Ownership Submission
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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
MOUNTAIN JAMES R
   2. Issuer Name and Ticker or Trading Symbol
Armour Residential REIT, Inc. [ARR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Financial Officer
(Last)
(First)
(Middle)
3001 OCEAN DRIVE, SUITE 201		 3. Date of Earliest Transaction (Month/Day/Year)
10/30/2017
(Street)

VERO BEACH, FL 32963		 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, par value $0.001 per share 10/30/2017   P   1,000 A $ 25.5 16,062 D  
Common Stock, par value $0.001 per share 10/30/2017   P   600 A $ 25.2767 16,662 D  
Common Stock, par value $0.001 per share 10/30/2017   P   2,400 A $ 25.45 19,062 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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 control number. SEC 1474 (9-02)

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
7.875% Series B Cumulative Redeemable Preferred Stock (1) 10/30/2017   S     2,000   (1)   (2) Common Stock, par value $0.001 per share 13,927.6 (1) $ 25.0369 (3) 0 D  
7.875% Series B Cumulative Redeemable Preferred Stock (1)               (1)   (2) Common Stock, par value $0.001 per share 8,704.75 (1) (4)   1,250 (4) I By Daughter

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MOUNTAIN JAMES R
3001 OCEAN DRIVE
SUITE 201
VERO BEACH, FL 32963		       Chief Financial Officer  

Signatures

 /s/ James R. Mountain   10/30/2017
**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) Upon the occurrence of a Change of Control (as defined in the Articles Supplementary relating to the Series B Preferred Stock) of the issuer, the reporting person will have the right to convert the shares of Series B Preferred Stock into a number of shares of common stock of the issuer per share of Series B Preferred Stock equal to the lesser of: (i) the quotient obtained by dividing (x) the sum of the $25.00 liquidation preference per share of Series B Preferred Stock plus the amount of any accumulated and unpaid dividends by (y) the Common Stock Price (as defined in the Articles Supplementary relating to the Series B Preferred Stock); and (ii) 6.9638, subject to certain adjustments indicated in the Articles Supplementary relating to the Series B Preferred Stock.
(2) The Series B Preferred Stock has no expiration date.
(3) The price reported in Column 8 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $25.02 to $25.06, inclusive. The reporting person undertakes to provide ARMOUR Residential REIT, Inc., any security holder of ARMOUR Residential REIT, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (3).
(4) The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.