Array Digital Infrastructure AD · USD

On August 1, 2025, United States Cellular Corporation changed its name to Array Digital Infrastructure, Inc. (Array). Array is used throughout this report even when referring to historical periods. On August 12, 2025, the Array Common Shares ticker symbol on the New York Stock Exchange changed to "AD". Array connects America through digital infrastructure by leasing tower space to tenants and providing ancillary services. As of December 31, 2025, Array owns 4,450 towers in 19 states. Array also holds noncontrolling interests in primarily wireless operating companies and holds certain wireless spectrum licenses. As of December 31, 2025, Array is an 82.0%-owned subsidiary of Telephone and Data Systems, Inc. (TDS). Through July 31, 2025, Array provided wireless communication services; these operations and certain wireless spectrum licenses were disposed of on August 1, 2025, as discussed further below.

Array is the fifth largest tower owner and operator of shared wireless communications infrastructure in the United States. With 4,450 cell towers, Array enables the deployment of 5G and other wireless technologies throughout the country. Array has a unique wireless carrier heritage and has owned and operated towers for over 40 years. This experience gives Array a robust understanding of the needs of its wireless customers and enables the delivery of exceptional service. Array has built a strong and focused organization that has been and will be relied upon as an efficient and cost-effective partner for colocation.

Quoted from its 10-K, filed 20 Feb 2026. Read the filing on SEC.gov ↗