secwatch / observer
TMUS T-Mobile US, Inc.
CIK 0001283699 50 ready 8-Ks latest July 7, 2026, 4:29 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 2 baseline Risk accumulating: repeated leadership change (4)
Ready 8-Ks 50
Latest filing July 7, 2026, 4:29 PM ET
Top materiality 0.90
Event mix other_material ×14 · earnings ×11 · debt ×11
Sentiment 22 pos · 0 neg · 28 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for TMUS

Executive changes

Role change

André Almeida

Chief Marketing, Brand and Broadband Officer
TMUS · T-Mobile US, Inc.
Filed
July 7, 2026, 4:29 PM ET
In connection with Mr. Sambar’s hiring, André Almeida, currently the Company’s Chief Broadband, Enterprise and Emerging Business Officer, will transition to the role of Chief Marketing, Brand, and Broadband Officer.
Role change

Dr. John Saw

Chief Technology Officer
TMUS · T-Mobile US, Inc.
Filed
July 7, 2026, 4:29 PM ET
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.
Departed

Michael J. Katz

Chief Business and Product Officer
TMUS · T-Mobile US, Inc.
Effective
2026-07-08
Filed
July 7, 2026, 4:29 PM ET
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.
Appointed

Chris Sambar

Chief Enterprise Officer
TMUS · T-Mobile US, Inc.
Effective
2026-10-14
Filed
July 7, 2026, 4:29 PM ET
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.
Departed

Dara Bazzano

Chief Accounting Officer
TMUS · T-Mobile US, Inc.
Effective
2025-04-30
Successor
Daniel J. Drobac
Filed
April 11, 2025, 7:59 PM ET
The Company’s current CAO, Dara Bazzano, has decided to retire from the Company, but will continue to serve as the principal accounting officer of the Company through April 30, 2025.
Appointed

Daniel J. Drobac

Vice President and Chief Accounting Officer
TMUS · T-Mobile US, Inc.
Effective
2025-05-01
Filed
April 11, 2025, 7:59 PM ET
On April 8, 2025, T-Mobile US, Inc. (the “Company”) appointed Daniel J. Drobac as Vice President and Chief Accounting Officer (“CAO”) of the Company, effective as of May 1, 2025.
Departed

Srini Gopalan

Director
TMUS · T-Mobile US, Inc.
Effective
2025-02-28
Filed
February 21, 2025, 6:59 PM ET
Additionally, on February 18, 2025, Srini Gopalan notified the Board of his decision to resign from the Board and its Compensation Committee, effective as of February 28, 2025, due to his acceptance of a new role at the Company as the Company’s Chief Operating Officer.
Departed

Kelvin Westbrook

Director
TMUS · T-Mobile US, Inc.
Filed
February 21, 2025, 6:59 PM ET
On February 18, 2025, Kelvin Westbrook notified T-Mobile US, Inc. (the “Company”) of his decision to not to stand for re-election to the Board of Directors (the “Board”) of the Company at the 2025 Annual Meeting of Stockholders (the “Annual Meeting”).
Appointed

Srini Gopalan

Chief Operating Officer
TMUS · T-Mobile US, Inc.
Filed
February 21, 2025, 6:59 PM ET
due to his acceptance of a new role at the Company as the Company’s Chief Operating Officer.
Appointed

Srinivasan Gopalan

Chief Operating Officer
TMUS · T-Mobile US, Inc.
Effective
2025-03-01
Filed
January 27, 2025, 6:59 PM ET
On January 27, 2025, the Board of Directors (the “Board”) of T-Mobile US, Inc. (“T-Mobile”) appointed Srinivasan Gopalan as Chief Operating Officer (“COO”) of T-Mobile, effective as of March 1, 2025 (the “Effective Date”).
Departed

Peter Ewens

Executive Vice President, Corporate Strategy & Development
TMUS · T-Mobile US, Inc.
Effective
2024-02-01
Filed
September 8, 2023, 7:59 PM ET
On September 6, 2023, T-Mobile US, Inc. (the “Company”) entered into a letter agreement (the “Ewens Letter Agreement”) with Peter Ewens, the Company’s Executive Vice President, Corporate Strategy & Development, setting forth certain benefits Mr. Ewens will be entitled to receive from the Company upon his retirement on February 1, 2024.
Appointed

James J. Kavanaugh

Director
TMUS · T-Mobile US, Inc.
Effective
2023-07-18
Filed
July 20, 2023, 7:59 PM ET
On July 18, 2023, James J. Kavanaugh was elected to the Board of Directors (the “Board”) of T-Mobile US, Inc. (the “Company”), effective immediately.

Earnings & guidance

2026-Q1 EPS reported $2.27 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.57 · Most common event other_material

22 positive 0 negative 28 neutral

source · TMUS on sec.gov