Komori
Occurring Fact5915KOMAIHALTEC Inc.Construction and Materials

Notice Regarding Changes in Major Shareholders and the Largest Shareholder Among Major Shareholders

Son Yu Nin's voting rights ownership percentage increased from 9.25% (418,200 shares) as of 23 April 2026 to 10.37% (468,700 shares) as of 18 May 2026. The Company disclosed that Son Yu Nin thereby became a major shareholder and the largest shareholder among the Company's major shareholders.

Worth reading
24Immaterial
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
1.12
Percentage points (voting rights ownership ratio)
Wording
Conditional
How definitive the wording is.

Change in Major Shareholders and the Largest Shareholder Among Major Shareholders

Subject Entity

KOMAIHALTEC Inc. (filing company) and Son Yu Nin (shareholder)

Occurrence18 May 2026 (reporting obligation date)
7 days later
Awareness or receipt of notice25 May 2026 (the date on which the Large Shareholding Report (Amendment Report) was submitted by Son Yu Nin)
This disclosure05/28/2026
Cause

A Large Shareholding Report (Amendment Report) dated 25 May 2026, with a reporting obligation date of 18 May 2026, was submitted by Son Yu Nin to the Kanto Local Finance Bureau.

Change in voting rights ownership ratio

Shareholders Covered9.25%→10.37%(+1.12pt)

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

4,182 voting rights (418,200 shares), 9.25% (23 April 2026)

Voting rights ownership percentage after the change

4,687 voting rights (468,700 shares), 10.37% (18 May 2026)

Related procedures

Type

Submission of a Large Shareholding Report (Change Report)

Court or authority

Kanto Local Finance Bureau

Impact on Earnings Forecast

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

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
ItemDetails
Event nameChange in Major Shareholders and the Largest Shareholder Among Major Shareholders
Date of occurrence18 May 2026 (reporting obligation date)
Date recognized / date notice received25 May 2026 (the date on which the Large Shareholding Report (Amendment Report) was submitted by Son Yu Nin)
Subject EntityKOMAIHALTEC Inc. (filing company) and Son Yu Nin (shareholder)
CauseA Large Shareholding Report (Amendment Report) dated 25 May 2026, with a reporting obligation date of 18 May 2026, was submitted by Son Yu Nin to the Kanto Local Finance Bureau.
Impact on Earnings ForecastThere are no matters requiring particular disclosure regarding the outlook at this time.
Type of litigation or proceedingSubmission of a Large Shareholding Report (Change Report)
Court or authorityKanto Local Finance Bureau
Voting rights ownership percentage before the change4,182 voting rights (418,200 shares), 9.25% (23 April 2026)
Voting rights ownership percentage after the change4,687 voting rights (468,700 shares), 10.37% (18 May 2026)
OutlookThis 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 (14)
Target Locations / ProductsAmount of Impact on Business PerformanceAccounting period in which recognizedPlaintiffDefendantDate 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.

Son Yu Nin submitted a Large Shareholding Report (Amendment Report) to the Kanto Local Finance Bureau, and the Company confirmed the change. The Company has not been able to confirm the number of shares beneficially owned in Son Yu Nin's name.

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.
Notice Regarding Changes in Major Shareholders and the Largest Shareholder Among Major Shareholders | KOMAIHALTEC Inc. (5915) timely disclosure | Komori