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4481.TInformation & Communication
Filed as BASE CO., LTD. (2022-08–2026-08)
In English · 1
Thu, Dec 18 · JST1 filing
10:285% STAKEBase · NAKAYAMA ASSET CO., LTD. + 2 joint holders · 42.47% → 41.40%−1.07pp
All EDINET filings · 54
AllFinancial 235% 9Material 3Other 19
FiledDocumentFilerSource
2026-08-14CEO/CFO certificationBASE CO., LTD.S100YX35
2026-03-26CEO/CFO certificationBASE CO., LTD.S100XUKW
2026-03-26Internal control reportBASE CO., LTD.S100XUKR
2026-01-06Share buyback reportBASE CO., LTD.S100XEC9
2025-12-02Share buyback reportBASE CO., LTD.S100X85B
2025-11-05Share buyback reportBASE CO., LTD.S100WYTO
2025-10-02Share buyback reportBASE CO., LTD.S100WSV0
2025-08-14CEO/CFO certificationBASE CO., LTD.S100WJF5
2025-03-31CEO/CFO certificationBASE CO., LTD.S100VJ7X
2025-03-31Internal control reportBASE CO., LTD.S100VJ7W
2024-08-14CEO/CFO certificationBASE CO., LTD.S100U8CQ
2024-05-15CEO/CFO certificationBASE CO., LTD.S100TFBJ
2024-03-29CEO/CFO certificationBASE CO., LTD.S100T6N2
2024-03-29Internal control reportBASE CO., LTD.S100T6MX
2023-11-14CEO/CFO certificationBASE CO., LTD.S100S9EW
2023-03-31CEO/CFO certificationBASE CO., LTD.S100QIV5
2023-03-31Internal control reportBASE CO., LTD.S100QIV3
2022-03-31Internal control reportBASE CO., LTD.S100NT1K
2022-03-31CEO/CFO certificationBASE CO., LTD.S100NT1M

EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected. 10 financial reports not structured yet.

Not structured yet
2022-03-31quarterlyoriginal indexedS100O1OC
2021-12-31annualoriginal indexedS100NT1F
2021-09-30quarterlyoriginal indexedS100MTJJ
2021-06-30quarterlyoriginal indexedS100M9AW
2021-03-31quarterlyoriginal indexedS100LBMQ
2020-12-31annualoriginal indexedS100L3CI
2020-09-30quarterlyoriginal indexedS100K5EZ
2020-06-30quarterlyoriginal indexedS100JJ18
2020-03-31quarterlyoriginal indexedS100ILW3
2019-12-31annualoriginal indexedS100IBK2