Notice of Change in Major Shareholders | TriIs Incorporated (4840) timely disclosure

Worth reading

29Immaterial

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

300

Decrease in voting rights (number)

Wording

Definitive

How definitive the wording is.

Changes in Major Shareholders

Subject Entity

TriIs Incorporated (filing company) and major shareholder Ikeda Yukiko (池田有希子)

Occurrence15 April 2026

7 days later

Awareness or receipt of notice22 April 2026 (confirmed based on the Large Shareholding Report (Change Report))

This disclosure04/22/2026

Change in voting rights ownership ratio

Shareholders Covered10.60％→9.22％（-1.38pt）

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

8,273 (827,300 shares), 10.60%, as of 31 December 2025; ranked second

Voting rights ownership percentage after the change

7,973 (797,300 shares), 9.22%, as of 15 April 2026

Impact on Earnings Forecast

This matter is based on the filing of a Change Report, and no specific information is provided regarding the outlook going forward.

Related procedures

Court or authority

Kanto Local Finance Bureau (the filing authority for the Large Shareholding Report (Change Report))

Outlook

This matter is based on the filing of a Change Report, and no specific information is provided regarding the outlook going forward.

Event that occurred
Item	Details
Event name	Changes in Major Shareholders
Date of occurrence	15 April 2026
Date recognized / date notice received	22 April 2026 (confirmed based on the Large Shareholding Report (Change Report))
Subject Entity	TriIs Incorporated (filing company) and major shareholder Ikeda Yukiko (池田有希子)
Impact on Earnings Forecast	This matter is based on the filing of a Change Report, and no specific information is provided regarding the outlook going forward.
Court or authority	Kanto Local Finance Bureau (the filing authority for the Large Shareholding Report (Change Report))
Voting rights ownership percentage before the change	8,273 (827,300 shares), 10.60%, as of 31 December 2025; ranked second
Voting rights ownership percentage after the change	7,973 (797,300 shares), 9.22%, as of 15 April 2026
Outlook	This matter is based on the filing of a Change Report, and no specific information is provided regarding the outlook going forward.

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 company states that it confirmed the change based on a Large Shareholding Report (Change Report) submitted by Ikeda Yukiko (池田有希子) to the Kanto Local Finance Bureau on 22 April 2026. No specific reason for the decrease in shares held is provided.

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.