Central Puerto buys back 87,337 shares on BYMA

Central Puerto S.A. executed a same-day share repurchase of 87,337 shares on BYMA for ARS 196.2 million, staying within the 25% average daily volume limit.

Rhea-AI Filing Summary

Central Puerto S.A. (CEPU) reports that it repurchased its own book-entry common shares on BYMA as a relevant event under Argentine securities regulations. On September 9, 2026, the company acquired 87,337 shares, each with a par value of ARS 1 and one vote, at an average price of ARS 2,246.09 per share, for a total cash outlay of ARS 196,167,548. The company states that the acquisitions made that day did not exceed 25% of the average daily trading volume of its shares over the prior ninety business days.

Filing Explained

The buyback table separates the September 9 transaction date from a September 10 trade-completion date, so as of the September 9 filing the repurchase’s completion was not yet established.

Key Figures

Shares repurchased: 87,337 shares Average price per share: ARS 2,246.09 Total cash amount: ARS 196,167,548 +2 more

5 metrics

Shares repurchased 87,337 shares Book-entry common shares repurchased on BYMA on September 9, 2026

Average price per share ARS 2,246.09 Average price paid for repurchased shares on BYMA

Total cash amount ARS 196,167,548 Cash outlay for the September 9, 2026 repurchase on BYMA

Trading volume limit 25% of average daily trading volume Stated maximum not exceeded on the repurchase date, based on prior 90 business days

Par value per share ARS 1 Par value of each book-entry common share repurchased

Key Terms

book-entry common shares, average daily trading volume, Ley de Mercado de Capitales, Comisión Nacional de Valores, +1 more

5 terms

book-entry common shares financial

"the Company has repurchased book-entry common shares with a par value of ARS $1"

average daily trading volume financial

"did not exceed 25% of the average daily trading volume of the Company’s shares"

The average daily trading volume is the typical number of shares or units of a security that change hands each trading day, calculated over a set period. It tells investors how active a market is—like average traffic on a road—so higher volume usually means easier, faster trades and smaller price swings when buying or selling, while low volume can make orders harder to fill and cause bigger price moves.

Ley de Mercado de Capitales regulatory

"under the terms of Article 64 and subsequent articles of the Ley de Mercado de Capitales"

Comisión Nacional de Valores regulatory

"the rules of the Comisión Nacional de Valores"

Relevant Event regulatory

"Ref.: Relevant Event"

FAQ

What share repurchase did CEPU report in the September 2026 Form 6-K?

Central Puerto S.A. reported that on September 9, 2026 it repurchased 87,337 common shares on BYMA at an average price of ARS 2,246.09 per share, for a total cash amount of ARS 196,167,548.

On which markets did CEPU execute the reported buyback on September 9, 2026?

The company reports repurchasing shares on BYMA on September 9, 2026. For the NYSE line in the table, all entries, including number of shares and prices, are shown as dashes.

What was the average price per CEPU share in the reported repurchase?

The average price per Central Puerto S.A. share in the reported repurchase was ARS 2,246.09 per share, as disclosed in the transaction table for the BYMA market trade dated September 9, 2026.

How much cash did CEPU use for the September 9, 2026 share repurchase?

Central Puerto S.A. states that the repurchase of 87,337 shares on BYMA involved a total cash amount of ARS 196,167,548, based on the disclosed average price of ARS 2,246.09 per share.

Did CEPU’s repurchase exceed 25% of its average daily trading volume?

No. The company states that the acquisitions made on that day did not exceed 25% of the average daily trading volume of its shares during the previous ninety business days.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/10/2026 - 07:53 AM Accepted by SEC EDGAR 09/10/2026 - 07:52 AM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 27a-16 or 15d-16
under the Securities Exchange Act of 1934

For the month of September, 2026

Commission File Number: 001-38376

Central Puerto S.A.

(Exact name of registrant as specified in its charter)

Port Central S.A.

(Translation of registrant’s name into English)

Avenida Thomas Edison 2701

C1104BAB Buenos Aires

Republic of Argentina

+54 (11) 4317-5000

(Address of principal executive offices)

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

Form 20-F [X] Form 40-F [_]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes [_] No [X]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes [_] No [X]

 

BUENOS AIRES, September 9, 2026

COMISIÓN NACIONAL DE VALORES (“CNV”)
Issuing Companies deputy management
25 de Mayo 175
Buenos Aires City
Attn.: Management of Issuing Companies
Present

BOLSAS Y MERCADOS ARGENTINOS S.A. (“BYMA”)
Sarmiento 299
Buenos Aires City
Present

MERCADO ABIERTO ELECTRÓNICO (“MAE”)
San Martin 344
Buenos Aires City
Present

Ref.: Relevant Event

Dear Sirs:

I am pleased to address you in my capacity as Head of Market Relations with Central Puerto S.A. (the “Company”), in compliance with the provisions of Article 11, Section II, Chapter I, Title II of the Rules of the Comisión Nacional de Valores (National Securities Commission) (N.T. 2013), in order to inform you that the Company has repurchased its own shares under the terms of Article 64 and subsequent articles of the Ley de Mercado de Capitales (Capital Markets Law) No. 26,831 and the rules of the Comisión Nacional de Valores.

In this regard, we inform you that the Company has repurchased book-entry common shares with a par value of ARS $1 (one peso) and entitled to 1 (one) vote each (the “Shares”), under the following details:

Market	Transaction Date	Trade completion Date	Number of Shares	Equivalent Number of Shares	Average Price per Share (ARS)	Total Cash Amount (ARS)
BYMA	09/09/2026	09/10/2026	87,337	87,337	2,246.09	196,167,548
NYSE	-	-	-	-	-	-

Furthermore, please be advised that the acquisitions made on the same day did not exceed 25% of the average daily trading volume of the Company’s shares during the previous ninety (90) business days.

Yours sincerely,

Leonardo Marinaro

Head of Market Relations

Central Puerto S.A.

Avda. Tomás A. Edison 2701 – C1104BAB – Ciudad de Buenos Aires – Argentina

Teléfono (54 11) 4317 5000 – Fax (54 11) 4317 5099

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.

				Central Puerto S.A.
Date: September 9, 2026				By:		/s/ Leonardo Marinaro
				Name:		Leonardo Marinaro
				Title:		Attorney-in-Fact