Timothy D. Boswell - 01 Jul 2026 Form 4 Insider Report for WillScot Holdings Corp (WSC)

Reporting relationship: President & CEO, Director
Issuer ticker: WSC
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Jul 2026, 17:33:30 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: Steven Gary Shullaw as Attorney-in-Fact

Key filing fact

Timothy D. Boswell filed Form 4 for WillScot Holdings Corp (WSC) on 06 Jul 2026.

Key facts

This page summarizes Timothy D. Boswell's Form 4 filing for WillScot Holdings Corp (WSC).
3 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 06 Jul 2026, 17:33.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001723491 Primary reporting owner

Boswell Timothy D

Relationship: President & CEO, Director
Address: 6400 E MCDOWELL RD., 3RD FLOOR, SCOTTSDALE
Signature: Steven Gary Shullaw as Attorney-in-Fact
Signature date: 06 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WSC transaction

Common Stock

Options Exercise

Transaction value
Shares: +233,334
Change %: +1320%
Price
Shares after: 251,009
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1

WSC transaction

Common Stock

Tax liability

Transaction value
Shares: -97,651
Change %: -39%
Price: $27.36^*
Shares after: 153,358
Date: 01 Jul 2026
Ownership: Direct

WSC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 295,862
Date: 01 Jul 2026
Ownership: By EAB Irrevocable Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WSC transaction Derivative

Performance Stock Units

Options Exercise

Transaction value
Shares: -233,334
Change %: -60%
Price: $0.000000^*
Shares after: 153,434
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 233,334
Exercise price
Footnotes: F1, F2, F3

WSC holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 125,691
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 125,691
Exercise price: $13.60
Footnotes: F4

WSC holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100,000
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 100,000
Exercise price: $23.39
Footnotes: F5

WSC holding Derivative

Stock Options (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 100,000
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 100,000
Exercise price: $18.83
Footnotes: F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

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

Footnote F2

Timothy Boswell (the "Reporting Person") was granted a target number of 243,158 restricted stock units pursuant to the Performance-Based Restricted Stock Unit Agreement, by and between the Reporting Person and the Issuer, dated as of September 7, 2021 (the "Performance-Based RSU Agreement"). The actual number of restricted stock units that shall vest and become unrestricted may range from 0 to 583,334 restricted stock units based on criteria described in footnote 3 to this Form 4.

Footnote F3

Pursuant to the Performance-Based RSU Agreement, the target number of restricted stock units reported here vest upon the Common Stock achieving certain 60-day average closing prices, measured as of the 60 consecutive trading days immediately following the date on which third quarter results for each of 2022, 2023, 2024 and 2025 are filed (the "Measurement Periods"). The actual number of restricted stock units that shall be granted is cumulative and may vary according to achievement of agreed upon Share Price targets ranging from $42.50 to $60.00 during each annual Measurement Period, pursuant to the Performance-Based RSU Agreement. The cumulative number of restricted stock units earned vested and became unrestricted on July 1, 2026.

Footnote F4

These stock options (any such options, granted pursuant to one of the Issuer's stock option plans, collectively, referred to as "Options"), represent the right upon vesting to buy shares of Common Stock pursuant to the terms and conditions of the applicable stock option plan (the Issuer's stock option plans, collectively, referred to as the "Plan") and the Nonqualified Stock Option Award Agreement entered into between the Issuer and the Reporting Person as of March 20, 2018 (the "2018 Award Agreement"). The Options vested in equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the Plan and the 2018 Award Agreement.

Footnote F5

These Options represent the right upon vesting to buy shares of the Common Stock pursuant to the terms and conditions of the Plan and the Nonqualified Stock Option Award Agreement entered into between the Issuer and the Reporting Person as of September 4, 2025 (the "2025 Award Agreement"). The Options vest in equal installments on each of the first three anniversaries of the grant date subject to the terms and conditions of the Plan and the 2025 Award Agreement.

Footnote F6

These Options represent the right upon vesting to buy shares of the Common Stock pursuant to the terms and conditions of the Plan and the Nonqualified Stock Option Award Agreement entered into between the Issuer and the Reporting Person as of January 1, 2026 (the "2026 Award Agreement"). The Options vest in equal installments on each of the first three anniversaries of the grant date subject to the terms and conditions of the Plan and the 2026 Award Agreement.