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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OMB Number: 3235-0287
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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 *

WELLING STEVEN D		 2. Issuer Name and Ticker or Trading Symbol

US Ecology, Inc. [ ECOL ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
EVP Sales & Marketing
(Last)          (First)          (Middle)

101 S. CAPITOL BLVD., SUITE 1000		 3. Date of Earliest Transaction (MM/DD/YYYY)

5/2/2022
(Street)

BOISE, ID 83702
(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 5/2/2022  D(1)  47533 (1)D$48 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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy) (2)$49.97 5/2/2022  D (2)    9300  3/9/2016 (2)3/9/2025 Common Stock 9300 $0 (2)0 D  
Stock Option (Right to Buy) (2)$35.05 5/2/2022  D (2)    2300  1/3/2017 (2)1/3/2026 Common Stock 2300 $0 (2)0 D  
Stock Option (Right to Buy) (2)$49.15 5/2/2022  D (2)    6000  1/1/2018 (2)1/1/2027 Common Stock 6000 $0 (2)0 D  
Stock Option (Right to Buy) (2)$51 5/2/2022  D (2)    6900  1/1/2019 (2)1/1/2028 Common Stock 6900 $0 (2)0 D  
Stock Option (Right to Buy) (2)$63.85 5/2/2022  D (2)    6100  1/1/2020 (2)1/1/2029 Common Stock 6100 $0 (2)0 D  
Stock Option (Right to Buy) (2)$57.04 5/2/2022  D (2)    9900  1/1/2021 (2)1/1/2030 Common Stock 9900 $0 (2)0 D  
Stock Option (Right to Buy) (2)$35.30 5/2/2022  D (2)    31600  1/3/2022 (2)1/3/2031 Common Stock 31600 $0 (2)0 D  
Performance Stock Units (3) (3)5/2/2022  D (3)    7601   (3)12/31/2022 Common Stock 7601 $0 (3)0 D  
Performance Stock Units (3) (3)5/2/2022  D (3)    9322   (3)12/31/2024 Common Stock 9322 $0 (3)0 D  
Explanation of Responses:
(1) Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), entered into on February 8, 2022, by and among the Issuer, Republic Services, Inc. ("Parent") and Bronco Acquisition Corp. (filed as Exhibit 2.1 to the Form 8-K filed with the Securities and Exchange Commission on February 10, 2022). At the effective time of the merger, each Issuer share of common stock issued and outstanding immediately prior to the effective time of the merger was converted into the right to receive $48.00 per share in cash without interest ("Merger Consideration").
(2) Pursuant to the Merger Agreement, at the effective time of the merger, each outstanding stock option of the Issuer became fully vested and was cancelled and entitled the holder of such option to receive in exchange therefor an amount in cash equal to (a) the number of shares of Issuer common stock subject to the option multiplied by (b) the excess of the Merger Consideration over the per-share exercise price of such option.
(3) Pursuant to the Merger Agreement, at the effective time of the merger, each performance stock unit ("PSU") became fully vested and was cancelled and entitled the holder of such PSU to receive in exchange therefor an amount in cash equal to (a) the number of shares of Issuer Common Stock equal to the greater of (i) the target number of shares of Issuer Common Stock with respect to such PSU as defined and set forth in the applicable award agreement and (ii) the number of shares of Issuer Common Stock determined based upon the actual level of achievement through the latest practicable date prior to the effective time of the merger multiplied by (b) the Merger Consideration.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
WELLING STEVEN D
101 S. CAPITOL BLVD.
SUITE 1000
BOISE, ID 83702

EVP Sales & Marketing
Signatures
/s/ Wayne Ipsen, by Power of Attorney5/3/2022
**Signature of Reporting PersonDate
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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