Shanks Sally J

SEC source: 0001723497-26-000002 · ownership.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 837

Underlying: Common Stock · 836 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects restricted stock units that upon vesting convert into shares of common stock on a one-for-one basis.

F3 · derivative.exercise_date: Each unit is the economic equivalent of one share of the Company's stock. The restricted stock units were granted on August 25, 2025 and vest and settle in two equal installments on August 25, 2026 and 2027, subject to continued service witht the Company.

F3 · derivative.expiration_date: Each unit is the economic equivalent of one share of the Company's stock. The restricted stock units were granted on August 25, 2025 and vest and settle in two equal installments on August 25, 2026 and 2027, subject to continued service witht the Company.

SEC source: 0001723497-26-000002 · ownership.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 578

F2 · acquired: Reflects shares withheld to cover the Reporting Person's tax liability incident to the vesting of restricted stock units.

SEC source: 0001723497-26-000002 · ownership.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 836

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects restricted stock units that upon vesting convert into shares of common stock on a one-for-one basis.

SEC source: 0001193125-26-137967 · ownership.xml · derivative · entry 2

Shanks Sally J · CIK 0001723497 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,432

Underlying: Common Stock · 6,432 shares

Expires 2036-03-30

F3 · derivative.exercise_date: Non-qualified stock options granted on March 30, 2026 will vest and settle in three equal installments on March 30, 2027, 2028 and 2029, subject to continued service with the Company.

SEC source: 0001193125-26-137967 · ownership.xml · derivative · entry 1

Shanks Sally J · CIK 0001723497 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,796

Underlying: Common Stock · 2,796 shares

Expires not disclosed

F1 · derivative.exercise_price: Reflects restricted stock units that upon vesting convert into shares of common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each unit is the economic equivalent of one share of the Company's stock. The restricted stock units were granted on March 30, 2026 and will vest and settle in three equal installments on March 30, 2027, 2028 and 2029, subject to continued service with the Company.

F2 · derivative.expiration_date: Each unit is the economic equivalent of one share of the Company's stock. The restricted stock units were granted on March 30, 2026 and will vest and settle in three equal installments on March 30, 2027, 2028 and 2029, subject to continued service with the Company.

SEC source: 0000950170-25-111702 · ownership.xml · derivative · entry 1

Shanks Sally J · CIK 0001723497 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,673

Underlying: Common Stock · 1,673 shares

Expires not disclosed

F1 · derivative.exercise_price: Reflects restricted stock units that upon vesting convert into shares of common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each unit is the economic equivalent of one share of the Company's stock. The restricted stock units were granted on August 25, 2025 and will vest and settle in two equal installments on August 25, 2026 and 2027, subject to continued service with the Company.

F2 · derivative.expiration_date: Each unit is the economic equivalent of one share of the Company's stock. The restricted stock units were granted on August 25, 2025 and will vest and settle in two equal installments on August 25, 2026 and 2027, subject to continued service with the Company.

SEC source: 0000897069-25-000510 · form4.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,183

Underlying: Common stock · 919 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted 3,676 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted 3,676 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0000897069-25-000510 · form4.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,091

SEC source: 0000897069-25-000510 · form4.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,555

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0000897069-25-000495 · form4.xml · derivative · entry 6

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,102

Underlying: Common stock · 616 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 2,463 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 2,463 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0000897069-25-000495 · form4.xml · derivative · entry 5

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,402

Underlying: Common stock · 10,294 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 13,369 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 13,369 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0000897069-25-000495 · form4.xml · nonDerivative · entry 4

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,636

SEC source: 0000897069-25-000495 · form4.xml · nonDerivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,914

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0000897069-25-000495 · form4.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,298

SEC source: 0000897069-25-000495 · form4.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,017

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0000897069-25-000388 · form4.xml · derivative · entry 8

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,771

Underlying: Common stock · 6,450 shares

Expires not disclosed

F5 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F6 · derivative.exercise_date: On February 24, 2025, the Reporting Person was granted a target number of 6,450 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed Plan and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F6 · derivative.expiration_date: On February 24, 2025, the Reporting Person was granted a target number of 6,450 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed Plan and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0000897069-25-000388 · form4.xml · derivative · entry 7

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,718

Underlying: Common stock · 3,473 shares

Expires not disclosed

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On February 24, 2025, the Reporting Person was granted 3,473 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On February 24, 2025, the Reporting Person was granted 3,473 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0000897069-25-000388 · form4.xml · derivative · entry 6

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,245

Underlying: Common stock · 604 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On February 24, 2023, the Reporting Person was granted 2,414 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person. Remarks:

F3 · derivative.expiration_date: On February 24, 2023, the Reporting Person was granted 2,414 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person. Remarks:

