Who has been buying Ohmura Shigyo Co.,Ltd. stock?

4 distinct investors have filed 4 disclosed large-shareholding filings in Ohmura Shigyo Co.,Ltd. (3953), most recently on 2025-03-24. 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 Ohmura Shigyo Co.,Ltd. have?

Ohmura Shigyo Co.,Ltd. has 4 buy-side and 12 sell-side disclosures on record, covering ¥575M ($3.7M) in total reported value, spanning 2022-03-15 to 2025-03-24.

Where does StockDrifts get Ohmura Shigyo Co.,Ltd. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

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.

Ohmura Shigyo Co.,Ltd. 3953

Company

大村紙業株式会社Ohmura Shigyo Co.,Ltd.

Investors

Buys

Total Value

¥575M ($3.7M)

Avg Return

+43.38%

Last Filing

2025-03-24

Ohmura Shigyo Co.,Ltd. (3953) has 4 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥575M ($3.7M) in reported transaction value. The earliest filing StockDrifts holds for Ohmura Shigyo Co.,Ltd. is dated 2022-03-15; the most recent is 2025-03-24. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +43.38%, 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
2025-03-24	BUY	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.1M	¥872	-8.4%	¥947M ($6.1M)
2025-03-24	SELL	unknown	大村八重子 Yaeko Omura	strategic	176.0K	¥872	+8.4%	¥154M ($996K)
2025-03-24	BUY	unknown	大村日出雄 HIDEO OHMURA	activist	375.9K	¥872	-8.4%	¥328M ($2.1M)
2024-03-25	SELL	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.1M	¥809	+1.2%	¥143M ($924K)
2024-03-25	BUY	unknown	大村八重子 Yaeko Omura	strategic	353.0K	¥809	-1.2%	¥286M ($1.8M)
2024-03-25	BUY	unknown	大村日出雄 HIDEO OHMURA	activist	375.9K	¥809	-1.2%	¥304M ($2.0M)
2023-02-14	SELL	unknown	大村八重子 Yaeko Omura	strategic	353.0K	¥530	-50.8%	¥143M ($921K)
2023-02-14	SELL	unknown	大村日出雄 HIDEO OHMURA	activist	375.9K	¥530	-50.8%	¥139M ($899K)
2023-02-14	BUY	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.3M	¥530	+50.8%	¥568M ($3.7M)
2022-04-11	SELL	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	263.0K	¥575	-39.0%	¥661M ($4.3M)
2022-04-11	SELL	unknown	大村八重子 Yaeko Omura	strategic	853.0K	¥575	-39.0%	¥29M ($185K)
2022-04-11	SELL	unknown	大村日出雄 HIDEO OHMURA	activist	875.9K	¥575	-39.0%	¥29M ($187K)
2022-03-15	SELL	unknown	大村紙業株式会社 Ohmura Shigyo Co.,Ltd.	unknown	0	¥567	-40.9%	¥41M ($263K)
2022-03-15	BUY	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.4M	¥567	+40.9%	¥801M ($5.2M)
2022-03-15	BUY	unknown	大村八重子 Yaeko Omura	strategic	903.0K	¥567	+40.9%	¥512M ($3.3M)
2022-03-15	BUY	unknown	大村紙業株式会社 Ohmura Shigyo Co.,Ltd.	other	71.6K	¥567	+40.9%	¥41M ($262K)
2022-03-15	BUY	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.4M	¥567	+40.9%	¥801M ($5.2M)
2022-03-15	BUY	unknown	大村八重子 Yaeko Omura	strategic	903.0K	¥567	+40.9%	¥512M ($3.3M)
2022-03-15	SELL	Market Buy	大村紙業株式会社 Ohmura Shigyo Co.,Ltd.	other	71.6K	¥567	-40.9%	¥1.3B ($8.1M)
2022-03-15	SELL	Market Buy	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.4M	¥567	-40.9%	¥6M ($41K)
2022-03-15	SELL	Market Buy	大村八重子 Yaeko Omura	strategic	903.0K	¥567	-40.9%	¥6M ($36K)
2022-03-15	BUY	Market Buy	大村紙業株式会社 Ohmura Shigyo Co.,Ltd.	other	23.0K	¥567	+40.9%	¥13M ($84K)
2022-03-15	BUY	Market Buy	大村八重子 Yaeko Omura	strategic	913.0K	¥567	+40.9%	¥518M ($3.3M)
2022-03-15	BUY	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.3M	¥567	+40.9%	¥726M ($4.7M)
2022-03-15	BUY	unknown	大村八重子 Yaeko Omura	strategic	830.0K	¥567	+40.9%	¥471M ($3.0M)
2022-03-15	BUY	unknown	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.3M	¥567	+40.9%	¥726M ($4.7M)
2022-03-15	BUY	unknown	大村八重子 Yaeko Omura	strategic	830.0K	¥567	+40.9%	¥471M ($3.0M)
2022-03-15	BUY	unknown	大村日出雄 HIDEO OHMURA	activist	850.0K	¥567	+40.9%	¥482M ($3.1M)
2022-03-15	BUY	unknown	大村日出雄 HIDEO OHMURA	activist	850.0K	¥567	+40.9%	¥482M ($3.1M)
2022-03-15	BUY	Market Buy	大村日出雄 HIDEO OHMURA	activist	944.0K	¥567	+40.9%	¥4M ($27K)
2022-03-15	BUY	Market Buy	大村日出雄 HIDEO OHMURA	activist	947.0K	¥567	+40.9%	¥3M ($18K)
2022-03-15	BUY	unknown	大村日出雄 HIDEO OHMURA	activist	947.0K	¥567	+40.9%	¥537M ($3.5M)
2022-03-15	SELL	unknown	大村日出雄 HIDEO OHMURA	activist	925.9K	¥567	-40.9%	¥12M ($77K)
2022-03-15	BUY	Market Buy	サンオオムラ株式会社 San Omura Co., Ltd.	strategic	1.4M	¥567	+40.9%	¥9M ($59K)

Frequently asked questions

Who has been buying Ohmura Shigyo Co.,Ltd. stock?: 4 distinct investors have filed 4 disclosed large-shareholding filings in Ohmura Shigyo Co.,Ltd. (3953), most recently on 2025-03-24. 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 Ohmura Shigyo Co.,Ltd. have?: Ohmura Shigyo Co.,Ltd. has 4 buy-side and 12 sell-side disclosures on record, covering ¥575M ($3.7M) in total reported value, spanning 2022-03-15 to 2025-03-24.
Where does StockDrifts get Ohmura Shigyo Co.,Ltd. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Ohmura Shigyo Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.