Welcome to our dedicated page for Banco Santander, S.A. SEC filings (Ticker: SAN), 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.
Banco Santander S.A. filings document foreign-issuer disclosures for a global banking group and its ADR program. Form 6-K reports include interim consolidated financial statements, operating results, shareholder remuneration, segment information, financial assets and liabilities, provisions, equity, related-party matters, off-balance-sheet exposures, and director and senior manager remuneration.
The filing record also covers material-event disclosures, share buyback transactions, capital-structure matters, registration-statement updates, securities-law exemption documents, and completed acquisition disclosures. These filings provide formal records of governance, capital actions, financial reporting, and corporate transactions affecting Banco Santander and its banking group.
Banco Santander, S.A. (SAN) reports progress on its previously announced share buyback programme. Between September 3 and 9, 2026, the bank repurchased 12,800,000 ordinary shares across several trading venues. Cumulatively, purchases under the Buyback Programme total €468,982,200, representing approximately 25.7% of the programme’s maximum investment amount.
Including earlier tranches, the bank states it has repurchased approximately 18.2% of its outstanding shares as of 2021 through this programme.
Banco Santander, S.A. (SAN) reports the registration of a new capital reduction linked to its share buyback activity. On September 9, 2026, a capital reduction of EUR 231,341,569.50 was registered through the cancellation of 462,683,139 treasury shares, representing approximately 3.08% of its share capital.
Following this operation, Banco Santander’s share capital is EUR 7,278,241,400.50, represented by 14,556,482,801 shares with a nominal value of EUR 0.50 each, all of the same class and rights. Since 2021, accumulated capital reductions tied to buyback programmes total EUR 1,557,002,469.50, with 3,114,004,939 shares repurchased and cancelled, about 18% of the outstanding shares at the start of that period.
Banco Santander, S.A. (SAN) reports continued execution of its share buyback programme, disclosing purchases of its own ordinary shares between August 27 and September 2, 2026 under the previously announced Buyback Programme. During this period, the bank repurchased a total of 11,400,000 shares across multiple European trading venues.
The total cash amount invested in the Buyback Programme up to September 2, 2026 is €305,890,700, representing approximately 16.8% of the maximum investment amount authorised for the programme. Banco Santander states that, with these purchases, it has repurchased approximately 18.1% of its outstanding shares as of 2021.
Banco Santander, S.A. (SAN) has elected to redeem in full its Series 114 1.722% Senior Non Preferred Callable Fixed-to-Fixed Rate Notes due 2027, in accordance with the Indenture dated May 28, 2020 and the Third Supplemental Indenture dated September 14, 2021. The redemption will retire these notes entirely under the terms set out in the governing documents.
The notice also describes U.S. tax reporting and backup withholding rules: U.S. holders may be subject to backup withholding on redemption payments unless they provide appropriate IRS Forms (such as Form W‑9), while non‑U.S. holders generally may establish an exemption using an applicable Form W‑8.
Banco Santander, S.A. (SAN) reports that the deed executing its previously approved share capital increase in connection with the acquisition of Webster Financial Corporation, carried out through non-cash contributions, has been registered with the Commercial Registry of Santander.
After this capital increase, Banco Santander’s share capital amounts to 7,509,582,970 euros, represented by 15,019,165,940 ordinary shares with a nominal value of 0.50 euros each. Each share carries one voting right, for a total of 15,019,165,940 voting rights. All shares are of the same class and series and provide identical rights to holders.
Banco Santander, S.A. (SAN) reports progress on its previously announced share buyback programme of its own shares. As of 26 August 2026, the bank has spent €161,979,040 repurchasing shares under this programme, which represents approximately 8.9% of the programme’s maximum investment amount.
The bank states that, with these purchases, it has repurchased approximately 18% of its outstanding shares as of 2021. Between 24 and 26 August 2026, it bought a total of 12,800,000 shares across several trading venues at weighted average prices around €12.62–€12.71 per share.
Banco Santander, S.A. (SAN) reports that, in connection with the issuance of two series of senior non-preferred notes, it is furnishing contractual and legal documents for incorporation into its Registration Statement on Form F-3 (File No. 333-293987).
The notes consist of $1,000,000,000 5.005% Senior Non Preferred Fixed-to-Fixed Rate Notes due 2030 and $1,000,000,000 5.624% Senior Non Preferred Fixed-to-Fixed Rate Notes due 2034. Related exhibits include the underwriting agreement, a second supplemental indenture with The Bank of New York Mellon entities, forms of global notes, and legal opinions and consents from Uría Menéndez and Davis Polk & Wardwell LLP.
Banco Santander, S.A. (SAN) has completed its share buy-back programme of up to EUR 5,030 million, repurchasing 462,683,139 shares, which is about 3.08% of its share capital. This programme is now terminated.
The bank plans a Capital Reduction by cancelling these shares, cutting share capital by EUR 231,341,569.50 (nominal value EUR 0.5 per share). After this, share capital will be EUR 7,278,241,400.50, represented by 14,556,482,801 shares. The bank states the aim is to remunerate shareholders by increasing profit per share through a lower share count, without returning cash since the cancelled shares are treasury stock.
Since 2021, across buy-back programmes, Santander has repurchased 3,114,004,939 shares, an accumulated share capital reduction of EUR 1,557,002,469.50, representing roughly 18% of its outstanding shares at the start of that period.
Banco Santander, S.A. (SAN) reports that its previously announced acquisition of Webster Financial Corporation has been completed on 20 August 2026 on the terms earlier disclosed. In connection with this transaction, a capital increase through non-cash contributions, approved at the ordinary general shareholders’ meeting on 27 March 2026, has been executed.
The company’s share capital is now EUR 7,509,582,970, represented by 15,019,165,940 shares with a nominal value of EUR 0.50 each, all of the same class and with identical rights. The public deed for the capital increase will be filed with the Commercial Registry of Santander, and admission to trading of the new shares will be requested on the Spanish and other foreign stock exchanges where Banco Santander shares are listed.
Banco Santander, S.A. (SAN) is offering $1,000,000,000 of 5.005% Senior Non Preferred Fixed-to-Fixed Rate Notes due 2030 and $1,000,000,000 of 5.624% Senior Non Preferred Fixed-to-Fixed Rate Notes due 2034. Both series pay fixed coupons until one year before maturity, then reset to the one-year U.S. Treasury Rate plus 0.750% (2030 notes) or 1.100% (2034 notes), with semi-annual payments starting February 25, 2027.
The notes are senior non preferred, unsecured obligations subject to Spanish bail-in powers, ranking pari passu with other senior non preferred liabilities and below higher-ranking senior debt. Banco Santander may redeem at par upon certain tax or TLAC/MREL events, upon a clean-up call, or on optional call dates in 2029 and 2033, subject to regulatory approval. Listing on the New York Stock Exchange is planned, and net proceeds of about $1.99 billion are intended for general corporate purposes.