SEC source: 0000897069-25-000388 · form4.xml · nonDerivative · entry 4

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,723

SEC source: 0000897069-25-000388 · form4.xml · nonDerivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,028

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0000897069-25-000388 · form4.xml · derivative · entry 5

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,849

Underlying: Common stock · 629 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On February 22, 2024, the Reporting Person was granted 2,156 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On February 22, 2024, the Reporting Person was granted 2,156 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0000897069-25-000388 · form4.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,424

SEC source: 0000897069-25-000388 · form4.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,742

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0000897069-24-002187 · form4.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,113

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.4700 to $34.8150, inclusive. The Reporting Person undertakes to provide to WillScot Mobile Mini Holdings Corp., any security holder of WillScot Mobile Mini Holdings Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001647088-24-000128 · wk-form4_1720210717.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,478

Underlying: Common stock · 1,906 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On July 2, 2020, the Reporting Person was granted 7,622 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date 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.

F2 · derivative.expiration_date: On July 2, 2020, the Reporting Person was granted 7,622 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date 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.

SEC source: 0001647088-24-000128 · wk-form4_1720210717.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,172

SEC source: 0001647088-24-000128 · wk-form4_1720210717.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,032

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-24-000065 · wk-form4_1709776211.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,384

Underlying: Common stock · 1,118 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 5, 2020, the Reporting Person was granted 4,470 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date 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.

F2 · derivative.expiration_date: On March 5, 2020, the Reporting Person was granted 4,470 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date 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.

SEC source: 0001647088-24-000065 · wk-form4_1709776211.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,126

SEC source: 0001647088-24-000065 · wk-form4_1709776211.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,631

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · derivative · entry 9

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,321

Underlying: Common stock · 22,058 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F5 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted a target number of 11,029 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the Russell 3000 Index at the grant date over the performance of three years subject to the terms and conditions of the Plan and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F5 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted a target number of 11,029 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the Russell 3000 Index at the grant date over the performance of three years subject to the terms and conditions of the Plan and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · derivative · entry 8

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,502

Underlying: Common stock · 919 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted 3,676 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted 3,676 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · nonDerivative · entry 6

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,513

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · nonDerivative · entry 5

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,462

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · nonDerivative · entry 4

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,404

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · nonDerivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,819

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · derivative · entry 7

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,421

Underlying: Common stock · 616 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 2,463 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 2,463 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,900

SEC source: 0001647088-24-000059 · wk-form4_1709682711.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,178

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-24-000040 · wk-form4_1708992742.xml · derivative · entry 5

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,037

Underlying: Common stock · 603 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F5 · derivative.exercise_date: On February 24, 2023, the Reporting Person was granted 2,414 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F5 · derivative.expiration_date: On February 24, 2023, the Reporting Person was granted 2,414 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001647088-24-000040 · wk-form4_1708992742.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,562

SEC source: 0001647088-24-000040 · wk-form4_1708992742.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,866

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-24-000040 · wk-form4_1708992742.xml · derivative · entry 4

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,640

Underlying: Common stock · 2,516 shares

Expires not disclosed

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On February 22, 2024, the Reporting Person was granted 2,156 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On February 22, 2024, the Reporting Person was granted 2,156 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001647088-24-000040 · wk-form4_1708992742.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,350

Underlying: Common stock · 4,673 shares

Expires not disclosed

F2 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On February 22, 2024, the Reporting Person was granted a target number of 4,673 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On February 22, 2024, the Reporting Person was granted a target number of 4,673 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001647088-23-000062 · wk-form4_1688594718.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,124

Underlying: Common stock · 1,905 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On July 2, 2020, the Reporting Person was granted 7,622 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date 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.

F2 · derivative.expiration_date: On July 2, 2020, the Reporting Person was granted 7,622 RSUs which vest annually in four equal installments on each of the first four anniversaries of the grant date 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.

SEC source: 0001647088-23-000062 · wk-form4_1688594718.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,263

SEC source: 0001647088-23-000062 · wk-form4_1688594718.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,837

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001647088-23-000050 · wk-form4_1687294651.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,932

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.02 to $47.14, inclusive. The Reporting Person undertakes to provide to WillScot Mobile Mini Holdings Corp., any security holder of WillScot Mobile Mini Holdings Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001104659-23-036071 · tm2310248-3_4seq1.xml · derivative · entry 3

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,029

Underlying: Common Stock · 1,604 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 21, 2019, the Reporting Person was granted 6,416 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Corporation 2017 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On March 21, 2019, the Reporting Person was granted 6,416 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Corporation 2017 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-23-036071 · tm2310248-3_4seq1.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,473