Banco Santander, S.A. current report, Q3 FY2026

Business Context and Reporting Period

This Form 6-K filing by Banco Santander, S.A. covers the month of September 2026, with a specific report date of September 9, 2026. The filing communicates the completion of a capital reduction and the registration of the corresponding public deed with the Commercial Registry of Santander.

Key Financial Metrics

The filing does not provide standard financial performance metrics such as revenue, profit, cash flow, margins, debt, or liquidity. The document focuses exclusively on corporate capital structure changes.

  • Capital Reduction Amount: EUR 231,341,569.50
  • Shares Cancelled: 462,683,139 own shares
  • Percentage of Capital Cancelled: Approximately 3.08%
  • Post-Reduction Share Capital: EUR 7,278,241,400.50
  • Post-Reduction Share Count: 14,556,482,801 shares
  • Nominal Value per Share: EUR 0.50

Material Changes Versus Prior Period

The primary material change is the reduction of the Bank's share capital following the execution of a share buyback program. This specific transaction reduced the total share count by approximately 3.08%.

Historically, since 2021, the Bank has executed a cumulative share capital reduction of EUR 1,557,002,469.50, repurchasing and cancelling 3,114,004,939 shares, which represents approximately 18% of the outstanding shares as of the start of that period.

Guidance, Outlook, and Risks

The filing contains no forward-looking guidance, management commentary on future performance, or specific risk factors beyond the standard regulatory disclosure of the capital reduction. The transaction was executed by decision of the Bank's executive committee on September 1, 2026, and registered on September 9, 2026.

Investor Verification Checklist

  • Verify the updated share capital of EUR 7,278,241,400.50 in subsequent filings.
  • Confirm the new total share count of 14,556,482,801 shares.
  • Review the impact of the 3.08% capital reduction on earnings per share (EPS) in the next quarterly report.
  • Check the Commercial Registry of Santander for the public deed registration details.