Komori
Occurring Fact4584Kidswell Bio CorporationPharmaceuticals

Notice Regarding a Change in Other Affiliated Company

Noritsu Koki Co.,Ltd. ceased to be an “Other Affiliated Company” of Kidswell Bio Corporation and now holds only the status of a major shareholder. Its voting rights ownership ratio declined from 19.09% to 19.08%, but the change is not expected to affect consolidated results or other related matters.

Worth reading
32Immaterial
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
0.01
Decrease in voting rights ownership ratio (percentage points)
Wording
Definitive
How definitive the wording is.

Change in Other Affiliated Company

Subject Entity

Noritsu Koki Co.,Ltd. (shareholder whose status changed) / Kidswell Bio Corporation (filing company)

Occurrence28 May 2026 (after the change)
Awareness or receipt of notice18 May 2026 (the date Noritsu Koki Co.,Ltd. filed its Large Shareholding Report; the date recognized by the company was Not disclosed)
This disclosure05/28/2026
Cause

A comprehensive determination based not only on the formal shareholding ratio but also on whether the company had substantive influence, taking into account the extent of its involvement in management and other factors

Amount of Impact on Business Performance

No amount stated. There is no impact on consolidated results or other related matters.

Accounting period in which recognized

The accounting period in which the impact on results is recorded is not stated. The classification of the affiliated company is based on the position as of 31 March 2026.

Impact on Earnings Forecast

This change in the Other Affiliated Company is not expected to affect the company's consolidated results or other related matters.

Change in voting rights ownership ratio

Shareholders Covered19.09%→19.08%(-0.01pt)

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

94,718 voting rights (19.09%); no shares subject to aggregation. Reference date: 31 March 2026

Voting rights ownership percentage after the change

94,678 voting rights (19.08%); no shares subject to aggregation. After the change: 28 May 2026. This is stated based on the shareholder registry as of 31 March 2026 and the changes reported in the Large Shareholding Report filed on 18 May 2026.

Outlook

This change in the Other Affiliated Company is not expected to affect the company's consolidated results or other related matters.

Event that occurred
ItemDetails
Event nameChange in Other Affiliated Company
Date of occurrence28 May 2026 (after the change)
Date recognized / date notice received18 May 2026 (the date Noritsu Koki Co.,Ltd. filed its Large Shareholding Report; the date recognized by the company was Not disclosed)
Subject EntityNoritsu Koki Co.,Ltd. (shareholder whose status changed) / Kidswell Bio Corporation (filing company)
CauseA comprehensive determination based not only on the formal shareholding ratio but also on whether the company had substantive influence, taking into account the extent of its involvement in management and other factors
Amount of Impact on Business PerformanceNo amount stated. There is no impact on consolidated results or other related matters.
Accounting period in which recognizedThe accounting period in which the impact on results is recorded is not stated. The classification of the affiliated company is based on the position as of 31 March 2026.
Impact on Earnings ForecastThis change in the Other Affiliated Company is not expected to affect the company's consolidated results or other related matters.
Voting rights ownership percentage before the change94,718 voting rights (19.09%); no shares subject to aggregation. Reference date: 31 March 2026
Voting rights ownership percentage after the change94,678 voting rights (19.08%); no shares subject to aggregation. After the change: 28 May 2026. This is stated based on the shareholder registry as of 31 March 2026 and the changes reported in the Large Shareholding Report filed on 18 May 2026.
OutlookThis change in the Other Affiliated Company is not expected to affect the company's consolidated results or other related matters.
Items this document does not state (14)
Target Locations / ProductsType of litigation or proceedingCourt or authorityPlaintiffDefendantDate 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 determination was made comprehensively based not only on the formal shareholding ratio but also on whether the company had substantive influence, taking into account the extent of its involvement in management and other factors.

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 a Change in Other Affiliated Company | Kidswell Bio Corporation (4584) timely disclosure | Komori