Statement of Changes in Beneficial Ownership (4)

FORM 4

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Alexander Robert M.	2. Issuer Name and Ticker or Trading Symbol CAPITAL ONE FINANCIAL CORP [ COF ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Chief Information Officer
(Last)          (First)          (Middle) 1680 CAPITAL ONE DRIVE	3. Date of Earliest Transaction (MM/DD/YYYY) 6/1/2021
(Street) MCLEAN, VA 22102 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock (1)	6/1/2021		M		28540	A	$63.73	102084	D
Common Stock (1)	6/1/2021		S		23042	D	$164.45 (2)	79042	D
Common Stock (1)	6/1/2021		S		15190	D	$165.16 (3)	63852	D
Common Stock								2	I	Robert M. Alexander UGMA
Common Stock								100	I	The Alexander Fund

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (1)	$63.73	6/1/2021		M			28540	(4)	2/3/2026	Common Stock	28540.0	$0	0	D

Explanation of Responses:
(1)	This transaction was executed pursuant to a trading plan entered into by the reporting person on April 30, 2021, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.
(2)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.85 to $164.84. Information regarding the number of shares sold at each price will be provided upon request.
(3)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.86 to $165.61. Information regarding the number of shares sold at each price will be provided upon request.
(4)	This option became exercisable in 1/3 increments beginning on February 15, 2017 and annually thereafter.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Alexander Robert M. 1680 CAPITAL ONE DRIVE MCLEAN, VA 22102			Chief Information Officer

Signatures
/s/ Cleo Belmonte (POA on file)		6/3/2021
**Signature of Reporting Person		Date