TMUST-Mobile US

Customers the company names as a large share of revenue or receivables (it must name any worth 10% of revenue).

No specific sentence about this in the 10-K.

Parts or manufacturing that depend on one or a few suppliers.

“However, in certain areas such as billing services, voice, and data communications transport services, wireless or fiber network infrastructure equipment, handsets, other devices, back-office processes, and payment processing, there are a limited number of suppliers that can provide adequate support, which decreases our flexibility to switch to alternative third parties.”

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Pending cases, settlements and what the company has set aside for them.

“(3)Legal-related expenses (recoveries), net, consists of the settlement of certain litigation and compliance costs associated with the August 2021 cyberattack and is presented net of insurance recoveries.”

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“As a result of the August 2021 cyberattack, we have become subject to numerous lawsuits, including mass arbitration claims and multiple class action lawsuits that have been filed in numerous jurisdictions seeking, among other things, unspecified monetary damages, costs and attorneys’ fees arising out of the August 2021 cyberattack.”

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“Under the terms of the settlement, we have paid an aggregate of $350 million to fund claims submitted by class members, the legal fees of plaintiffs’ counsel and the costs of administering the settlement.”

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“We anticipate that this settlement of the class action, along with other settlements of separate consumer claims that have been previously completed or are currently pending, will resolve substantially all of the claims brought to date by our current, former and prospective customers who were impacted by the 2021 cyberattack.”

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“In connection with the class action settlement and the separate settlements, we recorded a total pre-tax charge of approximately $400 million in the second quarter of 2022.”

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Promises to pay someone else's debts or losses if they cannot.

“(other than $3.5 billion in principal amount of Senior Notes issued in 2017 and 2018) and the credit agreement entered into by T-Mobile USA, Inc. will be automatically and unconditionally released if, immediately following such release and any concurrent releases of other guarantees, the aggregate principal amount of indebtedness of non-guarantor subsidiaries (other than certain specified subsidiaries) would not exceed $2.0 billion.”

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New “Our recourse guarantee liabilities related to the sales of service receivables and EIP receivables were $130 million and $148 million as of December 31, 2025, and December 31, 2024, respectively.”

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New “These liabilities were collateralized by $266 million and $286 million of gross service receivables and $535 million and $505 million of gross EIP receivables pledged, but unsold as of December 31, 2025, and December 31, 2024, respectively, which represent our maximum exposure under the recourse guarantee.”

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“We recognized losses from sales of receivables, including changes in fair value of the recourse guarantee liabilities, beginning on November 1, 2024, and deferred purchase price assets of $58 million, $62 million and $165 million for the years ended December 31, 2025, 2024 and 2023, respectively, in Selling, general and administrative expenses on our Consolidated Statements of Comprehensive Income.”

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New “The carrying amounts of our recourse guarantee liabilities of $130 million and $148 million are included on our Consolidated Balance Sheets as of December 31, 2025 and 2024, respectively.”

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Conditions in loan agreements that, if broken, can make debt due early.

“We were in compliance with all restrictive debt covenants as of December 31, 2025.”

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Contracts the company must pay for later: purchase obligations, take-or-pay deals.

“(5)On May 1, 2024, we completed the Ka’ena Acquisition and based on the adjusted amount paid upfront, an additional $420 million in future cash and T-Mobile common stock is payable in satisfaction of the earnout and is excluded from our reported purchase commitments above.”

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New “(6)On April 1, 2025, we completed the joint acquisition of Lumos and pursuant to the definitive agreement, we expect to make an additional capital contribution of approximately $500 million between 2027 and 2028 under the existing business plan, which is excluded from our reported purchase obligations above.”

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