Who has been buying Global Security Experts Inc. stock?

6 distinct investors have filed 8 disclosed large-shareholding filings in Global Security Experts Inc. (4417), most recently on 2026-05-11. 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 Global Security Experts Inc. have?

Global Security Experts Inc. has 8 buy-side and 5 sell-side disclosures on record, covering ¥6.4B ($41.6M) in total reported value, spanning 2021-12-21 to 2026-05-11.

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.

Global Security Experts Inc. 4417

Company

グローバルセキュリティエキスパート株式会社Global Security Experts Inc.

Investors

Buys

Total Value

¥6.4B ($41.6M)

Avg Return

+46.97%

Last Filing

2026-05-11

Global Security Experts Inc. (4417) has 8 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥6.4B ($41.6M) in reported transaction value. The earliest filing StockDrifts holds for Global Security Experts Inc. is dated 2021-12-21; the most recent is 2026-05-11. Across these filings the average return since disclosure is +46.97%, 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
2026-07-28	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	1.1M	¥4,405	+22.6%	¥688M ($4.4M)
2026-07-28	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥4,405	-	-
2026-07-28	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	1.1M	¥4,405	+22.6%	¥708M ($4.6M)
2026-07-28	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥4,405	-	-
2026-06-03	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	943.6K	¥3,175	+70.1%	¥496M ($3.2M)
2026-06-03	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥3,175	-	-
2026-05-11	BUY	unknown	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	786.3K	¥2,909	+85.6%	¥2.3B ($14.8M)
2026-05-11	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥2,909	+85.6%	-
2026-02-06	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	610.5K	¥2,709	-99.3%	¥618M ($4.0M)
2025-12-22	BUY	unknown	みずほ信託銀行株式会社	other	129.6K	¥2,871	-	-
2025-12-22	SELL	unknown	アセットマネジメントOne株式会社	other	709.9K	¥2,871	-88.1%	¥448M ($2.9M)
2025-05-22	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	432.4K	¥3,195	+69.0%	¥269M ($1.7M)
2025-05-22	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	65.3K	¥3,195	-	-
2025-03-24	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	65.3K	¥2,595	+108.1%	¥170M ($1.1M)
2025-03-24	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	348.9K	¥2,595	+108.1%	¥905M ($5.8M)
2023-05-16	SELL	unknown	株式会社ビジネスブレイン太田昭和 BUSINESS BRAIN SHOWA OTA INC.	strategic	3.0M	¥2,485	-117.3%	¥1.9B ($12.4M)
2022-10-11	SELL	unknown	株式会社ビジネスブレイン太田昭和 BUSINESS BRAIN SHOWA OTA INC.	strategic	1.7M	¥1,977.5	-173.1%	¥977M ($6.3M)
2022-10-11	SELL	unknown	株式会社ビジネスブレイン太田昭和 BUSINESS BRAIN SHOWA OTA INC.	strategic	2.2M	¥1,977.5	-173.1%	¥108M ($696K)
2022-10-11	BUY	Market Buy	兼松エレクトロニクス株式会社 KANEMATSU ELECTRONICS LTD.	strategic	769.0K	¥1,977.5	+173.1%	¥927M ($6.0M)
2021-12-23	BUY	unknown	株式会社ビジネスブレイン太田昭和 BUSINESS BRAIN SHOWA OTA INC.	strategic	2.3M	¥912.5	+491.8%	¥2.1B ($13.2M)
2021-12-21	BUY	unknown	兼松エレクトロニクス株式会社 KANEMATSU ELECTRONICS LTD.	strategic	300.0K	¥793.75	-	¥238M ($1.5M)

Frequently asked questions

Who has been buying Global Security Experts Inc. stock?: 6 distinct investors have filed 8 disclosed large-shareholding filings in Global Security Experts Inc. (4417), most recently on 2026-05-11. 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 Global Security Experts Inc. have?: Global Security Experts Inc. has 8 buy-side and 5 sell-side disclosures on record, covering ¥6.4B ($41.6M) in total reported value, spanning 2021-12-21 to 2026-05-11.
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.