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Other Disclosures4019Stmn,Inc.Information and Communications, Services and Others

“TUNAG for UNION” App for Labor Unions Surpasses 400 Unions Using the Service

The number of unions using the TUNAG for UNION app exceeded 400. This represents an increase of 100 unions in approximately 10 months since surpassing 300 unions in November 2025, and support has expanded beyond the app to include study groups, AI implementation support, training and advisory services.

Worth reading
47Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
400
Unions (number of unions using the service)
Wording
Definitive
How definitive the wording is.

Announced details

TUNAG for UNIONLabor union study groupsLabor Union AICustom seminarsAdvisory
Applicable field (uses covered by this announcement)

Information sharing, communications, application and approval processes, union management, communication with union members, and operational digital transformation for labor unions

Launch dateJanuary 2022 (launch of TUNAG for UNION; track record)
What the company reported numerically
Quantitative Effects

The number of unions using the service increased by 100 in approximately 10 months after surpassing 300 unions

Usage history

Surpassed 400 unions (announcement as of 8 October 2026); 200 unions in October 2024 and 300 unions in November 2025

Location (as indicated in this announcement)

Tokyo headquarters: 5F Bancho Kojimachi Building, 6-6-2 Kojimachi, Chiyoda-ku, Tokyo / Nagoya headquarters: 1-14-8 Shimohiroicho, Nakamura-ku, Nagoya, Aichi

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Announced details
ItemDetails
Names of Products / Services CoveredTUNAG for UNION, Labor union study groups, Labor Union AI, Custom seminars, Advisory
Launch dateJanuary 2022 (launch of TUNAG for UNION; track record)
Applicable areaInformation sharing, communications, application and approval processes, union management, communication with union members, and operational digital transformation for labor unions
LocationTokyo headquarters: 5F Bancho Kojimachi Building, 6-6-2 Kojimachi, Chiyoda-ku, Tokyo / Nagoya headquarters: 1-14-8 Shimohiroicho, Nakamura-ku, Nagoya, Aichi
Quantitative EffectsThe number of unions using the service increased by 100 in approximately 10 months after surpassing 300 unions
Usage historySurpassed 400 unions (announcement as of 8 October 2026); 200 unions in October 2024 and 300 unions in November 2025
Items this document does not state (12)
CounterpartyCounterparty overviewRelationship with the CompanyContract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleImpact on Business PerformanceSource

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 has responded to labor unions’ need to centralize information, communicate information and digitize application processes, supporting information sharing and operational efficiency in union activities. It also explains that, in addition to providing the app, it offers ongoing support from implementation through adoption.

How to read this page

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
“TUNAG for UNION” App for Labor Unions Surpasses 400 Unions Using the Service | Stmn,Inc. (4019) timely disclosure | Komori