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Maruo Calcium Co., Ltd. 4102

Company
丸尾カルシウム株式会社Maruo Calcium Co., Ltd.
Investors
2
Buys
4
Total Value
¥199M ($1.3M)
Avg Return
+9.28%
Last Filing
2021-12-28

Maruo Calcium Co., Ltd. (4102) has 4 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥199M ($1.3M) in reported transaction value. The earliest filing StockDrifts holds for Maruo Calcium Co., Ltd. is dated 2021-12-28; the most recent is 2021-12-28. Across these filings the average return since disclosure is +9.28%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2021-12-28BUYunknown
丸尾 直子
Naoko Maruo
activist42.4K¥1,304--
2021-12-28BUYMarket Buy
丸尾 直子
Naoko Maruo
activist42.4K¥1,304-¥55M ($357K)
2021-12-28BUYunknown
丸尾 直子
Naoko Maruo
activist42.4K¥1,304+10.7%¥55M ($357K)
2021-12-28BUYMarket Buy
丸尾 治男
Haruo Maruo
activist138.7K¥1,304+10.7%¥72M ($464K)
2021-12-28BUYunknown
丸尾 治男
Haruo Maruo
activist138.7K¥1,304+10.7%¥72M ($464K)
2021-12-28BUYunknown
丸尾 治男
Haruo Maruo
activist83.6K¥1,304+10.7%¥109M ($703K)

Frequently asked questions

Who has been buying Maruo Calcium Co., Ltd. stock?
2 distinct investors have filed 4 disclosed large-shareholding filings in Maruo Calcium Co., Ltd. (4102), most recently on 2021-12-28. 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 Maruo Calcium Co., Ltd. have?
Maruo Calcium Co., Ltd. has 4 buy-side and 0 sell-side disclosures on record, covering ¥199M ($1.3M) in total reported value, spanning 2021-12-28 to 2021-12-28.
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.