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Banco Santander (NYSE: SAN) details progress of large share Buyback Programme

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
6-K

Rhea-AI Filing Summary

Banco Santander reports progress on its ongoing share Buyback Programme. Between 4 and 10 June 2026, the bank repurchased 27,375,913 of its own shares across several European trading venues at weighted average prices around €10.50–€10.76 per share.

The total cash amount invested in buybacks up to 10 June 2026 is €3,256,642,080, which is approximately 64.7% of the programme’s maximum investment amount. Including these purchases, the bank has repurchased about 17.1% of its outstanding shares as of 2021, reflecting substantial capital returns to shareholders.

Positive

  • None.

Negative

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Insights

Banco Santander is executing a large, previously announced share buyback at scale.

Banco Santander is providing an update on its ongoing Buyback Programme. By 10 June 2026, it had spent €3,256,642,080 on repurchases, equal to 64.7% of the programme’s maximum investment amount, using multiple venues to source liquidity.

The bank states that, with these purchases, it has bought back approximately 17.1% of its outstanding shares as of 2021. Such a large reduction in share count can meaningfully affect per-share metrics and ownership structure, although the economic effect ultimately depends on the buyback price versus intrinsic value.

Future disclosures about completion of the programme and any subsequent capital actions will further clarify how this buyback fits into the bank’s broader capital management strategy and its long-term approach to shareholder distributions.

Buyback cash amount €3,256,642,080 Total spent on Buyback Programme to 10 June 2026
Share of maximum investment 64.7% Portion of Buyback Programme limit used by 10 June 2026
Repurchased vs 2021 outstanding 17.1% Shares repurchased as a proportion of outstanding shares as of 2021
Shares bought 4–10 June 2026 27,375,913 shares Total repurchased across all venues during the reported week
Weighted avg price 4 June XMAD €10.6847 Weighted average purchase price for 2,802,684 shares on XMAD on 4 June 2026
Weighted avg price 10 June XMAD €10.4961 Weighted average purchase price for 5,482,844 shares on XMAD on 10 June 2026
Largest single-day venue volume 5,482,844 shares Shares repurchased on XMAD on 10 June 2026
Buyback Programme financial
"relating to the buyback programme of own shares (the “Buyback Programme”) approved by the Board of Directors"
inside information regulatory
"Reference is made to our notice of inside information of 4 February 2026"
Information not available to the public that, if known, would likely cause a company’s stock or bonds to rise or fall—for example, undisclosed earnings, deals, product results, or management plans. It matters because trading on that information gives an unfair advantage, can distort market prices, and is typically illegal or subject to strict rules, so investors watch for proper disclosure and compliance to protect fair, transparent markets.
Regulation (EU) no. 596/2014 on Market Abuse regulatory
"Pursuant to article 5 of Regulation (EU) no. 596/2014 on Market Abuse of 16 April 2014"
Commission Delegated Regulation (EU) 2016/1052 regulatory
"and articles 2.2 and 2.3 of Commission Delegated Regulation (EU) 2016/1052, of 8 March 2016"
weighted average price financial
"Number of shares | Weighted average price (€)"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
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Form 6-K: How Foreign Companies Report to the SEC →

  

 

 

  

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 June, 2026

 

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 June 11, 2026

 

 

 

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 4 February 2026 (official registry number 3077) (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 4 and 10 June (both inclusive).

 

The cash amount of the shares purchased to 10 June 2026 as a result of the execution of the Buyback Programme amounts to 3,256,642,080 Euros, which represents approximately 64.7% 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 17.1% of its outstanding shares as of 2021.

 

Date Security Transaction Trading venue Number of shares

Weighted average

price (€)

04/06/2026 SAN Purchase XMAD 2,802,684 10.6847
04/06/2026 SAN Purchase CEUX 1,500,000 10.6860
05/06/2026 SAN Purchase XMAD 2,352,232 10.7605
05/06/2026 SAN Purchase CEUX 1,200,000 10.7601
05/06/2026 SAN Purchase AQEU 192,929 10.7502
08/06/2026 SAN Purchase XMAD 4,140,498 10.6561
08/06/2026 SAN Purchase CEUX 1,981,645 10.6569
08/06/2026 SAN Purchase TQEX 148,484 10.6526
08/06/2026 SAN Purchase AQEU 301,932 10.6612
09/06/2026 SAN Purchase XMAD 2,755,418 10.7073
09/06/2026 SAN Purchase CEUX 1,226,247 10.6914
10/06/2026 SAN Purchase XMAD 5,482,844 10.4961
10/06/2026 SAN Purchase CEUX 2,383,000 10.4951
10/06/2026 SAN Purchase TQEX 245,000 10.4945
10/06/2026 SAN Purchase AQEU 663,000 10.4953
      TOTAL 27,375,913  

 

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), 11 June 2026

 

 

 

 

 

 

ANNEX I

 

Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 04/06/2026 and 10/06/2026 (both inclusive)

 

(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-04-a-10-junio-2026-es.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: June 11, 2026 By:      /s/ Pedro de Mingo Kaminouchi
      Name: Pedro de Mingo Kaminouchi
      Title: Head of Corporate Compliance

 

 

 

Source: View Original Filing on SEC EDGAR

FAQ

How much has Banco Santander spent on its 2026 share Buyback Programme so far?

Banco Santander has spent a cash amount of €3,256,642,080 on its Buyback Programme up to 10 June 2026. This represents about 64.7% of the maximum investment amount approved for the programme, according to the bank’s June 2026 report.

What portion of Banco Santander’s shares has been repurchased under the Buyback Programme?

Including the most recent purchases, Banco Santander has repurchased approximately 17.1% of its outstanding shares as of 2021. This indicates a substantial reduction in the share count over time, potentially affecting earnings per share and overall ownership structure.

How many Banco Santander shares were repurchased between 4 and 10 June 2026?

Between 4 and 10 June 2026, Banco Santander repurchased 27,375,913 of its own shares. These transactions took place on venues including XMAD, CEUX, AQEU, and TQEX, at weighted average prices generally slightly above €10.49 per share.

On which trading venues did Banco Santander execute its June 2026 share repurchases?

Banco Santander executed June 2026 share repurchases on several venues: XMAD, CEUX, AQEU, and TQEX. Using multiple venues helps access liquidity across markets while carrying out the Buyback Programme within applicable European market abuse and delegated regulations.

What regulatory framework governs Banco Santander’s Buyback Programme?

Banco Santander cites Regulation (EU) No. 596/2014 on Market Abuse and Commission Delegated Regulation (EU) 2016/1052. These rules set conditions for share repurchases and aim to prevent market abuse while allowing legitimate buyback programmes by listed companies.

Where can investors find detailed trade-level data for Banco Santander’s June 2026 buybacks?

Investors can access detailed trade-level data in Annex I, referenced in the report. The bank provides a PDF link containing transaction-by-transaction information for repurchases between 4 and 10 June 2026, including dates, venues, volumes, and prices.