24 insiders reported 1,770 Form 4 transactions for T-Mobile US, Inc. (TMUS) over the past 18 months (most recent 2026-08-18). Recent activity: Drobac Daniel James (VP & Chief Accounting Officer) Sell 88 shares, Sambar Christopher (Chief Enterprise Officer) Buy 40,966 shares, CLAURE RAUL MARCELO (Director) Buy 1,384 shares, Datar Srikant M. (Director) Buy 1,384 shares, Dannenfeldt Thomas (Director) Buy 1,384 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Drobac Daniel James | VP & Chief Accounting Officer | Sell | 88 | $16,011 |
| 2026-08-04 | Sambar Christopher | Chief Enterprise Officer | Buy | 40,966 | $0 |
| 2026-06-18 | CLAURE RAUL MARCELO | Director | Buy | 1,384 | $0 |
| 2026-06-18 | Datar Srikant M. | Director | Buy | 1,384 | $0 |
| 2026-06-18 | Dannenfeldt Thomas | Director | Buy | 1,384 | $0 |
| 2026-06-18 | KAVANAUGH JAMES J | Director | Buy | 1,384 | $0 |
| 2026-06-18 | Taylor Teresa | Director | Buy | 1,384 | $0 |
| 2026-06-18 | Long Letitia A | Director | Buy | 1,384 | $0 |
| 2026-06-18 | Long Letitia A | Director | Buy | 272 | $0 |
| 2026-06-12 | Nelson Mark Wolfe | Chief Legal Officer & GC | Buy | 98 | $18,238 |
| 2026-06-09 | Dannenfeldt Thomas | Director | Sell | 311 | $55,460 |
| 2026-05-26 | Freier Jon | Chief Operating Officer | Sell | 4,799 | $911,810 |
| 2026-05-04 | Almeida Andre | Chief Broadband, Ent. & Emerg | Buy | 5,097 | $1.0M |
| 2026-05-04 | Drobac Daniel James | VP & Chief Accounting Officer | Sell | 37 | $7,161 |
| 2026-05-04 | Katz Michael J. | Chief Bus. and Prod. Officer | Sell | 5,000 | $979,050 |
| 2026-03-13 | Nelson Mark Wolfe | Chief Legal Officer & GC | Buy | 86 | $18,151 |
| 2026-03-12 | Datar Srikant M. | Director | Sell | 1,000 | $218,250 |
| 2026-03-06 | Datar Srikant M. | Director | Sell | 3,291 | $727,640 |
| 2026-03-03 | Almeida Andre | Chief Broadband, Ent. & Emerg | Sell | 367 | $79,605 |
| 2026-03-03 | Gopalan Srini | President and CEO | Sell | 2,835 | $615,457 |
| 2026-02-26 | Drobac Daniel James | VP & Chief Accounting Officer | Sell | 389 | $85,030 |
| 2026-02-25 | Nelson Mark Wolfe | Chief Legal Officer & GC | Sell | 2,329 | $517,967 |
| 2026-02-25 | SIEVERT G MICHAEL | Director | Sell | 13,911 | $3.1M |
| 2026-02-25 | SIEVERT G MICHAEL | Director | Sell | 1,089 | $241,595 |
| 2026-02-23 | SIEVERT G MICHAEL | Director | Sell | 80,000 | $17.2M |
Source: SEC Form 4 filings · as of 2026-08-18