Who has been buying Emergency Assistance Japan Co., Ltd. stock?

5 distinct investors have filed 7 disclosed large-shareholding filings in Emergency Assistance Japan Co., Ltd. (6063), most recently on 2026-02-04. 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 Emergency Assistance Japan Co., Ltd. have?

Emergency Assistance Japan Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥346M ($2.2M) in total reported value, spanning 2022-04-08 to 2026-02-04.

Where does StockDrifts get Emergency Assistance Japan Co., Ltd. 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.

Emergency Assistance Japan Co., Ltd. 6063

Company

日本エマージェンシーアシスタンス株式会社Emergency Assistance Japan Co., Ltd.

Investors

Buys

Total Value

¥346M ($2.2M)

Avg Return

-1.77%

Last Filing

2026-02-04

Emergency Assistance Japan Co., Ltd. (6063) has 7 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥346M ($2.2M) in reported transaction value. The earliest filing StockDrifts holds for Emergency Assistance Japan Co., Ltd. is dated 2022-04-08; the most recent is 2026-02-04. 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 -1.77%, 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
2026-07-22	BUY	Market Buy	徐慧明	passive	98.3K	¥983	+0.0%	¥27M ($171K)
2026-07-22	BUY	Market Buy	徐志敏	passive	322.9K	¥983	+0.0%	¥317M ($2.0M)
2026-07-22	BUY	Market Buy	徐慧明	passive	98.3K	¥983	+0.0%	¥27M ($171K)
2026-07-22	BUY	Market Buy	徐志敏	passive	322.9K	¥983	+0.0%	¥317M ($2.0M)
2026-06-09	BUY	Market Buy	徐志敏	passive	322.9K	¥868	+14.8%	¥22M ($141K)
2026-06-09	BUY	Market Buy	徐慧明	passive	71.2K	¥868	+14.8%	¥1M ($7K)
2026-06-09	BUY	Market Buy	徐慧明	passive	71.2K	¥868	+14.8%	¥1M ($7K)
2026-06-09	BUY	Market Buy	徐志敏	passive	322.9K	¥868	+14.8%	¥22M ($141K)
2026-02-04	BUY	block_purchase	徐宏沢 JO KOTAKU	other	180.1K	¥979	-8.1%	¥26M ($166K)
2025-12-11	BUY	unknown	徐宏沢 JO KOTAKU	unknown	153.8K	¥945	-4.8%	¥25M ($160K)
2025-12-10	BUY	Market Buy	徐宏沢 JO KOTAKU	unknown	158.8K	¥931	-3.3%	¥26M ($169K)
2025-12-05	BUY	unknown	徐宏沢 Jo Kotaku	other	127.5K	¥940	-4.3%	¥120M ($773K)
2025-12-05	BUY	acquisition	徐宏沢 Jo Kotaku	other	127.5K	¥940	-4.3%	¥120M ($773K)
2025-12-04	BUY	Market Buy	徐宏沢 JO KOTAKU	passive	158.8K	¥961	-6.3%	¥27M ($175K)
2025-12-04	BUY	Market Buy	徐宏沢 JO KOTAKU	passive	158.8K	¥961	-6.3%	¥27M ($175K)
2025-12-03	BUY	unknown	徐宏沢 JO KOTAKU	other	153.8K	¥921	-2.3%	¥24M ($156K)
2023-11-30	SELL	unknown	バンタークルーズヘルスサービシーズインク Vanter Cruise Health Services, Inc.	activist	183.9K	¥880	-2.3%	¥97M ($627K)
2023-11-29	BUY	Market Buy	徐慧明 Xu Huiming	passive	70.0K	¥872	+3.2%	¥61M ($394K)
2023-11-29	BUY	acquisition	徐志敏 Jo Shibin	passive	297.9K	¥872	+3.2%	¥260M ($1.7M)
2023-11-29	BUY	Market Buy	徐志敏 Jo Shibin	passive	297.9K	¥872	+3.2%	¥260M ($1.7M)
2023-11-28	SELL	unknown	吉田幸子 SACHIKO YOSHIDA	other	37.5K	¥824	-9.2%	¥196M ($1.3M)
2022-04-08	SELL	unknown	吉田幸子 SACHIKO YOSHIDA	other	276.0K	¥1,260	+28.6%	¥152M ($981K)
2022-04-08	BUY	unknown	吉田幸子 SACHIKO YOSHIDA	other	276.0K	¥1,260	-28.6%	¥152M ($981K)

Frequently asked questions

Who has been buying Emergency Assistance Japan Co., Ltd. stock?: 5 distinct investors have filed 7 disclosed large-shareholding filings in Emergency Assistance Japan Co., Ltd. (6063), most recently on 2026-02-04. 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 Emergency Assistance Japan Co., Ltd. have?: Emergency Assistance Japan Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥346M ($2.2M) in total reported value, spanning 2022-04-08 to 2026-02-04.
Where does StockDrifts get Emergency Assistance Japan Co., Ltd. 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 Emergency Assistance Japan Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.