Notice of Change in Major Shareholders | Open Door Inc. (3926) timely disclosure

Worth reading

35Immaterial

0–100. This measures how worthwhile something is to read, not how good or bad the company is.

Direction

Neutral

Direction inferred from the company’s description.

Scale

1.02

Increase in voting rights ownership percentage

Wording

Conditional

How definitive the wording is.

Change in major shareholders

Subject Entity

Kufu Company Holdings Inc. (major shareholder of the company)

Occurrence15 September 2026 (reference date for holdings after the change)

10 days later

Awareness or receipt of notice25 September 2026 (confirmed through the Large Shareholding Report (Amendment Report))

This disclosure10/01/2026

Change in voting rights ownership ratio

Shareholders Covered9.43％→10.45％（+1.02pt）

The voting rights ownership percentage is the proportion of the voting rights exercisable at a shareholders' meeting held by the shareholder.

Voting rights ownership percentage before the change

29,234 voting rights (2,923,400 shares), 9.43% (5 August 2026)

Voting rights ownership percentage after the change

32,400 voting rights (3,240,000 shares), 10.45% (15 September 2026)

Impact on Earnings Forecast

There are no matters requiring particular disclosure regarding the outlook at this time.

Related procedures

Court or authority

Kanto Local Finance Bureau

Outlook

This matter is based on the Large-Volume Holding Report (Amendment Report), and no matters requiring specific disclosure regarding the outlook are provided.

Event that occurred
Item	Details
Event name	Change in major shareholders
Date of occurrence	15 September 2026 (reference date for holdings after the change)
Date recognized / date notice received	25 September 2026 (confirmed through the Large Shareholding Report (Amendment Report))
Subject Entity	Kufu Company Holdings Inc. (major shareholder of the company)
Impact on Earnings Forecast	There are no matters requiring particular disclosure regarding the outlook at this time.
Court or authority	Kanto Local Finance Bureau
Voting rights ownership percentage before the change	29,234 voting rights (2,923,400 shares), 9.43% (5 August 2026)
Voting rights ownership percentage after the change	32,400 voting rights (3,240,000 shares), 10.45% (15 September 2026)
Outlook	This matter is based on the Large-Volume Holding Report (Amendment Report), and no matters requiring specific disclosure regarding the outlook are provided.

Items this document does not state (16)

Target Locations / ProductsCauseAmount of Impact on Business PerformanceAccounting period in which recognizedType of litigation or proceedingPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateInvestigation structureMeasures to prevent recurrenceDirectors' and officers' liabilityPlanned follow-up disclosure

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The change was confirmed through the Large Shareholding Report (Amendment Report) filed by Kufu Company Holdings Inc. with the Kanto Local Finance Bureau on 25 September 2026. No specific reason for the increase in the ownership percentage is stated.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.

Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.

Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.