Banco Santander, S.A. SEC filings SAN

Banco Santander, S.A. has 1,010 filings in SEC EDGAR's recent list, going back to Oct 10, 2017. Its latest annual report, Form 20-F, was filed on Feb 27, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 30, 2026. The company's fiscal year ends on December 31.

Banco Santander, S.A. SEC filings
Form Description Filed Period
6-K Current report (foreign issuer) Oct 30, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Oct 28, 2026 Oct 28, 2026
6-K Current report (foreign issuer) Oct 28, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Oct 28, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Oct 28, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Oct 28, 2026 Oct 28, 2026
6-K Current report (foreign issuer) Oct 22, 2026 Oct 22, 2026
6-K Current report (foreign issuer) Oct 21, 2026 Oct 21, 2026
6-K Current report (foreign issuer) Oct 15, 2026 Oct 15, 2026
6-K Current report (foreign issuer) Oct 15, 2026 Oct 15, 2026
6-K Current report (foreign issuer) Oct 15, 2026 Oct 15, 2026
6-K Current report (foreign issuer) Oct 14, 2026 Oct 14, 2026
6-K Current report (foreign issuer) Oct 14, 2026 Oct 14, 2026
6-K Current report (foreign issuer) Oct 8, 2026 Oct 8, 2026
6-K Current report (foreign issuer) Oct 1, 2026 Oct 1, 2026
6-K Current report (foreign issuer) Sep 29, 2026 Sep 29, 2026
6-K Current report (foreign issuer) Sep 24, 2026 Sep 24, 2026
425 Form 425 Sep 22, 2026 —
F-N Filing Sep 21, 2026 —
F-4 Filing Sep 21, 2026 —
6-K Current report (foreign issuer) Sep 17, 2026 Sep 17, 2026
25-NSE Delisting notice Sep 14, 2026 —
6-K Current report (foreign issuer) Sep 10, 2026 Sep 10, 2026
6-K Current report (foreign issuer) Sep 9, 2026 Sep 9, 2026
6-K Current report (foreign issuer) Sep 3, 2026 Sep 3, 2026
6-K Current report (foreign issuer) Sep 1, 2026 Sep 1, 2026
6-K Current report (foreign issuer) Sep 1, 2026 Aug 31, 2026
425 Form 425 Aug 31, 2026 —
CERT Nyse certification Aug 27, 2026 —
8-A12B Filing Aug 27, 2026 —
6-K Current report (foreign issuer) Aug 27, 2026 Aug 27, 2026
6-K Current report (foreign issuer) Aug 25, 2026 Aug 25, 2026
N-PX Filing Aug 25, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Aug 21, 2026 Aug 21, 2026
6-K Current report (foreign issuer) Aug 20, 2026 Aug 20, 2026
S-8 Employee stock plan registration Aug 19, 2026 —
S-8 Employee stock plan registration Aug 19, 2026 —
424B5 Prospectus supplement Aug 19, 2026 —
FWP Free writing prospectus Aug 19, 2026 —
424B5 Prospectus supplement Aug 18, 2026 —
425 Form 425 Aug 14, 2026 —
6-K Current report (foreign issuer) Aug 13, 2026 Aug 13, 2026
6-K Current report (foreign issuer) Aug 10, 2026 Aug 10, 2026
6-K Current report (foreign issuer) Aug 6, 2026 Aug 6, 2026
6-K Current report (foreign issuer) Aug 5, 2026 Aug 5, 2026
425 Form 425 Jul 30, 2026 —
6-K Current report (foreign issuer) Jul 30, 2026 Jul 30, 2026
6-K Current report (foreign issuer) Jul 30, 2026 Jul 30, 2026
6-K Current report (foreign issuer) Jul 24, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jul 24, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jul 23, 2026 Jul 23, 2026
6-K Current report (foreign issuer) Jul 22, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jul 22, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jul 22, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jul 16, 2026 Jul 16, 2026
6-K Current report (foreign issuer) Jul 15, 2026 Jul 15, 2026
SBSE-A/A Filing Jul 14, 2026 —
6-K Current report (foreign issuer) Jul 9, 2026 Jul 9, 2026
6-K Current report (foreign issuer) Jul 2, 2026 Jul 2, 2026
6-K Current report (foreign issuer) Jun 25, 2026 Jun 25, 2026
6-K Current report (foreign issuer) Jun 18, 2026 Jun 18, 2026
