Komori
Occurring Fact4371Core Concept Technologies Inc.Information and Communications, Services and Others

Notice of Change in Major Shareholders

The number of shares held by SIGMAXYZ Holdings Inc. increased from 1,217,300 as of 15 April 2026 to 1,684,800 as of 20 April 2026, and its voting rights ownership ratio rose from 7.63% to 10.56%.

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
467500
Shares (increase in number of shares held)
Wording
Conditional
How definitive the wording is.

Changes in Major Shareholders

Subject Entity

SIGMAXYZ Holdings Inc.

Occurrence20 April 2026 (date of the change in major shareholder)
7 days later
Awareness or receipt of notice27 April 2026 (date on which the company confirmed the filing of the Large-Volume Holding Report (Amendment Report) and recognized the change)
Same day
Litigation / administrative action27 April 2026 (date the Large-Volume Holding Report (Amendment Report) was filed)
This disclosure04/28/2026

Change in voting rights ownership ratio

SIGMAXYZ Holdings Inc.7.63%→10.56%(+2.93pt)

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

12,173 voting rights (1,217,300 shares), 7.63% (as of 15 April 2026)

Voting rights ownership percentage after the change

16,848 voting rights (1,684,800 shares), 10.56% (as of 20 April 2026)

Impact on Earnings Forecast

No matters requiring specific disclosure regarding the outlook are provided.

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 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 occurrence20 April 2026 (date of the change in major shareholder)
Date recognized / date notice received27 April 2026 (date on which the company confirmed the filing of the Large-Volume Holding Report (Amendment Report) and recognized the change)
Subject EntitySIGMAXYZ Holdings Inc.
Impact on Earnings ForecastNo matters requiring specific disclosure regarding the outlook are provided.
Court or authorityKanto Local Finance Bureau (the filing authority for the Large Shareholding Report (Change Report))
Date of filing / date of action27 April 2026 (date the Large-Volume Holding Report (Amendment Report) was filed)
Voting rights ownership percentage before the change12,173 voting rights (1,217,300 shares), 7.63% (as of 15 April 2026)
Voting rights ownership percentage after the change16,848 voting rights (1,684,800 shares), 10.56% (as of 20 April 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 (15)
Target Locations / ProductsCauseAmount of Impact on Business PerformanceAccounting period in which recognizedType of litigation or proceedingPlaintiffDefendantClaim 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 explains that it recognized the change after confirming that SIGMAXYZ Holdings Inc. had filed a Large-Volume Holding Report (Amendment Report) with the Kanto Local Finance Bureau on 27 April 2026. The filing does not state the reason for the increase in the number of shares held.

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 | Core Concept Technologies Inc. (4371) timely disclosure | Komori