{"filing":{"accession_number":"0001193125-26-297534","cik":"0001283699","ticker":"TMUSL","company_name":"T-Mobile US, Inc.","form":"8-K","filing_date":"2026-07-07","report_date":null,"primary_document":"d170112d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1283699/000119312526297534/d170112d8k.htm"},"events":[{"id":16449,"run_id":14702,"accession_number":"0001193125-26-297534","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"T-Mobile appointed Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026, reporting directly to CEO Srini Gopalan. The appointment represents a material C-suite leadership change to lead the company's enterprise and government businesses.","company_name":"T-Mobile US, Inc.","ticker":"TMUSL","filing_date":"2026-07-07","form":"8-K","submitted_at":null,"items":[{"id":14547,"accession_number":"0001193125-26-297534","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"The filing's principal disclosure is the appointment of Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026, reporting directly to the CEO. While the section also includes Michael J. Katz's departure as Chief Business and Product Officer and André Almeida's transition to a new role, the appointment of a new C-suite executive to lead the enterprise and government businesses is the primary material event. The press release emphasizes Sambar's appointment as the headline announcement and strategic leadership evolution.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-07T20:30:41.400657+00:00","company_name":"","ticker":null,"filing_date":""},{"id":14548,"accession_number":"0001193125-26-297534","item_number":"7.01","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The disclosure centers on the appointment of Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026, reporting to CEO Srini Gopalan. While the press release also mentions André Almeida's expanded role and Mike Katz's departure, the principal announced action is Sambar's appointment to lead T-Mobile's enterprise and government businesses. This is a material C-suite appointment at a major public company that would affect investor assessment of leadership and strategic direction.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-07T20:30:41.400657+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":14547,"accession_number":"0001193125-26-297534","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"The filing's principal disclosure is the appointment of Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026, reporting directly to the CEO. While the section also includes Michael J. Katz's departure as Chief Business and Product Officer and André Almeida's transition to a new role, the appointment of a new C-suite executive to lead the enterprise and government businesses is the primary material event. The press release emphasizes Sambar's appointment as the headline announcement and strategic leadership evolution.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-07T20:30:41.400657+00:00","company_name":"T-Mobile US, Inc.","ticker":"TMUSL","filing_date":"2026-07-07"},{"id":14548,"accession_number":"0001193125-26-297534","item_number":"7.01","item_title":null,"event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The disclosure centers on the appointment of Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026, reporting to CEO Srini Gopalan. While the press release also mentions André Almeida's expanded role and Mike Katz's departure, the principal announced action is Sambar's appointment to lead T-Mobile's enterprise and government businesses. This is a material C-suite appointment at a major public company that would affect investor assessment of leadership and strategic direction.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-07T20:30:41.400657+00:00","company_name":"T-Mobile US, Inc.","ticker":"TMUSL","filing_date":"2026-07-07"}]}