Who has been buying Neural Pocket Inc. stock?

4 distinct investors have filed 2 disclosed large-shareholding filings in Neural Pocket Inc. (4056), most recently on 2025-09-04. 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 Neural Pocket Inc. have?

Neural Pocket Inc. has 2 buy-side and 13 sell-side disclosures on record, covering ¥2.7B ($17.5M) in total reported value, spanning 2021-06-03 to 2025-09-04.

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.

Neural Pocket Inc. 4056

Company

ニューラルポケット株式会社Neural Pocket Inc.

Investors

Buys

Total Value

¥2.7B ($17.5M)

Avg Return

-80.99%

Last Filing

2025-09-04

Neural Pocket Inc. (4056) has 2 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥2.7B ($17.5M) in reported transaction value. The earliest filing StockDrifts holds for Neural Pocket Inc. is dated 2021-06-03; the most recent is 2025-09-04. Across these filings the average return since disclosure is -80.99%, 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
2026-09-09	BUY	unknown	オフィス重松株式会社	activist	3.9M	¥236	-	-
2026-09-09	SELL	unknown	重松路威	activist	3.5M	¥236	+12.7%	¥139M ($898K)
2026-09-09	BUY	unknown	オフィス重松株式会社	activist	3.9M	¥236	-	-
2026-09-09	SELL	unknown	重松路威	activist	4.1M	¥236	+12.7%	¥53M ($343K)
2026-09-09	BUY	unknown	オフィス重松株式会社	activist	3.9M	¥236	-	-
2026-09-09	SELL	unknown	重松路威	activist	4.4M	¥236	+12.7%	¥49M ($319K)
2026-08-19	SELL	unknown	重松路威	activist	4.6M	¥216	+4.6%	¥38M ($244K)
2026-08-19	BUY	unknown	オフィス重松株式会社	activist	3.9M	¥216	-	-
2026-06-03	SELL	unknown	オフィス重松株式会社	activist	3.9M	¥223	+7.6%	¥104M ($668K)
2026-06-03	SELL	unknown	重松路威	activist	4.7M	¥223	+7.6%	¥143M ($925K)
2026-06-03	SELL	unknown	重松路威	activist	4.7M	¥223	+7.6%	¥143M ($925K)
2026-06-03	SELL	unknown	オフィス重松株式会社	activist	3.9M	¥223	+7.6%	¥104M ($668K)
2025-09-04	SELL	unknown	重松路威 Roi Shigematsu	activist	4.7M	¥790	+73.9%	¥58M ($376K)
2025-09-04	SELL	unknown	オフィス重松株式会社 Office Shigematsu Co., Ltd.	activist	3.9M	¥790	+73.9%	¥47M ($306K)
2023-05-25	SELL	unknown	重松路威 Roi Shigematsu	activist	4.7M	¥1,157	+82.2%	¥576M ($3.7M)
2023-05-25	SELL	unknown	オフィス重松株式会社 Office Shigematsu Co., Ltd.	activist	3.9M	¥1,157	+82.2%	¥224M ($1.4M)
2022-10-26	SELL	unknown	重松路威 Roi Shigematsu	activist	5.0M	¥1,030	+80.0%	¥149M ($959K)
2022-10-26	SELL	unknown	重松路威 Roi Shigematsu	activist	5.0M	¥1,030	+80.0%	¥150M ($968K)
2022-10-26	BUY	unknown	オフィス重松株式会社 Office Shigematsu Co., Ltd.	activist	3.9M	¥1,030	-	-
2022-10-26	SELL	unknown	オフィス重松株式会社 Office Shigematsu Co., Ltd.	activist	3.9M	¥1,030	+80.0%	¥1M ($10K)
2022-08-29	SELL	unknown	重松路威 Roi Shigematsu	activist	5.1M	¥1,115	+81.5%	¥125M ($810K)
2022-08-29	SELL	unknown	オフィス重松株式会社 Office Shigematsu Co., Ltd.	activist	3.9M	¥1,115	+81.5%	¥92M ($592K)
2022-03-23	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	5.9K	¥1,304	+84.2%	¥11M ($72K)
2022-03-23	SELL	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	48.1K	¥1,304	+84.2%	¥6M ($36K)
2021-12-13	BUY	subscription	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	1.6M	¥1,710	-88.0%	¥2.7B ($17.5M)
2021-12-13	BUY	subscription	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	53.0K	¥1,710	-88.0%	¥91M ($585K)
2021-06-03	SELL	unknown	重松路威 Roi Shigematsu	activist	5.1M	¥5,140	+96.0%	¥2.4B ($15.4M)
2021-06-03	SELL	unknown	オフィス重松株式会社 Office Shigematsu Co., Ltd.	activist	3.9M	¥5,140	+96.0%	¥232M ($1.5M)

Frequently asked questions

Who has been buying Neural Pocket Inc. stock?: 4 distinct investors have filed 2 disclosed large-shareholding filings in Neural Pocket Inc. (4056), most recently on 2025-09-04. 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 Neural Pocket Inc. have?: Neural Pocket Inc. has 2 buy-side and 13 sell-side disclosures on record, covering ¥2.7B ($17.5M) in total reported value, spanning 2021-06-03 to 2025-09-04.
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.