8-K · TMUS

T-Mobile files an 8-K on director or officer changes

Filed with the SEC Oct 28, 2026, 8:55 AM ET · Posted Oct 28, 2026, 9:05 AM ET

T-Mobile filed a Form 8-K on Oct 28, 2026 at 8:55 AM ET under Item 5.02 (Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers).

Under Item 5.02, the filing says: “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.”

Source

8-K filed Oct 28, 2026 (document)
Filing index on SEC EDGAR (all documents and exhibits)

T-Mobile company file → · More T-Mobile filings

Disclosures

Editor holdings in TMUS: The editor holds no position in T-Mobile (TMUS). As of Oct 25, 2026.
Last updated: Oct 28, 2026

A summary of a public filing for general education, the same for every reader. Not a recommendation to buy, sell or hold TMUS.