6-K Current report (foreign issuer) Jun 11, 2026 Jun 11, 2026
6-K Current report (foreign issuer) Jun 10, 2026 Jun 10, 2026
SC TO-I/A Filing Jun 10, 2026 —
CERT Nyse certification Jun 4, 2026 —
8-A12B Form 8-a12b Jun 4, 2026 —
6-K Current report (foreign issuer) Jun 4, 2026 Jun 4, 2026
6-K Current report (foreign issuer) Jun 3, 2026 Jun 3, 2026
424B5 Prospectus supplement May 28, 2026 —
6-K Current report (foreign issuer) May 28, 2026 May 27, 2026
FWP Free writing prospectus May 27, 2026 —
SC TO-I Filing May 27, 2026 —
424B5 Prospectus supplement May 27, 2026 —
6-K Current report (foreign issuer) May 27, 2026 May 27, 2026
6-K Current report (foreign issuer) May 27, 2026 May 27, 2026
425 Form 425 May 20, 2026 —
6-K Current report (foreign issuer) May 13, 2026 May 13, 2026
6-K Current report (foreign issuer) May 1, 2026 May 1, 2026
425 Form 425 Apr 29, 2026 —
6-K Current report (foreign issuer) Apr 29, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Apr 29, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Apr 29, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Apr 29, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Apr 24, 2026 Apr 24, 2026
424B3 Prospectus Apr 23, 2026 —
425 Form 425 Apr 23, 2026 —
6-K Current report (foreign issuer) Apr 23, 2026 Apr 23, 2026
6-K Current report (foreign issuer) Apr 23, 2026 Apr 23, 2026
EFFECT Filing Apr 22, 2026 —
6-K Current report (foreign issuer) Apr 22, 2026 Apr 22, 2026
CORRESP Letter to the SEC Apr 20, 2026 —
F-4/A Filing Apr 20, 2026 —
CERT Nyse certification Apr 17, 2026 —
8-A12B Form 8-a12b Apr 17, 2026 —
6-K Current report (foreign issuer) Apr 16, 2026 Apr 16, 2026
6-K Current report (foreign issuer) Apr 15, 2026 Apr 15, 2026
6-K Current report (foreign issuer) Apr 14, 2026 Apr 14, 2026
424B5 Prospectus supplement Apr 9, 2026 —
FWP Free writing prospectus Apr 9, 2026 —
424B5 Prospectus supplement Apr 8, 2026 —
6-K Current report (foreign issuer) Apr 8, 2026 Apr 8, 2026
425 Form 425 Apr 7, 2026 —
6-K Current report (foreign issuer) Apr 1, 2026 Dec 31, 2025
425 Form 425 Mar 27, 2026 —
6-K Current report (foreign issuer) Mar 27, 2026 Mar 27, 2026
6-K Current report (foreign issuer) Mar 27, 2026 Mar 27, 2026
6-K Current report (foreign issuer) Mar 26, 2026 Mar 26, 2026
25-NSE Delisting notice Mar 25, 2026 —
UPLOAD Letter from the SEC Mar 23, 2026 —
6-K Current report (foreign issuer) Mar 19, 2026 Mar 19, 2026
F-N Filing Mar 12, 2026 —
F-4 Filing Mar 12, 2026 —
6-K Current report (foreign issuer) Mar 12, 2026 Mar 12, 2026
6-K Current report (foreign issuer) Mar 5, 2026 Mar 5, 2026
F-N Filing Mar 4, 2026 —
F-3ASR Filing Mar 4, 2026 —
IRANNOTICE Filing Feb 27, 2026 —
20-F Annual report (foreign issuer) Feb 27, 2026 Dec 31, 2025
6-K Current report (foreign issuer) Feb 27, 2026 Feb 27, 2026
6-K Current report (foreign issuer) Feb 26, 2026 Dec 31, 2025
425 Form 425 Feb 25, 2026 —
425 Filing Feb 25, 2026 —
425 Form 425 Feb 25, 2026 —
6-K Current report (foreign issuer) Feb 25, 2026 Feb 25, 2026
6-K Current report (foreign issuer) Feb 25, 2026 Dec 31, 2025
425 Form 425 Feb 25, 2026 —
6-K Current report (foreign issuer) Feb 25, 2026 Feb 25, 2026
425 Form 425 Feb 25, 2026 —
6-K Current report (foreign issuer) Feb 25, 2026 Feb 25, 2026
425 Form 425 Feb 25, 2026 —
6-K Current report (foreign issuer) Feb 25, 2026 Feb 25, 2026
425 Form 425 Feb 25, 2026 —
6-K Current report (foreign issuer) Feb 25, 2026 Feb 25, 2026
425 Form 425 Feb 25, 2026 —
6-K Current report (foreign issuer) Feb 25, 2026 Feb 25, 2026
6-K Current report (foreign issuer) Feb 19, 2026 Feb 19, 2026
6-K Current report (foreign issuer) Feb 18, 2026 Feb 18, 2026
6-K Current report (foreign issuer) Feb 12, 2026 Feb 12, 2026
