Who has been buying Robot Payment Inc. stock?

6 distinct investors have filed 11 disclosed large-shareholding filings in Robot Payment Inc. (4374), most recently on 2025-06-27. 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 Robot Payment Inc. have?

Robot Payment Inc. has 11 buy-side and 12 sell-side disclosures on record, covering ¥4.6B ($29.9M) in total reported value, spanning 2021-09-30 to 2025-06-27.

Where does StockDrifts get Robot Payment 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.

Robot Payment Inc. 4374

Company

株式会社ROBOT PAYMENTRobot Payment Inc.

Investors

Buys

Total Value

¥4.6B ($29.9M)

Avg Return

-17.59%

Last Filing

2025-06-27

Robot Payment Inc. (4374) has 11 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥4.6B ($29.9M) in reported transaction value. The earliest filing StockDrifts holds for Robot Payment Inc. is dated 2021-09-30; the most recent is 2025-06-27. 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 -17.59%, 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
2026-05-21	SELL	unknown	清久里菜	activist	10.0K	¥2,561	+11.3%	¥991K ($6K)
2026-05-21	BUY	Market Buy	KKキャピタル株式会社	activist	1.8M	¥2,561	-11.3%	¥365M ($2.4M)
2026-05-21	SELL	unknown	清久健也	activist	224.9K	¥2,561	+11.3%	¥476M ($3.1M)
2026-05-21	BUY	Market Buy	KKキャピタル株式会社	activist	1.8M	¥2,561	-11.3%	¥365M ($2.4M)
2026-05-21	SELL	unknown	清久健也	activist	224.9K	¥2,561	+11.3%	¥476M ($3.1M)
2026-05-21	BUY	unknown	清久里菜	activist	10.0K	¥2,561	-11.3%	¥26M ($165K)
2025-06-27	BUY	unknown	清久健也 Kiyoku Kenya	activist	399.9K	¥2,491	-9.2%	¥996M ($6.4M)
2025-06-27	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.6M	¥2,491	-9.2%	¥4.0B ($25.6M)
2025-06-27	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,491	-9.2%	¥25M ($161K)
2025-06-05	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,298	-1.6%	¥23M ($148K)
2025-06-05	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.6M	¥2,298	-1.6%	¥3.7B ($23.7M)
2025-06-05	BUY	unknown	清久健也 Kiyoku Kenya	activist	399.9K	¥2,298	-1.6%	¥919M ($5.9M)
2025-06-03	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,248	+0.6%	¥22M ($145K)
2025-06-03	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.6M	¥2,248	+0.6%	¥3.6B ($23.1M)
2025-06-03	BUY	unknown	清久健也 Kiyoku Kenya	activist	399.9K	¥2,248	+0.6%	¥899M ($5.8M)
2025-05-26	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.6M	¥2,191	+3.2%	¥861M ($5.6M)
2025-05-26	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,191	+3.2%	¥22M ($141K)
2025-05-26	SELL	unknown	清久健也 Kiyoku Kenya	activist	399.9K	¥2,191	-3.2%	¥874M ($5.6M)
2025-04-22	SELL	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,100	-7.7%	¥80M ($515K)
2025-04-22	SELL	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.2M	¥2,100	-7.7%	¥24M ($154K)
2025-04-22	SELL	unknown	清久健也 Kiyoku Kenya	activist	799.9K	¥2,100	-7.7%	¥17M ($108K)
2024-10-04	BUY	Market Buy	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,274	-0.6%	¥23M ($147K)
2024-10-04	BUY	Market Buy	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.2M	¥2,274	-0.6%	¥2.7B ($17.5M)
2024-10-04	BUY	Market Buy	清久健也 Kiyoku Kenya	activist	799.9K	¥2,274	-0.6%	¥9M ($61K)
2024-08-13	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,563	-11.8%	¥26M ($165K)
2024-08-13	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.2M	¥2,563	-11.8%	¥3.1B ($19.8M)
2024-08-13	BUY	unknown	清久健也 Kiyoku Kenya	activist	794.9K	¥2,563	-11.8%	¥2.0B ($13.1M)
2024-06-07	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,160	+4.7%	¥22M ($139K)
2024-06-07	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.2M	¥2,160	+4.7%	¥2.6B ($16.7M)
2024-06-07	BUY	unknown	清久健也 Kiyoku Kenya	activist	794.9K	¥2,160	+4.7%	¥1.7B ($11.1M)
2024-06-04	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,226	+1.6%	¥22M ($144K)
2024-06-04	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	1.2M	¥2,226	+1.6%	¥1.8B ($11.3M)
2024-06-04	SELL	unknown	清久健也 Kiyoku Kenya	activist	794.9K	¥2,226	-1.6%	¥1.8B ($11.5M)
2024-05-30	BUY	Market Buy	清久里菜 Rina Kiyohisa	activist	10.0K	¥2,073	+9.1%	¥21M ($134K)
2024-05-30	BUY	Market Buy	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	396.0K	¥2,073	+9.1%	¥821M ($5.3M)
2024-05-30	BUY	Market Buy	清久健也 Kiyoku Kenya	activist	1.6M	¥2,073	+9.1%	¥5M ($35K)
2023-04-13	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥1,706	+32.5%	¥17M ($110K)
2023-04-13	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	396.0K	¥1,706	+32.5%	¥676M ($4.4M)
2023-04-13	BUY	unknown	清久健也 Kiyoku Kenya	activist	1.6M	¥1,706	+32.5%	¥2.7B ($17.5M)
2023-04-06	BUY	unknown	清久健也 Kiyoku Kenya	activist	1.6M	¥1,719	+31.5%	¥2.7B ($17.6M)
2023-04-06	BUY	unknown	清久健也 Kiyoku Kenya	activist	1.6M	¥1,719	+31.5%	¥2.7B ($17.6M)
2023-04-06	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥1,719	+31.5%	¥17M ($111K)
2023-04-06	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	396.0K	¥1,719	+31.5%	¥681M ($4.4M)
2023-04-06	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥1,719	+31.5%	¥17M ($111K)
2023-04-06	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	396.0K	¥1,719	+31.5%	¥681M ($4.4M)
2022-04-28	BUY	unknown	清久里菜 Rina Kiyohisa	activist	10.0K	¥1,611	+40.4%	¥16M ($104K)
2022-04-28	BUY	unknown	KKキャピタル株式会社 KK Capital Co., Ltd.	activist	396.0K	¥1,611	+40.4%	¥638M ($4.1M)
2022-04-28	BUY	unknown	清久健也 Kiyoku Kenya	activist	1.6M	¥1,611	+40.4%	¥2.6B ($16.5M)
2021-11-29	SELL	Market Buy	株式会社100キャピタル 100 Capital Co., Ltd.	passive	8	¥3,515	+35.7%	¥107M ($691K)
2021-11-29	BUY	Market Buy	株式会社ベクトル VECTOR INC.	strategic	155.5K	¥3,515	-35.7%	¥540M ($3.5M)

Showing the 50 most recent of 63 filings.

Frequently asked questions

Who has been buying Robot Payment Inc. stock?: 6 distinct investors have filed 11 disclosed large-shareholding filings in Robot Payment Inc. (4374), most recently on 2025-06-27. 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 Robot Payment Inc. have?: Robot Payment Inc. has 11 buy-side and 12 sell-side disclosures on record, covering ¥4.6B ($29.9M) in total reported value, spanning 2021-09-30 to 2025-06-27.
Where does StockDrifts get Robot Payment 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 Robot Payment Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.