Who has been buying Niitaka Co., Ltd. stock?

2 distinct investors have filed 0 disclosed large-shareholding filings in Niitaka Co., Ltd. (4465), most recently on 2026-05-08. 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 Niitaka Co., Ltd. have?

Niitaka Co., Ltd. has 0 buy-side and 1 sell-side disclosures on record, spanning 2023-02-14 to 2026-05-08.

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.

Niitaka Co., Ltd. 4465

Company

株式会社ニイタカNiitaka Co., Ltd.

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2026-05-08

Niitaka Co., Ltd. (4465) has 0 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 2 distinct investors. The earliest filing StockDrifts holds for Niitaka Co., Ltd. is dated 2023-02-14; the most recent is 2026-05-08.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-08-06	BUY	unknown	相川保史	strategic	28.1K	¥2,340	-	¥66M ($425K)
2026-08-06	SELL	unknown	株式会社ニイタカSC	strategic	1.1M	¥2,340	-0.2%	¥70M ($449K)
2026-08-06	SELL	unknown	株式会社ニイタカSC	strategic	1.1M	¥2,340	-0.2%	¥70M ($449K)
2026-08-06	BUY	unknown	相川保史	strategic	28.1K	¥2,340	-	¥66M ($425K)
2026-05-08	BUY	unknown	奥山吉昭	strategic	67.3K	¥2,319	-	¥156M ($1.0M)
2026-05-08	BUY	unknown	株式会社ニイタカSC	strategic	1.2M	¥2,319	-	-
2026-05-08	BUY	unknown	奥山吉昭	strategic	67.3K	¥2,319	-	¥156M ($1.0M)
2026-05-08	SELL	unknown	株式会社ニイタカSC	strategic	1.1M	¥2,319	-1.1%	¥103M ($667K)
2024-12-24	BUY	unknown	株式会社ニイタカSC Niitaka SC Co., Ltd.	strategic	1.2M	¥2,008	-	-
2024-10-11	BUY	unknown	株式会社ニイタカSC Niitaka SC Co., Ltd.	strategic	1.2M	¥1,930	-	-
2023-11-30	BUY	unknown	株式会社ニイタカSC Niitaka SC Co., Ltd.	strategic	1.2M	¥1,999	-	-
2023-02-14	BUY	unknown	株式会社ニイタカSC Niitaka SC Co., Ltd.	strategic	1.2M	¥1,983	-	-
2023-02-14	BUY	unknown	株式会社ニイタカSC Niitaka SC Co., Ltd.	strategic	1.2M	¥1,983	-	-
2023-02-14	BUY	unknown	株式会社ニイタカSC Niitaka SC Co., Ltd.	strategic	1.2M	¥1,983	-	-

Frequently asked questions

Who has been buying Niitaka Co., Ltd. stock?: 2 distinct investors have filed 0 disclosed large-shareholding filings in Niitaka Co., Ltd. (4465), most recently on 2026-05-08. 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 Niitaka Co., Ltd. have?: Niitaka Co., Ltd. has 0 buy-side and 1 sell-side disclosures on record, spanning 2023-02-14 to 2026-05-08.
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.