Who has been buying ARTERIA Networks Corporation stock?

7 distinct investors have filed 5 disclosed large-shareholding filings in ARTERIA Networks Corporation (4423), most recently on 2023-08-03. 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 ARTERIA Networks Corporation have?

ARTERIA Networks Corporation has 5 buy-side and 7 sell-side disclosures on record, covering ¥20.8B ($133.9M) in total reported value, spanning 2021-05-26 to 2023-08-03.

Where does StockDrifts get ARTERIA Networks Corporation 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.

ARTERIA Networks Corporation 4423

Company

アルテリア・ネットワークス株式会社ARTERIA Networks Corporation

Investors

Buys

Total Value

¥20.8B ($133.9M)

Avg Return

+0.49%

Last Filing

2023-08-03

ARTERIA Networks Corporation (4423) has 5 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥20.8B ($133.9M) in reported transaction value. The earliest filing StockDrifts holds for ARTERIA Networks Corporation is dated 2021-05-26; the most recent is 2023-08-03. 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 +0.49%, 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
2023-08-03	BUY	Market Buy	セコム株式会社 SECOM CO., LTD.	activist	12.2M	¥1,976	+0.1%	¥24.2B ($155.8M)
2023-08-03	BUY	Market Buy	丸紅株式会社 Marubeni Corporation	activist	33.3M	¥1,976	+0.1%	¥16.4B ($105.7M)
2023-07-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	611.0K	¥1,976	+0.1%	¥1.2B ($7.8M)
2023-07-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	253.2K	¥1,976	-0.1%	¥464M ($3.0M)
2023-07-06	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.3M	¥1,976	-0.1%	¥1.4B ($9.2M)
2023-06-20	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	610.3K	¥1,970	+0.5%	¥1.2B ($7.8M)
2023-06-20	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	489.7K	¥1,970	-0.5%	¥2.3B ($14.6M)
2023-06-20	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.1M	¥1,970	+0.5%	¥3.2B ($20.5M)
2023-06-05	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	608.9K	¥1,967	+0.6%	¥1.2B ($7.7M)
2023-06-05	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.6M	¥1,967	+0.6%	¥3.2B ($20.8M)
2023-06-05	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	462.4K	¥1,967	+0.6%	¥910M ($5.9M)
2023-05-19	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	864.2K	¥1,961	-0.9%	¥912M ($5.9M)
2023-05-19	SELL	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	1.1M	¥1,961	-0.9%	¥324M ($2.1M)
2023-05-17	BUY	unknown	丸紅株式会社 Marubeni Corporation	activist	25.0M	¥1,961	+0.9%	¥49.0B ($316.3M)
2023-04-20	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥1,279	-54.7%	¥256M ($1.7M)
2023-04-20	SELL	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	1.3M	¥1,279	-54.7%	¥473M ($3.1M)
2021-05-26	BUY	unknown	丸紅株式会社 Marubeni Corporation	strategic	25.0M	¥1,632	+21.3%	¥40.8B ($263.2M)

Frequently asked questions

Who has been buying ARTERIA Networks Corporation stock?: 7 distinct investors have filed 5 disclosed large-shareholding filings in ARTERIA Networks Corporation (4423), most recently on 2023-08-03. 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 ARTERIA Networks Corporation have?: ARTERIA Networks Corporation has 5 buy-side and 7 sell-side disclosures on record, covering ¥20.8B ($133.9M) in total reported value, spanning 2021-05-26 to 2023-08-03.
Where does StockDrifts get ARTERIA Networks Corporation 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 ARTERIA Networks Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.