Who has been buying Headwaters Co.,Ltd stock?

1 distinct investors have filed 1 disclosed large-shareholding filings in Headwaters Co.,Ltd (4011), most recently on 2024-12-05. 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 Headwaters Co.,Ltd have?

Headwaters Co.,Ltd has 1 buy-side and 5 sell-side disclosures on record, covering ¥530M ($3.4M) in total reported value, spanning 2021-09-09 to 2024-12-05.

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.

Headwaters Co.,Ltd 4011

Company

株式会社ヘッドウォータースHeadwaters Co.,Ltd

Investors

Buys

Total Value

¥530M ($3.4M)

Avg Return

-71.22%

Last Filing

2024-12-05

Headwaters Co.,Ltd (4011) has 1 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 1 distinct investors. Together those filings cover ¥530M ($3.4M) in reported transaction value. The earliest filing StockDrifts holds for Headwaters Co.,Ltd is dated 2021-09-09; the most recent is 2024-12-05. Across these filings the average return since disclosure is -71.22%, 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
2026-06-18	BUY	unknown	稲葉貴美子	strategic	35.0K	¥2,108	+11.2%	¥74M ($476K)
2026-06-18	BUY	unknown	インフィニティアセットマネジメント株式会社	strategic	150.4K	¥2,108	+11.2%	¥317M ($2.0M)
2026-06-18	SELL	unknown	稲葉貴美子	strategic	35.0K	¥2,108	-11.2%	¥98M ($631K)
2026-06-18	SELL	unknown	インフィニティアセットマネジメント株式会社	strategic	150.4K	¥2,108	-11.2%	¥417M ($2.7M)
2026-06-18	SELL	unknown	稲葉貴美子	strategic	35.0K	¥2,108	-11.2%	¥98M ($631K)
2026-06-18	SELL	unknown	インフィニティアセットマネジメント株式会社	strategic	150.4K	¥2,108	-11.2%	¥417M ($2.7M)
2026-06-18	SELL	unknown	稲葉雄一	strategic	688.3K	¥2,108	-11.2%	¥1.4B ($9.3M)
2026-06-18	BUY	unknown	稲葉雄一	strategic	688.3K	¥2,108	+11.2%	¥1.5B ($9.4M)
2026-06-18	SELL	unknown	稲葉雄一	strategic	688.3K	¥2,108	-11.2%	¥1.4B ($9.3M)
2024-12-05	SELL	unknown	篠田庸介 yosuke shinoda	other	1.0M	¥6,090	+61.5%	¥109M ($701K)
2024-03-14	BUY	unknown	篠田庸介 yosuke shinoda	other	1.1M	¥7,765	-	¥530M ($3.4M)
2024-03-14	BUY	Market Buy	篠田庸介 yosuke shinoda	other	1.1M	¥7,765	-69.8%	¥530M ($3.4M)
2023-05-26	SELL	unknown	篠田庸介 yosuke shinoda	other	525.0K	¥4,632.5	+49.4%	¥50M ($325K)
2023-05-26	SELL	unknown	篠田庸介 yosuke shinoda	other	537.2K	¥4,632.5	+49.4%	¥58M ($375K)
2022-09-05	BUY	unknown	篠田庸介 yosuke shinoda	other	550.2K	¥902.5	-	-
2022-03-17	SELL	unknown	篠田庸介 yosuke shinoda	other	550.2K	¥813.75	-187.9%	¥8M ($54K)
2022-03-17	BUY	unknown	篠田庸介 yosuke shinoda	other	550.2K	¥813.75	-	¥8M ($49K)
2021-09-13	BUY	unknown	篠田庸介 yosuke shinoda	other	553.8K	¥1,862.5	-	¥2M ($12K)
2021-09-13	BUY	unknown	篠田庸介 yosuke shinoda	other	553.8K	¥1,862.5	-	-
2021-09-09	BUY	unknown	篠田庸介 yosuke shinoda	other	553.8K	¥1,715	-	-
2021-09-09	SELL	subscription	篠田庸介 yosuke shinoda	other	553.8K	¥1,715	-36.6%	¥24M ($154K)

Frequently asked questions

Who has been buying Headwaters Co.,Ltd stock?: 1 distinct investors have filed 1 disclosed large-shareholding filings in Headwaters Co.,Ltd (4011), most recently on 2024-12-05. 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 Headwaters Co.,Ltd have?: Headwaters Co.,Ltd has 1 buy-side and 5 sell-side disclosures on record, covering ¥530M ($3.4M) in total reported value, spanning 2021-09-09 to 2024-12-05.
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.