The Why How Do
3823.TTSE STANDARDInformation & Communication
Filed as THE WHY HOW DO COMPANY,Inc. (2022-07–2024-07), Acrodea, Inc. (2024-08–2024-11)
In English · 39
Fri, Jul 31 · JST1 filing
15:42MATERIALThe Why How Do · Share exchangeThu, Apr 30 · JST1 filing
15:52MATERIALThe Why How Do · Event with a material impact on financial positionTue, Apr 28 · JST1 filing
15:305% STAKEThe Why How Do · Long Corridor Asset Management Limited · 11.99% → 8.76%−3.23ppTue, Apr 21 · JST1 filing
15:515% STAKEThe Why How Do · Long Corridor Asset Management Limited · 15.09% → 11.99%−3.10ppFri, Apr 17 · JST1 filing
15:495% STAKEThe Why How Do · kizan · 5.71%new 5.71%Thu, Apr 16 · JST1 filing
16:16MATERIALThe Why How Do · Share exchangeWed, Apr 15 · JST2 filings
15:445% STAKEThe Why How Do · Long Corridor Asset Management Limited · 15.09%new 15.09%09:20MATERIALThe Why How Do · Event with a material impact on financial positionFri, Mar 27 · JST1 filing
17:00MATERIALThe Why How Do · Change in parent company or specified subsidiaryThu, Jan 15 · JST1 filing
16:09MATERIALThe Why How Do · Event with a material impact on financial positionFri, Sep 19 · JST2 filings
16:145% STAKEThe Why How Do · Tanabe katsuki · 22.71% → 24.03%+1.32pp16:09MATERIALThe Why How Do · Change in major shareholderThu, Sep 18 · JST1 filing
16:18MATERIALThe Why How Do · Change in parent company or specified subsidiaryThu, Jul 24 · JST1 filing
15:585% STAKEThe Why How Do · Tanabe katsuki · 31.25% → 22.71%−8.54ppFri, Jul 18 · JST1 filing
17:075% STAKEThe Why How Do · Tanabe katsuki · 32.85% → 31.25%−1.60ppWed, Jul 16 · JST1 filing
16:08MATERIALThe Why How Do · Change of representative directorMon, Jul 14 · JST1 filing
16:46MATERIALThe Why How Do · Event with a material impact on financial positionTue, May 27 · JST1 filing
16:37MATERIALThe Why How Do · Change of representative directorFri, Apr 25 · JST1 filing
14:275% STAKEThe Why How Do · Tanabe katsuki · 29.60% → 32.84%+3.24ppMon, Apr 14 · JST1 filing
15:49MATERIALThe Why How Do · Event with a material impact on financial positionWed, Mar 26 · JST1 filing
16:055% STAKEThe Why How Do · Kowa Company, Ltd. · 8.88% → 0.94%−7.94ppFri, Feb 7 · JST2 filings
15:315% STAKEThe Why How Do · Tanabe katsuki · 29.60% → 32.84%+3.24pp15:045% STAKEThe Why How Do · Tanabe katsuki · 31.02% → 29.60%−1.42ppFri, Jan 31 · JST1 filing
13:345% STAKEThe Why How Do · Evo Fund + 1 joint holder · 5.77% → 4.27%−1.50ppThu, Jan 30 · JST1 filing
13:555% STAKEThe Why How Do · Evo Fund + 1 joint holder · 7.31% → 5.77%−1.54ppWed, Jan 29 · JST2 filings
15:42MATERIALThe Why How Do · Event with a material impact on financial position10:505% STAKEThe Why How Do · Evo Fund + 1 joint holder · 8.73% → 7.31%−1.42ppTue, Jan 28 · JST1 filing
13:395% STAKEThe Why How Do · Evo Fund + 1 joint holder · 11.82% → 8.73%−3.09ppMon, Jan 27 · JST1 filing
11:305% STAKEThe Why How Do · Evo Fund + 1 joint holder · 13.08% → 11.82%−1.26ppFri, Jan 24 · JST1 filing
13:525% STAKEThe Why How Do · Evo Fund + 1 joint holder · 15.60% → 13.08%−2.52ppThu, Jan 23 · JST1 filing
10:525% STAKEThe Why How Do · Evo Fund + 1 joint holder · 17.69% → 15.60%−2.09ppWed, Jan 22 · JST1 filing
10:325% STAKEThe Why How Do · Evo Fund + 1 joint holder · 20.65% → 17.69%−2.96ppMon, Jan 20 · JST1 filing
15:445% STAKEThe Why How Do · HOSHIYAMA KAZUHIKO · 8.58% → 0.00%−8.58ppTue, Jan 14 · JST1 filing
16:09MATERIALThe Why How Do · Event with a material impact on financial positionThu, Dec 5 · JST1 filing
10:515% STAKEThe Why How Do · Evo Fund + 1 joint holder · 21.81% → 20.65%−1.16ppFri, Nov 29 · JST1 filing
