T-Mobile US (TMUS) risk factors, 2025 10-K

Risks Related to Our Business

1. 01We operate in a highly competitive industry. If we are unable to attract and retain customers, our business, financial condition, and operating results would be negatively affected
2. 02expanding our customer base. If we are unable to successfully differentiate our services from our competitors, it would adversely affect our competitive position and ability to grow our business
3. 03We have experienced criminal cyberattacks and may experience disruption, data loss and other security breaches, whether directly or indirectly through third parties whose products and services we rely on in operating our business
4. 04If we fail to timely adopt and effectively deploy emerging network technologies, our competitive position could erode, which may adversely affect our business, financial condition, and operating results
5. 05If we fail to effectively execute our digital transformation and drive customer and employee adoption of emerging technologies, our competitive position and financial performance could be materially harmed
6. 06We 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
7. 07System failures and business disruptions may prevent us from providing reliable service, which could materially and adversely affect our reputation and financial condition
8. 08The scarcity and cost of additional wireless spectrum, and regulations relating to spectrum use, may adversely affect our business, financial condition, and operating results
9. 09Any acquisition, divestiture, investment, joint venture or merger may subject us to significant risks, any of which may harm our business
10. 10Economic, political and market conditions may adversely affect our business, financial condition, and operating results
11. 11If we do not successfully deliver new products and services, we may not realize our intended growth targets or generate the expected returns from our business, adversely affecting our financial condition, and operating results
12. 12We rely on third parties to provide products and services for the operation of our business, and the failure or inability of such parties to provide these products or services could adversely affect our business, financial condition, and operating results
13. 13Sociopolitical volatility and polarization may adversely affect our business operations and reputation

Risks Related to Our Indebtedness

1. 14Our substantial level of indebtedness could adversely affect our business flexibility and ability to service our debt, and increase our borrowing costs
2. 15Changes in credit market conditions and other factors could adversely affect our ability to raise debt favorably

Risks Related to Legal and Regulatory Matters

1. 16Failure to maintain effective internal control over financial reporting could impair our compliance with Section 404 of the Sarbanes-Oxley Act, which could lead to material misstatements in our financial statements and adversely affect our operations and reputation
2. 17Changes in regulations or in the regulatory framework under which we operate could adversely affect our business, financial condition, and operating results
3. 18Further, government funded programs may be discontinued due to ongoing legal challenges to the FCC’s funding mechanism, which could result in the reduction in subsidies for low-income customers and the associated revenue
4. 19Laws and regulations relating to the handling of privacy, data protection and AI may result in increased costs, legal claims, fines against us, or reputational damage
5. 20Unfavorable outcomes of legal proceedings may adversely affect our business, reputation, financial condition, cash flows and operating results
6. 21Our business may be adversely impacted if we are not able to protect our intellectual property rights or if we infringe on the intellectual property rights of others
7. 22We offer regulated financial services products. These products expose us to a wide variety of state and federal regulations
8. 23Our business may be impacted by new or amended tax laws or regulations or administrative interpretations and judicial decisions affecting the scope or application of tax laws or regulations
9. 24Our wireless licenses are subject to renewal and may be revoked in the event that we violate applicable laws

Risks Related to Ownership of Our Common Stock

1. 25DT controls a majority of the voting power of our common stock and the T-Mobile trademarks we utilize in our business and may have interests that differ from the interests of our other stockholders
2. 26We cannot guarantee that our current and future stockholder return programs will be fully utilized or that they will enhance long-term stockholder value
3. 27We cannot predict the effect, if any, that market sales of shares of our common stock by DT or SoftBank will have on the prevailing trading price of our common stock. Sales of a substantial number of shares of our common stock could cause our stock price to decline