Central Puerto buys back 100,000 ordinary shares

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

Rhea-AI Filing Summary

Central Puerto S.A. (CEPU) and its wholly owned subsidiary Proener S.A.U. acquired securities issued by Central Puerto: Central Puerto acquired 100,000 ordinary shares on BYMA, while Proener acquired 20,000 ADRs on NYSE. The transactions were dated October 1, 2026, and completed October 2, 2026.

Central Puerto reported a total cash amount of AR$191,438,765 at an average price of AR$1,914.38 per share. Proener reported a total cash amount of US$237,405.02 at an average price of US$11.87 per ADR. The same-day acquisitions did not exceed 25% of Central Puerto’s average daily trading volume during the previous 90 business days.

Filing Explained

The filing identifies both completed purchases as acquisitions of Central Puerto’s own treasury shares, including Proener’s ADR purchase, so the subsidiary bought shares issued by its parent.

Key Figures

Ordinary shares acquired: 100,000 shares Average price: AR$1,914.38 per share Total cash amount: AR$191,438,765 +5 more

8 metrics

Ordinary shares acquired 100,000 shares Central Puerto, BYMA; transaction dated October 1, 2026

Average price AR$1,914.38 per share Central Puerto, BYMA

Total cash amount AR$191,438,765 Central Puerto, BYMA

ADRs acquired 20,000 ADRs Proener, NYSE; transaction dated October 1, 2026

Average price US$11.87 per ADR Proener, NYSE

Total cash amount US$237,405.02 Proener, NYSE

Same-day trading-volume threshold 25% Acquisitions did not exceed this share of average daily trading volume

Average daily trading-volume period 90 business days Period preceding the same-day acquisitions

Key Terms

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

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

"their own book-entry ordinary shares"

ADRs financial

"20,000 | 20,000 | 11.87 US$/ADR"

American Depositary Receipts (ADRs) are certificates issued by a U.S. bank that stand in for shares of a foreign company, allowing those shares to be bought and sold on U.S. stock exchanges in U.S. dollars. Think of an ADR as a local ticket representing a foreign stock: it makes trading, settlement, and tax reporting simpler for U.S. investors, but still exposes them to risks like currency moves, different accounting rules, and foreign corporate practices.

average daily trading volume market

"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.

What were the reported prices and cash amounts for CEPU's October acquisitions?

Central Puerto reported an average price of AR$1,914.38 per share and a total cash amount of AR$191,438,765. Proener reported an average price of US$11.87 per ADR and a total cash amount of US$237,405.02.

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

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Available on EDGAR 10/02/2026 - 08:44 AM Accepted by SEC EDGAR 10/02/2026 - 08:44 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 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 1^st, 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/ ADRs	Average Price	Total Cash Amount
CPSA	BYMA	10/01/2026	10/02/2026	100,000	100,000	1,914.38 AR$/Share	AR$ 191,438,765
Proener	NYSE	10/01/2026	10/02/2026	20,000	20,000	11.87 US$/ADR	US$ 237,405.02

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 1, 2026				By:		/s/ Leonardo Marinaro
				Name:		Leonardo Marinaro
				Title:		Attorney-in-Fact