--- title: "REG - Banco Santander S.A. - Buyback programme: transactions 10-16sept" type: "News" locale: "en" url: "https://longbridge.com/en/news/299289980.md" description: "Banco Santander reported share buyback transactions from September 10-16, 2026. The bank purchased approximately 7.1 million shares at a weighted average price of around €12.65 across various trading venues. Cumulative purchases under the programme reached €558.9 million, representing 30.6% of the maximum investment amount and repurchasing roughly 18.2% of outstanding shares as of 2021." datetime: "2026-09-17T08:36:54.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/299289980.md) - [en](https://longbridge.com/en/news/299289980.md) - [zh-HK](https://longbridge.com/zh-HK/news/299289980.md) generator: "portal-rs" --- # REG - Banco Santander S.A. - Buyback programme: transactions 10-16sept RNS Number : 1966V Banco Santander S.A. 17 September 2026 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 10 August 2026 (official registry number 3336) (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 10 and 16 September (both inclusive). The cash amount of the shares purchased to 16 September 2026 as a result of the execution of the Buyback Programme amounts to 558,894,930 Euros, which represents approximately 30.6% 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 18.2% of its outstanding shares as of 2021. Date Security Transaction Trading venue Number of shares Weighted average price (€) 10/09/2026 SAN Purchase XMAD 1,200,000 12.6399 10/09/2026 SAN Purchase CEUX 516,593 12.6483 10/09/2026 SAN Purchase TQEX 128,707 12.6582 10/09/2026 SAN Purchase AQEU 254,700 12.6577 11/09/2026 SAN Purchase XMAD 200,000 12.8061 14/09/2026 SAN Purchase XMAD 1,000,000 12.6782 14/09/2026 SAN Purchase CEUX 144,528 12.6865 14/09/2026 SAN Purchase TQEX 22,352 12.6966 14/09/2026 SAN Purchase AQEU 33,120 12.6677 15/09/2026 SAN Purchase XMAD 2,060,434 12.6556 15/09/2026 SAN Purchase CEUX 77,688 12.5967 15/09/2026 SAN Purchase TQEX 34,938 12.5972 15/09/2026 SAN Purchase AQEU 26,940 12.5911 16/09/2026 SAN Purchase XMAD 1,189,553 12.6782 16/09/2026 SAN Purchase CEUX 104,367 12.6737 16/09/2026 SAN Purchase TQEX 67,446 12.6621 16/09/2026 SAN Purchase AQEU 38,634 12.6643 TOTAL 7,100,000 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), 17 September 2026 ANNEX I Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 10/09/2026 and 16/09/2026 (both inclusive) This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. 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