Statement of Changes in Beneficial Ownership (4)

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 ^* Vassall Damien	2. Issuer Name and Ticker or Trading Symbol Williams Industrial Services Group Inc. [ WLMS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP, Chief Financial Officer
(Last) (First) (Middle) C/O WILLIAMS INDUSTRIAL SRVS GRP INC., 100 CRESCENT CENTRE PKWY STE 1240	3. Date of Earliest Transaction (MM/DD/YYYY) 12/3/2021
(Street) TUCKER, GA 30084 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, $0.01 par value per share	12/3/2021		P		6200	A	$3.2674 ⁽¹⁾	6200	D

*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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽²⁾							⁽²⁾	⁽²⁾	Common Stock	10374		10374	D
Restricted Stock Units	⁽³⁾							⁽³⁾	⁽³⁾	Common Stock	7467		7467	D

Explanation of Responses:
(1)	Represents the weighted average purchase price of multiple transactions, with shares purchased at prices ranging from $3.23 to $3.27 per share. The reporting person hereby undertakes to provide, upon request by the U.S. Securities and Exchange Commission staff, the issuer or a stockholder of the issuer, full information regarding the number of shares purchased at each separate price.
(2)	On March 31, 2020, the reporting person was granted time-based restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the issuer's common stock and which vest in three equal installments on March 31 of each of 2021, 2022 and 2023, subject to continued employment through the vesting date. The RSUs may be settled in shares of the issuer's common stock or cash (at the election of the issuer).
(3)	On March 31, 2021, the reporting person was granted time-based RSUs, each of which represents a contingent right to receive one share of the issuer's common stock and which vest in full on March 31, 2024, subject to continued employment through the vesting date. The RSUs may be settled in shares of the issuer's common stock or cash (at the election of the issuer).

Remarks:
Power of Attorney is attached hereto as Exhibit 24.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Vassall Damien C/O WILLIAMS INDUSTRIAL SRVS GRP INC. 100 CRESCENT CENTRE PKWY STE 1240 TUCKER, GA 30084			VP, Chief Financial Officer