Item 5. Other Information
Item 5. Other Information
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 common stock he will acquire on February 15, 2026, upon the vesting of certain time-based restricted stock unit awards, up to a total of 14,868 shares. The duration of this trading plan is 270 days.
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Item 6. Exhibits
Incorporated by Reference
Exhibit No. Exhibit Description Form Date of First Filing Exhibit Number Filed Herein
4.1 Twenty-Ninth Supplemental Indenture, dated as of August 5, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee, relating to T-Mobile USA, Inc.’s 6.700% Senior Notes due 2033.
8-K 8/5/2025 4.2
4.2 Thirtieth Supplemental Indenture, dated as of August 5, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee, relating to T-Mobile USA, Inc.’s 6.250% Senior Notes due 2069.
8-K 8/5/2025 4.3
4.3 Thirty-First Supplemental Indenture, dated as of August 5, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee, relating to T-Mobile USA, Inc.’s 5.500% Senior Notes due March 2070.
8-K 8/5/2025 4.4
4.4 Thirty-Second Supplemental Indenture, dated as of August 5, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee, relating to T-Mobile USA, Inc.’s 5.500% Senior Notes due June 2070.
8-K 8/5/2025 4.5
4.5 Thirty-Third Supplemental Indenture, dated as of August 11, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee.
POSASR 10/6/2025 4.9
4.6 Twenty-Sixth Supplemental Indenture, dated as of August 11, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee.
X
4.7 Fifty-Second Supplemental Indenture, dated as of August 11, 2025, by and among T-Mobile USA, Inc., the guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee.
X
10.1* Amended and Restated Employment Agreement, dated as of September 19, 2025, by and between the Company and Srinivasan Gopalan.
X
10.2* Amendment, dated as of September 19, 2025, to Amended and Restated Employment Agreement, dated as of March 9, 2023, by and between the Company and G. Michael Sievert.
X
10.3* Amendment, dated as of September 19, 2025, to Compensation Term Sheet, dated as of September 12, 2024, by and between T-Mobile US, Inc. and Peter Osvaldik.
X
10.4* Amendment, dated as of September 19, 2025, to Compensation Term Sheet, dated as of March 18, 2025, by and between T-Mobile US, Inc. and Michael J. Katz.
X
10.5 Guarantee Assumption Agreement, dated as of August 11, 2025, by and among Sprint Spectrum License Holder LLC, Sprint Spectrum License Holder II LLC, Sprint Spectrum License Holder III LLC and certain subsidiary guarantors.
X
22.1 Subsidiary Guarantors and Issuers of Guaranteed Securities.
X
31.1 Certifications of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
X
31.2 Certifications of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
X
32.1** Certification of Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
X
32.2** Certification of Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
X
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101.INS XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH XBRL Taxonomy Extension Schema Document. X
101.CAL XBRL Taxonomy Extension Calculation Linkbase Document. X
101.DEF XBRL Taxonomy Extension Definition Linkbase Document. X
101.LAB XBRL Taxonomy Extension Label Linkbase Document. X
101.PRE XBRL Taxonomy Extension Presentation Linkbase. X
104 Cover Page Interactive Data File (the cover page XBRL tags)
* Indicates a management contract or compensatory plan or arrangement.
** Furnished herein.
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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 thereunto duly authorized.
T-MOBILE US, INC.
October 23, 2025 /s/ Peter Osvaldik
Peter Osvaldik
Executive Vice President and Chief Financial Officer
(Principal Financial Officer and Authorized Signatory)
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