CAPITAL ONE FINANCIAL CORP (COF) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-08 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CAPITAL ONE FINANCIAL CORP (COF) CIK: 0000927628 --- Reporting Owner --- Name: Serra Eileen CIK: 0001721344 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-08 | Code: A (Grant or award) Shares: +1,294 | Price: $0.00 Shares Owned After: 12,844 | Ownership: D (Direct) Footnotes: [F1] Restricted stock units that vest in their entirety on May 8, 2027. The reporting person will also be entitled to additional shares representing dividends accrued on the shares issuable at settlement. [F2] Includes shares representing dividends accrued on shares that were issued upon vesting of restricted stock units since the last reported transaction. --- Footnotes (Complete Index) --- F1: Restricted stock units that vest in their entirety on May 8, 2027. The reporting person will also be entitled to additional shares representing dividends accrued on the shares issuable at settlement. F2: Includes shares representing dividends accrued on shares that were issued upon vesting of restricted stock units since the last reported transaction. --- Signature --- /s/ /s/ Katherine DeLuca (POA on file) (2026-05-12)