Welcome to our dedicated page for Tenaris SEC filings (Ticker: TS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Tenaris S.A.’s controlling shareholder group updated its ownership position in this Schedule 13D amendment. ROCCA & PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN, San Faustin S.A. and Techint Holdings S.A r.l. together report beneficial ownership of 711,005,187 ordinary shares, representing 69.7% of the class.
The percentage is calculated using 1,071,994,930 issued ordinary shares, of which 51,262,421 were held by Tenaris as treasury stock as of December 12, 2025. The amendment explains that Techint Holdings sold 2,600,000 shares between December 9 and 12, 2025 under a non‑discretionary mandate on European regulated markets, and has entered into a non‑discretionary accelerated share disposal agreement to sell up to 21,000,000 additional shares from December 15, 2025 to no later than May 19, 2026, while a prior authorization requires its stake to remain at or above 67% of outstanding shares.
Tenaris S.A. reported progress on the second tranche of its previously announced USD1.2 billion share buyback program. Between November 24 and November 28, 2025, the company repurchased 4,590,225 ordinary shares for a total consideration of €78,617,466, equivalent to USD90,853,326, through open market transactions.
As of November 28, 2025, Tenaris held 41,950,073 ordinary shares in treasury, representing 3.91% of its total issued share capital. The company states that it intends to cancel treasury shares purchased under its buyback programs in due course, which would reduce the number of shares outstanding over time.
Tenaris S.A. reported progress on the second tranche of its USD1.2 billion share buyback program. Between November 10 and November 14, 2025, the company repurchased 5,445 ordinary shares for a total consideration of €96,639, equivalent to USD112,053. As of November 14, 2025, Tenaris held 33,065,400 ordinary shares in treasury, representing 3.08% of its total issued share capital. The company intends to cancel treasury shares purchased under the programs in due course and continues executing repurchases in the open market under the second tranche of up to USD600 million.
Tenaris S.A. announced it will commence the second tranche of its share repurchase, covering up to USD 600 million under its previously announced USD 1.2 billion buyback program. The tranche begins on November 3, 2025 and will end no later than April 30, 2026.
Tenaris entered a non-discretionary buyback agreement with a primary financial institution, which will independently decide the timing of ordinary share purchases. The repurchases will comply with the Market Abuse Regulation 596/2014 and Commission Delegated Regulation (EU) 2016/1052, and may continue during Tenaris’s closed periods in line with these rules.
Ordinary shares repurchased under the program will be cancelled in due course. The program is carried out under the authority granted by shareholders at the general meeting held on May 6, 2025.
Tenaris S.A. furnished interim results for the nine months ended September 30, 2025. Net sales were $8,986,024, down from $9,678,708 a year earlier, while income for the period was $1,512,216 versus $1,557,642. Operating income reached $1,729,278. Basic and diluted EPS were $1.39 per share (or $2.79 per ADS).
Cash generation remained strong: net cash provided by operating activities was $1,812,402. The company paid an annual dividend of $0.83 per share and executed significant buybacks, cancelling 90,762,598 shares on May 6, 2025. Issued shares stood at 1,071,994,930, with 1,039,593,059 outstanding as of September 30, 2025. Shareholders’ equity totaled $17,041,102.
By region, North America sales were $4,216,456; South America $1,809,385; Europe $680,640; Asia Pacific, Middle East and Africa $2,279,543. The U.S. antidumping review set Tenaris’s Argentina import rate at 6.76% (from 78.30%), with a gain recognized; Mexico’s final rate was 26.10%, which Tenaris indicated it is appealing. Notes also describe ongoing legal matters and Argentine FX measures affecting subsidiaries.
Tenaris (TS) reported third-quarter 2025 results with net sales of
Free cash flow was
Sales of tubular products and services were resilient in North America and benefited from early shipments in the Middle East, while Argentine oilfield services softened. Management expects fourth-quarter sales to remain close to third-quarter levels, with costs and margins reflecting the full impact of higher U.S. tariff costs.
Amendment No. 12 to the Schedule 13D for Tenaris S.A. reports that the Reporting Persons collectively hold 713,605,187 Ordinary Shares, representing 68.45% of issued shares following Tenaris S.A.'s open-market repurchases made under its 2025-2026 buyback program. The amendment notes that SAN FAUSTIN's board authorized TECHINT HOLDINGS to sell some of its shares for portfolio-management purposes, provided TECHINT HOLDINGS' ownership does not fall below 67% of outstanding Ordinary Shares. The filing confirms no transactions by the Reporting Persons in the last 60 days and otherwise incorporates prior Schedule 13D disclosures by reference.
Tenaris reported that under the First Tranche of its USD1.2 billion share buyback program (with up to USD600 million to be executed in the open market), it repurchased 3,813,885 ordinary shares from August 4 to August 8, 2025 for a total consideration of €58,467,805 (equivalent to USD67,863,378). As of August 8, 2025 the company held 26,534,450 treasury shares, representing 2.48% of issued share capital. Tenaris states it intends to cancel treasury shares purchased under the program in due course, and provides transaction details on its investor website.
The announcement also includes a standard forward-looking statement cautioning that outcomes may be affected by risks such as future oil and gas prices.
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