Central Puerto buys back 200,000 shares on BYMA

Central Puerto S.A. executed a BYMA share repurchase of 200,000 shares on September 8, 2026 within the 25% average-volume regulatory limit.

Rhea-AI Filing Summary

Central Puerto S.A. (CEPU) reported that it repurchased its own book-entry common shares in the Argentine market. On September 8, 2026, the company bought 200,000 shares on BYMA at an average price of ARS 2,228.84 per share, for a total of ARS 445,769,094. These acquisitions were carried out under the Argentine Capital Markets Law and National Securities Commission rules, and the company stated that purchases made that day did not exceed 25% of the average daily trading volume of its shares over the prior ninety business days.

Key Figures

Shares repurchased: 200,000 shares Average price per share: ARS 2,228.84 Total cash amount: ARS 445,769,094 +2 more

5 metrics

Shares repurchased 200,000 shares Book-entry common shares repurchased on BYMA on September 8, 2026

Average price per share ARS 2,228.84 Average repurchase price for shares bought on BYMA on September 8, 2026

Total cash amount ARS 445,769,094 Total consideration for the 200,000 shares repurchased on BYMA

Regulatory trading volume cap 25% of average daily trading volume Company states same-day acquisitions did not exceed this threshold over prior 90 business days

BYMA transaction date September 8, 2026 Date of BYMA market repurchase transaction

Key Terms

book-entry common shares, Capital Markets Law No. 26,831, average daily trading volume, National Securities Commission

4 terms

book-entry common shares financial

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

Capital Markets Law No. 26,831 regulatory

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

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.

National Securities Commission regulatory

"Title II of the Rules of the Comisión Nacional de Valores (National Securities Commission)"

FAQ

What share repurchase did CEPU report in this Form 6-K?

Central Puerto S.A. reported repurchasing 200,000 of its own common shares on BYMA on September 8, 2026 as part of its share buyback program under Argentine capital markets regulations.

At what price did CEPU repurchase shares on BYMA on September 8, 2026?

Central Puerto S.A. repurchased its shares on BYMA at an average price of ARS 2,228.84 per share on September 8, 2026.

What was the total cash amount used by CEPU for the September 8, 2026 buyback?

For the September 8, 2026 repurchase, Central Puerto S.A. used a total cash amount of ARS 445,769,094 to buy 200,000 common shares on BYMA.

Did CEPU repurchase any shares on the NYSE under this event?

No. The disclosure shows repurchases on BYMA only, with the NYSE row displaying dashes for the number of shares and all related fields, indicating no NYSE repurchase activity in this event.

Did CEPU’s September 8, 2026 share repurchases exceed the 25% average volume cap?

No. Central Puerto S.A. stated 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, complying with regulatory limits.

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

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Available on EDGAR 09/08/2026 - 05:05 PM Accepted by SEC EDGAR 09/08/2026 - 05:05 PM 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 8, 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	09/08/2026	09/08/2026	200,000	200,000	2,228.84	445,769,094
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 8, 2026				By:		/s/ Leonardo Marinaro
				Name:		Leonardo Marinaro
				Title:		Attorney-in-Fact