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Banco Santander, S.A. SEC filings

In the twelve months since 29 September 2025 Banco Santander, S.A. filed 110 documents with the SEC of the kinds listed here: 103 reports on Form 6-K; 3 delisting notice by the exchanges (25-NSE), 3 employee share plan registrations (S-8), 1 annual report (foreign filer) (20-F). The latest, filed 24 September 2026: 6-K, no title given to edgar; the filing is linked.

FiledFormWhat it was aboutPeriod or event dateFiling
24 September 20266-Kno title given to EDGAR; the filing is linked24 September 2026EDGAR
17 September 20266-Kno title given to EDGAR; the filing is linked17 September 2026EDGAR
14 September 202625-NSEdelisting notice by the exchangeEDGAR
10 September 20266-Kno title given to EDGAR; the filing is linked10 September 2026EDGAR
9 September 20266-Kno title given to EDGAR; the filing is linked9 September 2026EDGAR
3 September 20266-Kno title given to EDGAR; the filing is linked3 September 2026EDGAR
1 September 20266-Kno title given to EDGAR; the filing is linked1 September 2026EDGAR
1 September 20266-Kno title given to EDGAR; the filing is linked31 August 2026EDGAR
27 August 20266-Kno title given to EDGAR; the filing is linked27 August 2026EDGAR
25 August 20266-Kno title given to EDGAR; the filing is linked25 August 2026EDGAR
21 August 20266-Kno title given to EDGAR; the filing is linked21 August 2026EDGAR
20 August 20266-Kno title given to EDGAR; the filing is linked20 August 2026EDGAR
19 August 2026S-8employee share plan registrationEDGAR
19 August 2026S-8employee share plan registrationEDGAR
13 August 20266-Kno title given to EDGAR; the filing is linked13 August 2026EDGAR
10 August 20266-Kno title given to EDGAR; the filing is linked10 August 2026EDGAR
6 August 20266-Kno title given to EDGAR; the filing is linked6 August 2026EDGAR
5 August 20266-Kno title given to EDGAR; the filing is linked5 August 2026EDGAR
30 July 20266-Kno title given to EDGAR; the filing is linked30 July 2026EDGAR
30 July 20266-Kno title given to EDGAR; the filing is linked30 July 2026EDGAR
24 July 20266-Kno title given to EDGAR; the filing is linked30 June 2026EDGAR
24 July 20266-Kno title given to EDGAR; the filing is linked30 June 2026EDGAR
23 July 20266-Kno title given to EDGAR; the filing is linked23 July 2026EDGAR
22 July 20266-Kno title given to EDGAR; the filing is linked30 June 2026EDGAR
22 July 20266-Kno title given to EDGAR; the filing is linked30 June 2026EDGAR
22 July 20266-Kno title given to EDGAR; the filing is linked30 June 2026EDGAR
16 July 20266-Kno title given to EDGAR; the filing is linked16 July 2026EDGAR
15 July 20266-Kno title given to EDGAR; the filing is linked15 July 2026EDGAR
9 July 20266-Kno title given to EDGAR; the filing is linked9 July 2026EDGAR
2 July 20266-Kno title given to EDGAR; the filing is linked2 July 2026EDGAR
25 June 20266-Kno title given to EDGAR; the filing is linked25 June 2026EDGAR
18 June 20266-Kno title given to EDGAR; the filing is linked18 June 2026EDGAR
11 June 20266-Kno title given to EDGAR; the filing is linked11 June 2026EDGAR
10 June 20266-Kno title given to EDGAR; the filing is linked10 June 2026EDGAR
4 June 20266-Kno title given to EDGAR; the filing is linked4 June 2026EDGAR
3 June 20266-Kno title given to EDGAR; the filing is linked3 June 2026EDGAR
28 May 20266-Kno title given to EDGAR; the filing is linked27 May 2026EDGAR
27 May 20266-Kno title given to EDGAR; the filing is linked27 May 2026EDGAR
27 May 20266-Kno title given to EDGAR; the filing is linked27 May 2026EDGAR
13 May 20266-Kno title given to EDGAR; the filing is linked13 May 2026EDGAR
1 May 20266-Kno title given to EDGAR; the filing is linked1 May 2026EDGAR
29 April 20266-Kno title given to EDGAR; the filing is linked31 March 2026EDGAR
29 April 20266-Kno title given to EDGAR; the filing is linked31 March 2026EDGAR
29 April 20266-Kno title given to EDGAR; the filing is linked31 March 2026EDGAR
29 April 20266-Kno title given to EDGAR; the filing is linked31 March 2026EDGAR
24 April 20266-Kno title given to EDGAR; the filing is linked24 April 2026EDGAR
23 April 20266-Kno title given to EDGAR; the filing is linked23 April 2026EDGAR
23 April 20266-Kno title given to EDGAR; the filing is linked23 April 2026EDGAR
22 April 20266-Kno title given to EDGAR; the filing is linked22 April 2026EDGAR
16 April 20266-Kno title given to EDGAR; the filing is linked16 April 2026EDGAR
15 April 20266-Kno title given to EDGAR; the filing is linked15 April 2026EDGAR
14 April 20266-Kno title given to EDGAR; the filing is linked14 April 2026EDGAR
8 April 20266-Kno title given to EDGAR; the filing is linked8 April 2026EDGAR
1 April 20266-Kno title given to EDGAR; the filing is linked31 December 2025EDGAR
27 March 20266-Kno title given to EDGAR; the filing is linked27 March 2026EDGAR
27 March 20266-Kno title given to EDGAR; the filing is linked27 March 2026EDGAR
