Who has been buying Karadanote Inc. stock?

3 distinct investors have filed 7 disclosed large-shareholding filings in Karadanote Inc. (4014), most recently on 2026-03-18. 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 Karadanote Inc. have?

Karadanote Inc. has 7 buy-side and 13 sell-side disclosures on record, covering ¥3.1B ($19.9M) in total reported value, spanning 2021-08-19 to 2026-03-18.

Where does StockDrifts get Karadanote 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.

Karadanote Inc. 4014

Company

株式会社カラダノートKaradanote Inc.

Investors

Buys

Total Value

¥3.1B ($19.9M)

Avg Return

-31.31%

Last Filing

2026-03-18

Karadanote Inc. (4014) has 7 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥3.1B ($19.9M) in reported transaction value. The earliest filing StockDrifts holds for Karadanote Inc. is dated 2021-08-19; the most recent is 2026-03-18. 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 -31.31%, 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
2026-03-18	BUY	unknown	株式会社ハッピークローバー	activist	510.0K	¥435	-6.2%	¥208M ($1.3M)
2026-03-18	SELL	unknown	佐藤竜也	activist	2.6M	¥435	+6.2%	¥1.1B ($6.8M)
2025-07-08	BUY	Market Buy	住友生命保険相互会社 SUMITOMO LIFE INSURANCE COMPANY	strategic	650.0K	¥527	-22.6%	¥150M ($965K)
2025-07-03	BUY	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	150.0K	¥518	-21.2%	¥24M ($152K)
2025-07-03	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.0M	¥518	+21.2%	¥234M ($1.5M)
2025-06-05	BUY	unknown	住友生命保険相互会社 SUMITOMO LIFE INSURANCE COMPANY	strategic	350.0K	¥509	-19.8%	¥178M ($1.1M)
2025-05-29	SELL	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	100.0K	¥511	+20.2%	¥327K ($2K)
2025-05-29	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥511	+20.2%	¥4M ($27K)
2024-02-21	BUY	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	100.0K	¥526	-22.4%	¥53M ($339K)
2024-02-21	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥526	+22.4%	¥4M ($24K)
2023-12-05	SELL	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	100.0K	¥569	+28.3%	¥362K ($2K)
2023-12-05	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥569	+28.3%	¥13M ($82K)
2023-11-20	SELL	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	100.0K	¥586	+30.4%	¥373K ($2K)
2023-11-20	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥586	+30.4%	¥13M ($84K)
2023-01-06	BUY	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	100.0K	¥840	-51.4%	¥46M ($298K)
2023-01-06	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥840	+51.4%	¥56M ($360K)
2022-06-21	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.4M	¥808	+49.5%	¥16M ($105K)
2022-06-20	BUY	unknown	株式会社ハッピークローバー Happy Clover Co., Ltd.	activist	45.0K	¥799	-48.9%	¥36M ($231K)
2022-06-20	BUY	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥799	-48.9%	¥2.6B ($16.9M)
2022-06-20	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.3M	¥799	+48.9%	¥36M ($234K)
2021-08-19	SELL	unknown	佐藤竜也 Sato Tatsuya	activist	3.4M	¥1,241	+67.1%	¥183M ($1.2M)
2021-08-19	BUY	unknown	佐藤竜也 Sato Tatsuya	activist	3.4M	¥1,241	-67.1%	¥183M ($1.2M)

Frequently asked questions

Who has been buying Karadanote Inc. stock?: 3 distinct investors have filed 7 disclosed large-shareholding filings in Karadanote Inc. (4014), most recently on 2026-03-18. 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 Karadanote Inc. have?: Karadanote Inc. has 7 buy-side and 13 sell-side disclosures on record, covering ¥3.1B ($19.9M) in total reported value, spanning 2021-08-19 to 2026-03-18.
Where does StockDrifts get Karadanote 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 Karadanote Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.