Capital One Financial (COF)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-01 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: CAPITAL ONE FINANCIAL CORP (COF) CIK: 0000927628 --- Reporting Owner --- Name: Cooper Matthew W CIK: 0001727277 Role: Officer (General Counsel & Corp Secy) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-01 | Code: S (Open market sale) Shares: -3,500 | Price: $214.10 Total Value: $749,350.00 Shares Owned After: 83,194 | Ownership: D (Direct) Footnotes: [F1] This transaction was executed pursuant to a trading plan entered into by the reporting person on January 26, 2026, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. --- Footnotes (Complete Index) --- F1: This transaction was executed pursuant to a trading plan entered into by the reporting person on January 26, 2026, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. --- Signature --- /s/ /s/ Katherine DeLuca (POA on file) (2026-09-02)