Who has been buying Paraca Inc. stock?

9 distinct investors have filed 7 disclosed large-shareholding filings in Paraca Inc. (4809), most recently on 2026-05-11. 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 Paraca Inc. have?

Paraca Inc. has 7 buy-side and 5 sell-side disclosures on record, covering ¥2.8B ($18.0M) in total reported value, spanning 2021-04-09 to 2026-05-11.

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.

Paraca Inc. 4809

Company

パラカ株式会社Paraca Inc.

Investors

Buys

Total Value

¥2.8B ($18.0M)

Avg Return

+9.20%

Last Filing

2026-05-11

Paraca Inc. (4809) has 7 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥2.8B ($18.0M) in reported transaction value. The earliest filing StockDrifts holds for Paraca Inc. is dated 2021-04-09; the most recent is 2026-05-11. Across these filings the average return since disclosure is +9.20%, 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
2026-09-25	BUY	Market Buy	株式会社UH6	passive	17.2K	¥2,040	-	-
2026-09-25	BUY	Market Buy	株式会社UH Partners 2	passive	45.1K	¥2,040	-	¥92M ($594K)
2026-09-25	BUY	Market Buy	光通信株式会社	passive	779.2K	¥2,040	+0.0%	¥121M ($783K)
2026-08-06	BUY	Market Buy	株式会社UH6	passive	17.2K	¥2,004	-	-
2026-08-06	BUY	Market Buy	光通信株式会社	passive	719.0K	¥2,004	+1.8%	¥216M ($1.4M)
2026-06-15	BUY	Market Buy	光通信株式会社	passive	611.8K	¥1,946	+4.8%	¥203M ($1.3M)
2026-06-15	BUY	Market Buy	株式会社UH6	passive	17.2K	¥1,946	-	-
2026-05-11	BUY	Market Buy	光通信株式会社	passive	507.3K	¥2,000	+2.0%	¥1.0B ($6.5M)
2026-05-11	BUY	Market Buy	株式会社UH6	passive	17.2K	¥2,000	+2.0%	¥34M ($222K)
2024-02-05	SELL	unknown	兼平清美 Kiyomi Kanehira	strategic	6.4K	¥1,935	-5.4%	¥37M ($237K)
2024-02-05	BUY	unknown	兼平宏 HIROSHI KANEHIRA	unknown	574.0K	¥1,935	+5.4%	¥1.1B ($7.1M)
2024-02-05	BUY	unknown	兼平宏 HIROSHI KANEHIRA	strategic	547.0K	¥1,935	-	¥100M ($643K)
2024-02-05	BUY	unknown	兼平宏 HIROSHI KANEHIRA	strategic	570.0K	¥1,935	+5.4%	¥1.1B ($7.0M)
2024-02-05	SELL	unknown	兼平宏 HIROSHI KANEHIRA	strategic	547.0K	¥1,935	-5.4%	¥88M ($566K)
2024-02-05	SELL	unknown	兼平清美 Kiyomi Kanehira	unknown	0	¥1,935	-5.4%	¥47M ($306K)
2023-12-21	BUY	Market Buy	伊藤忠商事株式会社 ITOCHU Corporation	strategic	2.3M	¥1,868	+9.2%	¥507M ($3.3M)
2021-08-31	SELL	unknown	日成ビルド工業株式会社 NISSEI BUILD KOGYO CO.,LTD.	unknown	0	¥1,844	-10.6%	¥3.6B ($23.2M)
2021-08-30	BUY	unknown	伊藤忠商事株式会社 ITOCHU Corporation	strategic	2.0M	¥1,817	+12.3%	¥3.7B ($23.6M)
2021-04-09	SELL	unknown	有限会社リョウコーポレーション Ryo Corporation Ltd.	activist	700.0K	¥1,672	-22.0%	¥29M ($188K)
2021-04-09	BUY	unknown	内藤宗 So Naito	activist	320.4K	¥1,672	+22.0%	¥55M ($354K)
2021-04-09	BUY	unknown	内藤恵理 Eri Naito	activist	16.5K	¥1,672	-	¥28M ($178K)

Frequently asked questions

Who has been buying Paraca Inc. stock?: 9 distinct investors have filed 7 disclosed large-shareholding filings in Paraca Inc. (4809), most recently on 2026-05-11. 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 Paraca Inc. have?: Paraca Inc. has 7 buy-side and 5 sell-side disclosures on record, covering ¥2.8B ($18.0M) in total reported value, spanning 2021-04-09 to 2026-05-11.
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.