TMUS — what changed in the latest 10-Q

Text added vs the prior filing · source: 10-Q · 2026-04-28

• •our inability to adopt and deploy network technologies in a timely and effective manner;

• •compliance with the current regulatory framework, including our national security obligations, and any changes in regulations or in the regulatory framework under which we operate;

• On August 1, 2025 (the “UScellular Acquisition Date”), we completed the acquisition (the “UScellular Acquisition”) of substantially all of United States Cellular Corporation’s (“UScellular”) wireless operations and select spectrum assets and the acquisition of substantially all of the wireless opera…

• See Note 14 – Restructuring Costs of the Notes to the Condensed Consolidated Financial Statements for more information.

• Cost of services, exclusive of depreciation and amortization$344 $— $344 NM

Text removed vs the prior filing · source: 10-Q · 2025-10-23

• •our inability to timely adopt and effectively deploy network technology developments;

• •any changes in regulations or in the regulatory framework under which we operate;

• On May 24, 2024, we entered into a securities purchase agreement with United States Cellular Corporation (“UScellular”), Telephone and Data Systems, Inc., and USCC Wireless Holdings, LLC for the acquisition of substantially all of UScellular’s wireless operations and select AWS, PCS, 600 MHz, 700 MH…

• On May 23, 2025, we launched exchange offers (the “Exchange Offers”) for any and all of certain outstanding senior notes of UScellular for new notes of T-Mobile with the same interest rate, interest payment dates, maturity dates and redemption terms as each corresponding series of senior notes of US…

• On July 22, 2025, we entered into asset purchase agreements for the acquisition of substantially all of the wireless operations assets (together with UScellular’s wireless operations and select spectrum assets, the “UScellular Wireless Business”) of each of Farmers Cellular Telephone Company, Inc., …

Text removed vs the prior filing · source: 10-Q · 2025-10-23

• designated as fair value hedges of our EUR-denominated debt, mitigating our exposure to foreign currency transaction gains and losses. We do not foresee significant changes in the strategies used to manage market risk in the near future.

Text added vs the prior filing · source: 10-Q · 2026-04-28

• We have experienced cyberattacks and may experience disruptions, data loss and other security breaches, whether directly or indirectly through third parties whose products and services we rely on in operating our business.

• Our business involves the receipt, storage, and transmission of confidential information about our customers, such as sensitive personal, account, and payment information, confidential information about our employees and suppliers, and other sensitive information about our Company, such as our busin…

• We are subject to persistent cyberattacks and threats to our business from bad actors seeking to gain unauthorized access to Confidential Information and to compromise Systems. They are perpetrated by a variety of groups and persons, including nation state-sponsored parties, malicious actors, employ…

• Cyberattacks against companies like ours are increasing in frequency and scope of potential harm over time, and the methods used to gain unauthorized access constantly evolve, making it increasingly difficult to anticipate, prevent, and detect incidents successfully in every instance. In some cases,…

• Although we regularly work to identify, track, and remedy security vulnerabilities, given the complex nature of our Systems and the tools that are available to us, we may be unable to identify vulnerabilities in a timely manner, or to apply patches or compensating measures that address such vulnerab…

Text removed vs the prior filing · source: 10-Q · 2025-10-23

• We rely on highly skilled personnel throughout all levels of our business. Our business could be harmed if we are unable to retain or motivate key personnel, hire a sufficient number of qualified new personnel, or maintain our corporate culture.

• Our future success depends in substantial part on our ability to attract, recruit, hire, motivate, develop, and retain talented personnel possessing the qualifications, experiences, capabilities and skills we need for all areas of our organization, including our CEO and members of our senior leaders…

• Both external factors, such as fluctuations in economic and industry conditions, changes in U.S. immigration policies, regulatory changes, political forces and the competitive landscape, and internal factors, such as employee tolerance for changes in our corporate culture, organizational changes, li…

• Any acquisition, divestiture, investment, joint venture or merger may subject us to significant risks, any of which may harm our business.

• We may pursue acquisitions of, investments in, or joint ventures or mergers with, other companies, or the acquisition of technologies, services, products or other assets that we believe would complement or expand our business. We may also elect to divest some of our assets to third parties. Some of …

Text added vs the prior filing · source: 10-Q · 2026-04-28

• On February 19, 2026, Jonathan Freier, the Company’s Chief Operating Officer, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell up to 23,739 shares of the Company’s common stock he acquired on February 15, 2026, upon the vesting of certain time-based restri…

• On February 23, 2026, Mark W. Nelson, the Company’s Chief Legal Officer and General Counsel, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell the shares of the Company’s common stock he will acquire on February 15, 2027, upon the vesting of certain time-ba…

• On March 9, 2026, Deeanne King, the Company’s Chief People Officer, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell up to 20,868 shares of the Company’s common stock, subject to certain conditions. The duration of this trading plan is 365 days.

• On March 13, 2026, Claure Mobile LLC, an entity affiliated with Marcelo Claure, a director of the Company, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell up to 620,400 shares of the Company’s common stock, subject to certain conditions. The duration of t…

Text removed vs the prior filing · source: 10-Q · 2025-10-23

• On August 7, 2025, Ulf Ewaldsson, the Company’s former President, Technology, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell, subject to certain conditions (a) up to 7,500 shares of the Company’s common stock, and (b) all of the shares of the Company’s c…