Sec Form 4/A Filing - Konzmann Richard Ernst @ Arlington Asset Investment Corp. - 2023-08-02

FORM 4/A 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 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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1. Name and Address of Reporting Person Konzmann Richard Ernst 2. Issuer Name and Ticker or Trading Symbol Arlington Asset Investment Corp. [ AAIC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP, CFO and Treasurer (Last) (First) (Middle) C/O ARLINGTON ASSET INVESTMENT CORP., 6862 ELM STREET, SUITE 320 3. Date of Earliest Transaction (MM/DD/YY) 08/02/2023 (Street) MCLEAN, VA22101 4. If Amendment, Date Original Filed (MM/DD/YY) 08/04/2023 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Class A Common Stock 205,660 ( 1 ) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Restricted Stock Units ( 2 ) 08/02/2023 A 330,882 ( 2 ) ( 2 ) ( 2 ) Clas A Common Stock ( 2 ) $ 0 330,882 ( 2 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Konzmann Richard Ernst C/O ARLINGTON ASSET INVESTMENT CORP. 6862 ELM STREET, SUITE 320 MCLEAN, VA22101 EVP, CFO and Treasurer Signatures D. Scott Parish, Attorney-in-Fact 09/11/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the current Class A common stock owned by the reporting person. No transaction occurred and is for informational purposes only. ( 2 )Represents Performance Restricted Stock Units ("Performance RSUs") originally granted on May 9, 2022 to the reporting person pursuant to the Arlington Asset Investment Corp. 2021 Long-Term Incentive Plan that were earned upon the achievement of certain performance goals. Each Performance RSU represents the right to receive one share of the Issuer's Class A common stock. The Performance RSUs vest ratably beginning on May 9, 2025, May 9, 2026 and May 9, 2027, or earlier upon a change in control of the Issuer. This Form 4 is being amended to correct the description of the award granted to the reporting person.

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).

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