Nihon Knowledge
5252.TInformation & Communication
Filed as Nihon Knowledge Co., Ltd. (2023-08–2023-08), Nihon Knowledge Co.Ltd. (2023-11–2024-11), Nihon Knowledge Co.,Ltd. (2025-06–2026-06)
In English · 14
Tue, Nov 10 · JST1 filing
16:025% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 10.85% → 8.45%−2.40ppThu, Nov 5 · JST1 filing
11:005% STAKENihon Knowledge · Wisteria Trust Co., Ltd. + 1 joint holder · 35.41%new 35.41%Mon, Nov 2 · JST2 filings
16:085% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 11.93% → 10.85%−1.08pp15:125% STAKENihon Knowledge · BUSINESS BRAIN SHOWAOTA INC · 20.37%new 20.37%Tue, Oct 20 · JST1 filing
15:585% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 12.99% → 11.93%−1.06ppFri, Sep 25 · JST1 filing
15:30MATERIALNihon Knowledge · Change in major shareholderTue, Jul 22 · JST1 filing
15:425% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 11.41% → 12.42%+1.01ppMon, May 12 · JST1 filing
15:525% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 10.19% → 11.41%+1.22ppMon, Apr 28 · JST1 filing
16:48MATERIALNihon Knowledge · Change in major shareholderWed, Apr 23 · JST1 filing
15:565% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 8.44% → 10.19%+1.75ppMon, Apr 21 · JST1 filing
15:425% STAKENihon Knowledge · Hikari Tsushin K.K. + 1 joint holder · 7.25% → 8.44%+1.19ppTue, Apr 15 · JST1 filing
15:555% STAKENihon Knowledge · Hikari Tsushin K.K. · 6.05% → 7.25%+1.20ppThu, Apr 3 · JST1 filing
15:555% STAKENihon Knowledge · Hikari Tsushin K.K. · 5.03% → 6.05%+1.02ppFri, Jan 10 · JST1 filing
15:435% STAKENihon Knowledge · Hikari Tsushin K.K. · 5.03%new 5.03%All EDINET filings · 45
| Filed | Document | Source |
|---|---|---|
| 2026-09-25 | Material event report | S100Z451 |
| 2026-09-25 | Securities registration | S100Z44S |
| 2026-06-29 | Material event report | S100YMYW |
| 2026-06-24 | CEO/CFO certification | S100YJOB |
| 2026-06-24 | Annual report | S100YJNJ |
| 2026-06-24 | Internal control report | S100YJNY |
| 2025-11-14 | Half-year report | S100X4RZ |
| 2025-11-14 | CEO/CFO certification | S100X4S4 |
| 2025-10-31 | Amended large shareholding reportAmends S100QISG | S100WXZ1 |
| 2025-10-31 | Large shareholding reportRelated to S100QG52 | S100WXZ4 |
| 2025-10-31 | Amended large shareholding reportAmends S100QG52 | S100WXYZ |
| 2025-09-29 | Large shareholding reportRelated to S100V1MD | S100WRB1 |
| 2025-07-31 | Amended material event reportAmends S100VOPJ | S100WFTA |
| 2025-07-22 | Large shareholding reportRelated to S100V1MD | S100WD77 |
| 2025-06-30 | Material event report | S100W9MD |
| 2025-06-26 | CEO/CFO certification | S100W7LB |
| 2025-06-26 | Internal control report | S100W7L6 |
| 2025-06-26 | Annual report | S100W7KW |
| 2025-05-12 | Large shareholding reportRelated to S100V1MD | S100VPBV |
| 2025-04-28 | Material event report | S100VOPJ |
| 2025-04-23 | Large shareholding reportRelated to S100V1MD | S100VNCU |
| 2025-04-21 | Large shareholding reportRelated to S100V1MD | S100VMHQ |
| 2025-04-15 | Large shareholding reportRelated to S100V1MD | S100VMEV |
| 2025-04-03 | Large shareholding reportRelated to S100V1MD | S100VJDI |
| 2025-01-10 | Large shareholding report | S100V1MD |
| 2024-11-14 | CEO/CFO certification | S100USF1 |
| 2024-11-14 | Half-year report | S100USEX |
| 2024-06-28 | Material event report | S100TXS6 |
| 2024-06-28 | Annual report | S100TXG9 |
| 2024-06-28 | Internal control report | S100TXGS |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected.