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Seiko

6286.TTSE STANDARDMachinery
In English · 6
Tue, May 12 · JST1 filing
13:495% STAKESeiko · SUZUYO HOLDINGS Co., Ltd + 3 joint holders · 28.26% → 33.09%+4.83pp
Tue, Mar 10 · JST1 filing
16:025% STAKESeiko · TMK + 2 joint holders · 16.58% → 15.39%−1.19pp
Wed, May 14 · JST1 filing
17:035% STAKESeiko · Takanori Suzuki · 7.34%new 7.34%
Tue, May 13 · JST1 filing
14:09MATERIALSeiko · Change in major shareholder
Fri, May 9 · JST1 filing
12:085% STAKESeiko · TMK + 2 joint holders · 22.75% → 16.58%−6.17pp
Fri, Oct 18 · JST1 filing
12:255% STAKESeiko · Keiko Suzuki + 2 joint holders · 23.88% → 22.75%−1.13pp
All EDINET filings · 66
AllFinancial 345% 11Material 4Other 17
FiledDocumentFilerSource
2026-06-24Internal control reportSEIKO CORPORATIONS100YHL8
2026-06-24CEO/CFO certificationSEIKO CORPORATIONS100YHL9
2025-11-14CEO/CFO certificationSEIKO CORPORATIONS100X35G
2025-06-25Internal control reportSEIKO CORPORATIONS100W3WT
2025-06-25CEO/CFO certificationSEIKO CORPORATIONS100W3WY
2024-11-14CEO/CFO certificationSEIKO CORPORATIONS100UR81
2024-06-26CEO/CFO certificationSEIKO CORPORATIONS100TSDR
2024-06-26Internal control reportSEIKO CORPORATIONS100TSDY
2024-02-09CEO/CFO certificationSEIKO CORPORATIONS100SSI0
2023-11-10CEO/CFO certificationSEIKO CORPORATIONS100S6F7
2023-06-28CEO/CFO certificationSEIKO CORPORATIONS100R45G
2023-06-28Internal control reportSEIKO CORPORATIONS100R45P
2023-02-10Amended securities registrationRelated to S100Q15XSEIKO CORPORATIONS100Q6N5
2023-02-08Amended securities registrationRelated to S100Q15XSEIKO CORPORATIONS100Q4EV
2023-01-27Securities registrationSEIKO CORPORATIONS100Q15X
2022-06-24CEO/CFO certificationSEIKO CORPORATIONS100OFDK
2022-06-24Internal control reportSEIKO CORPORATIONS100OFDQ

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 indexedS100NFW4
2021-09-30quarterlyoriginal indexedS100MT3R
2021-06-30quarterlyoriginal indexedS100M7PE
2021-03-31annualoriginal indexedS100LOQC
2020-12-31quarterlyoriginal indexedS100KS3R
2020-09-30quarterlyoriginal indexedS100K5A8
2020-06-30quarterlyoriginal indexedS100JHNT
2020-03-31annualoriginal indexedS100J0HK
2019-12-31quarterlyoriginal indexedS100HZN2
2019-09-30quarterlyoriginal indexedS100HDSL
2019-06-30quarterlyoriginal indexedS100GP28
2019-03-31annualoriginal indexedS100G6T0
2018-12-31quarterlyoriginal indexedS100F4QW
2018-09-30quarterlyoriginal indexedS100EGR3
2018-06-30quarterlyoriginal indexedS100DU4G
2018-03-31annualoriginal indexedS100DDNQ
2017-12-31quarterlypending downloadS100CADZ
2017-09-30quarterlypending downloadS100BQ6I
2017-06-30quarterlypending downloadS100B3B0
2017-03-31annualpending downloadS100ALPK
2016-12-31quarterlypending downloadS1009MGH