Banco Santander, S.A.
corporate_fare Company Profile
Banco Santander, S.A. (NYSE:SAN) is a publicly traded company in the Finance sector. Wiseek has independently scored 73 items for SAN at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-09-21, rated 7/10. Across its 20 most recent items scored 7 or higher, the top rating is 9/10, with 12 rated 8 or above. Recent SEC coverage for SAN spans F-4, 6-K, SC TO-I/A, 424B5.
Recent high-impact activity:
- Santander Files Registration for Exchange Offer to Acquire Remaining ~10% of Brazil Unit
- Santander Completes €5.03B Buyback, Reduces Share Capital by 3.08%
- Santander Completes Webster Acquisition, Issues 329.8M Shares at €10.79
- Santander Completes Webster Acquisition, Creating $327B U.S. Banking Giant
- Santander extends capital return streak with €1.8B buyback launch
Financial Snapshot
Short Interest & Short Volume
5.34 days to coverFINRA reported short interest of 40,768,871 shares in SAN as of the September 15, 2026 settlement, a 22.2% decrease from the prior period — about 5.3 days to cover at its recent average daily volume. On October 2, 2026, 40.7% of SAN volume reported to FINRA trade-reporting facilities was marked short.
Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.
Dilution Risk
Low riskFiling-implied dilution signals for SAN, detected from its recent SEC filings · based on capital-structure filings through 2026-08-19.
Acquisition Details Finalized · Shareholder Vote Scheduled
⚠ A more recent filing has been published for this ticker since this signal was computed; it may not yet be reflected — see the filings below.
A filing-implied signal, not a realized share count. How Wiseek tracks dilution →
Insider Transactions
SAN files as a Foreign Private Issuer (FPI). Under SEC Exchange Act Section 16(a), officers, directors, and 10% owners of FPIs are exempt from Form 4 insider-transaction reporting requirements. Comparable disclosures, when applicable, appear in the company's Form 20-F (annual) or Form 6-K (interim) filings on SEC EDGAR.