What share buyback progress does Banco Santander (SAN) report as of 29 July 2026?

Banco Santander reports having acquired own shares for 4,173,784,041 Euros under its Buyback Programme as of 29 July 2026. This amount represents approximately 83% of the programme’s maximum investment and corresponds to about 17.6% of its outstanding shares as of 2021.

Banco Santander (SAN) buyback covers 17.6% of 2021 shares

Q: How many Banco Santander (SAN) shares were repurchased between 23 and 29 July 2026?

Between 23 and 29 July 2026, Banco Santander repurchased 10,000,000 shares of its ordinary stock. These transactions were executed on the XMAD and CEUX trading venues as part of the ongoing Buyback Programme of own shares.

Q: What percentage of Banco Santander (SAN) outstanding shares has been repurchased under the buyback?

Banco Santander states it has repurchased approximately 17.6% of its outstanding shares as of 2021 through the Buyback Programme. This figure reflects cumulative repurchases, including those made between 23 and 29 July 2026.

Q: How does the 4,173,784,041 Euros spent relate to Banco Santander (SAN)’s buyback limit?

The bank indicates that 4,173,784,041 Euros spent on share repurchases corresponds to approximately 83% of the Buyback Programme’s maximum investment amount. This shows the programme is substantially advanced toward its authorised cash limit.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

6-K

Rhea-AI Filing Summary

Banco Santander, S.A. reports ongoing execution of its share buyback programme of own shares. Up to 29 July 2026, it has purchased shares for a cash amount of 4,173,784,041 Euros, representing approximately 83% of the maximum investment amount of the Buyback Programme approved by its Board of Directors.

Between 23 and 29 July 2026, the bank repurchased a total of 10,000,000 shares of its ordinary stock on the XMAD and CEUX trading venues at weighted average prices that include 11.7513 Euros and 12.3208 Euros per share. With these purchases, Banco Santander has repurchased approximately 17.6% of its outstanding shares as of 2021.

Key Figures

Buyback cash amount: 4,173,784,041 Euros Buyback completion vs maximum amount: 83% Shares repurchased vs 2021 outstanding: 17.6% +5 more

8 metrics

Buyback cash amount 4,173,784,041 Euros Cash amount of shares purchased under the Buyback Programme up to 29 July 2026

Buyback completion vs maximum amount 83% Represents approximately 83% of the Buyback Programme’s maximum investment amount

Shares repurchased vs 2021 outstanding 17.6% Bank has repurchased approximately 17.6% of its outstanding shares as of 2021

Shares purchased 23–29 July 2026 10,000,000 shares Total number of Banco Santander shares repurchased between 23 and 29 July 2026

Weighted average price 23/07/2026 XMAD 11.7513 Euros Weighted average purchase price per share on XMAD on 23 July 2026

Weighted average price 23/07/2026 CEUX 11.7503 Euros Weighted average purchase price per share on CEUX on 23 July 2026

Weighted average price 27/07/2026 XMAD 12.3208 Euros Weighted average purchase price per share on XMAD on 27 July 2026

Weighted average price 29/07/2026 XMAD 12.0043 Euros Weighted average purchase price per share on XMAD on 29 July 2026

Key Terms

Buyback Programme, inside information, Regulation (EU) no. 596/2014 on Market Abuse, Commission Delegated Regulation (EU) 2016/1052, +1 more

5 terms

Buyback Programme financial

"relating to the buyback programme of own shares (the “Buyback Programme”)"

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"

Commission Delegated Regulation (EU) 2016/1052 regulatory

"and articles 2.2 and 2.3 of Commission Delegated Regulation (EU) 2016/1052"

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.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 6-K: How Foreign Companies Report to the SEC →

Available on EDGAR 07/30/2026 - 06:13 AM Accepted by SEC EDGAR 07/30/2026 - 06:13 AM

FAQ

How many Banco Santander (SAN) shares were repurchased between 23 and 29 July 2026?

Between 23 and 29 July 2026, Banco Santander repurchased 10,000,000 shares of its ordinary stock. These transactions were executed on the XMAD and CEUX trading venues as part of the ongoing Buyback Programme of own shares.

What percentage of Banco Santander (SAN) outstanding shares has been repurchased under the buyback?

Banco Santander states it has repurchased approximately 17.6% of its outstanding shares as of 2021 through the Buyback Programme. This figure reflects cumulative repurchases, including those made between 23 and 29 July 2026.

How does the 4,173,784,041 Euros spent relate to Banco Santander (SAN)’s buyback limit?

The bank indicates that 4,173,784,041 Euros spent on share repurchases corresponds to approximately 83% of the Buyback Programme’s maximum investment amount. This shows the programme is substantially advanced toward its authorised cash limit.

On which venues did Banco Santander (SAN) execute buybacks from 23 to 29 July 2026?

During 23–29 July 2026, Banco Santander executed share repurchases on the XMAD and CEUX trading venues. The transactions involved multiple daily purchases, all classified as Purchase of ordinary shares with ISIN ES0113900J37.

What weighted average prices did Banco Santander (SAN) pay in its late-July 2026 buybacks?

In this period, the bank reports weighted average purchase prices including 11.7513 Euros and 11.7503 Euros per share on 23 July, and 12.3208 Euros per share on 27 July, reflecting execution across different days and venues.

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 July, 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

Form 40-F

Banco Santander, S.A.

TABLE OF CONTENTS

Item

1	Report of Other Relevant Information dated July 30, 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 23 and 29 July (both inclusive).

The cash amount of the shares purchased to 29 July 2026 as a result of the execution of the Buyback Programme amounts to 4,173,784,041 Euros, which represents approximately 83% 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 17.6% of its outstanding shares as of 2021.

Date	Security	Transaction	Trading venue	Number of shares	Weighted average price (€)
23/07/2026	SAN	Purchase	XMAD	1,000,000	11.7513
23/07/2026	SAN	Purchase	CEUX	1,000,000	11.7503
24/07/2026	SAN	Purchase	XMAD	1,000,000	11.8837
24/07/2026	SAN	Purchase	CEUX	1,000,000	11.8838
27/07/2026	SAN	Purchase	XMAD	2,000,000	12.3208
28/07/2026	SAN	Purchase	XMAD	2,000,000	12.2316
29/07/2026	SAN	Purchase	XMAD	2,000,000	12.0043
			TOTAL	10,000,000

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), 30 July 2026

ANNEX I

Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 23/07/2026 and 29/07/2026 (both inclusive)

(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-23-a-29-julio-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:	July 30, 2026	By:	/s/ Pedro de Mingo Kaminouchi
			Name:	Pedro de Mingo Kaminouchi
			Title:	Head of Corporate Compliance

Source: View Original Filing on SEC EDGAR