secwatch / observer
TMUS T-Mobile US, Inc.
CIK 0001283699 42 ready 8-Ks latest April 28, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 2 baseline
Ready 8-Ks 42
Latest filing April 28, 2026, 7:59 PM ET
Top materiality 0.90
Event mix other_material ×13 · earnings ×9 · leadership ×9
Sentiment 19 pos · 0 neg · 23 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for TMUS

Executive changes

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”).

Earnings & guidance

2026-Q1 EPS reported $2.27 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.57 · Most common event other_material

19 positive 0 negative 23 neutral

source · TMUS on sec.gov