Banco Santander buyback hits €940,924,644, 55.3% of plan
Banco Santander reported progress on its share repurchase.
Rhea-AI Filing Summary
Banco Santander reported progress on its share repurchase. The cash amount of shares purchased to October 29, 2025 totals €940,924,644, representing approximately 55.3% of the maximum investment amount authorized for the Buyback Programme.
Between October 23 and 29, 2025, the bank repurchased 12,600,000 shares across multiple venues (XMAD, CEUX, TQEX, AQEU) at disclosed weighted average prices per day and venue. With these purchases, Banco Santander has repurchased approximately 14.8% of its outstanding shares as of 2021.
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Insights
Routine buyback update showing €940,924,644 executed (55.3% of plan).
Banco Santander provides a status update on its authorized share repurchase. The filing lists cumulative buyback cash of €940,924,644, which equals 55.3% of the program’s maximum investment amount, and details execution venues and weighted average prices.
The week of transactions covers 12,600,000 shares across XMAD, CEUX, TQEX, and AQEU, indicating continued activity rather than a change in strategy. The bank states it has repurchased approximately 14.8% of outstanding shares as of 2021.
Future disclosures in company filings may specify further execution toward the remaining program capacity and any subsequent cancellations or capital impacts, if applicable.
FAQ
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What did Banco Santander (SAN) disclose in this 6-K?
How much of the buyback’s maximum investment has been executed by SAN?
Which trading venues were used for the buyback during the reported week?
Where can I find detailed trade-by-trade data for this period?
AI-generated analysis. How Rhea-AI works. Not financial advice.
FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Report of Foreign Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934
For the month of October, 2025
Commission File Number: 001-12518
Banco Santander, S.A.
(Exact name of registrant as specified in its charter)
Ciudad Grupo Santander
28660 Boadilla del Monte (Madrid) Spain
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:
| Form 20-F | X |
Form 40-F |
Banco Santander, S.A.
TABLE OF CONTENTS
Item |
|
| 1 | Report of Other Relevant Information dated October 30, 2025 |
Item 1
Banco Santander, S.A. (the “Bank” or “Banco Santander”), in compliance with the Securities Market legislation, hereby communicates the following:
OTHER RELEVANT INFORMATION
Reference is made to our notice of inside information of 30 July 2025 (official registry number 2844) (the “Buyback Commencement Communication”), relating to the buyback programme of own shares (the “Buyback Programme”) approved by the Board of Directors of Banco Santander.
Pursuant to article 5 of Regulation (EU) no. 596/2014 on Market Abuse of 16 April 2014, and articles 2.2 and 2.3 of Commission Delegated Regulation (EU) 2016/1052, of 8 March 2016, the Bank informs of the transactions carried out over its own shares between 23 and 29 October 2025 (both inclusive).
The cash amount of the shares purchased to 29 October 2025 as a result of the execution of the Buyback Programme amounts to 940,924,644 Euros, which represents approximately 55.3% of the maximum investment amount of the Buyback Programme. The programme was announced together with its other characteristics through the Buyback Commencement Communication. With these purchases, the Bank has repurchased approximately 14.8% of its outstanding shares as of 2021.
| Date | Security | Transaction | Trading venue | Number of shares | Weighted average price (€) |
| 23/10/2025 | SAN | Purchase | XMAD | 2,118,440 | 8.4210 |
| 23/10/2025 | SAN | Purchase | CEUX | 159,694 | 8.4249 |
| 23/10/2025 | SAN | Purchase | TQEX | 83,569 | 8.4228 |
| 23/10/2025 | SAN | Purchase | AQEU | 38,297 | 8.4288 |
| 24/10/2025 | SAN | Purchase | XMAD | 2,661,005 | 8.3605 |
| 24/10/2025 | SAN | Purchase | CEUX | 84,491 | 8.3771 |
| 24/10/2025 | SAN | Purchase | TQEX | 28,921 | 8.3664 |
| 24/10/2025 | SAN | Purchase | AQEU | 25,583 | 8.3698 |
| 27/10/2025 | SAN | Purchase | XMAD | 1,991,538 | 8.4883 |
| 27/10/2025 | SAN | Purchase | CEUX | 125,959 | 8.4894 |
| 27/10/2025 | SAN | Purchase | TQEX | 38,574 | 8.4843 |
| 27/10/2025 | SAN | Purchase | AQEU | 43,929 | 8.4824 |
| 28/10/2025 | SAN | Purchase | XMAD | 1,778,122 | 8.5525 |
| 28/10/2025 | SAN | Purchase | CEUX | 139,178 | 8.5596 |
| 28/10/2025 | SAN | Purchase | TQEX | 51,772 | 8.5669 |
| 28/10/2025 | SAN | Purchase | AQEU | 30,928 | 8.5591 |
| 29/10/2025 | SAN | Purchase | XMAD | 2,650,000 | 8.8300 |
| 29/10/2025 | SAN | Purchase | CEUX | 273,706 | 8.7894 |
| 29/10/2025 | SAN | Purchase | TQEX | 88,482 | 8.8204 |
| 29/10/2025 | SAN | Purchase | AQEU | 187,812 | 8.8057 |
| TOTAL | 12,600,000 |
1
Issuer name: Banco Santander, S.A. - LEI 5493006QMFDDMYWIAM13
Reference of the financial instrument: ordinary shares - Code ISIN ES0113900J37
Detailed information of the transactions carried out within the referred period is attached as Annex I.
Boadilla del Monte (Madrid),30 October 2025
2
ANNEX I
Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 23/10/2025 and 29/10/2025 (both inclusive)
(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-23-a-29-10-2025.pdf)
3
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| Banco Santander, S.A. | |||||
| Date: | October 30, 2025 | By: | /s/ Pedro de Mingo Kaminouchi | ||
| Name: | Pedro de Mingo Kaminouchi | ||||
| Title: | Head of Corporate Compliance | ||||