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 * THRC Holdings, LP 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)_____ Director                    __X__ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
17018 INTERSTATE 20
3. Date of Earliest Transaction (MM/DD/YYYY)
7/12/2021
(Street)
CISCO, TX 76437
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person
_ X _ 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

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
16.0% Convertible Senior Secured PIK (1)(2)  (3)(4) 7/12/2021    P     2750000       (4)  (2)(3) Class A Common Stock  2200000 (5)  (4) 2750000  D   

Explanation of Responses:
(1)  THRC Holdings LP ("Holdings"), a Texas limited partnership, directly holds the securities of the Issuer. THRC Management, LLC ("Management") a Texas limited liability company, as General Partner of Holdings, has exclusive voting and investment power over the shares of Issuer's Common Stock held by Holdings, and therefore, may be deemed to beneficially own such shares. Dan H. Wilks, as sole Manager of Management, together with his spouse, Staci Wilks, who share the same household, may be deemed to exercise voting and investment power over the securities directly owned by Holdings, and therefore, may be deemed to beneficially own such shares. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.
(2)  This Form 4 is being filed to report that, on July 12, 2021, Holdings purchased an aggregate of $2,750,000 in principal amount of 16.0% Convertible Senior Secured (Third Lien) PIK Notes of the Issuer (the "Notes"), that are convertible into shares of Class A Common Stock, pursuant to a Note Purchase Agreement, dated June 24, 2021 (the "Note Purchase Agreement"). The Notes are convertible by Holdings at any time prior to the payment in full of all outstanding principle and interest due under the Notes.
(3)  Subject to earlier conversion or redemption in accordance with their terms, the Notes will become due and payable on June 5, 2026 (the "Maturity Date") in a number of shares of Class A Common Stock, determined by dividing (a) the outstanding balance of the principal amount of the Notes (together with the accrued but unpaid interest on the Notes) as of the Maturity Date, by (b) the volume weighted average price of Class A Common Stock for the 20 trading day period immediately preceding the Maturity Date (or in such other manner as determined pursuant to the terms of the Note Purchase Agreement).
(4)  All or any portion of the Notes may be converted at the election of the holder thereof at any time into a number of shares of Class A Common Stock, determined by dividing (a) the outstanding balance of the principal amount of the Notes being converted (together with the accrued but unpaid interest thereon) as of the applicable conversion date, by (b) a conversion price of $1.25, which such conversion price is subject to certain anti-dilution adjustments in accordance with its terms.
(5)  This number represents the number of shares of Class A Common Stock issuable upon conversion of the Notes if the holder thereof elects to convert the Notes based on the principal amount of the Notes and the conversion price applicable to the Notes.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
THRC Holdings, LP
17018 INTERSTATE 20
CISCO, TX 76437

X

THRC Management, LLC
17018 INTERSTATE 20
CISCO, TX 76437

X

Wilks Dan H.
17018 INTERSTATE 20
CISCO, TX 76437

X

Wilks Staci
17018 INTERSTATE 20
CISCO, TX 76437

X


Signatures
/s/ Matthew Wilks, as attorney-in-fact 7/14/2021
**Signature of Reporting Person Date
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