StockDrifts LogoStockDrifts

Techno Mathematical Co., Ltd. 3787

Company
株式会社テクノマセマティカルTechno Mathematical Co., Ltd.
Investors
1
Buys
3
Total Value
¥17M ($113K)
Avg Return
-26.11%
Last Filing
2022-12-15

Techno Mathematical Co., Ltd. (3787) has 3 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 1 distinct investors. Together those filings cover ¥17M ($113K) in reported transaction value. The earliest filing StockDrifts holds for Techno Mathematical Co., Ltd. is dated 2021-11-30; the most recent is 2022-12-15. Across these filings the average return since disclosure is -26.11%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-09-18SELLMarket Buy
秋元 利規
Toshinori AKIMOTO
passive0¥676+0.0%¥155M ($1.0M)
2026-09-17BUYMarket Buy
秋元 利規
Toshinori AKIMOTO
passive0¥677-¥156M ($1.0M)
2026-09-17SELLMarket Buy
秋元 利規
Toshinori AKIMOTO
passive0¥677+0.1%¥156M ($1.0M)
2022-12-15BUYMarket Buy
秋元 利規
Toshinori AKIMOTO
passive230.0K¥581+16.4%¥17M ($113K)
2022-05-06BUYMarket Buy
秋元 利規
Toshinori AKIMOTO
passive200.0K¥590+14.6%¥29M ($187K)
2021-11-30BUYMarket Buy
秋元 利規
Toshinori AKIMOTO
passive151.0K¥648+4.3%¥98M ($631K)

Frequently asked questions

Who has been buying Techno Mathematical Co., Ltd. stock?
1 distinct investors have filed 3 disclosed large-shareholding filings in Techno Mathematical Co., Ltd. (3787), most recently on 2022-12-15. 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 Techno Mathematical Co., Ltd. have?
Techno Mathematical Co., Ltd. has 3 buy-side and 0 sell-side disclosures on record, covering ¥17M ($113K) in total reported value, spanning 2021-11-30 to 2022-12-15.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.