Cantomi Uruguay S.A. Reports New 5.4% Stake in Central Puerto S.A. (CEPU)

On June 17, 2026, Cantomi Uruguay S.A. filed a Schedule 13G with the SEC, reporting a new 5.4% ownership stake in Central Puerto S.A. (CEPU). The filing indicates that the reporting person acquired beneficial ownership of 82,481,755 common shares as of the event date on June 10, 2026. This total holding is comprised of 16,895,885 direct common shares and 6,558,587 American Depositary Shares (ADSs), with each ADS representing ten common shares. Based in Montevideo, Uruguay, Cantomi Uruguay S.A. reported sole voting and dispositive power over the entire position. The percentage ownership was calculated based on 1,513,770,222 common shares outstanding as of late 2025. This filing was made under Rule 13d-1(c), certifying that the shares were not acquired for the purpose of changing or influencing the control of the issuer. This represents a significant new institutional position for the Argentine energy company.