Komori
Occurring Fact6736SUNCORPORATIONElectrical Equipment and Precision Instruments

Notice of Change in Major Shareholders

The voting rights held by ValueAct Japan Master Fund, L.P. increased from 18,900 to 23,742, and the voting rights ratio rose from 8.57% to 11.01%. The company confirmed that the fund thereby became a major shareholder.

Worth reading
28Immaterial
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
4842
Voting rights (increase)
Wording
Conditional
How definitive the wording is.

Changes in Major Shareholders

Subject Entity

ValueAct Japan Master Fund, L.P. (and its joint holders)

Occurrence14 April 2026
2 days later
Awareness or receipt of notice16 April 2026 (confirmed through the filing of a Large Shareholding Report (Change Report))
This disclosure04/17/2026

Change in voting rights ownership ratio

Shareholders Covered8.57%→11.01%(+2.44pt)

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

18,900 voting rights (1,890,000 shares), 8.57% (as of 2 October 2025)

Voting rights ownership percentage after the change

23,742 voting rights (2,374,200 shares), 11.01% (as of 31 March 2026)

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
ItemDetails
Event nameChanges in Major Shareholders
Date of occurrence14 April 2026
Date recognized / date notice received16 April 2026 (confirmed through the filing of a Large Shareholding Report (Change Report))
Subject EntityValueAct Japan Master Fund, L.P. (and its joint holders)
Court or authorityKanto Local Finance Bureau
Voting rights ownership percentage before the change18,900 voting rights (1,890,000 shares), 8.57% (as of 2 October 2025)
Voting rights ownership percentage after the change23,742 voting rights (2,374,200 shares), 11.01% (as of 31 March 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 (17)
Target Locations / ProductsCauseAmount of Impact on Business PerformanceAccounting period in which recognizedImpact on Earnings ForecastType 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.

A Large Shareholding Report (Change Report) jointly filed by the shareholder and its joint holders was submitted to the Kanto Local Finance Bureau on 16 April 2026, confirming the change in major shareholders.

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 of Change in Major Shareholders | SUNCORPORATION (6736) timely disclosure | Komori