T-Mobile US: Sievert to leave board November 1, 2026
The effective date coincides with expiration of an amendment to Sievert’s employment agreement.
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Rhea-AI Filing Summary
T-Mobile US, Inc. said G. Michael Sievert will resign from its Board of Directors and Transaction Committee effective November 1, 2026. On that date, he will also cease serving as Vice Chair of the Board and the company.
The effective date coincides with the expiration of an amendment to the Amended and Restated Employment Agreement between the company and Sievert. The company stated that his resignation is not the result of any disagreement about its operations, policies or practices.
8-K Event Classification
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
CURRENT REPORT
Pursuant to Section 13 OR 15(d)
of the Securities Exchange Act of 1934
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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On October 26, 2026, G. Michael Sievert notified the Board of Directors (the “Board”) of T-Mobile US, Inc. (the “Company”) of his decision to resign from the Board and its Transaction Committee, effective November 1, 2026. The effective date of Mr. Sievert’s resignation is concurrent with the expiration of the Amendment, dated September 19, 2025, to the Amended and Restated Employment Agreement, dated March 9, 2023, between the Company and Mr. Sievert. Effective November 1, 2026, Mr. Sievert will also cease to serve as Vice Chair of the Board and the Company.
Mr. Sievert’s resignation is not the result of any disagreement with the Company on any matter relating to its operations, policies or practices.
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.
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T-MOBILE US, INC. | |||||
| October 28, 2026 | /s/ Peter Osvaldik | |||||
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Name: Peter Osvaldik Title: Chief Financial Officer | |||||