8-KEarnings & ResultsExhibits & Filings

T-Mobile US, Inc. 8-K Report, Financial Results (Apr 28, 2026)

Filed April 28, 2026For Securities:TMUSTMUSZTMUSITMUSL

Summary

T-Mobile US, Inc. (TMUS) has filed an 8-K report on April 28, 2026, to announce its financial and operating results for the quarter ended March 31, 2026. The press release, incorporated by reference, highlights the company's continued durable growth in postpaid accounts and Average Revenue Per Account (ARPA). This strong operational performance is translating into best-in-class financial growth, prompting T-Mobile to raise its full-year guidance. Investors should pay close attention to the details within the press release and the accompanying Investor Factbook, as these documents provide the core financial and operational metrics. The company's ability to consistently grow its subscriber base and revenue per user, coupled with an optimistic outlook for the remainder of the year, suggests a positive trajectory for the business.

Key Highlights

  • 1T-Mobile reported strong growth in postpaid accounts and Average Revenue Per Account (ARPA) for Q1 2026.
  • 2The company's financial performance for the quarter is characterized as 'best-in-class'.
  • 3T-Mobile has raised its financial guidance for the full fiscal year 2026, indicating confidence in future performance.
  • 4The filing includes a press release (Exhibit 99.1) detailing the Q1 results and an Investor Factbook (Exhibit 99.2) with further financial and operating data.
  • 5The information furnished is not deemed 'filed' for purposes of Section 18 of the Securities Exchange Act of 1934, but is incorporated by reference.

Frequently Asked Questions

The key performance indicators highlighted are continued durable growth in postpaid accounts and Average Revenue Per Account (ARPA).

Yes, T-Mobile has raised its full-year 2026 guidance, suggesting an optimistic outlook for its financial performance.

Investors can find more detailed information in the furnished press release (Exhibit 99.1) and the accompanying Investor Factbook (Exhibit 99.2) which are part of this 8-K filing.

The information is furnished under Item 2.02 and will not be subject to the liabilities under Section 18 of the Securities Exchange Act of 1934. However, it is typically considered important information by investors and is often incorporated by reference into other SEC filings.