GWRS Global Water Resources Inc

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 * Krupa Heather M	2. Issuer Name and Ticker or Trading Symbol Global Water Resources, Inc. [ GWRS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Vice President and Controller
(Last)          (First)          (Middle) C/O GLOBAL WATER RESOURCES, INC., 21410 NORTH 19TH AVENUE, SUITE 220	3. Date of Earliest Transaction (MM/DD/YYYY) 8/12/2021
(Street) PHOENIX, AZ 85027 (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	8/12/2021		M		16500	A	$9.40	30700	D
Common Stock	8/12/2021		D		16500	D	$18.20	14200	D
Common Stock	8/12/2021		M		5000	A	$11.26	19200	D
Common Stock	8/12/2021		F		3093	D	$18.20	16107	D
Common Stock	8/13/2021		M		5000	A	$11.26	21107	D
Common Stock	8/13/2021		F		2756	D	$20.43	18351	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
Stock Appreciation Right	$9.4	8/12/2021		M			16500	(1)	8/10/2027	Common Stock	16500.0	$0	0	D
Stock Option (Right to Buy)	$11.26	8/12/2021		D			5000	(2)	8/13/2029	Common Stock	5000.0	$0	15000	D
Stock Option (Right to Buy)	$11.26	8/13/2021		D			5000	(2)	8/13/2029	Common Stock	5000.0	$0	10000	D

Explanation of Responses:
(1)	The reporting person was originally granted 33,000 shares of stock appreciation rights on August 10, 2017. The stock appreciation rights vest over four years, 25% per year.
(2)	The reporting person was originally granted 20,000 stock options on August 13, 2019. The option vests in four equal annual installments on August 13, 2020, August 13, 2021, August 13, 2022, and August 13, 2023.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Krupa Heather M C/O GLOBAL WATER RESOURCES, INC. 21410 NORTH 19TH AVENUE, SUITE 220 PHOENIX, AZ 85027			Vice President and Controller

Signatures
/s/ Heather M Krupa, attorney-in-fact		8/13/2021
**Signature of Reporting Person		Date