Who has been buying I-Freek Mobile Inc. stock?

6 distinct investors have filed 15 disclosed large-shareholding filings in I-Freek Mobile Inc. (3845), most recently on 2026-03-12. 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-Freek Mobile Inc. have?

I-Freek Mobile Inc. has 15 buy-side and 15 sell-side disclosures on record, covering ¥8.2B ($53.0M) in total reported value, spanning 2021-04-19 to 2026-03-12.

Where does StockDrifts get I-Freek Mobile 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-Freek Mobile Inc. 3845

Company

株式会社アイフリークモバイルI-Freek Mobile Inc.

Investors

Buys

Total Value

¥8.2B ($53.0M)

Avg Return

+85.02%

Last Filing

2026-03-12

I-Freek Mobile Inc. (3845) has 15 disclosed large-shareholding filings and 15 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥8.2B ($53.0M) in reported transaction value. The earliest filing StockDrifts holds for I-Freek Mobile Inc. is dated 2021-04-19; the most recent is 2026-03-12. 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 +85.02%, 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
2026-03-12	SELL	unknown	スモウジャパンベンチャーズセグリゲーテッドポートフォリオオブファンドビューズエスピーシーリミテッド(Sumo Japan Ventures Segregated Portfolio of Fundviews SPC Ltd.) Sumo Japan Ventures Segregated Portfolio of Fundviews SPC Ltd.	unknown	0	¥240	-23.8%	¥840M ($5.4M)
2026-03-11	BUY	Market Buy	辛澤	passive	4.4M	¥247	+20.2%	¥1.3B ($8.4M)
2026-03-11	BUY	Market Buy	辛澤	passive	4.4M	¥247	+20.2%	¥1.3B ($8.4M)
2026-03-11	BUY	Market Buy	株式会社ランニング	passive	2.7M	¥247	-20.2%	¥802M ($5.2M)
2026-03-11	BUY	Market Buy	株式会社ランニング	passive	2.7M	¥247	-20.2%	¥802M ($5.2M)
2026-02-06	SELL	Market Buy	株式会社ランニング running.co.,ltd	passive	3.6M	¥242	-22.7%	¥847M ($5.5M)
2025-12-26	SELL	Market Buy	株式会社ランニング running.co.,ltd	passive	7.1M	¥241	-23.2%	¥72M ($463K)
2025-12-26	SELL	unknown	辛澤	passive	881.2K	¥241	-23.2%	¥262M ($1.7M)
2025-12-26	BUY	unknown	株式会社ランニング	unknown	2.7M	¥241	-23.2%	¥802M ($5.2M)
2025-12-12	SELL	unknown	辛澤	passive	881.2K	¥232	-28.0%	¥262M ($1.7M)
2025-12-12	BUY	unknown	株式会社ランニング	unknown	2.7M	¥232	-28.0%	¥802M ($5.2M)
2025-12-12	SELL	unknown	辛澤	passive	881.2K	¥232	-28.0%	¥262M ($1.7M)
2025-12-12	BUY	unknown	株式会社ランニング	unknown	2.7M	¥232	-28.0%	¥802M ($5.2M)
2025-12-01	BUY	Market Buy	スモウジャパンベンチャーズセグリゲーテッドポートフォリオオブファンドビューズエスピーシーリミテッド(Sumo Japan Ventures Segregated Portfolio of Fundviews SPC Ltd.) Sumo Japan Ventures Segregated Portfolio of Fundviews SPC Ltd.	activist	3.5M	¥256	+16.0%	¥896M ($5.8M)
2025-11-27	BUY	unknown	辛澤	passive	4.4M	¥245	+21.2%	¥1.3B ($8.4M)
2025-11-27	BUY	unknown	株式会社ランニング	unknown	2.7M	¥245	-21.2%	¥802M ($5.2M)
2025-11-27	BUY	unknown	辛澤	passive	4.4M	¥245	+21.2%	¥1.3B ($8.4M)
2025-11-27	BUY	unknown	株式会社ランニング	unknown	2.7M	¥245	-21.2%	¥802M ($5.2M)
