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Showa System Engineering

4752.TInformation & Communication
In English · 5
Mon, Jun 22 · JST1 filing
14:51MATERIALShowa System Engineering · Change of representative director
Fri, Feb 20 · JST1 filing
11:12MATERIALShowa System Engineering · Change in major shareholder
Thu, Feb 19 · JST2 filings
15:015% STAKEShowa System Engineering · OM Shoji · 7.69%new 7.69%14:005% STAKEShowa System Engineering · Kyoko Furutono + 1 joint holder · 10.36% → 6.83%−3.53pp
Mon, Jun 23 · JST1 filing
13:51MATERIALShowa System Engineering · Change of representative director
All EDINET filings · 59
AllFinancial 355% 4Material 6Other 14
FiledDocumentFilerSource
2026-06-22CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100YE3J
2026-06-22Internal control reportSHOWA SYSTEM ENGINEERING CORPORATIONS100YE3C
2025-11-12CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100X14K
2025-06-23Internal control reportSHOWA SYSTEM ENGINEERING CORPORATIONS100W19X
2025-06-23CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100W19P
2024-11-13CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100UPUY
2024-06-24Internal control reportSHOWA SYSTEM ENGINEERING CORPORATIONS100TPSO
2024-06-24CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100TPSA
2024-02-13CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100STM4
2023-11-14CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100S8WO
2023-06-23Internal control reportSHOWA SYSTEM ENGINEERING CORPORATIONS100R21Q
2023-06-23CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100R21F
2022-06-17Internal control reportSHOWA SYSTEM ENGINEERING CORPORATIONS100O9DF
2022-06-17CEO/CFO certificationSHOWA SYSTEM ENGINEERING CORPORATIONS100O9DH

EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected. 22 financial reports not structured yet.

Not structured yet
2021-12-31quarterlyoriginal indexedS100NENP
2021-09-30quarterlyoriginal indexedS100MS8D
2021-06-30quarterlyoriginal indexedS100M8UD
2021-03-31annualoriginal indexedS100LK2K
2020-12-31quarterlyoriginal indexedS100KP1D
2020-09-30quarterlyoriginal indexedS100K3Q2
2020-06-30quarterlyoriginal indexedS100JI8M
2020-03-31annualoriginal indexedS100ITE4
2019-12-31quarterlyoriginal indexedS100HXXV
2019-09-30quarterlyoriginal indexedS100H8TZ
2019-06-30quarterlyoriginal indexedS100GNJH
2019-03-31annualoriginal indexedS100G0RU
2018-12-31quarterlyoriginal indexedS100F38K
2018-09-30quarterlyoriginal indexedS100EG7W
2018-06-30quarterlyoriginal indexedS100DSXR
2018-03-31annualoriginal indexedS100D862
2017-12-31quarterlypending downloadS100CAMD
—quarterlypending downloadS100BUDV
2017-09-30quarterlypending downloadS100BNK7
2017-06-30quarterlypending downloadS100B1AT
2017-03-31annualpending downloadS100AF46
2016-12-31quarterlypending downloadS1009L67