Who has been buying Dai-Ichi Cutter Kogyo k.k. stock?

3 distinct investors have filed 6 disclosed large-shareholding filings in Dai-Ichi Cutter Kogyo k.k. (1716), most recently on 2025-07-02. 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 Dai-Ichi Cutter Kogyo k.k. have?

Dai-Ichi Cutter Kogyo k.k. has 6 buy-side and 3 sell-side disclosures on record, covering ¥161M ($1.0M) in total reported value, spanning 2022-07-01 to 2025-07-02.

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.

Dai-Ichi Cutter Kogyo k.k. 1716

Company

第一カッター興業株式会社Dai-Ichi Cutter Kogyo k.k.

Investors

Buys

Total Value

¥161M ($1.0M)

Avg Return

+8.79%

Last Filing

2025-07-02

Dai-Ichi Cutter Kogyo k.k. (1716) has 6 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥161M ($1.0M) in reported transaction value. The earliest filing StockDrifts holds for Dai-Ichi Cutter Kogyo k.k. is dated 2022-07-01; the most recent is 2025-07-02. Across these filings the average return since disclosure is +8.79%, 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
2025-07-02	BUY	Market Buy	ダイヤモンド機工株式会社 Diamond Kiko Co.,Ltd.	passive	1.2M	¥1,269	+8.0%	¥161M ($1.0M)
2025-04-21	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	544.0K	¥1,392	+1.5%	¥169M ($1.1M)
2025-02-28	BUY	Market Buy	ダイヤモンド機工株式会社 Diamond Kiko Co.,Ltd.	passive	1.1M	¥1,392	-1.5%	¥167M ($1.1M)
2024-08-14	BUY	Market Buy	ダイヤモンド機工株式会社 Diamond Kiko Co.,Ltd.	passive	968.7K	¥1,436	-4.5%	¥177M ($1.1M)
2024-03-06	BUY	Market Buy	ダイヤモンド機工株式会社 Diamond Kiko	passive	844.4K	¥1,534	-10.6%	¥190M ($1.2M)
2023-08-21	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	664.4K	¥1,211	-13.2%	¥163M ($1.1M)
2023-06-29	SELL	Market Buy	永野良夫 nagano yoshio	passive	5.6K	¥1,428	+4.0%	¥1.3B ($8.1M)
2022-09-01	BUY	Market Buy	ダイヤモンド機工株式会社 Diamond Kiko Co.,Ltd	passive	721.3K	¥1,286	+6.6%	¥154M ($996K)
2022-07-01	BUY	Market Buy	ダイヤモンド機工株式会社 Diamond Kiko co.,Ltd.	passive	600.9K	¥1,280	+7.1%	¥769M ($5.0M)

Frequently asked questions

Who has been buying Dai-Ichi Cutter Kogyo k.k. stock?: 3 distinct investors have filed 6 disclosed large-shareholding filings in Dai-Ichi Cutter Kogyo k.k. (1716), most recently on 2025-07-02. 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 Dai-Ichi Cutter Kogyo k.k. have?: Dai-Ichi Cutter Kogyo k.k. has 6 buy-side and 3 sell-side disclosures on record, covering ¥161M ($1.0M) in total reported value, spanning 2022-07-01 to 2025-07-02.
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.