Who has been buying Hokkaido Shika Sangyo Co., Ltd. stock?

5 distinct investors have filed 12 disclosed large-shareholding filings in Hokkaido Shika Sangyo Co., Ltd. (7693), most recently on 2025-10-10. 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 Hokkaido Shika Sangyo Co., Ltd. have?

Hokkaido Shika Sangyo Co., Ltd. has 12 buy-side and 6 sell-side disclosures on record, covering ¥28M ($178K) in total reported value, spanning 2023-05-19 to 2025-10-10.

Where does StockDrifts get Hokkaido Shika Sangyo Co., Ltd. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

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.

Hokkaido Shika Sangyo Co., Ltd. 7693

Company

北海道歯科産業株式会社Hokkaido Shika Sangyo Co., Ltd.

Investors

Buys

Total Value

¥28M ($178K)

Avg Return

+0.46%

Last Filing

2025-10-10

Hokkaido Shika Sangyo Co., Ltd. (7693) has 12 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥28M ($178K) in reported transaction value. The earliest filing StockDrifts holds for Hokkaido Shika Sangyo Co., Ltd. is dated 2023-05-19; the most recent is 2025-10-10. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +0.46%, 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
2026-07-13	BUY	Market Buy	山田哲哉 Tetsuya Yamada	other	2.0M	¥105	+0.0%	¥8M ($51K)
2026-07-13	SELL	unknown	高島健二 Kenji Takashima	other	289.0K	¥105	+0.0%	¥12M ($80K)
2025-10-10	BUY	unknown	高島幸子 Sachiko Takashima	other	70.0K	¥104.75	+0.2%	¥7M ($47K)
2025-10-10	BUY	Market Buy	髙島千尋 Chihiro Takashima	other	93.0K	¥104.75	+0.2%	¥2M ($12K)
2025-10-10	BUY	Market Buy	髙島雄太 Yuta Takashima	other	254.0K	¥104.75	+0.2%	¥6M ($36K)
2025-10-10	SELL	unknown	高島健二 Kenji Takashima	other	337.0K	¥104.75	-0.2%	¥8M ($49K)
2025-10-06	SELL	unknown	高島健二 Kenji Takashima	other	409.0K	¥104.75	-0.2%	¥7M ($43K)
2025-10-06	BUY	unknown	高島幸子 Sachiko Takashima	other	70.0K	¥104.75	+0.2%	¥7M ($47K)
2025-07-14	BUY	unknown	山田哲哉 Tetsuya Yamada	other	1.9M	¥104.75	+0.2%	¥8M ($51K)
2025-07-14	BUY	Market Buy	山田哲哉 Tetsuya Yamada	other	1.9M	¥104.75	+0.2%	¥8M ($51K)
2025-07-14	BUY	unknown	山田哲哉 Tetsuya Yamada	other	1.9M	¥104.75	+0.2%	¥8M ($51K)
2024-11-25	BUY	unknown	髙島千尋 Chihiro Takashima	other	75.0K	¥104.501	+0.5%	¥8M ($51K)
2024-11-25	BUY	unknown	髙島雄太 Yuta Takashima	other	200.0K	¥104.501	+0.5%	¥21M ($135K)
2024-11-25	BUY	unknown	髙島千尋 Chihiro Takashima	other	75.0K	¥104.501	+0.5%	¥8M ($51K)
2024-11-25	BUY	unknown	髙島雄太 Yuta Takashima	other	200.0K	¥104.501	+0.5%	¥21M ($135K)
2024-11-19	SELL	unknown	髙島健二 Kenji Takashima	other	473.0K	¥104.501	-0.5%	¥10M ($68K)
2024-11-19	SELL	unknown	髙島健二 Kenji Takashima	other	573.0K	¥104.501	-0.5%	¥8M ($54K)
2024-11-19	BUY	unknown	髙島幸子 Sachiko Takashima	other	50.0K	¥104.501	+0.5%	¥5M ($34K)
2024-11-19	BUY	unknown	髙島幸子 Sachiko Takashima	other	70.0K	¥104.501	+0.5%	¥2M ($14K)
2024-04-15	BUY	Market Buy	山田哲哉 Tetsuya Yamada	other	1.7M	¥104.501	+0.5%	¥8M ($53K)
2024-04-15	BUY	Market Buy	山田哲哉 Tetsuya Yamada	other	1.8M	¥104.501	+0.5%	¥8M ($50K)
2024-04-15	BUY	Market Buy	山田哲哉 Tetsuya Yamada	other	1.7M	¥104.501	+0.5%	¥9M ($61K)
2024-04-11	SELL	unknown	山田美代子 Miyoko Yamada	other	221.0K	¥104.501	-0.5%	¥8M ($51K)
2024-04-11	BUY	unknown	山田美代子 Miyoko Yamada	other	221.0K	¥104.501	+0.5%	¥8M ($51K)
2023-12-22	BUY	unknown	髙島健二 Kenji Takashima	other	653.0K	¥104.003	+1.0%	¥8M ($51K)
2023-12-18	SELL	unknown	髙島健二 Kenji Takashima	other	653.0K	¥104.003	-1.0%	¥8M ($51K)
2023-12-05	BUY	unknown	山田美代子 Miyoko Yamada	other	296.0K	¥104.003	+1.0%	¥8M ($50K)
2023-12-05	BUY	unknown	山田美代子 Miyoko Yamada	other	296.0K	¥104.003	+1.0%	¥11M ($72K)
2023-12-05	BUY	unknown	山田美代子 Miyoko Yamada	other	296.0K	¥104.003	+1.0%	¥11M ($72K)
2023-05-19	BUY	unknown	髙島健二 Kenji Takashima	other	728.0K	¥104.003	+1.0%	¥76M ($488K)
2023-05-19	BUY	unknown	髙島健二 Kenji Takashima	other	728.0K	¥104.003	+1.0%	¥17M ($107K)

Frequently asked questions

Who has been buying Hokkaido Shika Sangyo Co., Ltd. stock?: 5 distinct investors have filed 12 disclosed large-shareholding filings in Hokkaido Shika Sangyo Co., Ltd. (7693), most recently on 2025-10-10. 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 Hokkaido Shika Sangyo Co., Ltd. have?: Hokkaido Shika Sangyo Co., Ltd. has 12 buy-side and 6 sell-side disclosures on record, covering ¥28M ($178K) in total reported value, spanning 2023-05-19 to 2025-10-10.
Where does StockDrifts get Hokkaido Shika Sangyo Co., Ltd. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Hokkaido Shika Sangyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.