Welcome to our dedicated page for Tenaris SEC filings (Ticker: TNRSF), 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.
Tenaris S.A. filings document the foreign issuer's financial reporting, governance and material-event disclosures. Recent Form 6-K reports include consolidated condensed interim financial statements prepared under IFRS, quarterly results releases with alternative performance measures, notices and proxy materials for annual and extraordinary shareholder meetings, and board-level leadership succession.
Tenaris S.A. reported progress on the second tranche of its USD1.2 billion share buyback program. From December 22, 2025 to December 26, 2025, the company repurchased 2,408,733 ordinary shares in the open market for a total consideration of €39,385,654, equivalent to USD46,224,540. As of December 26, 2025, Tenaris held 59,008,147 ordinary shares in treasury, representing 5.50% of its total issued share capital. The company states that it intends to cancel treasury shares acquired under its buyback programs in due course.
Tenaris S.A. reported weekly activity for the second tranche of its USD1.2 billion share buyback program, which contemplates up to USD600 million to be executed in the open market. From December 15, 2025 to (and including) December 19, 2025, the company repurchased 5,336,993 ordinary shares for a total consideration of €89,794,646, equivalent to USD105,511,681.
As of December 19, 2025, Tenaris held 56,599,414 ordinary shares in treasury, representing 5.28% of its total issued share capital, and it intends to cancel the treasury shares purchased under its buyback programs in due course. The company has made detailed transaction information available on its website and notes that its outlook is subject to risks including uncertainty in future oil and gas prices and related investment spending.
Tenaris S.A. reports that its share buyback program has brought the proportion of its own ordinary shares held in treasury to 5.07% of Tenaris’s voting rights. These repurchased shares are held in treasury with their voting rights suspended and are expected to be cancelled in due course.
Tenaris also notes that its indirect controlling shareholder San Faustin S.A. and direct controlling shareholder Techint Holdings S.à r.l. filed an amended Schedule 13D. Techint Holdings sold 2,600,000 Tenaris ordinary shares between December 9 and 12, 2025 and entered into an accelerated share disposal agreement with a European bank to sell up to 21,000,000 ordinary shares between December 15, 2025 and no later than May 19, 2026, under an authorization that does not allow its ownership stake in Tenaris to fall below 67% of outstanding ordinary shares.
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 weekly progress on the second tranche of its USD1.2 billion share buyback program. Between December 8 and December 12, 2025, the company repurchased 4,923,147 ordinary shares for a total consideration of €85,819,351, equivalent to USD100,077,422.
This second tranche covers up to USD600 million of open-market repurchases under the broader program. As of December 12, 2025, Tenaris held 51,262,421 ordinary shares in treasury, equal to 4.78% of its total issued share capital, and it intends to cancel shares purchased under the programs in due course.
Tenaris S.A. reported progress on the second tranche of its USD1.2 billion share buyback program. Between December 1 and December 5, 2025, the company repurchased 4,389,201 ordinary shares for a total consideration of €76,801,289, equivalent to USD89,371,864, through open-market purchases.
As of December 5, 2025, Tenaris held 46,339,274 ordinary shares in treasury, representing 4.32% of its total issued share capital. The company states that it intends to cancel treasury shares acquired 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 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. filed a report updating investors on activity in the second tranche of its previously announced USD1.2 billion share buyback program. From November 17 to November 21, 2025, the company repurchased 4,294,448 ordinary shares for a total consideration of €74,766,897, equivalent to USD86,525,791, in open-market transactions.
As of November 21, 2025, Tenaris held 37,359,848 ordinary shares in treasury, representing 3.49% of its total issued share capital. The company states that it intends to cancel the treasury shares purchased under its buyback programs in due course. Tenaris describes itself as a leading global supplier of steel tubes and related services for the energy industry and certain other industrial applications.
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.