T-Mobile US, Inc.
Public company- Headquarters
- BELLEVUE, Washington
- Ticker
- TMUS
- CIK
- 0001283699
WARN notices since 2024
Workers affected since 2024
Executive changes, last 12 months
Last event
Workers affected over time
Cumulative workers in WARN notices since 2024
| Notice date | Workers affected | Cumulative |
|---|---|---|
| Apr 10, 2026 | 51 | 51 |
| Apr 14, 2026 | 74 | 125 |
| Apr 16, 2026 | 200 | 325 |
| Apr 21, 2026 | 78 | 403 |
| Aug 7, 2026 | 113 | 516 |
| Aug 17, 2026 | 0 | 516 |
| Oct 14, 2026 | 109 | 625 |
Leadership
| Role and person | Since | Change |
|---|---|---|
| Vice ChairG. Michael Sievert | Oct 28, 2026 | Departed |
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- Executive departure
Vice Chair departs: G. Michael Sievert
G. Michael Sievert, Vice Chair of T-Mobile US, Inc., resigns the role, effective November 1, 2026. The company reported the change in an 8-K that cites Item 5.02.
Source: SEC 8-K, filed Oct 28, 2026Role: Vice Chair
- WARN notice
WARN notice: Schaumburg, IL
T-Mobile USA, Inc. filed a WARN notice with the Illinois WARN list on Oct 14, 2026 covering 109 workers at 50 Commerce Dr., Suite 130, Schaumburg.
Source: Illinois WARN list, filed Oct 14, 2026Site: Schaumburg, IL
Workers affected: 109
- WARN notice
WARN notice: Oklahoma City, OK
T-Mobile USA, Inc. filed a WARN notice with the Oklahoma WARN list on Aug 17, 2026 for a site in Oklahoma City. The notice does not state how many workers it covers.
Source: Oklahoma WARN list, filed Aug 17, 2026Site: Oklahoma City, OK
layoffs from Oct 6, 2026
WARN noticeWARN notice: Irving, TX
T-Mobile USA, Inc. (Texas Irving Office) filed a WARN notice with the Texas WARN list on Aug 7, 2026 covering 113 workers in Irving. The layoffs take effect on Oct 6, 2026.
Source: Texas WARN list, filed Aug 7, 2026Site: Irving, TX
Workers affected: 113
- WARN notice
WARN notice: Bellevue, WA (Statewide in NJ), NJ
T-Mobile USA filed a WARN notice with the New Jersey WARN list covering 78 workers in Bellevue, WA (Statewide in NJ). The layoffs take effect on Apr 21, 2026.
Source: New Jersey WARN list, filed Apr 21, 2026Site: Bellevue, WA (Statewide in NJ), NJ
Workers affected: 78
layoffs from Jun 8, 2026
WARN noticeWARN notice: TN
T-Mobile USA, Inc. filed a WARN notice with the Tennessee WARN list on Apr 16, 2026 covering 200 workers. The layoffs take effect on Jun 8, 2026.
Source: Tennessee WARN list, filed Apr 16, 2026Site: TN
Workers affected: 200
layoffs from Jun 8, 2026
WARN noticeWARN notice: Austin, TX
T-Mobile USA, Inc. filed a WARN notice with the Texas WARN list on Apr 14, 2026 covering 74 workers in Austin. The layoffs take effect on Jun 8, 2026.
Source: Texas WARN list, filed Apr 14, 2026Site: Austin, TX
Workers affected: 74
- Plant closure
Plant closure: CO
T-Mobile filed a WARN notice with the Colorado WARN list on Apr 10, 2026 covering 51 workers.
Source: Colorado WARN list, filed Apr 10, 2026Site: CO
Workers affected: 51
Last verified Nov 8, 2026