NRCG NRC Group Holdings Corp

[ ] 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 * Peterson Joseph J.	2. Issuer Name and Ticker or Trading Symbol NRC GROUP HOLDINGS CORP. [ NRCG ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Principal Financial Officer
(Last)          (First)          (Middle) C/O NRC GROUP HOLDINGS CORP., 952 ECHO LANE, SUITE 460	3. Date of Earliest Transaction (MM/DD/YYYY) 11/1/2019
(Street) HOUSTON, TX 77024 (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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/1/2019		D		131607 (1)(2)	D	(1)(2)	0	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	Pursuant to the merger agreement between NRC Group Holdings Corp. (the "Issuer"), US Ecology, Inc., US Ecology Parent, Inc. ("Holdco"), Rooster Merger Sub, Inc. and ECOL Merger Sub, Inc. (the "Merger Agreement"), each share of the Issuer's common stock issued and outstanding immediately prior to the effective time of the mergers (the "Effective Time") was converted into the right to receive, and became exchangeable for, (1) 0.196 of a share of Holdco common stock for each share of the Issuer's common stock and (2) any cash in lieu of fractional shares of Holdco common stock. The Holdco common stock had a market value of approximately $62.23 per share at the close of market immediately prior to the Effective Time.
(2)	Includes unvested restricted stock units representing a contingent right to receive 96,586 shares of NRCG common stock upon vesting and settlement of such restricted stock units. The restricted stock units vest in three equal annual installments with the first tranche having vested on October 17, 2019 and the next tranches vesting on October 17, 2020 and October 17, 2021, respectively, subject to the satisfaction of the terms and conditions in the restricted stock unit agreement. The unvested restricted stock units were assumed by Holdco in the mergers and replaced with restricted stock units to receive shares of Holdco common stock as set forth in the Merger Agreement.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Peterson Joseph J. C/O NRC GROUP HOLDINGS CORP. 952 ECHO LANE, SUITE 460 HOUSTON, TX 77024			Principal Financial Officer

Signatures
/s/ Joseph Peterson		11/1/2019
**Signature of Reporting Person		Date

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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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