TMUST-Mobile US, Inc.

1. Sep 3, 2026On September 3, 2026, T-Mobile US, Inc. (“T-Mobile” or the “Company”) announced that Peter Osvaldik, Chief Financial Officer of the Company, would retire from his role as Chief Financial Officer in February 2027.Director or officer change · Form 8-K
2. Jul 23, 2026T-Mobile Delivers Continued Strong Account Growth, Translating into Industry-Leading Service Revenue Growth Driven by Widening Differentiation.Earnings release · press release
3. Jul 7, 2026T-Mobile US, Inc. (the “Company”) announced that it has appointed Chris Sambar as its Chief Enterprise Officer, effective no later than October 14, 2026.Director or officer change · Form 8-K
4. Apr 28, 2026T-Mobile Delivers Continued Durable Postpaid Account and ARPA Growth, Translating to Best-in-Class Financial Growth, Raises Guidance.Earnings release · press release
5. Apr 23, 2026On April 23, 2026, T-Mobile US, Inc., a Delaware corporation (the “Company”), announced that its Board of Directors (the “Board”) has authorized an increase to the Company’s shareholder return program (the “2026 Shareholder Return Program”) of up to $3.6 billion, reflecting an increase from up to $14.6 billion of …Other event · Form 8-K
6. Mar 31, 2026On March 31, 2026, following the previous repayment of certain legacy indebtedness, T-Mobile USA, Inc. (“TMUSA”), a wholly-owned subsidiary of T-Mobile US, Inc. (“TMUS”), elected to release the guarantees of certain subsidiaries under its $10 billion revolving credit agreement pursuant to the terms thereof, resulting …Other event · Form 8-K
7. Mar 27, 2026On March 26, 2026, Abdurazak Mudesir notified the Board of Directors (the “Board”) of T-Mobile US, Inc. (the “Company”) of his decision to resign from the Board and from the Nominating, Corporate Governance and Compliance Committee of the Board, effective March 31, 2026.Director or officer change · Form 8-K
8. Feb 19, 2026On February 19, 2026, T-Mobile USA, Inc. (“T-Mobile USA”), a direct, wholly-owned subsidiary of T-Mobile US, Inc. (the “Company”), closed an underwritten public offering of €750 million in aggregate principal amount of its 3.200% Senior Notes due 2032 (the “2032 Notes”), €750 million in aggregate principal amount of …Other event · Form 8-K
9. Feb 11, 2026T-Mobile Delivers Best-in-Class Customer Results in Q4, Translating into Durable and Profitable Financial Growth Driven By Widening Differentiation.Earnings release · press release
10. Feb 11, 2026T-Mobile Raises the Bar, Increasing its Multi-Year Growth Outlook, Fueled by Widening and Durable.Regulation FD disclosure · press release
11. Jan 12, 2026On January 12, 2026, T-Mobile USA, Inc. (“T-Mobile USA”), a direct, wholly-owned subsidiary of T-Mobile US, Inc. (the “Company”), closed an underwritten public offering of $1.15 billion in aggregate principal amount of its 5.000% Senior Notes due 2036 (the “2036 Notes”) and $850 million in aggregate principal amount …Other event · Form 8-K

Quoted from SEC EDGAR filings. A current report is filed within four business days of the event it describes.