Who has been buying Arr Planner Co., Ltd. stock?

3 distinct investors have filed 5 disclosed large-shareholding filings in Arr Planner Co., Ltd. (2983), most recently on 2026-03-02. 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 Arr Planner Co., Ltd. have?

Arr Planner Co., Ltd. has 5 buy-side and 8 sell-side disclosures on record, covering ¥34M ($220K) in total reported value, spanning 2023-09-15 to 2026-03-02.

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.

Arr Planner Co., Ltd. 2983

Company

株式会社アールプランナーArr Planner Co., Ltd.

Investors

Buys

Total Value

¥34M ($220K)

Avg Return

+256.48%

Last Filing

2026-03-02

Arr Planner Co., Ltd. (2983) has 5 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥34M ($220K) in reported transaction value. The earliest filing StockDrifts holds for Arr Planner Co., Ltd. is dated 2023-09-15; the most recent is 2026-03-02. Across these filings the average return since disclosure is +256.48%, 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
2026-06-08	SELL	unknown	古賀祐介	activist	1.5M	¥1,441	-14.1%	¥134M ($863K)
2026-06-08	SELL	unknown	Ko.International株式会社	activist	2.0M	¥1,441	-14.1%	¥182M ($1.2M)
2026-03-02	SELL	unknown	梢政樹	activist	1.9M	¥2,112	+22.2%	¥249M ($1.6M)
2026-03-02	SELL	unknown	TreeTop株式会社	activist	1.6M	¥2,112	+22.2%	¥212M ($1.4M)
2026-01-06	SELL	unknown	梢政樹	activist	940.0K	¥1,440	-14.2%	¥85M ($547K)
2026-01-06	SELL	unknown	TreeTop株式会社	activist	800.0K	¥1,440	-14.2%	¥72M ($467K)
2025-08-14	SELL	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	259.9K	¥928.5	-77.1%	¥51M ($329K)
2024-12-17	SELL	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	314.8K	¥689	-138.6%	¥49M ($314K)
2024-12-09	SELL	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	385.2K	¥625	-163.0%	¥34M ($219K)
2024-11-18	BUY	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	439.7K	¥621.5	+164.5%	¥34M ($220K)
2024-10-22	SELL	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	384.5K	¥590	-178.6%	¥32M ($205K)
2024-09-18	BUY	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	438.4K	¥629	+161.4%	¥25M ($162K)
2024-02-26	BUY	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	398.6K	¥335.5	+390.0%	¥20M ($131K)
2023-10-30	BUY	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド(Gordian Capital Singapore Private Limited) Gordian Capital Singapore Private Limited	passive	337.6K	¥369.5	+344.9%	¥21M ($133K)
2023-09-15	BUY	Market Buy	ゴーディアン・キャピタル・シンガポール・プライベート・リミテッド Gordian Capital Singapore Private Limited	passive	281.8K	¥399.5	+311.5%	¥113M ($726K)

Frequently asked questions

Who has been buying Arr Planner Co., Ltd. stock?: 3 distinct investors have filed 5 disclosed large-shareholding filings in Arr Planner Co., Ltd. (2983), most recently on 2026-03-02. 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 Arr Planner Co., Ltd. have?: Arr Planner Co., Ltd. has 5 buy-side and 8 sell-side disclosures on record, covering ¥34M ($220K) in total reported value, spanning 2023-09-15 to 2026-03-02.
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.