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Eidai Kako Co.,Ltd. 7877

Company
永大化工株式会社Eidai Kako Co.,Ltd.
Investors
1
Buys
0
Total Value
—
Avg Return
—
Last Filing
2025-08-18

Eidai Kako Co.,Ltd. (7877) has 0 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 1 distinct investors. The earliest filing StockDrifts holds for Eidai Kako Co.,Ltd. is dated 2024-05-17; the most recent is 2025-08-18. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-08-18BUYunknown
和田 正行
Masayuki Wada
strategic166.9K¥1,666+16.0%¥133M ($860K)
2025-08-18SELLunknown
和田 正行
Masayuki Wada
strategic166.9K¥1,666-16.0%¥133M ($860K)
2024-05-17SELLunknown
和田 正行
Wada Masayuki
strategic246.9K¥1,507-28.2%¥30M ($194K)
2024-05-17BUYunknown
和田 正行
Wada Masayuki
strategic246.9K¥1,507+28.2%¥30M ($194K)

Frequently asked questions

Who has been buying Eidai Kako Co.,Ltd. stock?
1 distinct investors have filed 0 disclosed large-shareholding filings in Eidai Kako Co.,Ltd. (7877), most recently on 2025-08-18. 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 Eidai Kako Co.,Ltd. have?
Eidai Kako Co.,Ltd. has 0 buy-side and 2 sell-side disclosures on record, spanning 2024-05-17 to 2025-08-18.
Where does StockDrifts get Eidai Kako 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 Eidai Kako Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.