6-K Current report (foreign issuer) Feb 10, 2026 Feb 10, 2026
425 Form 425 Feb 9, 2026 —
425 Form 425 Feb 5, 2026 —
6-K Current report (foreign issuer) Feb 4, 2026 Feb 4, 2026
425 Form 425 Feb 4, 2026 —
425 Form 425 Feb 3, 2026 —
425 Form 425 Feb 3, 2026 —
425 Form 425 Feb 3, 2026 —
425 Form 425 Feb 3, 2026 —
425 Form 425 Feb 3, 2026 —
425 Form 425 Feb 3, 2026 —
6-K Current report (foreign issuer) Feb 3, 2026 Feb 3, 2026
6-K Current report (foreign issuer) Feb 3, 2026 Dec 31, 2025
6-K Current report (foreign issuer) Feb 3, 2026 Dec 31, 2025
425 Form 425 Feb 3, 2026 —
6-K Current report (foreign issuer) Feb 3, 2026 Feb 3, 2026
425 Form 425 Feb 3, 2026 —
6-K Current report (foreign issuer) Feb 3, 2026 Feb 3, 2026
S-8 Employee stock plan registration Feb 2, 2026 —
6-K Current report (foreign issuer) Jan 28, 2026 Jan 28, 2026
6-K Current report (foreign issuer) Dec 30, 2025 Dec 30, 2025
6-K Current report (foreign issuer) Dec 23, 2025 Dec 23, 2025
6-K Current report (foreign issuer) Dec 18, 2025 Dec 18, 2025
6-K Current report (foreign issuer) Dec 11, 2025 Dec 11, 2025
6-K Current report (foreign issuer) Dec 4, 2025 Dec 4, 2025
6-K Current report (foreign issuer) Dec 2, 2025 Dec 2, 2025
6-K Current report (foreign issuer) Nov 28, 2025 Nov 28, 2025
6-K Current report (foreign issuer) Nov 20, 2025 Nov 20, 2025
25-NSE Delisting notice Nov 19, 2025 —
6-K Current report (foreign issuer) Nov 17, 2025 Nov 17, 2025
6-K Current report (foreign issuer) Nov 13, 2025 Nov 13, 2025
CERT Nyse certification Nov 6, 2025 —
8-A12B Form 8-a12b Nov 6, 2025 —
6-K Current report (foreign issuer) Nov 6, 2025 Nov 6, 2025
6-K Current report (foreign issuer) Nov 6, 2025 Nov 6, 2025
424B5 Prospectus supplement Oct 31, 2025 —
FWP Free writing prospectus Oct 31, 2025 —
6-K Current report (foreign issuer) Oct 30, 2025 Oct 30, 2025
424B5 Prospectus supplement Oct 30, 2025 —
6-K Current report (foreign issuer) Oct 30, 2025 Oct 30, 2025
6-K Current report (foreign issuer) Oct 29, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Oct 29, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Oct 29, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Oct 29, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Oct 29, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Oct 23, 2025 Oct 23, 2025
6-K Current report (foreign issuer) Oct 22, 2025 Oct 22, 2025
6-K Current report (foreign issuer) Oct 16, 2025 Oct 16, 2025
6-K Current report (foreign issuer) Oct 9, 2025 Oct 9, 2025
6-K Current report (foreign issuer) Oct 3, 2025 Oct 3, 2025
6-K Current report (foreign issuer) Oct 2, 2025 Oct 2, 2025
6-K Current report (foreign issuer) Sep 30, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Sep 25, 2025 Sep 25, 2025
6-K Current report (foreign issuer) Sep 18, 2025 Sep 18, 2025
6-K Current report (foreign issuer) Sep 11, 2025 Sep 11, 2025
6-K Current report (foreign issuer) Sep 4, 2025 Sep 4, 2025
6-K Current report (foreign issuer) Aug 29, 2025 Aug 29, 2025
6-K Current report (foreign issuer) Aug 28, 2025 Aug 28, 2025
6-K Current report (foreign issuer) Aug 21, 2025 Aug 21, 2025
25-NSE Delisting notice Aug 18, 2025 —
N-PX Filing Aug 18, 2025 Jun 30, 2025
6-K Current report (foreign issuer) Aug 14, 2025 Aug 14, 2025

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Commercial Banks, NEC (SIC 6029)
Listed as
SAN (NYSE), BCDRF (OTC)
Fiscal year ends
December 31
Incorporated in
Spain
Headquarters
Madrid, Spain
SEC filer status
Large accelerated filer
SEC CIK
891478
Former names
BANCO SANTANDER SA (until Sep 25, 2007); BANCO SANTANDER CENTRAL HISPANO SA (until Sep 25, 2007); BANCO SANTANDER S A (until Feb 8, 1999)

Other Commercial Banks, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.