TDS completes $4.3B wireless sale to T-Mobile, monetizes $1B spectrum to AT&T, proposes Array buyout

Filed May 8, 2026 · Period ending March 31, 2026 · Compared to 10-Q May 2, 2025 · ~2 min read

Key Changes

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  TDS closed sale of wireless operations to T-Mobile for $4.3B ($2.6B cash, $1.7B debt assumed) on August 1, 2025, exiting retail wireless after serving 4.4M customers. Company now operates through TDS Telecom wireline (1.1M connections) and Array tower/spectrum assets.

  MD&A: Company Structure verify on EDGAR →
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  Array sold spectrum to AT&T for $1.02B on January 13, 2026, generating $114.7M after-tax gain. Additional $1.17B in spectrum sales to Verizon ($1.0B) and T-Mobile ($171M) pending regulatory approval through Q3 2026. Retained C-Band spectrum valued at $1.58B.

  MD&A: Spectrum Monetization verify on EDGAR →
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  TDS proposed on May 7, 2026 to acquire the 18.1% of Array shares it doesn't own. Special committee formed to evaluate non-binding proposal. Array paid $159.9M dividend to public shareholders in Q1 2026 from transaction proceeds.

  MD&A: Array Proposal verify on EDGAR →