Who has been buying Asgent, Inc. stock?

2 distinct investors have filed 9 disclosed large-shareholding filings in Asgent, Inc. (4288), most recently on 2026-03-10. 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 Asgent, Inc. have?

Asgent, Inc. has 9 buy-side and 2 sell-side disclosures on record, covering ¥3.7B ($23.6M) in total reported value, spanning 2023-03-10 to 2026-03-10.

Where does StockDrifts get Asgent, 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.

Asgent, Inc. 4288

Company

株式会社アズジェントAsgent, Inc.

Investors

Buys

Total Value

¥3.7B ($23.6M)

Avg Return

-2.37%

Last Filing

2026-03-10

Asgent, Inc. (4288) has 9 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥3.7B ($23.6M) in reported transaction value. The earliest filing StockDrifts holds for Asgent, Inc. is dated 2023-03-10; the most recent is 2026-03-10. 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 -2.37%, 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
2026-03-10	BUY	negotiated	株式会社アズウェルマネジメント	strategic	1.8M	¥589	+1.7%	¥1.0B ($6.6M)
2026-03-10	BUY	negotiated	杉本隆洋	activist	112.3K	¥589	+1.7%	¥65M ($419K)
2025-05-16	BUY	unknown	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	531.3K	¥595	-2.7%	¥312M ($2.0M)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	negotiated	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	237.9K	¥595	-2.7%	¥138M ($892K)
2025-05-16	BUY	negotiated	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	986.2K	¥595	-2.7%	¥579M ($3.7M)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	unknown	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	237.9K	¥595	-2.7%	¥138M ($892K)
2025-05-16	BUY	unknown	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	696.6K	¥595	-2.7%	¥409M ($2.6M)
2025-05-16	BUY	unknown	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	986.2K	¥595	-2.7%	¥579M ($3.7M)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	negotiated	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	531.3K	¥595	-2.7%	¥312M ($2.0M)
2025-05-16	BUY	negotiated	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	696.6K	¥595	-2.7%	¥409M ($2.6M)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-16	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥595	-2.7%	¥67M ($431K)
2025-05-13	SELL	unknown	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	1.8M	¥578	-0.2%	¥6M ($38K)
2025-05-13	SELL	unknown	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	1.8M	¥578	-0.2%	¥6M ($38K)
2025-05-13	BUY	negotiated	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	1.4M	¥578	+0.2%	¥776M ($5.0M)
2025-05-13	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥578	+0.2%	¥65M ($419K)
2025-05-13	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥578	+0.2%	¥65M ($419K)
2025-05-13	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥578	+0.2%	¥65M ($419K)
2023-05-29	BUY	negotiated	株式会社アズジェントホールディングス Asgent Holdings Co., Ltd.	strategic	1.8M	¥601	-3.7%	¥1.1B ($6.9M)
2023-05-29	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥601	-3.7%	¥67M ($435K)
2023-03-10	BUY	negotiated	株式会社アズウェルマネジメント Aswell Management Co., Ltd.	strategic	1.8M	¥628	-7.8%	¥1.1B ($7.2M)
2023-03-10	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥628	-7.8%	¥71M ($455K)
2023-03-10	BUY	negotiated	株式会社アズウェルマネジメント Aswell Management Co., Ltd.	strategic	1.8M	¥628	-7.8%	¥1.1B ($7.2M)
2023-03-10	BUY	negotiated	杉本隆洋 Takahiro Sugimoto	activist	112.3K	¥628	-7.8%	¥71M ($455K)

Frequently asked questions

Who has been buying Asgent, Inc. stock?: 2 distinct investors have filed 9 disclosed large-shareholding filings in Asgent, Inc. (4288), most recently on 2026-03-10. 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 Asgent, Inc. have?: Asgent, Inc. has 9 buy-side and 2 sell-side disclosures on record, covering ¥3.7B ($23.6M) in total reported value, spanning 2023-03-10 to 2026-03-10.
Where does StockDrifts get Asgent, 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 Asgent, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.