How much has Banco Santander (SAN) spent on its 2026 share buyback so far?

Banco Santander has spent €2,829,295,540 on its share buyback as of 23 April 2026. This cash amount reflects purchases executed under the ongoing Buyback Programme across multiple European trading venues during the reported period.

What impact has Banco Santander’s buyback had on its share count versus 2021?

The bank reports it has repurchased approximately 16.9% of its outstanding shares as of 2021. This indicates a significant reduction in share count, which can boost per-share financial metrics for remaining shareholders if underlying earnings remain stable.

Banco Santander advances €2.83B share buyback

Q: What portion of Banco Santander’s buyback plan is completed according to this 6-K?

The filing states Banco Santander has used approximately 56.3% of the Buyback Programme’s maximum investment amount. This indicates the bank is more than halfway through the authorised capital return, based on cash deployed into repurchasing its own shares.

Q: How many Banco Santander (SAN) shares were repurchased between 16 and 23 April 2026?

Between 16 and 23 April 2026, Banco Santander repurchased 11,994,505 shares. These transactions occurred mainly on XMAD and other European venues, at weighted average prices generally around €10.32 to €10.79 per share during the period.

Q: On which trading venues did Banco Santander execute its April 2026 buyback trades?

Banco Santander executed buyback trades on XMAD, CEUX, TQEX, and AQEU during 16–23 April 2026. The largest daily volume occurred on 23 April 2026, when several million shares were repurchased across these venues under the programme.

Banco Santander reports progress on its ongoing 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. As of 23 April 2026, the bank has spent €2,829,295,540 repurchasing shares, equal to approximately 56.3% of the programme’s maximum investment amount.

These repurchases correspond to about 16.9% of Banco Santander’s outstanding shares as of 2021. Between 16 and 23 April 2026, the bank bought 11,994,505 shares across several European trading venues at weighted average prices around €10.32–€10.79 per share.

Positive

Substantial share reduction: The buyback has retired approximately 16.9% of Banco Santander’s outstanding shares as of 2021, supported by €2.83B already spent, which can enhance earnings per share and capital return metrics.

Negative

None.

Insights

Large, ongoing buyback reduces Santander’s share count meaningfully.

Banco Santander has deployed €2.83B into its buyback, already using 56.3% of the authorised amount. The programme has retired about 16.9% of shares versus 2021 levels, which is a sizeable structural reduction in equity.

This scale of repurchase can lift earnings per share and concentrate ownership among remaining shareholders, assuming operating performance holds. The bank’s report of detailed daily purchases between 16 April 2026 and 23 April 2026 also underscores adherence to EU market abuse and buyback regulations.

Key Figures

Buyback cash deployed: €2,829,295,540 Portion of buyback plan used: 56.3% Shares repurchased vs 2021: 16.9% +3 more

6 metrics

Buyback cash deployed €2,829,295,540 Cash amount of shares purchased as of 23 April 2026

Portion of buyback plan used 56.3% Share of maximum investment amount already deployed

Shares repurchased vs 2021 16.9% Proportion of outstanding shares as of 2021

Shares bought 16–23 April 2026 11,994,505 shares Total repurchased during reported period

Largest daily volume 7,515,013 shares Repurchased on 23/04/2026 at XMAD

Weighted avg. price (XMAD 23/04/2026) €10.3211 Average purchase price for SAN on XMAD that day

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

"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"

ordinary shares financial

"Reference of the financial instrument ordinary shares - Code ISIN ES0113900J37"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What portion of Banco Santander’s buyback plan is completed according to this 6-K?

The filing states Banco Santander has used approximately 56.3% of the Buyback Programme’s maximum investment amount. This indicates the bank is more than halfway through the authorised capital return, based on cash deployed into repurchasing its own shares.

How many Banco Santander (SAN) shares were repurchased between 16 and 23 April 2026?

Between 16 and 23 April 2026, Banco Santander repurchased 11,994,505 shares. These transactions occurred mainly on XMAD and other European venues, at weighted average prices generally around €10.32 to €10.79 per share during the period.

On which trading venues did Banco Santander execute its April 2026 buyback trades?

Banco Santander executed buyback trades on XMAD, CEUX, TQEX, and AQEU during 16–23 April 2026. The largest daily volume occurred on 23 April 2026, when several million shares were repurchased across these venues under the programme.

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

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google

Accepted by SEC EDGAR 04/24/2026 - 06:28 AM

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 April, 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 April 24, 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 16 and 23 April (both inclusive).

The cash amount of the shares purchased to 23 April 2026 as a result of the execution of the Buyback Programme amounts to 2,829,295,540 Euros, which represents approximately 56.3% 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 16.9% of its outstanding shares as of 2021.

Date	Security	Transaction	Trading venue	Number of shares	Weighted average price (€)
16/04/2026	SAN	Purchase	XMAD	1,000	10.6232
17/04/2026	SAN	Purchase	XMAD	526	10.6224
20/04/2026	SAN	Purchase	XMAD	1,000	10.7866
21/04/2026	SAN	Purchase	XMAD	1,000	10.7728
22/04/2026	SAN	Purchase	XMAD	1,000	10.5739
23/04/2026	SAN	Purchase	XMAD	7,515,013	10.3211
23/04/2026	SAN	Purchase	CEUX	3,221,966	10.3193
23/04/2026	SAN	Purchase	TQEX	301,000	10.3201
23/04/2026	SAN	Purchase	AQEU	952,000	10.3276
			TOTAL	11,994,505

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), 24 April 2026

ANNEX I

Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 16/04/2026 and 23/04/2026 (both inclusive)

(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-16-a-23-abril-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:	April 24, 2026	By:	/s/ Pedro de Mingo Kaminouchi
			Name:	Pedro de Mingo Kaminouchi
			Title:	Head of Corporate Compliance

Source: View Original Filing on SEC EDGAR

Banco Santander advances €2.83B share buyback