LUXEMBOURG, Sept. 19, 2025 (GLOBE NEWSWIRE) -- Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) (“Tenaris”, or the “Company”) announced that its indirect controlling shareholder San Faustin S.A. and its direct controlling shareholder Techint Holdings S.à r.l. (the “Reporting Persons”) filed earlier today with the SEC an amendment to their Schedule 13D, reporting that, for portfolio-management purposes and in response to Tenaris’s ongoing share repurchase program causing San Faustin’s beneficial ownersh ...