Who has been buying Kan-Nanmaru Corporation stock?

4 distinct investors have filed 2 disclosed large-shareholding filings in Kan-Nanmaru Corporation (7585), most recently on 2026-01-05. 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 Kan-Nanmaru Corporation have?

Kan-Nanmaru Corporation has 2 buy-side and 10 sell-side disclosures on record, covering ¥371M ($2.4M) in total reported value, spanning 2021-06-29 to 2026-01-05.

Where does StockDrifts get Kan-Nanmaru Corporation 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.

Kan-Nanmaru Corporation 7585

Company

株式会社かんなん丸Kan-Nanmaru Corporation

Investors

Buys

Total Value

¥371M ($2.4M)

Avg Return

-22.03%

Last Filing

2026-01-05

Kan-Nanmaru Corporation (7585) has 2 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥371M ($2.4M) in reported transaction value. The earliest filing StockDrifts holds for Kan-Nanmaru Corporation is dated 2021-06-29; the most recent is 2026-01-05. 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 -22.03%, 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
2026-01-05	SELL	unknown	佐藤栄治 Eiji Sato	other	1.3M	¥413	-0.2%	¥33M ($213K)
2025-09-05	SELL	Market Buy	有限会社群青 Gunjo Ltd	passive	406.0K	¥409	-1.2%	¥21M ($134K)
2025-09-05	BUY	Market Buy	有限会社群青 Gunjo Ltd	passive	409.2K	¥409	+1.2%	¥20M ($126K)
2025-06-24	SELL	Market Buy	有限会社群青 Gunjo Ltd	passive	456.7K	¥434	+4.6%	¥100M ($646K)
2025-05-27	SELL	unknown	有限会社群青 Gunjo Ltd	passive	0	¥412	-0.5%	¥283M ($1.8M)
2025-05-27	BUY	unknown	佐藤栄治 Eiji Sato	other	1.4M	¥412	+0.5%	¥560M ($3.6M)
2025-02-21	SELL	unknown	有限会社群青 Gunjo Ltd	passive	687.6K	¥411	-0.7%	¥22M ($141K)
2025-02-21	BUY	unknown	佐藤栄治 Eiji Sato	other	1.4M	¥411	+0.7%	¥559M ($3.6M)
2025-02-20	SELL	unknown	有限会社群青 Gunjo Ltd	passive	687.6K	¥416	+0.5%	¥22M ($142K)
2025-02-20	BUY	unknown	佐藤栄治 Eiji Sato	other	1.4M	¥416	-0.5%	¥565M ($3.6M)
2024-11-26	SELL	unknown	有限会社群青 Gunjo Ltd	strategic	740.5K	¥441	+6.1%	¥94M ($609K)
2024-11-26	BUY	unknown	佐藤栄治 Eiji Sato	other	1.4M	¥441	-6.1%	¥599M ($3.9M)
2021-06-29	SELL	unknown	佐藤京子相続人代表佐藤栄治 Kyoko Sato Heir Representative Eiji Sato	unknown	0	¥531	+22.0%	¥185M ($1.2M)
2021-06-29	SELL	unknown	株式会社かんなん丸 Kan-Nanmaru Corporation	unknown	0	¥531	+22.0%	¥287M ($1.8M)
2021-06-29	BUY	unknown	有限会社群青 Gunjo Ltd	strategic	954.8K	¥531	-22.0%	¥507M ($3.3M)
2021-06-29	SELL	Market Buy	佐藤京子相続人代表佐藤栄治 Kyoko Sato Heir Representative Eiji Sato	unknown	0	¥531	+22.0%	¥185M ($1.2M)
2021-06-29	BUY	Market Buy	株式会社かんなん丸 Kan-Nanmaru Corporation	other	539.7K	¥531	-22.0%	¥287M ($1.8M)
2021-06-29	BUY	Market Buy	有限会社群青 Gunjo Ltd	strategic	954.8K	¥531	-22.0%	¥507M ($3.3M)
2021-06-29	BUY	Market Buy	佐藤栄治 Eiji Sato	other	1.4M	¥531	-22.0%	¥186M ($1.2M)
2021-06-29	BUY	unknown	佐藤栄治 Eiji Sato	other	1.4M	¥531	-22.0%	¥186M ($1.2M)

Frequently asked questions

Who has been buying Kan-Nanmaru Corporation stock?: 4 distinct investors have filed 2 disclosed large-shareholding filings in Kan-Nanmaru Corporation (7585), most recently on 2026-01-05. 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 Kan-Nanmaru Corporation have?: Kan-Nanmaru Corporation has 2 buy-side and 10 sell-side disclosures on record, covering ¥371M ($2.4M) in total reported value, spanning 2021-06-29 to 2026-01-05.
Where does StockDrifts get Kan-Nanmaru Corporation 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 Kan-Nanmaru Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.