Who has been buying I-O Data Device, Inc. stock?

8 distinct investors have filed 7 disclosed large-shareholding filings in I-O Data Device, Inc. (6916), most recently on 2022-04-07. 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 I-O Data Device, Inc. have?

I-O Data Device, Inc. has 7 buy-side and 5 sell-side disclosures on record, spanning 2021-12-22 to 2022-04-07.

Where does StockDrifts get I-O Data Device, Inc. 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.

I-O Data Device, Inc. 6916

Company

株式会社アイ・オー・データ機器I-O Data Device, Inc.

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2022-04-07

I-O Data Device, Inc. (6916) has 7 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 8 distinct investors. The earliest filing StockDrifts holds for I-O Data Device, Inc. is dated 2021-12-22; the most recent is 2022-04-07. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2022-04-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	200.5K	-	-	-
2022-04-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	12.1K	-	-	-
2022-04-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	8.1K	-	-	-
2022-04-06	BUY	unknown	株式会社AHC AHC, INC.	activist	9.7M	-	-	-
2022-04-04	BUY	unknown	公益財団法人I-O DATA財団 I-O DATA Foundation	other	2.0M	-	-	-
2022-03-29	BUY	unknown	株式会社AHC AHC, INC.	activist	9.7M	-	-	-
2022-03-29	SELL	unknown	有限会社トレント Torrent Co., Ltd.	other	0	-	-	-
2022-03-29	SELL	unknown	細野昭雄 AKIO HOSONO	other	0	-	-	-
2022-03-29	SELL	unknown	細野幸江 Yukie Hosono	other	0	-	-	-
2022-03-18	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	189.4K	-	-	-
2022-03-18	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	710.0K	-	-	-
2022-03-18	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	54.0K	-	-	-
2022-03-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	128.9K	-	-	-
2022-03-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	702.1K	-	-	-
2022-03-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	71.0K	-	-	-
2022-03-04	BUY	unknown	有限会社トレント Torrent Co., Ltd.	activist	269.7K	-	-	-
2022-03-04	BUY	unknown	細野幸江 Yukie Hosono	activist	763.8K	-	-	-
2022-03-04	BUY	unknown	細野昭雄 AKIO HOSONO	strategic	2.5M	-	-	-
2022-02-16	BUY	unknown	公益財団法人I-O DATA財団 I-O DATA Foundation	other	2.0M	-	-	-
2022-02-10	BUY	unknown	有限会社トレント Torrent Co., Ltd.	activist	269.7K	-	-	-
2022-02-10	BUY	unknown	細野幸江 Yukie Hosono	activist	763.8K	-	-	-
2022-02-10	BUY	unknown	有限会社トレント Torrent Co., Ltd.	activist	269.7K	-	-	-
2022-02-10	BUY	unknown	細野幸江 Yukie Hosono	activist	763.8K	-	-	-
2022-02-10	BUY	unknown	細野昭雄 AKIO HOSONO	strategic	2.5M	-	-	-
2022-02-10	BUY	unknown	細野昭雄 AKIO HOSONO	activist	4.5M	-	-	-
2021-12-22	BUY	unknown	細野昭雄 AKIO HOSONO	strategic	2.5M	-	-	-
2021-12-22	BUY	unknown	細野幸江 Yukie Hosono	activist	763.8K	-	-	-
2021-12-22	BUY	unknown	有限会社トレント Torrent Co., Ltd.	activist	269.7K	-	-	-
2021-12-22	BUY	unknown	細野幸江 Yukie Hosono	activist	763.8K	-	-	-
2021-12-22	BUY	unknown	細野昭雄 AKIO HOSONO	strategic	2.5M	-	-	-
2021-12-22	BUY	unknown	有限会社トレント Torrent Co., Ltd.	activist	269.7K	-	-	-

Frequently asked questions

Who has been buying I-O Data Device, Inc. stock?: 8 distinct investors have filed 7 disclosed large-shareholding filings in I-O Data Device, Inc. (6916), most recently on 2022-04-07. 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 I-O Data Device, Inc. have?: I-O Data Device, Inc. has 7 buy-side and 5 sell-side disclosures on record, spanning 2021-12-22 to 2022-04-07.
Where does StockDrifts get I-O Data Device, Inc. 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 I-O Data Device, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.