Jessica Uhl was named Chief Financial Officer of T-Mobile US, Inc. As of November 6, 2026, T-Mobile US, Inc. has reported 3 leadership change filings to the SEC under Item 5.02 of Form 8-K, from July 7, 2026 to October 28, 2026, naming 2 appointments and 1 departure (Form 8-K, September 3, 2026).
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Key facts
- · In / out: Out · Person: G. Michael Sievert · Effective: 2026-11-01 · 8-K, 2026-10-28
- · In / out: In · Person: Jessica Uhl · Role: Chief Financial Officer · 8-K, 2026-09-03
- · In / out: In · Person: Chris Sambar · Role: Chief Enterprise Officer · 8-K, 2026-07-07
T-Mobile US, Inc. reported changes in 3 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-07-07 to 2026-10-28. They name 3 people, with 2 appointments and 1 departure. Every row below is cited to the filing it comes from, and this page adds each new change as T-Mobile US, Inc. files it.
Also on the record for T-Mobile US, Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| October 29, 2026 | Stake report, Schedule 13D/A, by Deutsche Telekom AG | 55.9% of the class | 5%+ stakes | Source |
| March 23, 2026 | Stake report, Schedule 13D/A, by Deutsche Telekom AG | 53.7% of the class | 5%+ stakes | Source |
| October 16, 2025 | Stake report, Schedule 13G/A, by Picton Mahoney Asset Management | 6.48% of the class | 5%+ stakes | Source |
| October 15, 2025 | Stake report, Schedule 13G, by Picton Mahoney Asset Management | 6.48% of the class | 5%+ stakes | Source |
| October 6, 2025 | Stake report, Schedule 13D/A, by Deutsche Telekom AG | 55.8% of the class | 5%+ stakes | Source |
| August 12, 2025 | Stake report, Schedule 13D/A, by Deutsche Telekom AG | 56.5% of the class | 5%+ stakes | Source |
| August 8, 2025 | Stake report, Schedule 13D/A, by SoftBank Group Capital Limited | 4.52% of the class | 5%+ stakes | Source |
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More on T-Mobile US, Inc. and the records around it.
T-Mobile US, Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
- Who owns it
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- Picton Mahoney Asset Management also filed stake reports on 20 other companies: Blue Water Acquisition Corp. III (Oct 2026), Launch One Acquisition Corp. (Oct 2026), Pono Capital Four, Inc. (Oct 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-10-28 | Out | 2026-11-01 | 8-K, 2026-10-28 | ||
| 2026-09-03 | In | Chief Financial Officer | 8-K, 2026-09-03 | ||
| 2026-07-07 | In | Chief Enterprise Officer | 8-K, 2026-07-07 |
Who leads T-Mobile US, Inc., as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Financial Officer: Jessica Uhl, appointed (filed 2026-09-03).
- Chief Enterprise Officer: Chris Sambar, appointed (filed 2026-07-07).
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Find candidates like Chief Financial Officer at T-Mobile US, Inc.Every change, in the filing's words
Departing: G. Michael Sievert, effective 2026-11-01
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.
Appointed: Jessica Uhl, Chief Financial Officer
T-Mobile expects that Jessica Uhl, who will commence employment as the Company's Chief Financial Officer Designate in mid-September 2026, will serve as Chief Financial Officer upon Mr. Osvaldik's retirement.
- On September 3, 2026, T-Mobile US, Inc. ("T-Mobile" or the "Company") announced that Peter Osvaldik, Chief Financial Officer of the Company, would retire from his role as Chief Financial Officer in February 2027.
- Mr. Osvaldik will remain as the Company's Strategic Advisor through July 1, 2027, which is the end of his previously announced contract extension, to aid in the extended transition of responsibilities.
- Ms. Uhl, age 58, served as President of GE Vernova from January 2024 to May 2025.
- From March 2017 to March 2022, she served as Chief Financial Officer of Shell plc.
- Prior to that, Ms. Uhl held various finance leadership positions at Shell plc beginning in 2004, including Executive Vice President of Finance for Integrated Gas and Upstream Americas.
- In addition, Ms. Uhl currently serves on the boards of Fervo Energy, RMI, formerly Rocky Mountain Institute, OpenMinds, Inc. and Mission Possible Partnership.
- She also serves on the Global Leadership Council of the Global Energy Alliance for People and Planet, as an advisory board member for the Columbia Center on Global Energy Policy, and as a Senior Advisor with Three Cairns Group.
- Ms. Uhl previously served on the boards of Shell plc, Goldman Sachs and General Electric and as a strategic advisor to Breakthrough Energy.
Appointed: Chris Sambar, Chief Enterprise Officer
T-Mobile US, Inc. (the "Company") announced that it has appointed Chris Sambar as its Chief Enterprise Officer, effective no later than October 14, 2026.
- - Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
- In this role, Mr. Sambar will oversee the Company's enterprise and government businesses and will report directly to Srinivasan Gopalan, the Company's President and Chief Executive Officer.
- In connection with Mr. Sambar's hiring, Andr Almeida, currently the Company's Chief Broadband, Enterprise and Emerging Business Officer, will transition to the role of Chief Marketing, Brand, and Broadband Officer.
- In this capacity, Mr. Almeida will lead the Company's marketing, communications, and broadband operations, while also continuing to oversee certain enterprise responsibilities during Mr. Sambar's onboarding period.
- Additionally, Dr. John Saw, the Company's Chief Technology Officer, will expand his purview to include product engineering and cybersecurity, in addition to his existing responsibilities.
- After over two decades in various leadership positions with the Company, Michael J. Katz, the Company's Chief Business and Product Officer, has decided to step away from his position at the Company effective July 8, 2026, but he will remain with the Company as a strategic advisor through December 2026.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.