13:305% STAKEThe Why How Do · Evo Fund + 1 joint holder · 23.06% → 21.81%−1.25ppFri, Nov 8 · JST1 filing
13:195% STAKEThe Why How Do · Evo Fund + 1 joint holder · 22.47% → 23.06%+0.59ppFri, Nov 1 · JST1 filing
10:565% STAKEThe Why How Do · Tanabe katsuki · 10.36% → 34.44%+24.08ppFri, Oct 18 · JST1 filing
17:13MATERIALThe Why How Do · Event with a material impact on financial positionAll EDINET filings · 177
| Filed | Document | Source |
|---|---|---|
| 2026-09-17 | Large shareholding report | S100Z2HC |
| 2026-08-28 | Amended large shareholding reportAmends S100XVBT | S100YZ3D |
| 2026-08-28 | Amended large shareholding reportAmends S100WPR0 | S100YZ35 |
| 2026-07-31 | Material event report | S100YTKE |
| 2026-07-30 | CEO/CFO certification | S100YTBT |
| 2026-07-30 | Internal control report | S100YTBQ |
| 2026-07-30 | Annual report | S100YTBE |
| 2026-07-30 | Material event report | S100YTBB |
| 2026-06-12 | Large shareholding report | S100YB00 |
| 2026-06-05 | Amended large shareholding reportAmends S100XXIC | S100Y83W |
| 2026-05-29 | Amended large shareholding reportAmends S100Y78F | S100Y7GM |
| 2026-05-28 | Large shareholding report | S100Y78F |
| 2026-05-22 | Large shareholding report | S100Y55Z |
| 2026-05-08 | Amended material event reportAmends S100XZFK | S100Y2LT |
| 2026-04-30 | Material event report | S100Y1OX |
| 2026-04-30 | Large shareholding report | S100Y1JJ |
| 2026-04-28 | Large shareholding report | S100Y0H8 |
| 2026-04-21 | Large shareholding report | S100XZP4 |
| 2026-04-17 | Amended material event reportAmends S100XV6X | S100XZNN |
| 2026-04-17 | Large shareholding report | S100XXIC |
| 2026-04-16 | Material event report | S100XZFK |
| 2026-04-15 | Large shareholding report | S100XXE6 |
| 2026-04-15 | Material event report | S100XYXJ |
| 2026-04-15 | CEO/CFO certification | S100XYXG |
| 2026-04-15 | Half-year report | S100XYXF |
| 2026-04-03 | Large shareholding report | S100XVBT |
| 2026-03-27 | Securities registration | S100XV7C |
| 2026-03-27 | Material event report | S100XV6X |
| 2026-03-25 | Material event report | S100XU1W |
| 2026-01-15 | Material event report | S100XG4F |
EDINET catalog 2017-01-01 → 2026-10-03; earlier dates still being collected. 23 financial reports not structured yet.
Not structured yet
| 2022-02-28 | quarterly | original indexed | S100NWIC |
| 2021-11-30 | quarterly | original indexed | S100N8CK |
| — | annual | original indexed | S100N8AE |
| 2021-08-31 | annual | original indexed | S100MYOP |
| 2021-05-31 | quarterly | original indexed | S100M0DJ |
| 2021-02-28 | quarterly | original indexed | S100L6ET |
| 2020-11-30 | quarterly | original indexed | S100KJEA |
| 2020-08-31 | annual | original indexed | S100KA6M |
| 2020-05-31 | quarterly | original indexed | S100J8XL |
| 2020-02-29 | quarterly | original indexed | S100IG27 |
| 2019-11-30 | quarterly | original indexed | S100HQUV |
| 2019-08-31 | annual | original indexed | S100HHDF |
| 2019-05-31 | quarterly | original indexed | S100GHOJ |
| 2019-02-28 | quarterly | original indexed | S100FMOH |
| 2018-11-30 | quarterly | original indexed | S100EXM3 |
| 2018-08-31 | annual | original indexed | S100ENKZ |
| 2018-05-31 | quarterly | original indexed | S100DN1G |
| 2018-02-28 | quarterly | original indexed | S100CSU4 |
| 2017-11-30 | quarterly | pending download | S100C4FL |
| 2017-08-31 | annual | pending download | S100BVFW |
| 2017-05-31 | quarterly | pending download | S100AWDN |
| 2017-02-28 | quarterly | pending download | S100A2ZA |
| 2016-11-30 | quarterly | pending download | S1009GEZ |