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Toyo Drilube Co., Ltd. 4976

Company
東洋ドライルーブ株式会社Toyo Drilube Co., Ltd.
Investors
6
Buys
6
Total Value
¥176M ($1.1M)
Avg Return
+52.89%
Last Filing
2025-07-31

Toyo Drilube Co., Ltd. (4976) has 6 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥176M ($1.1M) in reported transaction value. The earliest filing StockDrifts holds for Toyo Drilube Co., Ltd. is dated 2022-05-12; the most recent is 2025-07-31. 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 +52.89%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-07-31BUYunknown
株式会社TNNアドバイザーズ
TNN Advisors Co., Ltd
activist68.7K¥1,345+3.4%¥92M ($596K)
2025-04-24BUYunknown
飯野 玲子
Reiko Iino
activist105.8K¥1,106.67+25.6%¥117M ($756K)
2025-04-24BUYunknown
株式会社スター・ライツ・クリエイト
Star Lights Create Co., Ltd.
activist103.9K¥1,106.67+25.6%¥115M ($742K)
2025-04-24SELLunknown
飯野 光彦
Mitsuhiko Iino
activist306.3K¥1,106.67-25.6%¥22M ($143K)
2025-01-07BUYunknown
飯野 佐保里
iino saori
activist68.6K¥982.67+41.5%¥67M ($435K)
2025-01-07BUYMarket Buy
飯野 光俊
iino mitsutoshi
activist106.0K¥982.67+41.5%¥13M ($87K)
2023-01-17BUYunknown
株式会社スター・ライツ・クリエイト
Star Lights Create Co., Ltd.
activist103.9K¥756.33+83.8%¥3M ($20K)
2023-01-17BUYunknown
飯野玲子
Reiko Iino
activist105.8K¥756.33+83.8%¥3M ($20K)
2023-01-17SELLunknown
飯野光彦
iino mitsuhiko
activist326.3K¥756.33-83.8%¥14M ($88K)
2022-05-12BUYMarket Buy
飯野 光俊
iino mitsutoshi
activist92.3K¥850+63.5%¥9M ($55K)

Frequently asked questions

Who has been buying Toyo Drilube Co., Ltd. stock?
6 distinct investors have filed 6 disclosed large-shareholding filings in Toyo Drilube Co., Ltd. (4976), most recently on 2025-07-31. 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 Toyo Drilube Co., Ltd. have?
Toyo Drilube Co., Ltd. has 6 buy-side and 2 sell-side disclosures on record, covering ¥176M ($1.1M) in total reported value, spanning 2022-05-12 to 2025-07-31.
Where does StockDrifts get Toyo Drilube 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 Toyo Drilube Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.