StockDrifts LogoStockDrifts

Edia Co., Ltd. 3935

Company
株式会社エディアEdia Co., Ltd.
Investors
4
Buys
4
Total Value
¥404M ($2.6M)
Avg Return
+4.87%
Last Filing
2026-02-04

Edia Co., Ltd. (3935) has 4 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥404M ($2.6M) in reported transaction value. The earliest filing StockDrifts holds for Edia Co., Ltd. is dated 2021-12-06; the most recent is 2026-02-04. 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 +4.87%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-02-04BUYunknown
原尾　正紀
MASANORI HARAO
strategic971.2K¥729-4.1%¥708M ($4.6M)
2026-01-21SELLunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other300.8K¥767+8.9%¥48M ($310K)
2025-12-19SELLunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other363.4K¥931+24.9%¥65M ($421K)
2025-10-21BUYMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other433.5K¥890-21.5%¥52M ($335K)
2025-08-22BUYMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other375.2K¥1,157-39.6%¥56M ($361K)
2025-08-21BUYunknown
原尾 麻里子
Mariko Harao
strategic12.8K¥1,090-35.9%¥14M ($90K)
2025-08-21SELLunknown
原尾 正紀
Masaki Harao
strategic958.4K¥1,090+35.9%¥68M ($440K)
2025-06-05BUYunknown
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other326.6K¥675+3.6%¥220M ($1.4M)
2024-05-30BUYunknown
賀島義成
yoshinari kashima
strategic890.8K¥332+110.5%¥296M ($1.9M)
2024-05-30BUYunknown
賀島義成
yoshinari kashima
strategic890.8K¥332+110.5%¥296M ($1.9M)
2021-12-06BUYunknown
賀島義成
yoshinari kashima
strategic890.8K¥395+77.0%¥352M ($2.3M)

Frequently asked questions

Who has been buying Edia Co., Ltd. stock?
4 distinct investors have filed 4 disclosed large-shareholding filings in Edia Co., Ltd. (3935), most recently on 2026-02-04. 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 Edia Co., Ltd. have?
Edia Co., Ltd. has 4 buy-side and 3 sell-side disclosures on record, covering ¥404M ($2.6M) in total reported value, spanning 2021-12-06 to 2026-02-04.
Where does StockDrifts get Edia 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 Edia Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.