[6-K] Banco Santander, S.A. Current Report (Foreign Issuer)
Banco Santander reported progress on its share buyback. The cash amount of shares purchased to 15 October 2025 totals €698,648,924, representing approximately 41.1% of the programme’s maximum investment amount.
Between 9 and 15 October 2025, the bank repurchased 11,100,000 shares across XMAD, CEUX, TQEX and AQEU, with venue-level weighted average prices disclosed in the table. With these purchases, Banco Santander has repurchased approximately 14.7% of its outstanding shares as of 2021.
Banco Santander ha riferito progressi sul proprio buyback azionario. L'importo in contanti delle azioni acquistate fino al 15 ottobre 2025 ammonta a €698.648.924, pari a circa il 41,1% della massima soglia di investimento del programma.
Tra il 9 e il 15 ottobre 2025, la banca ha riacquistato 11.100.000 azioni su XMAD, CEUX, TQEX e AQEU, con i prezzi medi ponderati a livello di mercato divulgati nella tabella. Con questi acquisti, Banco Santander ha riacquistato circa il 14,7% delle azioni in circolazione al 2021.
Banco Santander informó sobre avances en su programa de recompra de acciones. La cantidad en efectivo de las acciones adquiridas hasta el 15 de octubre de 2025 asciende a €698.648.924, representando aproximadamente el 41,1% del importe máximo de inversión del programa.
Entre el 9 y el 15 de octubre de 2025, el banco recompró 11.100.000 acciones en XMAD, CEUX, TQEX y AQEU, con los precios ponderados a nivel de bolsa divulgados en la tabla. Con estas compras, Banco Santander ha recomprado aproximadamente el 14,7% de sus acciones en circulación al 2021.
Banco Santander는 자사 주식 매입 프로그램의 진행 상황을 보고했습니다. 2025년 10월 15일까지 매입한 현금 가액의 주식은 총 €698,648,924로, 이는 프로그램의 최대 투자 금액의 약 41.1%를 차지합니다.
2025년 10월 9일부터 15일 사이에 은행은 XMAD, CEUX, TQEX 및 AQEU에서 11,100,000주를 재매입했으며, 거래소별 가중평균가가 표에 공시되어 있습니다. 이러한 매입으로 Banco Santander는 2021년 기준 발행 주식의 약 14.7%를 재매입했습니다.
Banco Santander a signalé des progrès sur son programme de rachat d'actions. Le montant en espèces des actions achetées jusqu’au 15 octobre 2025 s’élève à €698 648 924, représentant environ 41,1% du montant d’investissement maximal du programme.
Entre le 9 et le 15 octobre 2025, la banque a racheté 11 100 000 actions sur XMAD, CEUX, TQEX et AQEU, avec les prix pondérés au niveau de la plateforme divulgués dans le tableau. Avec ces achats, Banco Santander a racheté environ 14,7% de ses actions en circulation au 2021.
Banco Santander meldete Fortschritte bei seinem Aktienrückkaufprogramm. Der Barwert der bis zum 15. Oktober 2025 gekauften Aktien beläuft sich auf €698.648.924, was ungefähr 41,1% des maximalen Investitionsbetrags des Programms entspricht.
Zwischen dem 9. und 15. Oktober 2025 kaufte die Bank 11.100.000 Aktien an XMAD, CEUX, TQEX und AQEU zurück, mit auf Venuebene veröffentlichten gewichteten Durchschnittspreisen in der Tabelle. Mit diesen Käufen hat Banco Santander ungefähr 14,7% seiner ausstehenden Aktien wie von 2021.
بنك سانتاندير أبلغ عن تقدم في برنامج إعادة شراء الأسهم. المبلغ النقدي للأسهم المشتراة حتى 15 أكتوبر 2025 يبلغ €698,648,924، ويمثل حوالي 41.1% من الحد الأقصى لاستثمار البرنامج.
بين 9 و15 أكتوبر 2025، اشترت البنك 11,100,000 سهماً عبر XMAD وCEUX وTQEX وAQEU، مع أسعار مؤشّرة وزناً مستوى السوق كشفت عنها الجداول. وبهذه المشتريات، اعادت Banco Santander شراء حوالي 14.7% من أسهمه القائمة حتى 2021.
桑坦德银行就其股票回购计划取得进展。截至2025年10月15日，购买的股票现金总额为€698,648,924，占计划最大投资金额的约41.1%。
在2025年10月9日至15日，该银行在XMAD、CEUX、TQEX和AQEU共回购了11,100,000股，并在表中披露了分交易所的加权平均价格。通过这些购买，Banco Santander截至2021年已回购约14.7%的流通股。
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Banco Santander ha riferito progressi sul proprio buyback azionario. L'importo in contanti delle azioni acquistate fino al 15 ottobre 2025 ammonta a €698.648.924, pari a circa il 41,1% della massima soglia di investimento del programma.
Tra il 9 e il 15 ottobre 2025, la banca ha riacquistato 11.100.000 azioni su XMAD, CEUX, TQEX e AQEU, con i prezzi medi ponderati a livello di mercato divulgati nella tabella. Con questi acquisti, Banco Santander ha riacquistato circa il 14,7% delle azioni in circolazione al 2021.
