Banco Santander (SAN) buyback reaches €3.63B and 17.3% of 2021 shares

Rhea-AI Filing Summary

Banco Santander, S.A. reports continued execution of its share buyback programme, purchasing additional ordinary shares between 25 June and 1 July 2026 on the Madrid exchange. During this period, it bought 8,399,608 shares at weighted average prices between €11.81 and €12.03.

The bank states that, as of 1 July 2026, the cash amount invested in the Buyback Programme totals €3,631,865,722, representing approximately 72.2% of the programme’s maximum investment amount. It adds that, with these purchases, it has repurchased approximately 17.3% of its outstanding shares as of 2021.

Positive

• Substantial buyback progress: Banco Santander reports investing €3,631,865,722 under its share repurchase programme, equal to about 72.2% of the authorised maximum and approximately 17.3% of outstanding shares as of 2021, implying a meaningful reduction in share count and significant capital return.

Negative

• None.

Insights

Banking equity analyst

Large, ongoing buyback signals substantial capital return to shareholders.

Banco Santander indicates its share repurchase programme has reached a cash amount of €3,631,865,722, equal to about 72.2% of the authorised maximum. The bank reports that cumulative repurchases correspond to roughly 17.3% of shares outstanding as of 2021, a sizeable reduction in share count.

This scale of repurchases typically concentrates earnings per share among remaining holders and reflects management’s confidence in capital strength, as implied by the decision to return funds. Actual impact for investors will depend on future profitability and any regulatory or capital requirements affecting the bank’s ability to sustain such programmes.

Key Figures

Buyback cash amount: €3,631,865,722 Buyback completion: 72.2% of maximum investment Shares repurchased vs 2021: 17.3% of outstanding shares +3 more

6 metrics

Buyback cash amount €3,631,865,722 Invested in Buyback Programme as of July 1, 2026

Buyback completion 72.2% of maximum investment Fraction of authorised buyback capacity used

Shares repurchased vs 2021 17.3% of outstanding shares Portion of 2021 outstanding shares repurchased

Period shares purchased 8,399,608 shares Total repurchased between June 25 and July 1, 2026

Weighted avg price 25/06/2026 €11.8104 per share Buyback trades on June 25, 2026

Weighted avg price 01/07/2026 €12.0302 per share Buyback trades on July 1, 2026

Key Terms

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

5 terms

Buyback Programme financial

"relating to the buyback programme of own shares (the “Buyback Programme”) approved by the Board of Directors"

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"

inside information regulatory

"notice of inside information of 4 February 2026 (official registry number 3077)"

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.

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 →

Available on EDGAR 07/02/2026 - 06:17 AM Accepted by SEC EDGAR 07/02/2026 - 06:17 AM Learn about SEC filing dates

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 X Form 40-F

Banco Santander, S.A.

TABLE OF CONTENTS

Item
1	Report of Other Relevant Information dated July 2, 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 25 June and 1 July (both inclusive).

The cash amount of the shares purchased to 1 July 2026 as a result of the execution of the Buyback Programme amounts to 3,631,865,722 Euros, which represents approximately 72.2% 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 17.3% of its outstanding shares as of 2021.

Date	Security	Transaction	Trading venue	Number of shares	Weighted average price (€)
25/06/2026	SAN	Purchase	XMAD	2,399,608	11.8104
26/06/2026	SAN	Purchase	XMAD	1,000,000	11.8331
29/06/2026	SAN	Purchase	XMAD	1,000,000	11.8812
30/06/2026	SAN	Purchase	XMAD	2,000,000	11.9783
01/07/2026	SAN	Purchase	XMAD	2,000,000	12.0302
			TOTAL	8,399,608

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), 2 July 2026

 

ANNEX I

Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 25/06/2026 and 01/07/2026 (both inclusive)

(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-25-junio-a-01-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 2, 2026	By:	/s/ Pedro de Mingo Kaminouchi
			Name:	Pedro de Mingo Kaminouchi
			Title:	Head of Corporate Compliance

FAQ

How much has Banco Santander (SAN) invested in its share buyback programme?

Banco Santander has invested a cash amount of €3,631,865,722 in its share buyback programme. The bank states this represents approximately 72.2% of the programme’s maximum investment amount as of July 1, 2026.

What portion of Banco Santander (SAN) shares has been repurchased so far?

Banco Santander reports it has repurchased approximately 17.3% of its outstanding shares as of 2021. This figure reflects cumulative buybacks under the programme, significantly reducing the share count relative to that historical baseline.

What share purchases did Banco Santander (SAN) make between June 25 and July 1, 2026?

Between June 25 and July 1, 2026, Banco Santander purchased 8,399,608 ordinary shares on XMAD. Daily weighted average prices ranged from €11.8104 to €12.0302, according to the bank’s transaction table for this period.

How far along is Banco Santander (SAN) in its current buyback programme?

Banco Santander indicates the buyback has reached about 72.2% of its maximum authorised investment amount. This percentage is based on a cumulative cash outlay of €3,631,865,722 for repurchased shares as of July 1, 2026.

On which market is Banco Santander (SAN) executing these share repurchases?

The bank’s disclosed transactions between June 25 and July 1, 2026 were executed on XMAD, the Madrid stock exchange. All trades involved ordinary shares with ISIN code ES0113900J37 under the ongoing buyback programme.