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Ecomic Co., Ltd 3802

Company
株式会社エコミックEcomic Co., Ltd
Investors
3
Buys
1
Total Value
¥132M ($850K)
Avg Return
-2.08%
Last Filing
2026-03-13

Ecomic Co., Ltd (3802) has 1 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥132M ($850K) in reported transaction value. The earliest filing StockDrifts holds for Ecomic Co., Ltd is dated 2024-03-11; the most recent is 2026-03-13. 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 -2.08%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-03-13SELLunknown
佐藤 良雄(相続人代表 佐藤 佳寿子)
other0¥483+2.7%-
2026-03-13BUYunknown
キャリアバンク株式会社
other120.8K¥483+2.7%¥57M ($366K)
2026-03-04BUYunknown
佐藤 良雄(相続人代表 佐藤 佳寿子)
other259.2K¥484+2.9%¥122M ($786K)
2026-03-04SELLunknown
キャリアバンク株式会社
other0¥484+2.9%-
2026-03-04BUYunknown
佐藤 良雄(相続人代表 佐藤 佳寿子)
other259.2K¥484+2.9%¥122M ($786K)
2026-03-04SELLunknown
キャリアバンク株式会社
other0¥484+2.9%-
2026-02-12BUYunknown
熊谷 浩二
KOJI KUMAGAI
activist274.4K¥480-2.1%¥132M ($850K)
2026-02-04SELLunknown
キャリアバンク株式会社
CAREER BANK CO.,LTD
other380.0K¥471+0.2%¥716M ($4.6M)
2025-12-10SELLunknown
佐藤 良雄(相続人代表 佐藤 佳寿子)
other259.2K¥459-2.4%¥122M ($786K)
2025-12-10SELLunknown
キャリアバンク株式会社
other1.6M¥459-2.4%¥771M ($5.0M)
2025-12-10SELLunknown
佐藤 良雄(相続人代表 佐藤 佳寿子)
other259.2K¥459-2.4%¥122M ($786K)
2025-12-10SELLunknown
キャリアバンク株式会社
other1.6M¥459-2.4%¥771M ($5.0M)
2024-03-11SELLunknown
佐藤 良雄
Yoshio Sato
other259.2K¥486+3.3%¥2M ($14K)
2024-03-11SELLunknown
キャリアバンク株式会社
CAREER BANK CO.,LTD
other1.6M¥486+3.3%¥15M ($95K)

Frequently asked questions

Who has been buying Ecomic Co., Ltd stock?
3 distinct investors have filed 1 disclosed large-shareholding filings in Ecomic Co., Ltd (3802), most recently on 2026-03-13. 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 Ecomic Co., Ltd have?
Ecomic Co., Ltd has 1 buy-side and 10 sell-side disclosures on record, covering ¥132M ($850K) in total reported value, spanning 2024-03-11 to 2026-03-13.
Where does StockDrifts get Ecomic 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 Ecomic Co., Ltd. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.