Kelly M. Williams - Jul 2, 2021 Form 4 Insider Report for WillScot Mobile Mini Holdings Corp. (WSC)

Role: President & COO
Signature: /s/ Christopher J. Miner as Attorney-in-Fact
Stock symbol: WSC
Transactions as of: Jul 2, 2021
Transactions value $: -$704,619
Form type: 4
Date filed: 7/7/2021, 01:12 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WSC	Common stock, par value $0.0001 per share	Options Exercise		+57.2K	+50.14%		171K	Jul 2, 2021	Direct	F1
transaction	WSC	Common stock, par value $0.0001 per share	Tax liability	-$705K	-25.4K	-14.85%	$27.73	146K	Jul 2, 2021	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WSC	Restricted Stock Units	Options Exercise	$0	-57.2K	-22.47%	$0.00	197K	Jul 2, 2021	Common Stock	57.2K		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	`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.
F2	Shares withheld to satisfy tax obligations upon the receipt of common stock in connection with the vesting of RSUs reported below in Table II.
F3	Each RSU represents a contingent right to receive upon vesting one share of common stock of the Issuer or its cash equivalent.
F4	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.