Banco Santander informó sobre avances en su programa de recompra de acciones. La cantidad en efectivo de las acciones adquiridas hasta el 15 de octubre de 2025 asciende a €698.648.924, representando aproximadamente el 41,1% del importe máximo de inversión del programa.
Entre el 9 y el 15 de octubre de 2025, el banco recompró 11.100.000 acciones en XMAD, CEUX, TQEX y AQEU, con los precios ponderados a nivel de bolsa divulgados en la tabla. Con estas compras, Banco Santander ha recomprado aproximadamente el 14,7% de sus acciones en circulación al 2021.
Banco Santander는 자사 주식 매입 프로그램의 진행 상황을 보고했습니다. 2025년 10월 15일까지 매입한 현금 가액의 주식은 총 €698,648,924로, 이는 프로그램의 최대 투자 금액의 약 41.1%를 차지합니다.
2025년 10월 9일부터 15일 사이에 은행은 XMAD, CEUX, TQEX 및 AQEU에서 11,100,000주를 재매입했으며, 거래소별 가중평균가가 표에 공시되어 있습니다. 이러한 매입으로 Banco Santander는 2021년 기준 발행 주식의 약 14.7%를 재매입했습니다.
Banco Santander a signalé des progrès sur son programme de rachat d'actions. Le montant en espèces des actions achetées jusqu’au 15 octobre 2025 s’élève à €698 648 924, représentant environ 41,1% du montant d’investissement maximal du programme.
Entre le 9 et le 15 octobre 2025, la banque a racheté 11 100 000 actions sur XMAD, CEUX, TQEX et AQEU, avec les prix pondérés au niveau de la plateforme divulgués dans le tableau. Avec ces achats, Banco Santander a racheté environ 14,7% de ses actions en circulation au 2021.
Banco Santander meldete Fortschritte bei seinem Aktienrückkaufprogramm. Der Barwert der bis zum 15. Oktober 2025 gekauften Aktien beläuft sich auf €698.648.924, was ungefähr 41,1% des maximalen Investitionsbetrags des Programms entspricht.
Zwischen dem 9. und 15. Oktober 2025 kaufte die Bank 11.100.000 Aktien an XMAD, CEUX, TQEX und AQEU zurück, mit auf Venuebene veröffentlichten gewichteten Durchschnittspreisen in der Tabelle. Mit diesen Käufen hat Banco Santander ungefähr 14,7% seiner ausstehenden Aktien wie von 2021.
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 16, 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 9 and 15 October 2025 (both inclusive).
The cash amount of the shares purchased to 15 October 2025 as a result of the execution of the Buyback Programme amounts to 698,648,924 Euros, which represents approximately 41.1% 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 14.7% of its outstanding shares as of 2021.
| Date | Security | Transaction | Trading venue | Number of shares | Weighted average price (€) |
| 09/10/2025 | SAN | Purchase | XMAD | 1,638,089 | 8.6911 |
| 09/10/2025 | SAN | Purchase | CEUX | 97,405 | 8.7006 |
| 09/10/2025 | SAN | Purchase | TQEX | 25,087 | 8.6975 |
| 09/10/2025 | SAN | Purchase | AQEU | 39,419 | 8.6982 |
| 10/10/2025 | SAN | Purchase | XMAD | 2,320,117 | 8.6483 |
| 10/10/2025 | SAN | Purchase | CEUX | 163,191 | 8.6584 |
| 10/10/2025 | SAN | Purchase | TQEX | 45,756 | 8.6821 |
| 10/10/2025 | SAN | Purchase | AQEU | 70,936 | 8.6568 |
| 13/10/2025 | SAN | Purchase | XMAD | 1,643,569 | 8.6203 |
| 13/10/2025 | SAN | Purchase | CEUX | 86,050 | 8.6168 |
| 13/10/2025 | SAN | Purchase | TQEX | 27,219 | 8.6269 |
| 13/10/2025 | SAN | Purchase | AQEU | 43,162 | 8.6303 |
| 14/10/2025 | SAN | Purchase | XMAD | 2,500,000 | 8.4880 |
| 14/10/2025 | SAN | Purchase | CEUX | 259,321 | 8.4830 |
| 14/10/2025 | SAN | Purchase | TQEX | 60,700 | 8.4889 |
| 14/10/2025 | SAN | Purchase | AQEU | 79,979 | 8.4822 |
| 15/10/2025 | SAN | Purchase | XMAD | 1,849,851 | 8.5554 |
| 15/10/2025 | SAN | Purchase | CEUX | 84,383 | 8.5893 |
| 15/10/2025 | SAN | Purchase | TQEX | 28,351 | 8.5911 |
| 15/10/2025 | SAN | Purchase | AQEU | 37,415 | 8.5869 |
| TOTAL | 11,100,000 |
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),16 October 2025
ANNEX I
Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 09/10/2025 and 15/10/2025 (both inclusive)
(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-09-a-15-10-2025.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: | October 16, 2025 | By: | /s/ Pedro de Mingo Kaminouchi | |
| Name: | Pedro de Mingo Kaminouchi | |||
| Title: | Head of Corporate Compliance | |||
FAQ
What did SAN report in its Form 6-K?
How many Banco Santander shares were repurchased from Oct 9–15, 2025?
What portion of the buyback programme is completed for SAN?
What is the cumulative effect on Santander’s share count?
Which trading venues were used for SAN’s buyback in this period?
What instrument is being repurchased by SAN?
