Sec Form 4 Filing - Sprinkle C Ray @ FIRST NATIONAL CORP /VA/ - 2021-07-01

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 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 Sprinkle C Ray 2. Issuer Name and Ticker or Trading Symbol FIRST NATIONAL CORP /VA/ [ FXNC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 112 WEST KING STREET 3. Date of Earliest Transaction (MM/DD/YY) 07/01/2021 (Street) STRASBURG, VA22657 4. If Amendment, Date Original Filed (MM/DD/YY) 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 Common Stock, $1.25 par value 07/01/2021 A 18,957 A 18,957 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Sprinkle C Ray 112 WEST KING STREET STRASBURG, VA22657 X Signatures M Shane Bell, by Power of Attorney 07/06/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects common shares of First National Corporation received in exchange for 114,964 common shares of The Bank of Fincastle at the effective time of the merger of The Bank of Fincastle into First National Corporation, pursuant to the agreement and plan of merger between First National Corporation and The Bank of Fincastle. Represents an exchange ratio of 0.1649 First National Corporation common shares per common share of The Bank of Fincastle, with cash paid in lieu of fractional shares. ( 2 )The closing price per common share of The Bank of Fincastle on the day immediately preceding the effective date of the merger was $3.25 per share, and the closing price per common share of First National Corporation on the effective date of the merger was $20.08 per share. ( 3 )For purposes of filing this Form 4, the number of shares of First National Corporation common stock is estimated based on the reporting person's election under the merger agreement and will be updated if the final number differs materially from this estimate.

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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