Central Puerto buys back 120,000 shares for AR$243M

The same-day acquisitions did not exceed 25% of the average daily trading volume over the previous 90 business days.

Rhea-AI Filing Summary

Central Puerto S.A. (CEPU) and its wholly owned subsidiary Proener S.A.U. acquired the company’s book-entry ordinary shares. On October 7, 2026, Central Puerto acquired 120,000 shares through BYMA at an average price of AR$ 2,023.41, reporting a total cash amount of AR$ 242,809,363; trade completion was October 8, 2026.

On October 7, 2026, Proener acquired 30,000 ADRs through NYSE, equivalent to 300,000 ordinary shares, at an average price of USD 12.62, with a reported total cash amount of USD 378,767.86; trade completion was October 8, 2026. The same-day acquisitions did not exceed 25% of the average daily trading volume over the previous 90 business days. Each ordinary share has a par value of AR$ 1 and carries one vote.

Key Figures

Central Puerto shares acquired: 120,000 shares Central Puerto average price: AR$ 2,023.41 Central Puerto total cash amount: AR$ 242,809,363 +5 more

8 metrics

Central Puerto shares acquired 120,000 shares October 7, 2026, through BYMA

Central Puerto average price AR$ 2,023.41 Shares acquired through BYMA

Central Puerto total cash amount AR$ 242,809,363 Shares acquired through BYMA

Proener ADRs acquired 30,000 ADRs October 7, 2026, through NYSE

Equivalent number of shares 300,000 shares Equivalent to Proener’s 30,000 ADRs

Proener average price USD 12.62 ADR acquisitions through NYSE

Proener total cash amount USD 378,767.86 ADR acquisitions through NYSE

Trading-volume limit 25% Of average daily trading volume during the previous 90 business days

Key Terms

treasury shares, book-entry ordinary shares, average daily trading volume

3 terms

treasury shares financial

"acquired treasury shares issued by the Company"

Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.

book-entry ordinary shares financial

"acquired their own book-entry ordinary shares"

average daily trading volume financial

"25% of the average daily trading volume"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did CEPU and Proener acquire?

Central Puerto acquired 120,000 shares on October 7, 2026. Proener acquired 30,000 ADRs, equivalent to 300,000 ordinary shares, on the same date.

What were the prices and total cash amounts for CEPU's share acquisitions?

Central Puerto reported an average price of AR$ 2,023.41 and a total cash amount of AR$ 242,809,363. Proener reported an average price of USD 12.62 and a total cash amount of USD 378,767.86.

What trading-volume limit applied to CEPU's same-day acquisitions?

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 90 business days.

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

Form 6-K: How Foreign Companies Report to the SEC →

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Available on EDGAR 10/08/2026 - 06:02 AM Accepted by SEC EDGAR 10/07/2026 - 06:17 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 October, 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, October 7, 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 the Principal Officer in Charge of Investor Relations of Central Puerto S.A. (the “Company” or “CPSA,” as applicable), in compliance with the provisions of Article 11, Section II, Chapter I, Title II of the Rules of the Comisión Nacional de Valores (N.T. 2013), in order to inform you that the Company and Proener S.A.U. (“Proener”), a wholly owned subsidiary of CPSA, have acquired treasury shares issued by the Company pursuant to the terms of Article 64 et seq. of Capital Markets Law No. 26,831 and the regulations of the Comisión Nacional de Valores.

In this regard, we hereby inform you that both the Company and Proener have acquired their own book-entry ordinary shares, with a par value of $1 (one Peso) and carrying 1 (one) vote per share (the “Shares”), as set forth below:

Entity	Market	Transaction Date	Trade completion Date	Number of Shares / ADRs	Equivalent Number of Shares	Average Price	Total Cash Amount
CPSA	BYMA	10/07/2026	10/08/2026	120,000	120,000	AR$ 2,023.41	AR$ 242,809,363
Proener	NYSE	10/07/2026	10/08/2026	30,000	300,000	USD  12.62	USD 378,767.86

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: October 7, 2026				By:		/s/ Leonardo Marinaro
				Name:		Leonardo Marinaro
				Title:		Attorney-in-Fact