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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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 * WILLIAMS KELLY M	2. Issuer Name and Ticker or Trading Symbol WillScot Mobile Mini Holdings Corp. [ WSC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) President & COO
(Last)          (First)          (Middle) 4646 E. VAN BUREN STREET, SUITE 400	3. Date of Earliest Transaction (MM/DD/YYYY) 7/2/2021
(Street) PHOENIX, AZ 85008 (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, par value $0.0001 per share	7/2/2021		M		57164	A	(1)	171164	D
Common stock, par value $0.0001 per share	7/2/2021		F		25410 (2)	D	$27.73	145754	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
Restricted Stock Units	(3)	7/2/2021		M			57164	(4)	(4)	Common Stock	57164	$0	197230	D

Explanation of Responses:
(1)	`Represents common stock received upon the vesting of previously issued time-based restricted stock units ("RSUs"). The vesting of the RSUs is reported below in Table II.
(2)	Shares withheld to satisfy tax obligations upon the receipt of common stock in connection with the vesting of RSUs reported below in Table II.
(3)	Each RSU represents a contingent right to receive upon vesting one share of common stock of the Issuer or its cash equivalent.
(4)	Represents the annual vesting of RSUs originally granted on July 2, 2020. The Reporting Person was granted 228,659 RSUs on July 2, 2020 which vest annually in four equal installments (1/4 per year) on July 2 of each year beginning in 2021 subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WILLIAMS KELLY M 4646 E. VAN BUREN STREET, SUITE 400 PHOENIX, AZ 85008			President & COO

Signatures
/s/ Christopher J. Miner as Attorney-in-Fact		7/7/2021
**Signature of Reporting Person		Date