Headwaters
4011.TInformation & Communication
Filed as Headwaters Co., Ltd (2022-08–2026-08)
In English · 10
Mon, Aug 17 · JST1 filing
09:01MATERIALHeadwaters · MergerThu, 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%−14.23ppWed, May 20 · JST1 filing
13:44MATERIALHeadwaters · Event with a material impact on financial positionFri, May 1 · JST1 filing
15:57MATERIALHeadwaters · Change in major shareholderFri, Feb 13 · JST1 filing
15:30MATERIALHeadwaters · Change of independent auditorTue, Jan 27 · JST2 filings
09:02MATERIALHeadwaters · Change in parent company or specified subsidiary09:02MATERIALHeadwaters · Share exchangeFri, Aug 22 · JST1 filing
15:47MATERIALHeadwaters · Change in parent company or specified subsidiaryTue, Feb 18 · JST1 filing
10:25MATERIALHeadwaters · Change of independent auditorAll EDINET filings · 56
| Filed | Document | Source |
|---|---|---|
| 2026-08-17 | CEO/CFO certification | S100YX60 |
| 2026-08-17 | Material event report | S100YX64 |
| 2026-08-17 | Half-year report | S100YX6B |
| 2026-06-18 | Large shareholding report | S100YE4T |
| 2026-06-18 | Amended large shareholding reportAmends S100YD5N | S100YE64 |
| 2026-06-18 | Large shareholding report | S100YD5N |
| 2026-05-20 | Material event report | S100Y5AF |
| 2026-05-01 | Material event report | S100Y1U1 |
| 2026-03-27 | Material event report | S100XV44 |
| 2026-03-27 | CEO/CFO certification | S100XUSM |
| 2026-03-27 | Annual report | S100XUSL |
| 2026-03-27 | Internal control report | S100XUSN |
| 2026-02-13 | Material event report | S100XKPE |
| 2026-01-27 | Material event report | S100XHIK |
| 2026-01-27 | Material event report | S100XHIL |
| 2025-08-22 | Material event report | S100WKVM |
| 2025-08-14 | CEO/CFO certification | S100WIX2 |
| 2025-08-14 | Half-year report | S100WJ33 |
| 2025-03-28 | Internal control report | S100VGDE |
| 2025-03-28 | CEO/CFO certification | S100VGDF |
| 2025-03-28 | Annual report | S100VGDD |
| 2025-03-28 | Material event report | S100VIPR |
| 2025-02-18 | Material event report | S100V9KC |
| 2024-12-05 | Large shareholding report | S100UVPP |
| 2024-08-14 | Half-year report | S100U7UE |
| 2024-08-14 | CEO/CFO certification | S100U7RO |
| 2024-05-15 | Quarterly report | S100TERW |
| 2024-05-15 | CEO/CFO certification | S100TES0 |
| 2024-03-29 | CEO/CFO certification | S100T63C |
| 2024-03-29 | Internal control report | S100T636 |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected. 7 financial reports not structured yet.
Not structured yet
| 2022-03-31 | quarterly | original indexed | S100O1I7 |
| 2021-12-31 | annual | original indexed | S100NRTJ |
| 2021-09-30 | quarterly | original indexed | S100MTJS |
| 2021-06-30 | quarterly | original indexed | S100M9JU |
| 2021-03-31 | quarterly | original indexed | S100LBN2 |
| 2020-12-31 | annual | original indexed | S100L2GN |
| 2020-09-30 | quarterly | original indexed | S100K4YR |