors have filed 3 disclosed large-shareholding filings in JIG-SAW Inc. (3914), most recently on 2025-04-22. 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 JIG-SAW Inc. have?
JIG-SAW Inc. has 3 buy-side and 4 sell-side disclosures on record, covering ¥6.3B ($40.4M) in total reported value, spanning 2021-04-20 to 2025-04-22.
Where does StockDrifts get JIG-SAW Inc. 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 JIG-SAW Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.