[6-K] TELECOM ARGENTINA SA Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Telecom Argentina S.A. reports that its board and the board of its controlled company Teledifusora San Miguel Arcangel S.A. (TSMA) have approved starting a corporate reorganization process. Under this plan, Telecom Argentina will act as the absorbing company and will merge TSMA as the absorbed company, with the merger becoming effective on January 1, 2026. From that date, TSMA’s operations will be treated as being carried out by Telecom Argentina.

The company also entrusted the preparation of a Consolidated Special Merger Financial Situation Statement for Telecom Argentina and TSMA as of December 31, 2025, based on special merger financial statements for each entity as of the same date. This indicates that financial reporting will be updated to reflect the new merged structure.

Insights

Equity analyst – Latin American telecoms

Telecom Argentina is absorbing a controlled subsidiary, consolidating operations from 2026.

The filing states that Telecom Argentina will merge with its controlled company TSMA, acting as the absorbing entity, with effect from January 1, 2026. From that date, TSMA’s operations will be considered to be carried out by Telecom Argentina, meaning the business currently in TSMA will be reported directly under the parent.

The planned Consolidated Special Merger Financial Situation Statement as of December 31, 2025 suggests a structured accounting approach to the reorganization. The document does not quantify assets, liabilities, or any merger consideration, so the financial impact cannot be assessed from this information alone.

Subsequent financial statements for periods after January 1, 2026 should reflect the merged structure and may provide more detail on how TSMA’s operations affect Telecom Argentina’s consolidated results.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of December 2025

Commission File Number: 001-13464

Telecom Argentina S.A.

(Translation of registrant’s name into English)

General Hornos, No. 690, 1272

Buenos Aires, Argentina

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F         x Form 40-F         ¨

Telecom Argentina S.A.

TABLE OF CONTENTS

Item

1. English translation of letter dated December 1, 2025, to the Argentine Securities & Exchange Commission (Comisión Nacional de Valores)

FREE TRANSLATION
Buenos Aires, December 1, 2025
Comisión Nacional de Valores

Re.: Report on relevant information

Conductive proceedings for a merger

Dear Sirs,

I am writing to you in my capacity as Attorney-in-fact of Telecom Argentina S.A. (“Telecom Argentina” or the “Company”), to inform you that the Board of Directors of the Company and the Board of Directors of Telecom Argentina’s controlled company TELEDIFUSORA SAN MIGUEL ARCANGEL S.A. (“TSMA”), in meetings held today, approved the initiation of the process of corporate reorganization by which Telecom Argentina (as absorbing company) will incorporate by merger TSMA (as absorbed company), effective January 1st, 2026, the date from which the operations of TSMA will be considered to be carried out by Telecom Argentina.

Additionally, it has been entrusted the timely preparation of the Consolidated Special Merger Financial Situation Statement of Telecom Argentina and TSMA as of December 31, 2025, based on the Individual Special Merger Financial Situation Statement of Telecom Argentina and the Special Merger Economic Situation Statement of TSMA to be prepared as of the same date.

Sincerely,

Telecom Argentina S.A.

/s/Andrea V. Cerdán

Attorney in fact

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		Telecom Argentina S.A.
Date:	December 1, 2025	By:	/s/ Luis Fernando Rial Ubago
			Name:	Luis Fernando Rial Ubago
			Title:	Responsible for Market Relations

FAQ

What merger did Telecom Argentina (TEO) announce in this 6-K?

The company announced that Telecom Argentina, as the absorbing company, will merge with its controlled company Teledifusora San Miguel Arcangel S.A. (TSMA), which will be the absorbed company.

When will the Telecom Argentina and TSMA merger become effective?

The merger is planned to be effective on January 1, 2026, from which date TSMA’s operations will be considered to be carried out by Telecom Argentina.

How will TSMA’s operations be treated after the merger with Telecom Argentina (TEO)?

From January 1, 2026, the operations of TSMA will be considered to be carried out directly by Telecom Argentina as the absorbing company.

What financial statements will be prepared for the Telecom Argentina–TSMA merger?

The boards entrusted the preparation of a Consolidated Special Merger Financial Situation Statement for Telecom Argentina and TSMA as of December 31, 2025, based on special merger statements for each company.

Does the Telecom Argentina (TEO) merger filing disclose financial terms or consideration?

The disclosure describes the corporate reorganization and effective date but does not provide specific figures on assets, liabilities, or any merger consideration.

Why is Telecom Argentina (TEO) preparing special merger financial statements?

Special merger financial statements as of December 31, 2025 are being prepared to support the corporate reorganization and to present the financial situation of Telecom Argentina and TSMA in the context of the merger.