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AI brief of an SEC Form 8-K · T-Mobile US (TMUS)

T-Mobile US: Vice Chair G. Michael Sievert to resign from board effective November 1, 2026

Neutral Impact 4 of 5 leadership

T-Mobile US said Vice Chair G. Michael Sievert notified the Board on October 26, 2026, that he will resign from the Board and its Transaction Committee effective November 1, 2026, and will also stop serving as Vice Chair. The company said the timing matches the expiration of a September 19, 2025 amendment to his employment agreement, and that the resignation involves no disagreement over operations, policies or practices.

Key points

  • Resignation from the Board and Transaction Committee effective November 1, 2026
  • Notice to the Board given October 26, 2026
  • Timing tied to expiration of the September 19, 2025 amendment to his employment agreement
  • Company states the resignation is not due to any disagreement on operations, policies or practices

The filing

CompanyT-Mobile US (TMUS)
Form8-K, current report
Filed with the SECOct 28, 2026, 8:55 AM ET
Accession number0001193125-26-435233

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 7, 2026, 11:17 PM ET, from this filing only.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.