T-Mobile US · 8-K exhibit

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 16, 2026

T-MOBILE US, INC.

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

Bellevue, Washington

(Address of principal executive offices)

(Zip Code)

(Former name or former address, if changed since last report):

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange

on which registered

Common Stock, par value $0.00001 per share

TMUS

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

The NASDAQ Stock Market LLC

TMUSL

The NASDAQ Stock Market LLC

TMUSZ

The NASDAQ Stock Market LLC

TMUSI

The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Submission of Matters to a Vote of Security Holders.

On June 16, 2026, T-Mobile US, Inc. (the “Company”) held its Annual Meeting of Stockholders (the “Annual Meeting”). At the Annual Meeting, the following three proposals were presented, as described in the Company’s definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 27, 2026 (the “Proxy Statement”):

(1)

Elect 13 director nominees named in the Proxy Statement to the Company’s Board of Directors;

(2)

Ratify the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026; and

(3)

Conduct an advisory vote to approve the compensation provided to the Company’s named executive officers for 2025.

Proposal 1 – Election of Directors.

The following 13 director nominees were elected as directors, each to hold office until the Company’s 2027 Annual Meeting of Stockholders, or until his/her successor is elected and qualified, by the votes set forth below:

Director Nominee

For

Withhold

Broker Non-Votes

Marcelo Claure

Thomas Dannenfeldt

Srikant M. Datar

Srinivasan Gopalan

Timotheus Höttges

Christian P. Illek

James J. Kavanaugh

Raphael Kübler

Thorsten Langheim

Dominique Leroy

Letitia A. Long

G. Michael Sievert

Teresa A. Taylor

Proposal 2 – Ratification of the Appointment of Deloitte & Touche LLP.

The appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the Company’s fiscal year ending December 31, 2026 was ratified by the votes set forth below:

For

Against

Abstain

Broker Non-Votes

—

Proposal 3 – Advisory Vote to Approve the Compensation Provided to the Company’s Named Executive Officers for 2025.

The compensation provided to the Company’s named executive officers for 2025 was approved by an advisory vote, as set forth below:

For

Against

Abstain

Broker Non-Votes

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.

/s/ Peter Osvaldik

Name: Peter Osvaldik

Title: Chief Financial Officer