Banco Santander (SAN) details August 2025 progress in large share buyback
Rhea-AI Filing Summary
Banco Santander has provided an update on its share buyback programme, detailing purchases of its own shares between 21 and 27 August 2025. During this period, the bank repurchased a total of 5,176,565 shares across several trading venues at weighted average prices around €8 per share.
The cash amount invested in the buyback programme up to 27 August 2025 is €297,730,065, which the bank states represents approximately 17.5% of the programme’s maximum investment amount. Overall, Banco Santander indicates it has repurchased approximately 14.4% of its outstanding shares as of 2021 through this programme.
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Insights
Santander reports sizable but previously announced buyback progress.
Banco Santander is continuing execution of a pre-approved share buyback, investing €297,730,065 to date, equal to about 17.5% of the programme’s maximum amount. Over 21–27 August 2025, it repurchased 5,176,565 shares at prices slightly above €8.
The bank notes that, cumulatively, it has bought back roughly 14.4% of its outstanding shares as of 2021, indicating a sizeable reduction in share count over time. Because this update relates to an already announced programme, it mainly provides transparency on execution rather than signalling a new strategic shift.
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 August, 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 August 28, 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 21 and 27 August 2025 (both inclusive).
The cash amount of the shares purchased to 27 August 2025 as a result of the execution of the Buyback Programme amounts to 297,730,065 Euros, which represents approximately 17.5% 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 14.4% of its outstanding shares as of 2021.
| Date | Security | Transaction | Trading venue | Number of shares | Weighted average price (€) |
| 21/08/ 2025 | SAN | Purchase | XMAD | 560,044 | 8.1698 |
| 21/08/ 2025 | SAN | Purchase | CEUX | 112,245 | 8.1609 |
| 21/08/ 2025 | SAN | Purchase | TQEX | 36,964 | 8.1640 |
| 21/08/ 2025 | SAN | Purchase | AQEU | 40,747 | 8.1571 |
| 22/08/ 2025 | SAN | Purchase | XMAD | 200,000 | 8.2500 |
| 25/08/ 2025 | SAN | Purchase | XMAD | 851,650 | 8.2911 |
| 25/08/ 2025 | SAN | Purchase | CEUX | 75,694 | 8.2907 |
| 25/08/ 2025 | SAN | Purchase | TQEX | 30,275 | 8.2930 |
| 25/08/ 2025 | SAN | Purchase | AQEU | 42,381 | 8.2936 |
| 26/08/ 2025 | SAN | Purchase | XMAD | 1,569,141 | 8.1363 |
| 26/08/ 2025 | SAN | Purchase | CEUX | 80,380 | 8.1356 |
| 26/08/ 2025 | SAN | Purchase | TQEX | 15,096 | 8.1396 |
| 26/08/ 2025 | SAN | Purchase | AQEU | 35,383 | 8.1401 |
| 27/08/ 2025 | SAN | Purchase | XMAD | 1,365,019 | 8.0585 |
| 27/08/ 2025 | SAN | Purchase | CEUX | 80,181 | 8.0604 |
| 27/08/ 2025 | SAN | Purchase | TQEX | 36,377 | 8.0819 |
| 27/08/ 2025 | SAN | Purchase | AQEU | 44,988 | 8.0628 |
| TOTAL | 5,176,565 |
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), 28 August 2025
ANNEX I
Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 21/08/2025 and 27/08/2025 (both inclusive)
(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-21-a-27-ago-2025.pdf)
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: | August 28, 2025 | By: | /s/ Pedro de Mingo Kaminouchi | |
| Name: | Pedro de Mingo Kaminouchi | |||
| Title: | Head of Corporate Compliance | |||
FAQ
What does Banco Santander (SAN) report in its August 2025 6-K?
Banco Santander reports progress on its share buyback programme, detailing own-share purchases made between 21 and 27 August 2025. It lists total shares repurchased, average prices by venue, and cumulative cash invested in the programme up to 27 August 2025.
How does the reported buyback activity relate to Banco Santander’s maximum programme size?
The bank notes that the €297,730,065 already invested corresponds to about 17.5% of the buyback programme’s maximum investment amount. This indicates that a significant portion remains available for future repurchases under the authorised programme terms.