SEC Form 4 
FORM 4	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 	  
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	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).			
1. Name and Address of Reporting Person*
Golden Timothy P	

(Last)	(First)	(Middle)	
1680 CAPITAL ONE DRIVE	

(Street) 
MCLEAN	VA	22102	

(City)	(State)	(Zip)	
	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)	
Controller 	
		
	3. Date of Earliest Transaction (Month/Day/Year)
04/03/2018 		
	4. If Amendment, Date of 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	
	
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	04/03/2018		F(1) 		1,754	D	$95.44 	18,594	D		
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 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: 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					
Explanation of Responses:	
1. These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with the vesting of a previously reported award of restricted stock. This share withholding was authorized in the restricted stock award agreement.	
Remarks:	
Exhibit 24.1 - Power of Attorney - Golden	
	Cleo Belmonte (POA on file)	04/05/2018	
	** Signature of Reporting Person	Date	
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
* 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).	
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.	
Exhibit 24.1

POWER OF ATTORNEY

    The undersigned hereby constitutes and appoints Matthew W. Cooper, Polly N. Klane and Cleo Belmonte, each of them, as the true and lawful attorneys-in-fact (with full power of substitution and revocation in each) to:

      (1)   execute, for and on behalf of the undersigned, any and all statements and reports required or permitted to be filed by the undersigned, in any and all capacities, under Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules promulgated thereunder (the "Act") with respect to the beneficial ownership of the securities of Capital One Financial Corporation (the "Company"), including without limitation Forms 3, 4, 5, and Form 144 required to be filed by the undersigned under Rule 144 of the Securities Act of 1933, as amended;

      (2)   do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such statements and reports and file such statements and reports, with all amendments, supplements and exhibits thereto, with the Securities and Exchange Commission, the New York Stock Exchange and/or any other stock exchange or any similar authority and to deliver copies thereof to the Company;

      (3)   take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in his or her discretion; and

      (4)   request and receive from any broker (i) periodic reports detailing the undersigned's retail holdings of the Company's securities held in his or her account(s) and (ii) confirmations of acquisitions or dispositions of the Company's securities, or other derivative instruments based on any of the Company's equity, effected by such broker in or through his or her account(s), with no obligation to receive further approval from the undersigned for such request(s).

    The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever required, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully as the undersigned could do if personally present, with full power of substitution or revocation, and hereby ratifies and confirms all that such attorneys-in-fact shall lawfully do or cause to be done by virtue of this Power of Attorney. The undersigned acknowledges that the foregoing attorneys-in-fact, acting in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Act.

    This Power of Attorney revokes all prior Powers of Attorney submitted to the Company with respect to the matters expressed herein, and shall remain in full force and effect until the undersigned is no longer required to file statements or reports under Section 16(a) of the Act with respect to holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

    IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 6th day of February 2018.

    /s/ Timothy P. Golden
                            Name:  Timothy P. Golden

    ACKNOWLEDGEMENT FOR POWER OF ATTORNEY

STATE OF VIRGINIA        )
                    )      ss.
CITY/COUNTY OF FAIRFAX    )

The foregoing instrument was acknowledged before me this 6th day of February, 2018 by Timothy P. Golden.

                                /s/ Jamie N. Sklaney
                                Notary Public

(SEAL)

My commission expires 10/31/2020