Who has been buying Meiwa Industry Co., Ltd. stock?

4 distinct investors have filed 7 disclosed large-shareholding filings in Meiwa Industry Co., Ltd. (7284), most recently on 2026-04-22. 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 Meiwa Industry Co., Ltd. have?

Meiwa Industry Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥352M ($2.3M) in total reported value, spanning 2021-07-06 to 2026-04-22.

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.

Meiwa Industry Co., Ltd. 7284

Company

盟和産業株式会社Meiwa Industry Co., Ltd.

Investors

Buys

Total Value

¥352M ($2.3M)

Avg Return

+19.03%

Last Filing

2026-04-22

Meiwa Industry Co., Ltd. (7284) has 7 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥352M ($2.3M) in reported transaction value. The earliest filing StockDrifts holds for Meiwa Industry Co., Ltd. is dated 2021-07-06; the most recent is 2026-04-22. Across these filings the average return since disclosure is +19.03%, 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
2026-09-11	SELL	unknown	黄聖博	unknown	0	¥1,160	-1.2%	¥48M ($307K)
2026-09-11	BUY	Market Buy	成成株式会社	activist	240.0K	¥1,160	+1.2%	¥56M ($359K)
2026-09-11	SELL	Market Buy	前山株式会社	passive	22.7K	¥1,160	-1.2%	¥813K ($5K)
2026-06-16	BUY	Market Buy	成成株式会社	activist	191.8K	¥1,254	-6.4%	¥2M ($14K)
2026-06-16	BUY	Market Buy	黄聖博	passive	40.9K	¥1,254	-	¥51M ($331K)
2026-06-16	BUY	Market Buy	前山株式会社	passive	23.3K	¥1,254	-	¥29M ($189K)
2026-04-22	BUY	Market Buy	成成株式会社 SEISEI CO.,LTD.	activist	190.1K	¥1,226	-4.2%	¥233M ($1.5M)
2023-06-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	30.9K	¥1,010	-16.2%	¥13M ($84K)
2023-06-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	58.2K	¥1,010	-	-
2023-06-21	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	51.6K	¥1,010	-16.2%	¥23M ($148K)
2022-06-21	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	43.7K	¥1,020	+15.1%	¥45M ($288K)
2022-06-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	58.2K	¥1,020	+15.1%	¥59M ($383K)
2022-06-21	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	74.1K	¥1,020	+15.1%	¥76M ($488K)
2022-06-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	58.2K	¥1,006	-	-
2022-06-06	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	72.9K	¥1,006	-	-
2022-06-06	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	43.5K	¥1,006	-16.7%	¥705K ($5K)
2021-07-06	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	58.2K	¥996	+17.9%	¥58M ($374K)
2021-07-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	73.0K	¥996	+17.9%	¥73M ($469K)
2021-07-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	44.0K	¥996	+17.9%	¥44M ($283K)

Frequently asked questions

Who has been buying Meiwa Industry Co., Ltd. stock?: 4 distinct investors have filed 7 disclosed large-shareholding filings in Meiwa Industry Co., Ltd. (7284), most recently on 2026-04-22. 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 Meiwa Industry Co., Ltd. have?: Meiwa Industry Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥352M ($2.3M) in total reported value, spanning 2021-07-06 to 2026-04-22.
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.