Who has been buying POVAL KOGYO Co., Ltd. stock?

7 distinct investors have filed 3 disclosed large-shareholding filings in POVAL KOGYO Co., Ltd. (4247), most recently on 2025-09-26. 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 POVAL KOGYO Co., Ltd. have?

POVAL KOGYO Co., Ltd. has 3 buy-side and 7 sell-side disclosures on record, covering ¥275M ($1.8M) in total reported value, spanning 2021-04-05 to 2025-09-26.

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.

POVAL KOGYO Co., Ltd. 4247

Company

ポバール興業株式会社POVAL KOGYO Co., Ltd.

Investors

Buys

Total Value

¥275M ($1.8M)

Avg Return

+10.25%

Last Filing

2025-09-26

POVAL KOGYO Co., Ltd. (4247) has 3 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥275M ($1.8M) in reported transaction value. The earliest filing StockDrifts holds for POVAL KOGYO Co., Ltd. is dated 2021-04-05; the most recent is 2025-09-26. Across these filings the average return since disclosure is +10.25%, 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
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	197.2K	¥1,245	-	-
2025-09-26	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	30.0K	¥1,245	-	-
2022-03-24	BUY	unknown	神田隆生 kanda takao	activist	78.4K	¥1,180	-	-
2022-03-24	BUY	unknown	神田くみ子 Kumiko Kanda	activist	2.9K	¥1,180	+18.6%	¥275M ($1.8M)
2022-03-24	BUY	unknown	株式会社KAY KAY Co., Ltd.	strategic	878.4K	¥1,180	-	-
2022-03-14	SELL	unknown	神田くみ子 Kumiko Kanda	activist	57.3K	¥1,150	-21.6%	¥219M ($1.4M)
2022-03-14	SELL	unknown	株式会社KAY KAY Co., Ltd.	strategic	878.4K	¥1,150	-21.6%	¥115M ($741K)
2022-03-14	BUY	unknown	神田隆生 kanda takao	activist	78.4K	¥1,150	-	-
2022-03-14	SELL	unknown	神田亜希 kanda aki	activist	103.2K	¥1,150	-21.6%	¥52M ($334K)
2022-03-14	SELL	unknown	神田有華 kanda yuka	activist	103.2K	¥1,150	-21.6%	¥52M ($334K)
2022-03-01	BUY	Market Buy	株式会社KAY KAY Co., Ltd.	strategic	978.4K	-	-	-
2022-03-01	BUY	Market Buy	神田くみ子 Kumiko Kanda	activist	247.3K	-	-	-
2022-03-01	BUY	Market Buy	神田隆生 kanda takao	activist	78.4K	-	-	-
2022-03-01	SELL	unknown	神田有華 kanda yuka	activist	148.2K	-	-	-
2022-03-01	SELL	unknown	神田亜希 kanda aki	activist	148.2K	-	-	-
2022-01-18	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	30.0K	-	-	-
2022-01-18	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	197.2K	-	-	-
2021-11-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	227.2K	-	-	-
2021-04-05	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	227.2K	-	-	-

Frequently asked questions

Who has been buying POVAL KOGYO Co., Ltd. stock?: 7 distinct investors have filed 3 disclosed large-shareholding filings in POVAL KOGYO Co., Ltd. (4247), most recently on 2025-09-26. 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 POVAL KOGYO Co., Ltd. have?: POVAL KOGYO Co., Ltd. has 3 buy-side and 7 sell-side disclosures on record, covering ¥275M ($1.8M) in total reported value, spanning 2021-04-05 to 2025-09-26.
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.