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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Cooper Matthew W   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) General Counsel (Last) (First) (Middle) 1680 CAPITAL ONE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 02/15/2018 (Street) MCLEAN, VA 22102 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 02/15/2018   M   519 A $ 0 (1) 28,907 D   Common Stock 02/15/2018   M   1,688 A $ 0 (1) 30,595 D   Common Stock 02/15/2018   M   1,600 A $ 0 (1) 32,195 D   Common Stock 02/15/2018   M   4,124 A $ 0 (2) 36,319 D   Common Stock 02/15/2018   D   519 D $ 99.52 (1) 35,800 D   Common Stock 02/15/2018   D   1,688 D $ 99.52 (1) 34,112 D   Common Stock 02/15/2018   D   1,600 D $ 99.52 (1) 32,512 D   Common Stock 02/15/2018   D   4,124 D $ 99.52 (2) 28,388 D   Common Stock 02/15/2018   F(3)   579 D $ 98.67 27,809 D   Common Stock 02/15/2018   F(4)   1,103 D $ 98.67 26,706 D   Common Stock 02/15/2018   F(5)   1,076 D $ 98.67 25,630 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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

2015 Restricted Stock Units

$ 0 (1)

02/15/2018

M

519

(6)

(6)

Common Stock

519

$ 0 (1)

0

D

2016 Restricted Stock Units

$ 0 (1)

02/15/2018

M

1,688

(7)

(7)

Common Stock

1,688

$ 0 (1)

1,688

D

2017 Restricted Stock Units

$ 0 (1)

02/15/2018

M

1,600

(8)

(8)

Common Stock

1,600

$ 0 (1)

3,201

D

Restricted Stock Units

$ 0 (2)

02/15/2018

M

4,124

02/15/2018(2)

02/15/2018(2)

Common Stock

4,124

$ 0 (2)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Cooper Matthew W 1680 CAPITAL ONE DRIVE MCLEAN, VA 22102			General Counsel

Signatures

Cleo Belmonte (POA on file)		02/20/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On February 15, 2018 the restricted stock units were settled in cash based on the Company's average fair market value of shares of common stock over the fifteen trading days preceding the vesting date.
(2)	Each restricted stock unit vested on January 1, 2018 and settled in cash on February 15, 2018 based on the Company's average fair market value of the underlying shares of common stock over the fifteen trading days preceding the settlement date.
(3)	Represents the automatic withholding by the issuer to satisfy the reporting person's tax obligation associated with the vesting of restricted stock units granted on January 29, 2015. This is authorized in the applicable restricted stock award agreement.
(4)	Represents the automatic withholding by the issuer to satisfy the reporting person's tax obligation associated with the vesting of restricted stock units granted on February 4, 2016. This is authorized in the applicable restricted stock award agreement.
(5)	Represents the automatic withholding by the issuer to satisfy the reporting person's tax obligation associated with the vesting of restricted stock units granted on February 2, 2017. This is authorized in the applicable restricted stock award agreement.
(6)	These restricted stock units vest in 1/3 increments beginning on February 15, 2016 and annually thereafter.
(7)	These restricted stock units vest in 1/3 increments beginning on February 15, 2017 and annually thereafter.
(8)	These restricted stock units vest in 1/3 increments beginning on February 15, 2018 and annually thereafter.

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