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Seikoh Giken

6834.TTSE STANDARDElectric Appliances
Filed as SEIKOH GIKEN Co., Ltd. (2022-06–2026-06)
In English · 6
Fri, Feb 7 · JST4 filings
16:445% STAKESeikoh Giken · Yukiko Hosoe + 1 joint holder · 14.31%new 14.31%16:445% STAKESeikoh Giken · Yukiko Hosoe + 1 joint holder · 16.66%new 16.66%16:435% STAKESeikoh Giken · Yukiko Hosoe + 1 joint holder · 19.63%new 19.63%16:355% STAKESeikoh Giken · Koshi + 1 joint holder · 16.98% → 12.37%−4.61pp
Fri, Dec 20 · JST2 filings
09:105% STAKESeikoh Giken · Koken + 1 joint holder · 10.89% → 9.28%−1.61pp09:075% STAKESeikoh Giken · Koshi + 1 joint holder · 11.62% → 10.55%−1.07pp
All EDINET filings · 96
AllFinancial 405% 35Material 3Other 18
FiledDocumentFilerSource
2026-09-01Large shareholding reportHosoe YukikoS100YZOR
2026-06-22Material event reportSEIKOH GIKEN Co., Ltd.S100YFM1
2026-06-18CEO/CFO certificationSEIKOH GIKEN Co., Ltd.S100YB8C
2026-06-18Internal control reportSEIKOH GIKEN Co., Ltd.S100YB8U
2026-06-18Annual reportSEIKOH GIKEN Co., Ltd.S100YB9C
2025-12-23Amended large shareholding reportAmends S100V6OJTomaru YumikoS100XCKK
2025-12-23Amended large shareholding reportAmends S100V6OMTomaru YumikoS100XCKB
2025-12-23Amended large shareholding reportAmends S100V6OHTomaru YumikoS100XCK5
2025-12-23Amended large shareholding reportAmends S100WNTMTomaru YumikoS100XCJU
2025-12-23Amended large shareholding reportAmends S100WU9XTomaru YumikoS100XCJH
2025-11-13Securities registrationSEIKOH GIKEN Co., Ltd.S100X15Z
2025-11-13CEO/CFO certificationSEIKOH GIKEN Co., Ltd.S100X151
2025-11-13Half-year reportSEIKOH GIKEN Co., Ltd.S100X14Y
2025-10-09Large shareholding reportTomaru YumikoS100WU9X
2025-10-09Amended large shareholding reportAmends S100WNTMTomaru YumikoS100WUAZ
2025-10-06Large shareholding reportRelated to S100UNK9NomurashoukenS100WT1V
2025-09-09Large shareholding reportTomaru YumikoS100WNTM
2025-06-23Material event reportSEIKOH GIKEN Co., Ltd.S100W22T
2025-06-20CEO/CFO certificationSEIKOH GIKEN Co., Ltd.S100VYR8
2025-06-20Internal control reportSEIKOH GIKEN Co., Ltd.S100VYRL
2025-06-20Annual reportSEIKOH GIKEN Co., Ltd.S100VYS0
2025-02-07Amended large shareholding reportAmends S100MZGJHosoe YukikoS100V6KW
2025-02-07Amended large shareholding reportAmends S100UXLCHosoe YukikoS100V6KX
2025-02-07Large shareholding reportHosoe YukikoS100V5OU
2025-02-07Large shareholding reportHosoe YukikoS100V6A2
2025-02-07Large shareholding reportHosoe YukikoS100V6B1
2025-02-07Amended large shareholding reportAmends S100UYQPHosoe YukikoS100V6KZ
2025-02-07Large shareholding reportHosoe YukikoS100V69P
2025-02-07Large shareholding reportHosoe YukikoS100V5GT
2025-02-07Amended large shareholding reportAmends S100MZEJTomaru YumikoS100V6OQ

EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected. 21 financial reports not structured yet.

Not structured yet
2021-12-31quarterlyoriginal indexedS100ND8A
2021-09-30quarterlyoriginal indexedS100MRCO
2021-06-30quarterlyoriginal indexedS100M790
2021-03-31annualoriginal indexedS100LJ4V
2020-12-31quarterlyoriginal indexedS100KOB9
2020-09-30quarterlyoriginal indexedS100K2LV
2020-06-30quarterlyoriginal indexedS100JD0F
2020-03-31annualoriginal indexedS100IS4J
2019-12-31quarterlyoriginal indexedS100HVFH
2019-09-30quarterlyoriginal indexedS100H82I
2019-06-30quarterlyoriginal indexedS100GMPB
2019-03-31annualoriginal indexedS100G227
2018-12-31quarterlyoriginal indexedS100F2VV
2018-09-30quarterlyoriginal indexedS100EER9
2018-06-30quarterlyoriginal indexedS100DQ6W
2018-03-31annualoriginal indexedS100D7QF
2017-12-31quarterlypending downloadS100C8ST
2017-09-30quarterlypending downloadS100BNBF
2017-06-30quarterlypending downloadS100B1OH
2017-03-31annualpending downloadS100AF9V
2016-12-31quarterlypending downloadS1009KLF