T-Mobile US Files 8-K on Senior Notes and Common Stock

TL;DR

T-Mobile filed an 8-K on 10/9/25 detailing various senior notes and common stock.

AI Summary

On October 9, 2025, T-Mobile US, Inc. filed an 8-K report detailing various senior notes due in different years, including notes due March 2070, 2069, 2045, 2029, 2036, June 2070, 2032, 2037, and 2032. The filing also references common stock.

Why It Matters

This filing provides an update on T-Mobile's debt structure and outstanding securities, which can impact investor understanding of the company's financial obligations and capital.

Risk Assessment

Risk Level: low — The filing is a routine disclosure of debt and equity information, not indicating any immediate operational or financial distress.

Key Players & Entities

• T-Mobile US, Inc. (company) — Filer of the 8-K report
• 2025-10-09 (date) — Date of the report filing
• tmus:Five500SeniorNotesDueMarch2070Member (debt_instrument) — Specific senior note series mentioned
• tmus:Six250SeniorNotesDue2069Member (debt_instrument) — Specific senior note series mentioned
• us-gaap:CommonStockMember (equity_instrument) — Common stock mentioned

FAQ

Key Financial Figures

• $0.00001 — ich registered Common Stock, par value $0.00001 per share TMUS The NASDAQ Stock Mar
• $800 million — osed an underwritten public offering of $800 million in aggregate principal amount of its 4.
• $1.0 billion — or Notes due 2033 (the " 2033 Notes "), $1.0 billion in aggregate principal amount of its 4.
• $2.8 Billion — lease entitled "T-Mobile Agrees to Sell $2.8 Billion of Senior Notes." 104 Cover Page In

Filing Documents

• ny20056240x4_8k.htm (8-K) — 56KB
• ny20056240x4_ex1-1.htm (EX-1.1) — 396KB
• ny20056240x4_ex4-2.htm (EX-4.2) — 137KB
• ny20056240x4_ex4-3.htm (EX-4.3) — 189KB
• ny20056240x4_ex4-4.htm (EX-4.4) — 128KB
• ny20056240x4_ex5-1.htm (EX-5.1) — 70KB
• ny20056240x4_ex5-2.htm (EX-5.2) — 15KB
• ny20056240x4_ex99-1.htm (EX-99.1) — 5KB
• ny20056240x4_ex99-2.htm (EX-99.2) — 7KB
• ny20056240x4_8klogo01.jpg (GRAPHIC) — 372KB
• ny20056240x4_ex5-1logo01.jpg (GRAPHIC) — 2KB
• ny20056240x4_logo.jpg (GRAPHIC) — 75KB
• 0001140361-25-037817.txt ( ) — 2482KB
• tmus-20251009.xsd (EX-101.SCH) — 6KB
• tmus-20251009_def.xml (EX-101.DEF) — 21KB
• tmus-20251009_lab.xml (EX-101.LAB) — 32KB
• tmus-20251009_pre.xml (EX-101.PRE) — 23KB
• ny20056240x4_8k_htm.xml (XML) — 15KB

01

Item 8.01. Other Events. On October 9, 2025, 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 $800 million in aggregate principal amount of its 4.625% Senior Notes due 2033 (the " 2033 Notes "), $1.0 billion in aggregate principal amount of its 4.950% Senior Notes due 2035 (the " 2035 Notes ") and $1.0 billion in aggregate principal amount of its 5.700% Senior Notes due 2056 (the " 2056 Notes " and, together with the 2033 Notes and the 2035 Notes, the " Notes ") pursuant to an underwriting agreement, dated October 6, 2025 (the " Underwriting Agreement "), with the several underwriters named in Schedule 1 thereto, for which Barclays Capital Inc., Citigroup Global Markets Inc., Goldman Sachs & Co. LLC and Wells Fargo Securities, LLC acted as representatives. The Notes were issued pursuant to an Indenture, dated as of September 15, 2022 (the " Base Indenture "), among T-Mobile USA, the Company and Deutsche Bank Trust Company Americas, as trustee (the " Trustee "), as amended and supplemented by (i) a Thirty-Fourth Supplemental Indenture, dated as of October 9, 2025 (the " Thirty-Fourth Supplemental Indenture "), among T-Mobile USA, the Company, the other guarantors party thereto and the Trustee, with respect to the 2033 Notes, (ii) a Thirty-Fifth Supplemental Indenture, dated as of October 9, 2025 (the " Thirty-Fifth Supplemental Indenture "), among T-Mobile USA, the Company, the other guarantors party thereto and the Trustee, with respect to the 2035 Notes and (iii) a Thirty-Sixth Supplemental Indenture, dated as of October 9, 2025 (the " Thirty-Sixth Supplemental Indenture "), among T-Mobile USA, the Company, the other guarantors party thereto and the Trustee, with respect to the 2056 Notes (the Base Indenture, as amended and supplemented by each of the Thirty-Fourth Supplemental Indenture, the Thirty-Fifth Supplemental Indenture and the Thirty-Sixth Suppleme

Financial Statements and Exhibits

Financial Statements and Exhibits. The following exhibits are provided as part of this Current Report on Form 8-K: (d) Exhibits: Exhibit No. Description 1.1 Underwriting Agreement, dated October 6, 2025, among TMobile USA, Inc., the Company, the other guarantors party thereto and the several underwriters named in Schedule 1 thereto, for which Barclays Capital Inc., Citigroup Global Markets Inc., Goldman Sachs & Co. LLC and Wells Fargo Securities, LLC acted as representatives. 4.1 Indenture, dated as of September 15, 2022, by and among TMobile USA, Inc., the Company and Deutsche Bank Trust Company Americas, as trustee (incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed on September 15, 2022). 4.2 Thirty-Fourth Supplemental Indenture, dated as of October 9, 2025, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, including the Form of 4.625% Senior Note due 2033. 4.3 Thirty-Fifth Supplemental Indenture, dated as of October 9, 2025, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, including the Form of 4.950% Senior Note due 2035. 4.4 Thirty-Sixth Supplemental Indenture, dated as of October 9, 2025, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, including the Form of 5.700% Senior Note due 2056. 5.1 Opinion of Fried, Frank, Harris, Shriver & Jacobson LLP. 5.2 Opinion of Ryan Brady, Esq. 23.1 Consent of Fried, Frank, Harris, Shriver & Jacobson LLP (included in Exhibit 5.1). 23.2 Consent of Ryan Brady, Esq. (included in Exhibit 5.2). 99.1 Press release entitled "T-Mobile Announces Proposed Public Offering of Senior Notes." 99.2 Press release entitled "T-Mobile Agrees to Sell $2.8 Billion of Senior Notes." 104 Cover Page Interactive Data File (embedded within the Inline XBRL

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. T-MOBILE US, INC. October 9 , 2025 /s/ Peter Osvaldik Name: Peter Osvaldik Title: Executive Vice President and Chief Financial Officer

View Full Filing

View this 8-K filing on SEC EDGAR