26 March 20266-Kno title given to EDGAR; the filing is linked26 March 2026EDGAR
25 March 202625-NSEdelisting notice by the exchangeEDGAR
19 March 20266-Kno title given to EDGAR; the filing is linked19 March 2026EDGAR
12 March 20266-Kno title given to EDGAR; the filing is linked12 March 2026EDGAR
5 March 20266-Kno title given to EDGAR; the filing is linked5 March 2026EDGAR
27 February 20266-Kno title given to EDGAR; the filing is linked27 February 2026EDGAR
27 February 202620-Fannual report (foreign filer)31 December 2025EDGAR
26 February 20266-Kno title given to EDGAR; the filing is linked31 December 2025EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked25 February 2026EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked25 February 2026EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked25 February 2026EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked25 February 2026EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked25 February 2026EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked25 February 2026EDGAR
25 February 20266-Kno title given to EDGAR; the filing is linked31 December 2025EDGAR
19 February 20266-Kno title given to EDGAR; the filing is linked19 February 2026EDGAR
18 February 20266-Kno title given to EDGAR; the filing is linked18 February 2026EDGAR
12 February 20266-Kno title given to EDGAR; the filing is linked12 February 2026EDGAR
10 February 20266-Kno title given to EDGAR; the filing is linked10 February 2026EDGAR
4 February 20266-Kno title given to EDGAR; the filing is linked4 February 2026EDGAR
3 February 20266-Kno title given to EDGAR; the filing is linked3 February 2026EDGAR
3 February 20266-Kno title given to EDGAR; the filing is linked3 February 2026EDGAR
3 February 20266-Kno title given to EDGAR; the filing is linked3 February 2026EDGAR
3 February 20266-Kno title given to EDGAR; the filing is linked31 December 2025EDGAR
3 February 20266-Kno title given to EDGAR; the filing is linked31 December 2025EDGAR
2 February 2026S-8employee share plan registrationEDGAR
28 January 20266-Kno title given to EDGAR; the filing is linked28 January 2026EDGAR
30 December 20256-Kno title given to EDGAR; the filing is linked30 December 2025EDGAR
23 December 20256-Kno title given to EDGAR; the filing is linked23 December 2025EDGAR
18 December 20256-Kno title given to EDGAR; the filing is linked18 December 2025EDGAR
11 December 20256-Kno title given to EDGAR; the filing is linked11 December 2025EDGAR
4 December 20256-Kno title given to EDGAR; the filing is linked4 December 2025EDGAR
2 December 20256-Kno title given to EDGAR; the filing is linked2 December 2025EDGAR
28 November 20256-Kno title given to EDGAR; the filing is linked28 November 2025EDGAR
20 November 20256-Kno title given to EDGAR; the filing is linked20 November 2025EDGAR
19 November 202525-NSEdelisting notice by the exchangeEDGAR
17 November 20256-Kno title given to EDGAR; the filing is linked17 November 2025EDGAR
13 November 20256-Kno title given to EDGAR; the filing is linked13 November 2025EDGAR
6 November 20256-Kno title given to EDGAR; the filing is linked6 November 2025EDGAR
6 November 20256-Kno title given to EDGAR; the filing is linked6 November 2025EDGAR
30 October 20256-Kno title given to EDGAR; the filing is linked30 October 2025EDGAR
30 October 20256-Kno title given to EDGAR; the filing is linked30 October 2025EDGAR
29 October 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR
29 October 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR
29 October 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR
29 October 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR
29 October 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR
23 October 20256-Kno title given to EDGAR; the filing is linked23 October 2025EDGAR
22 October 20256-Kno title given to EDGAR; the filing is linked22 October 2025EDGAR
16 October 20256-Kno title given to EDGAR; the filing is linked16 October 2025EDGAR
9 October 20256-Kno title given to EDGAR; the filing is linked9 October 2025EDGAR
3 October 20256-Kno title given to EDGAR; the filing is linked3 October 2025EDGAR
2 October 20256-Kno title given to EDGAR; the filing is linked2 October 2025EDGAR
30 September 20256-Kno title given to EDGAR; the filing is linked30 September 2025EDGAR

A foreign company listed in the US files a Form 6-K for what it publishes at home: results, share buybacks, directors' dealings, bond issues and notices. The 6-K carries no item numbers, so each is listed under the title the company gave EDGAR, where it gave one; the rest are linked to the filing itself. The annual report is the 20-F (or the 40-F for a Canadian filer). Form 144, 13F and Schedule 13D and 13G have their own pages; a foreign filer files no Form 4.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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