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Headwaters

4011.TInformation & Communication
In English · 11
Fri, Nov 13 · JST1 filing
16:34MATERIALHeadwaters · Change in major shareholder
Mon, Aug 17 · JST1 filing
09:01MATERIALHeadwaters · Merger
Thu, Jun 18 · JST2 filings
16:565% STAKEHeadwaters · YUICHI INABA + 2 joint holders · 14.31%new 14.31%10:485% STAKEHeadwaters · YUICHI INABA + 2 joint holders · 28.54% → 14.31%−14.23pp
Wed, May 20 · JST1 filing
13:44MATERIALHeadwaters · Event with a material impact on financial position
Fri, May 1 · JST1 filing
15:57MATERIALHeadwaters · Change in major shareholder
Fri, Feb 13 · JST1 filing
15:30MATERIALHeadwaters · Change of independent auditor
Tue, Jan 27 · JST2 filings
09:02MATERIALHeadwaters · Change in parent company or specified subsidiary09:02MATERIALHeadwaters · Share exchange
Fri, Aug 22 · JST1 filing
15:47MATERIALHeadwaters · Change in parent company or specified subsidiary
Tue, Feb 18 · JST1 filing
10:25MATERIALHeadwaters · Change of independent auditor
All EDINET filings · 56
AllFinancial 205% 11Material 10Other 15
FiledDocumentFilerSource
2026-08-17Material event reportHeddouotasuS100YX64
2026-05-20Material event reportHeddouotasuS100Y5AF
2026-05-01Material event reportHeddouotasuS100Y1U1
2026-03-27Material event reportHeddouotasuS100XV44
2026-02-13Material event reportHeddouotasuS100XKPE
2026-01-27Material event reportHeddouotasuS100XHIK
2026-01-27Material event reportHeddouotasuS100XHIL
2025-08-22Material event reportHeddouotasuS100WKVM
2025-03-28Material event reportHeddouotasuS100VIPR
2025-02-18Material event reportHeddouotasuS100V9KC

EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected. 7 financial reports not structured yet.

Not structured yet
2022-03-31quarterlyoriginal indexedS100O1I7
2021-12-31annualoriginal indexedS100NRTJ
2021-09-30quarterlyoriginal indexedS100MTJS
2021-06-30quarterlyoriginal indexedS100M9JU
2021-03-31quarterlyoriginal indexedS100LBN2
2020-12-31annualoriginal indexedS100L2GN
2020-09-30quarterlyoriginal indexedS100K4YR