Sec Form 4 Filing - TREADWELL DAVID L @ U.S. WELL SERVICES, INC. - 2020-06-19

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 TREADWELL DAVID L 2. Issuer Name and Ticker or Trading Symbol U.S. WELL SERVICES, INC. [ USWS] 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) 1360 POST OAK BOULEVARD, SUITE 1800 3. Date of Earliest Transaction (MM/DD/YY) 06/19/2020 (Street) HOUSTON, TX77056 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

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 Series B Redeemable Convertible Preferred Stock ( 1 ) ( 2 ) 06/19/2020 P 200 ( 3 ) ( 4 ) Class A Common Stock ( 5 ) ( 1 ) ( 2 ) 200 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other TREADWELL DAVID L 1360 POST OAK BOULEVARD, SUITE 1800 HOUSTON, TX77056 X Signatures /s/ Kyle O'Neill, Attorney-in-Fact 06/23/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On June 19, 2020, the Reporting Person purchased 200 shares (the "Purchased Series B Preferred Shares") of the Issuer's Series B Redeemable Convertible Preferred Stock, par value $0.0001 per share (the "Series B Preferred Stock"), in a privately negotiated transaction for an aggregate purchase price of $200,000 in cash, plus accrued dividends of $5,296.67. Each of the Purchased Series B Preferred Shares is convertible into a number of shares of Class A Common Stock equal to (i) the Liquidation Preference (as defined in the Certificate of Designations of the Series B Preferred Stock (the "Certificate of Designations")) as of the date of conversion divided by (ii) the then applicable Conversion Price (as defined in the Certificate of Designations). ( 2 )The Liquidation Preference was initially $1,000 and is subject to increase as provided in the Certificate of Designations if the Issuer does not pay quarterly dividends on the Series B Preferred Stock in cash. The Conversion Price is initially $0.308 and is subject to adjustment in certain circumstances as provided in the Certificate of Designations. ( 3 )Subject to the terms and conditions of the Certificate of Designations, the Reporting Person may, at his option at any time, convert all or a portion of the Purchased Series B Preferred Shares into shares of Class A Common Stock. ( 4 )The Purchased Series B Preferred Shares do not have an expiration date, provided that in certain circumstances on or after April 1, 2023, the Issuer may, at its option, convert all or a portion of the Purchased Series B Preferred Shares at the same conversion rate described above. In addition, at any time on or after October 1, 2021, the Issuer may, at its option, redeem all or a portion of the Purchased Series B Preferred Shares at a redemption price equal to the then applicable Liquidation Preference described above, provided that the Reporting Person may, at his option, convert his shares as described above within five business days of receipt of the notice of redemption. ( 5 )The number of shares of Class A Common Stock into which the Series B Preferred Shares are convertible as calculated above. Based on the initial Liquidation Preference and Conversion Price, 649,351 shares of Class A Common Stock are initially issuable upon conversion of the 200 Series B Preferred Shares held by 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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