SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Marshall Andrew

(Last)

(First)

(Middle)

251 E. FRONT STREET

SUITE 400

(Street)

BOISE

83702

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/23/2017

3. Issuer Name and Ticker or Trading Symbol
US ECOLOGY, INC. [ ECOL ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP of Reg. Compl. & Safety

5. If Amendment, Date of Original Filed (Month/Day/Year)

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	3,978	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock Option	⁽¹⁾	03/05/2024	Common Stock	1,500	$37.73	D
Common Stock Option	⁽²⁾	03/09/2025	Common Stock	2,110	$49.97	D
Common Stock Option	⁽³⁾	03/07/2026	Common Stock	4,530	$39.1	D
Restricted Stock Unit	⁽⁴⁾	⁽⁴⁾	Common Stock	640	⁽⁶⁾	D
Restricted Stock Unit	⁽⁵⁾	⁽⁵⁾	Common Stock	2,090	⁽⁶⁾	D

Explanation of Responses:

1. Employee Stock Options vest in three equal annual installments beginning on 3/5/2015. The original grant was for 2250 options, 750 of which have been exercised.

2. Employee Stock Options vest in three equal annual installments beginning on 3/9/2016. The original grant was for 2110 options, 1407 of which are exerciseable.

3. Employee Stock Options vest in three equal annual installments beginning on 3/7/2017. The original grant was for 4530 options, 1510 of which are exerciseable.

4. Restricted Stock Units vest in three equal annual installments beginning on 3/7/2017. The original grant was for 960 units, 320 of which vested on 3/7/2017.

5. Restricted Stock Units vest in three equal annual installments beginning on 3/8/2018.

6. Each restricted stock unit represents a contingent right to receive, upon vesting, one share of common stock of US Ecology, Inc.

	/s/ Andrew Marshall	05/25/2017
	** 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 5 (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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.