Sec Form 4 Filing - Pogosyan Liana @ Xos, Inc. - 2023-07-10

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 Pogosyan Liana 2. Issuer Name and Ticker or Trading Symbol Xos, Inc. [ XOS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Acting Chief Financial Officer (Last) (First) (Middle) C/O XOS, INC., 3550 TYBURN ST., UNIT 100 3. Date of Earliest Transaction (MM/DD/YY) 07/10/2023 (Street) LOS ANGELES, CA90065 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 07/10/2023 A 238,095 ( 1 ) A $ 0 412,002 ( 2 ) D Common Stock 09/11/2023 F 24,578 ( 3 ) D $ 0.3 387,424 ( 4 ) 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 Pogosyan Liana C/O XOS, INC. 3550 TYBURN ST., UNIT 100 LOS ANGELES, CA90065 Acting Chief Financial Officer Signatures /s/ Christen Romero, Attorney-in-Fact for Liana Pogosyan 09/13/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Twenty-five percent (25%) of the Restricted Stock Unit ("RSU") grant shall vest on September 10, 2023, and the remaining RSU grant shall vest ratably on each of the next nine (9) Monthly Vesting Dates thereafter. "Monthly Vesting Dates" means the 10th of each month, provided, however, that to the extent any such date occurs on a weekend day or U.S. federal holiday, the Monthly Vesting Date will be deemed to occur on the immediately following day that is not a weekend day or U.S. federal holiday. ( 2 )This transaction is being reported late due to inadvertent administrative error. The amount in Column 5 of this Form 4 reflects the number of shares beneficially owned by the Reporting Person as of the date of this report after giving effect to the reported transaction and previously reported transactions that occurred after July 10, 2023. ( 3 )Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported RSU Award. Each RSU represents a contingent right to receive one share of common stock upon settlement. ( 4 )Includes 210,078 unvested RSUs.

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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