Who has been buying Koike Sanso Kogyo Co.,Ltd. stock?

6 distinct investors have filed 3 disclosed large-shareholding filings in Koike Sanso Kogyo Co.,Ltd. (6137), most recently on 2024-07-29. 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 Koike Sanso Kogyo Co.,Ltd. have?

Koike Sanso Kogyo Co.,Ltd. has 3 buy-side and 3 sell-side disclosures on record, covering ¥448M ($2.9M) in total reported value, spanning 2021-12-27 to 2024-07-29.

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.

Koike Sanso Kogyo Co.,Ltd. 6137

Company

小池酸素工業株式会社Koike Sanso Kogyo Co.,Ltd.

Investors

Buys

Total Value

¥448M ($2.9M)

Avg Return

+274.56%

Last Filing

2024-07-29

Koike Sanso Kogyo Co.,Ltd. (6137) has 3 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥448M ($2.9M) in reported transaction value. The earliest filing StockDrifts holds for Koike Sanso Kogyo Co.,Ltd. is dated 2021-12-27; the most recent is 2024-07-29. Across these filings the average return since disclosure is +274.56%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	204.9K	¥1,154	-	-
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	25.7K	¥1,154	-31.0%	¥4M ($27K)
2023-12-13	BUY	unknown	小池酸素工業取引先持株会理事長野崎浩司 NOZAKI KOJI	strategic	387.0K	¥769	+96.6%	¥298M ($1.9M)
2023-12-13	SELL	unknown	小池酸素工業取引先持株会理事長松倉喜一 MATSUKURA KIICHI	unknown	0	¥769	-96.6%	¥265M ($1.7M)
2021-12-28	BUY	unknown	小池酸素工業取引先持株会理事長松倉喜一 MATSUKURA KIICHI	strategic	344.5K	¥407.8	+270.8%	¥140M ($906K)
2021-12-28	BUY	Market Buy	日本酸素ホールディングス株式会社 NIPPON SANSO HOLDINGS CORPORATION	strategic	266.9K	¥407.8	+270.8%	¥10M ($64K)
2021-12-28	BUY	unknown	小池酸素工業取引先持株会理事長松倉喜一 MATSUKURA KIICHI	strategic	344.5K	¥407.8	-	¥140M ($906K)
2021-12-27	BUY	unknown	峯村剛 MINEMURA TSUYOSHI	unknown	0	¥407.6	-	¥136M ($879K)
2021-12-27	SELL	unknown	峯村剛 MINEMURA TSUYOSHI	strategic	0	¥407.6	-270.9%	¥136M ($879K)

Frequently asked questions

Who has been buying Koike Sanso Kogyo Co.,Ltd. stock?: 6 distinct investors have filed 3 disclosed large-shareholding filings in Koike Sanso Kogyo Co.,Ltd. (6137), most recently on 2024-07-29. 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 Koike Sanso Kogyo Co.,Ltd. have?: Koike Sanso Kogyo Co.,Ltd. has 3 buy-side and 3 sell-side disclosures on record, covering ¥448M ($2.9M) in total reported value, spanning 2021-12-27 to 2024-07-29.
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.