Douglas W. Chambers - 01 Aug 2025 Form 4 Insider Report for ARRAY DIGITAL INFRASTRUCTURE, INC. (USM)

Reporting relationship: Interim President and CEO, Director
Issuer ticker: USM
Reported as of: 01 Aug 2025
Net transaction value: -$6,743,919
SEC form: 4
Accepted by SEC: 05 Aug 2025, 18:58:01 UTC
Prior SEC filing: 07 Apr 2025
Next SEC filing: 14 Aug 2025
Source filing: View source filing
Reporting owner signature: Julie D Mathews, by power of atty

Key filing fact

Douglas W. Chambers filed Form 4 for ARRAY DIGITAL INFRASTRUCTURE, INC. (USM) on 05 Aug 2025.

Key facts

This page summarizes Douglas W. Chambers's Form 4 filing for ARRAY DIGITAL INFRASTRUCTURE, INC. (USM).
13 reported transactions and 7 derivative rows are listed below.
Accepted by SEC: 05 Aug 2025, 18:58.

Change

Previous filing in this sequence was filed on 07 Apr 2025.
Current net transaction value: -$6,743,919.

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 0001739622 Primary reporting owner

Chambers Douglas W

Relationship: Interim President and CEO, Director
Address: 500 W. MADISON STREET, SUITE 810, CHICAGO
Signature: Julie D Mathews, by power of atty
Signature date: 05 Aug 2025

Reported non-derivative transactions

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

USM transaction

Common Shares

Options Exercise

Transaction value
Shares: +11,522
Change %: +14%
Price
Shares after: 94,517
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F1

USM transaction

Common Shares

Tax liability

Transaction value: $398,076
Shares: -5,416
Change %: -5.7%
Price: $73.50
Shares after: 89,101
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F2

USM transaction

Common Shares

Options Exercise

Transaction value
Shares: +41,132
Change %: +46%
Price
Shares after: 130,233
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F3

USM transaction

Common Shares

Tax liability

Transaction value: $1,420,976
Shares: -19,333
Change %: -15%
Price: $73.50
Shares after: 110,900
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F2

USM transaction

Common Shares

Options Exercise

Transaction value
Shares: +67,005
Change %: +60%
Price
Shares after: 177,905
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F4

USM transaction

Common Shares

Disposed to Issuer

Transaction value: $4,924,868
Shares: -67,005
Change %: -38%
Price: $73.50
Shares after: 110,900
Date: 01 Aug 2025
Ownership: Direct
Footnotes: F4

Reported derivative securities

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

USM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -11,522
Change %: -100%
Price
Shares after: 0
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 11,522
Exercise price
Footnotes: F1

USM transaction Derivative

Performance Share Units

Options Exercise

Transaction value
Shares: -41,132
Change %: -100%
Price
Shares after: 0
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 41,132
Exercise price
Footnotes: F3

USM transaction Derivative

Performance Share Units

Options Exercise

Transaction value
Shares: -30,225
Change %: -100%
Price
Shares after: 0
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 30,225
Exercise price
Footnotes: F4

USM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -13,812
Change %: -100%
Price
Shares after: 0
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 13,812
Exercise price
Footnotes: F4

USM transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +2,871
Change %: +33%
Price
Shares after: 11,484
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 2,871
Exercise price
Footnotes: F5

USM transaction Derivative

Performance Share Units

Options Exercise

Transaction value
Shares: -11,484
Change %: -100%
Price
Shares after: 0
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 11,484
Exercise price
Footnotes: F4

USM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -11,484
Change %: -100%
Price
Shares after: 0
Date: 01 Aug 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 11,484
Exercise price
Footnotes: F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

This transaction represents accelerated vesting and settlement of previously granted Restricted Stock Units in connection with the completion of Array's sale of its wireless operations and select spectrum assets.

Footnote F2

Shares withheld to pay taxes.

Footnote F3

This transaction represents accelerated vesting and settlement of previously granted Performance Share Units in connection with the completion of Array's sale of its wireless operations and select spectrum assets.

Footnote F4

This transaction represents accelerated vesting and cash settlement of Restricted Stock Units and Performance Share Units in connection with the completion of Array's sale of its wireless operation and select spectrum assets.

Footnote F5

On March 3, 2025, reporting person was granted an award based on achievement of certain performance measures at 75% of the target opportunity as of the grant date. In connection with the completion of Array's sale of its wireless operation and select spectrum assets, reporting person's performance share units were accelerated for vesting to 100% of target.