Who has been buying Nissei Plastic Industrial Co.,Ltd. stock?

5 distinct investors have filed 6 disclosed large-shareholding filings in Nissei Plastic Industrial Co.,Ltd. (6293), most recently on 2025-03-17. 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 Nissei Plastic Industrial Co.,Ltd. have?

Nissei Plastic Industrial Co.,Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥1.6B ($10.6M) in total reported value, spanning 2021-04-21 to 2025-03-17.

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.

Nissei Plastic Industrial Co.,Ltd. 6293

Company

日精樹脂工業株式会社Nissei Plastic Industrial Co.,Ltd.

Investors

Buys

Total Value

¥1.6B ($10.6M)

Avg Return

-11.76%

Last Filing

2025-03-17

Nissei Plastic Industrial Co.,Ltd. (6293) has 6 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.6B ($10.6M) in reported transaction value. The earliest filing StockDrifts holds for Nissei Plastic Industrial Co.,Ltd. is dated 2021-04-21; the most recent is 2025-03-17. Across these filings the average return since disclosure is -11.76%, 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
2025-03-17	SELL	negotiated	株式会社八十二銀行 The Hachijuni Bank, Ltd.	strategic	949.9K	¥904	+3.4%	¥16M ($104K)
2025-03-17	SELL	negotiated	株式会社長野銀行 Nagano Bank, Ltd.	strategic	123.6K	¥904	+3.4%	¥199M ($1.3M)
2025-03-17	BUY	negotiated	八十二リース株式会社 Eighty Two Lease Co., Ltd.	strategic	7.2K	¥904	-	-
2023-11-01	SELL	unknown	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	unknown	0	¥1,034	+15.6%	¥1.6B ($10.6M)
2023-10-24	BUY	Market Buy	清原達郎 Tatsuro Kiyohara	passive	1.6M	¥1,019	-	¥1.6B ($10.4M)
2023-10-24	BUY	acquisition	清原達郎 Tatsuro Kiyohara	passive	1.6M	¥1,019	-14.3%	¥1.6B ($10.4M)
2023-09-01	BUY	Market Buy	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	passive	1.6M	¥1,066	-18.1%	¥24M ($153K)
2023-06-08	BUY	negotiated	株式会社八十二銀行 The Hachijuni Bank, Ltd.	strategic	966.0K	¥963	-9.3%	¥930M ($6.0M)
2023-06-08	BUY	negotiated	株式会社長野銀行 Nagano Bank, Ltd.	strategic	343.6K	¥963	-9.3%	¥331M ($2.1M)
2023-06-08	BUY	negotiated	八十二リース株式会社 Eighty Two Lease Co., Ltd.	strategic	7.2K	¥963	-9.3%	¥7M ($45K)
2021-04-21	BUY	Market Buy	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	activist	1.6M	¥971	-10.1%	¥43M ($279K)

Frequently asked questions

Who has been buying Nissei Plastic Industrial Co.,Ltd. stock?: 5 distinct investors have filed 6 disclosed large-shareholding filings in Nissei Plastic Industrial Co.,Ltd. (6293), most recently on 2025-03-17. 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 Nissei Plastic Industrial Co.,Ltd. have?: Nissei Plastic Industrial Co.,Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥1.6B ($10.6M) in total reported value, spanning 2021-04-21 to 2025-03-17.
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.