Komori
Occurring Fact268ARigaku Holdings CorporationElectrical Equipment and Precision Instruments

Notice of Change in Major Shareholders

Shimu​​ra Akira (志村 晶) is scheduled to sell a portion of the Company's common shares that he holds to 飛鳥, an asset management company, on 2 September 2026. His holdings are expected to change from 27,476,600 shares to 21,476,600 shares, while his voting rights ownership ratio is expected to change from 12.14% to 9.49%.

Worth reading
30Immaterial
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
6000000
Shares (60,000 voting rights, a 2.65-percentage-point decrease in voting rights ownership ratio)
Wording
Avoiding a definitive answer
How definitive the wording is.

Change in major shareholders

Subject Entity

Shimu​​ra Akira (志村 晶) (joint holder: 飛鳥)

Target Locations / Products

The Company's common shares

Occurrence2 September 2026 (scheduled date of the change)
Awareness or receipt of notice27 August 2026 (recognized upon the filing of a Large-Volume Holding Report (Amendment Report))
This disclosure08/27/2026
Cause

A report that Shimu​​ra Akira (志村 晶) plans to sell a portion of the Company's common shares that he holds to 飛鳥, an asset management company. The sale constitutes an exception to, and is permitted under, the lock-up agreement.

Change in voting rights ownership ratio

Shareholders Covered12.14％→9.49％（-2.65pt）

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

274,766 voting rights (27,476,600 shares), 12.14%. As of 30 June 2026. Ranked 2nd among major shareholders.

Voting rights ownership percentage after the change

214,766 voting rights (21,476,600 shares), 9.49%. As of 2 September 2026. No ranking among major shareholders stated.

Impact on Earnings Forecast

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

Related procedures

Court or authority

Director-General of the 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
ItemDetails
Event nameChange in major shareholders
Date of occurrence2 September 2026 (scheduled date of the change)
Date recognized / date notice received27 August 2026 (recognized upon the filing of a Large-Volume Holding Report (Amendment Report))
Subject EntityShimu​​ra Akira (志村 晶) (joint holder: 飛鳥)
Target Locations / ProductsThe Company's common shares
CauseA report that Shimu​​ra Akira (志村 晶) plans to sell a portion of the Company's common shares that he holds to 飛鳥, an asset management company. The sale constitutes an exception to, and is permitted under, the lock-up agreement.
Impact on Earnings ForecastThis matter is based on the Large-Volume Holding Report (Amendment Report), and no matters requiring specific disclosure regarding the outlook are provided.
Court or authorityDirector-General of the Kanto Local Finance Bureau
Voting rights ownership percentage before the change274,766 voting rights (27,476,600 shares), 12.14%. As of 30 June 2026. Ranked 2nd among major shareholders.
Voting rights ownership percentage after the change214,766 voting rights (21,476,600 shares), 9.49%. As of 2 September 2026. No ranking among major shareholders stated.
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)
Amount 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 received a report from Shimu​​ra Akira (志村 晶) that he plans to sell a portion of the Company's common shares that he holds to 飛鳥. The Company also explained that the sale constitutes an exception to, and is permitted under, the lock-up agreement.

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.
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