Who has been buying CK SAN-ETSU Co., Ltd. stock?

7 distinct investors have filed 5 disclosed large-shareholding filings in CK SAN-ETSU Co., Ltd. (5757), most recently on 2024-08-14. 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 CK SAN-ETSU Co., Ltd. have?

CK SAN-ETSU Co., Ltd. has 5 buy-side and 5 sell-side disclosures on record, covering ¥4.5B ($29.2M) in total reported value, spanning 2021-09-30 to 2024-08-14.

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.

CK SAN-ETSU Co., Ltd. 5757

Company

株式会社CKサンエツCK SAN-ETSU Co., Ltd.

Investors

Buys

Total Value

¥4.5B ($29.2M)

Avg Return

+30.37%

Last Filing

2024-08-14

CK SAN-ETSU Co., Ltd. (5757) has 5 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥4.5B ($29.2M) in reported transaction value. The earliest filing StockDrifts holds for CK SAN-ETSU Co., Ltd. is dated 2021-09-30; the most recent is 2024-08-14. Across these filings the average return since disclosure is +30.37%, 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
2024-08-14	SELL	unknown	釣谷宏行 TSURIYA HIROYUKI	other	1.4K	¥3,175	-56.4%	¥20M ($127K)
2024-08-14	BUY	unknown	株式会社ツリヤ経営 Tsuriya Management Co., Ltd.	other	281.0K	¥3,175	+56.4%	¥453M ($2.9M)
2024-08-14	BUY	unknown	株式会社釣谷興産 Tsuritani Kosan Co., Ltd.	other	138.5K	¥3,175	-	-
2024-08-14	BUY	unknown	釣谷美紀子 Mikiko Tsuritani	other	19.0K	¥3,175	-	-
2023-05-24	BUY	unknown	岡部健 OKABE KEN	strategic	949.5K	¥4,225	+17.5%	¥4.0B ($25.9M)
2023-05-22	SELL	unknown	松永誠 MATSUNAGA MAKOTO	unknown	0	¥4,300	-15.5%	¥3.9B ($24.9M)
2022-12-27	SELL	unknown	大房翔 OFUSA SHO	other	352.3K	¥3,930	-26.3%	¥411M ($2.7M)
2022-12-27	SELL	unknown	大房翔 OFUSA SHO	other	456.3K	¥3,930	-26.3%	¥383M ($2.5M)
2022-12-27	SELL	unknown	大房翔 OFUSA SHO	other	553.9K	¥3,930	-26.3%	¥467M ($3.0M)
2022-01-31	BUY	unknown	株式会社釣谷興産 Tsuritani Kosan Co., Ltd.	other	138.5K	¥3,960	-	-
2022-01-31	BUY	unknown	釣谷宏行 TSURIYA HIROYUKI	other	183.2K	¥3,960	-	-
2022-01-31	BUY	unknown	株式会社ツリヤ経営 Tsuriya Management Co., Ltd.	other	138.5K	¥3,960	-	-
2022-01-31	BUY	unknown	釣谷美紀子 Mikiko Tsuritani	other	19.0K	¥3,960	-	-
2021-09-30	BUY	acquisition	株式会社釣谷興産 Tsuritani Kosan Co., Ltd.	unknown	138.5K	¥3,180	+56.1%	¥440M ($2.8M)
2021-09-30	BUY	acquisition	釣谷美紀子 Mikiko Tsuritani	unknown	19.0K	¥3,180	+56.1%	¥60M ($390K)
2021-09-30	BUY	acquisition	釣谷宏行 TSURIYA HIROYUKI	other	183.1K	¥3,180	+56.1%	¥582M ($3.8M)

Frequently asked questions

Who has been buying CK SAN-ETSU Co., Ltd. stock?: 7 distinct investors have filed 5 disclosed large-shareholding filings in CK SAN-ETSU Co., Ltd. (5757), most recently on 2024-08-14. 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 CK SAN-ETSU Co., Ltd. have?: CK SAN-ETSU Co., Ltd. has 5 buy-side and 5 sell-side disclosures on record, covering ¥4.5B ($29.2M) in total reported value, spanning 2021-09-30 to 2024-08-14.
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.