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 * Zimmer Jeffrey J 2. Issuer Name and Ticker or Trading Symbol Armour Residential REIT, Inc. [ ARR ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Co-CEO and President
(Last)         (First)         (Middle)
3001 OCEAN DRIVE, SUITE #201
3. Date of Earliest Transaction (MM/DD/YYYY)
9/30/2021
(Street)
VERO BEACH, FL 32963
(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, par value $0.001 per share  9/30/2021    S(1)    28763 (1) D $10.8038 (2) 0 (3) I  By ARMOUR Capital Management LP 
Common Stock, par value $0.001 per share                 171234  D   

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

Explanation of Responses:
(1)  The shares were part of 80,000 shares sold by ARMOUR Capital Management LP ("ACM"), a limited partnership that is the external manager of the issuer. Mr. Zimmer is reporting a sale by ACM of the shares in which he has a pecuniary interest based on his proportionate ownership interest in ACM.
(2)  The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $10.77 to $10.84, 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 sold at each separate price within the ranges set forth in this footnote (1).
(3)  The reported shares were held directly by ACM. The 80,000 shares held by ACM were reported in the aggregate for both Mr. Zimmer and Mr. Ulm, a Co-CEO of the issuer, in previous Form 4 reports. Mr. Zimmer is the sole controlling member of Remmiz LLC, which is one of the general partners of ACM, along with an entity controlled by Mr. Ulm.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Zimmer Jeffrey J
3001 OCEAN DRIVE
SUITE #201
VERO BEACH, FL 32963
X
Co-CEO and President

Signatures
/s/ Jeffrey J. Zimmer 10/1/2021
**Signature of Reporting Person Date
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