2025-11-27	BUY	Market Buy	辛澤	passive	4.4M	¥245	+21.2%	¥1.3B ($8.4M)
2025-11-27	BUY	Market Buy	株式会社ランニング	unknown	2.7M	¥245	-21.2%	¥802M ($5.2M)
2025-10-15	BUY	Market Buy	辛澤 XIN ZE	passive	4.4M	¥222	+33.8%	¥196M ($1.3M)
2025-10-15	BUY	unknown	株式会社ランニング running.co.,ltd	unknown	7.1M	¥222	+33.8%	¥194M ($1.3M)
2025-10-15	BUY	Market Buy	株式会社ランニング running.co.,ltd	passive	2.7M	¥222	+33.8%	¥599M ($3.9M)
2025-07-03	BUY	unknown	株式会社ランニング running.co.,ltd	unknown	6.2M	¥107	+177.6%	¥662M ($4.3M)
2025-06-06	SELL	unknown	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	unknown	0	¥98	-203.1%	¥103M ($665K)
2025-06-06	SELL	unknown	永田浩一 NAGATA KOUICHI	other	3.3M	¥98	-203.1%	¥74M ($478K)
2025-03-19	BUY	Market Buy	辛澤 XIN ZE	passive	3.5M	¥93	+219.3%	¥326M ($2.1M)
2024-01-26	BUY	Market Buy	永田浩一 NAGATA KOUICHI	other	4.3M	¥105	+182.9%	¥26M ($169K)
2024-01-26	BUY	unknown	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	other	1.1M	¥105	+182.9%	¥114M ($733K)
2024-01-26	BUY	Market Buy	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	other	1.1M	¥105	+182.9%	¥114M ($733K)
2024-01-26	BUY	unknown	永田浩一 NAGATA KOUICHI	other	4.3M	¥105	+182.9%	¥26M ($169K)
2022-11-21	BUY	Market Buy	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	other	1.1M	¥140	+112.1%	¥22M ($143K)
2022-11-21	BUY	Market Buy	永田浩一 NAGATA KOUICHI	other	4.0M	¥140	+112.1%	¥7M ($45K)
2022-02-03	BUY	Market Buy	永田浩一 NAGATA KOUICHI	other	4.0M	¥148	+100.7%	¥39M ($254K)
2022-02-03	SELL	Market Buy	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	other	919.0K	¥148	-100.7%	¥3M ($17K)
2021-12-16	SELL	Market Buy	モダンパス合同会社 Modern Path LLC.	passive	695.0K	¥153	-94.1%	¥30M ($196K)
2021-12-16	SELL	Market Buy	モダンパス合同会社 Modern Path LLC.	passive	895.0K	¥153	-94.1%	¥125M ($806K)
2021-04-19	SELL	unknown	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	other	919.0K	¥167	-77.8%	¥36M ($232K)
2021-04-19	SELL	unknown	株式会社ヴァスダックキャピタル Vasudaq Capital Co., Ltd.	other	919.0K	¥167	-77.8%	¥36M ($232K)
2021-04-19	SELL	unknown	永田浩一 NAGATA KOUICHI	other	3.6M	¥167	-77.8%	¥18M ($119K)
2021-04-19	SELL	unknown	永田浩一 NAGATA KOUICHI	other	3.6M	¥167	-77.8%	¥18M ($119K)

Frequently asked questions

Who has been buying I-Freek Mobile Inc. stock?: 6 distinct investors have filed 15 disclosed large-shareholding filings in I-Freek Mobile Inc. (3845), most recently on 2026-03-12. 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-Freek Mobile Inc. have?: I-Freek Mobile Inc. has 15 buy-side and 15 sell-side disclosures on record, covering ¥8.2B ($53.0M) in total reported value, spanning 2021-04-19 to 2026-03-12.
Where does StockDrifts get I-Freek Mobile 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-Freek Mobile Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.