Who has been buying Furubayashi Shiko Co.,Ltd. stock?

3 distinct investors have filed 4 disclosed large-shareholding filings in Furubayashi Shiko Co.,Ltd. (3944), most recently on 2026-02-09. 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 Furubayashi Shiko Co.,Ltd. have?

Furubayashi Shiko Co.,Ltd. has 4 buy-side and 0 sell-side disclosures on record, covering ¥424M ($2.7M) in total reported value, spanning 2021-06-23 to 2026-02-09.

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.

Furubayashi Shiko Co.,Ltd. 3944

Company

古林紙工株式会社Furubayashi Shiko Co.,Ltd.

Investors

Buys

Total Value

¥424M ($2.7M)

Avg Return

+2.78%

Last Filing

2026-02-09

Furubayashi Shiko Co.,Ltd. (3944) has 4 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥424M ($2.7M) in reported transaction value. The earliest filing StockDrifts holds for Furubayashi Shiko Co.,Ltd. is dated 2021-06-23; the most recent is 2026-02-09. Across these filings the average return since disclosure is +2.78%, 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
2026-08-28	BUY	Market Buy	Dr.Deussen Capital GmbH	activist	30.2K	¥3,080	+1.6%	¥93M ($600K)
2026-08-28	BUY	Market Buy	ARNE WOLF KLAUS DEUSSEN	activist	60.7K	¥3,080	+1.6%	¥187M ($1.2M)
2026-08-28	BUY	Market Buy	Dr.Deussen Capital GmbH	activist	30.2K	¥3,080	+1.6%	¥93M ($600K)
2026-08-28	BUY	Market Buy	ARNE WOLF KLAUS DEUSSEN	activist	60.7K	¥3,080	+1.6%	¥187M ($1.2M)
2026-08-28	BUY	Market Buy	Dr.Deussen Capital GmbH	activist	30.2K	¥3,080	+1.6%	¥93M ($600K)
2026-08-28	BUY	Market Buy	ARNE WOLF KLAUS DEUSSEN	activist	60.7K	¥3,080	+1.6%	¥187M ($1.2M)
2026-08-10	BUY	Market Buy	株式会社アダチメディカルレンタルリース Adachi Medical Rental Lease Co., Ltd.	passive	125.5K	¥2,875	+8.9%	¥49M ($313K)
2026-08-10	BUY	Market Buy	株式会社アダチメディカルレンタルリース Adachi Medical Rental Lease Co., Ltd.	passive	127.7K	¥2,875	-	¥55M ($356K)
2026-02-09	BUY	Market Buy	株式会社アダチメディカルレンタルリース Adachi Medical Rental Lease Co., Ltd.	passive	108.5K	¥2,841	-	¥54M ($345K)
2026-02-09	BUY	Market Buy	株式会社アダチメディカルレンタルリース Adachi Medical Rental Lease Co., Ltd.	passive	108.5K	¥2,841	+10.2%	¥54M ($345K)
2025-04-03	BUY	Market Buy	株式会社アダチメディカルレンタルリース Adachi Medical Rental Lease CO., LTD.	passive	89.7K	¥2,014	+55.4%	¥181M ($1.2M)
2025-04-03	BUY	Market Buy	株式会社アダチメディカルレンタルリース Adachi Medical Rental Lease CO., LTD.	passive	89.7K	¥2,014	-	¥181M ($1.2M)
2023-08-30	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	70.8K	¥2,300	+36.1%	¥161M ($1.0M)
2023-08-30	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	6.7K	¥2,300	-	¥15M ($99K)
2021-06-23	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	88.9K	¥2,362	+32.5%	¥210M ($1.4M)

Frequently asked questions

Who has been buying Furubayashi Shiko Co.,Ltd. stock?: 3 distinct investors have filed 4 disclosed large-shareholding filings in Furubayashi Shiko Co.,Ltd. (3944), most recently on 2026-02-09. 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 Furubayashi Shiko Co.,Ltd. have?: Furubayashi Shiko Co.,Ltd. has 4 buy-side and 0 sell-side disclosures on record, covering ¥424M ($2.7M) in total reported value, spanning 2021-06-23 to 2026-02-09.
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.