Central Puerto buys back 120,000 shares for AR$237M

The BYMA transaction had a reported total cash amount of AR$237,314,956, and the same-day acquisitions stayed within the stated volume limit.

Rhea-AI Filing Summary

Central Puerto S.A. reported that it and its wholly owned subsidiary, Proener S.A.U., acquired the company’s treasury shares. The table lists Central Puerto’s BYMA acquisition of 120,000 shares, with a trade date of October 22, 2026, and completion on October 23, 2026. The reported average price was AR$1,977.62 per share, and the total cash amount was AR$237,314,956. Leonardo Marinaro, identified as Head of Market Relations, stated that the same-day acquisitions did not exceed 25% of the company’s average daily trading volume during the previous 90 business days.

Key Figures

Shares acquired: 120,000 shares Average price: AR$1,977.62 per share Total cash amount: AR$237,314,956 +3 more

6 metrics

Shares acquired 120,000 shares Central Puerto transaction through BYMA

Average price AR$1,977.62 per share Central Puerto transaction through BYMA

Total cash amount AR$237,314,956 Central Puerto transaction through BYMA

Trade date October 22, 2026 Central Puerto transaction through BYMA

Trade completion date October 23, 2026 Central Puerto transaction through BYMA

Average daily trading volume limit 25% Same-day acquisitions; measured against the previous 90 business days

Key Terms

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

4 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.

par value financial

"with a par value of $1 (one Peso)"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

FAQ

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

How many CEPU shares did Central Puerto acquire, and at what price?

Central Puerto’s table reports an acquisition of 120,000 shares through BYMA at an average price of AR$1,977.62 per share. The table gives October 22, 2026, as the trade date and October 23, 2026, as the completion date.

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

The same-day acquisitions did not exceed 25% of Central Puerto’s average daily trading volume 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 10/23/2026 - 04:38 PM EDT Accepted by SEC EDGAR 10/23/2026 - 04:38 PM EDT 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 23, 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	10/22/2026	10/23/2026	120,000	120,000	AR$ 1,977.62	AR$ 237,314,956
-	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: October 23, 2026				By:		/s/ Leonardo Marinaro
				Name:		Leonardo Marinaro
				Title:		Attorney-in-Fact