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Koyosha

7946.TOther Products
In English · 6
Tue, Mar 17 · JST1 filing
11:38MATERIALKoyosha · Change in major shareholder
Fri, Apr 18 · JST1 filing
13:165% STAKEKoyosha · KOTA INUKAI + 1 joint holder · 19.47% → 22.90%+3.43pp
Fri, Mar 28 · JST2 filings
13:005% STAKEKoyosha · HIYOSHIDAIGAKUEN · 3.00% → 0.00%−3.00pp12:595% STAKEKoyosha · Hiyoshidaigakuen · 100.00% → 100.00%
Fri, Mar 7 · JST1 filing
16:33MATERIALKoyosha · Change in major shareholder
Mon, Mar 3 · JST1 filing
10:545% STAKEKoyosha · KOTA INUKAI + 1 joint holder · 10.33% → 19.47%+9.14pp
All EDINET filings · 79
AllFinancial 355% 15Material 6Other 23
FiledDocumentFilerSource
2026-09-10Share buyback reportKOYOSHA INC.S100Z15Y
2026-08-10Share buyback reportKOYOSHA INC.S100YVIP
2026-07-10Share buyback reportKOYOSHA INC.S100YPQ4
2026-06-26Material event reportKOYOSHA INC.S100YKRE
2026-06-26Internal control reportKOYOSHA INC.S100YLJ5
2026-06-26CEO/CFO certificationKOYOSHA INC.S100YLJ7
2026-06-26Annual reportKOYOSHA INC.S100YLWX
2026-06-10Share buyback reportKOYOSHA INC.S100Y9W1
2026-05-11Share buyback reportKOYOSHA INC.S100Y2MT
2026-04-10Share buyback reportKOYOSHA INC.S100XXX8
2026-03-17Material event reportKOYOSHA INC.S100XRD2
2026-03-10Share buyback reportKOYOSHA INC.S100XPNC
2026-02-10Share buyback reportKOYOSHA INC.S100XK9I
2026-01-15Share buyback reportKOYOSHA INC.S100XF8O
2025-11-10CEO/CFO certificationKOYOSHA INC.S100X04F
2025-11-10Half-year reportKOYOSHA INC.S100X049
2025-06-27CEO/CFO certificationKOYOSHA INC.S100W8LL
2025-06-27Internal control reportKOYOSHA INC.S100W8LD
2025-06-27Annual reportKOYOSHA INC.S100W8KE
2025-06-27Material event reportKOYOSHA INC.S100W7YK
2025-04-22Amended large shareholding reportAmends S100VN1YInukai KoutaS100VNHS
2025-04-18Large shareholding reportInukai KoutaS100VN1Y
2025-04-01Amended large shareholding reportAmends S100VIH7GakkouhoujinhiyoshidaigakuenS100VJJT
2025-04-01Amended large shareholding reportAmends S100VAK4GakkouhoujinhiyoshidaigakuenS100VJK8
2025-03-28Large shareholding reportGakkouhoujinhiyoshidaigakuenS100VIH7
2025-03-28Large shareholding reportGakkouhoujinhiyoshidaigakuenS100VAK4
2025-03-07Material event reportKOYOSHA INC.S100VD4W
2025-03-06Material event reportKOYOSHA INC.S100VCYM
2025-03-03Large shareholding reportInukai KoutaS100VBUA
2024-11-08CEO/CFO certificationKOYOSHA INC.S100UO28

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 indexedS100NF8A
2021-09-30quarterlyoriginal indexedS100MRTA
2021-06-30quarterlyoriginal indexedS100M73I
2021-03-31annualoriginal indexedS100LRO9
2020-12-31quarterlyoriginal indexedS100KTLL
2020-09-30quarterlyoriginal indexedS100K2S4
2020-06-30quarterlyoriginal indexedS100JFJC
2020-03-31annualoriginal indexedS100JC61
2019-12-31quarterlyoriginal indexedS100HXHD
2019-09-30quarterlyoriginal indexedS100HAB9
2019-06-30quarterlyoriginal indexedS100GQ3U
2019-03-31annualoriginal indexedS100GAOY
2018-12-31quarterlyoriginal indexedS100F3PW
2018-09-30quarterlyoriginal indexedS100EGQV
2018-06-30quarterlyoriginal indexedS100DUA3
2018-03-31annualoriginal indexedS100DGED
2017-12-31quarterlypending downloadS100CADU
2017-09-30quarterlypending downloadS100BP3Q
—annualpending downloadS100BBU9
2017-06-30quarterlypending downloadS100B5WD
2017-03-31annualpending downloadS100AQFN
2016-12-31quarterlypending downloadS1009N6H