INVESTABOT
Equity Research
XNAS · RADIOTELEPHONE COMMUNICATIONS · RADIOTELEPHONE COMMUNICATIONS
Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.
TL;DR: T-Mobile announced Chris Sambar will join as Chief Enterprise Officer no later than October 14, 2026, while André Almeida moves into an expanded Chief Marketing, Brand & Broadband Officer role.
T-Mobile US (TMUS) had 1 Form 144 pre-sale notice filed on 2026-05-21. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction. At least one filing …
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 8/1/2026 | Sambar Christopher | Chief Enterprise Officer | GRANT | 40,966 | — | — |
| 6/16/2026 | CLAURE RAUL MARCELO | — | GRANT | 1,384 | — | — |
| 6/16/2026 | Datar Srikant M. | — | GRANT | 1,384 | — | — |
| 6/16/2026 | KAVANAUGH JAMES J | — | GRANT | 1,384 | — | — |
| 6/16/2026 | Taylor Teresa | — | GRANT | 1,384 | — | — |
| 6/16/2026 | Dannenfeldt Thomas | — | GRANT | 1,384 | — | — |
| 6/16/2026 | Long Letitia A | — | GRANT | 1,384 | — | — |
| 6/16/2026 | Long Letitia A | — | GRANT | 272 | — | — |
| 6/11/2026 | Nelson Mark Wolfe | Chief Legal Officer & GC | GRANT | 97.52 | $187 | $18,238 |
| 6/6/2026 | Dannenfeldt Thomas | — | TAX_WITHHOLD | -311.4 | $178 | $55,460 |
| 5/21/2026 | Freier Jon | Chief Operating Officer | SELL | -4,799 | $190 | $911,810 |
| 5/1/2026 | Drobac Daniel James | VP & Chief Accounting Officer | TAX_WITHHOLD | -36.53 | $196 | $7,161 |
| 5/1/2026 | Almeida Andre | Chief Broadband, Ent. & Emerg | BUY | 5,097.44 | $196 | $1,000,016 |
| 5/1/2026 | Katz Michael J. | Chief Bus. and Prod. Officer | SELL | -5,000 | $196 | $979,050 |
| 3/12/2026 | Nelson Mark Wolfe | Chief Legal Officer & GC | GRANT | 85.79 | $212 | $18,151 |
| 3/10/2026 | Datar Srikant M. | — | SELL | -1,000 | $218 | $218,250 |
| 3/4/2026 | Datar Srikant M. | — | SELL | -3,291 | $221 | $727,640 |
| 3/1/2026 | Gopalan Srini | President and CEO | TAX_WITHHOLD | -2,835.03 | $217 | $615,457 |
| 3/1/2026 | Almeida Andre | Chief Broadband, Ent. & Emerg | TAX_WITHHOLD | -366.69 | $217 | $79,604 |
| 2/25/2026 | Drobac Daniel James | VP & Chief Accounting Officer | TAX_WITHHOLD | -388.87 | $219 | $85,031 |
| Date | Insider | Title | Relationship | Shares | Filing |
|---|---|---|---|---|---|
| 8/4/2026 | — | — | — | — | SEC |
| Institution | Shares | Value ($) | Change % | Filing date |
|---|---|---|---|---|
| Vanguard Group | 42,816,368 | $8,693,435,360 | — | 1/29/2026 |
| BlackRock | 39,115,867 | $8,215,505,457 | 0.1% | 5/13/2026 |
| BlackRock | 39,062,475 | $7,931,244,857 | — | 2/12/2026 |
| BlackRock | 39,499,642 | $6,625,274,964 | 1.0% | 8/7/2026 |
| BlackRock | 36,731,504 | $6,471,356,326 | — | 8/13/2024 |
| State Street | 25,281,709 | $5,133,198,195 | — | 2/13/2026 |
| State Street | 23,719,298 | $4,981,764,159 | -6.2% | 5/15/2026 |
| State Street | 25,021,478 | $4,196,852,505 | 5.5% | 8/7/2026 |
| Fidelity (FMR) | 15,732,362 | $3,194,298,757 | — | 2/17/2026 |
| Goldman Sachs | 19,044,158 | $3,194,276,673 | 179.2% | 8/14/2026 |
| Morgan Stanley | 14,387,032 | $3,021,708,941 | 14.3% | 5/15/2026 |
| Fidelity (FMR) | 12,529,473 | $2,631,565,064 | -20.4% | 5/15/2026 |
| Morgan Stanley | 12,582,682 | $2,554,788,605 | — | 5/27/2026 |
| Morgan Stanley | 14,522,141 | $2,435,798,908 | 0.9% | 8/13/2026 |
| Goldman Sachs | 6,820,635 | $1,432,538,070 | 13.6% | 5/15/2026 |
| Fidelity (FMR) | 8,153,559 | $1,367,596,591 | -34.9% | 8/13/2026 |
| Goldman Sachs | 6,004,999 | $1,219,255,148 | — | 3/25/2026 |
| JP Morgan Chase | 4,830,689 | $1,033,478,105 | 37.5% | 5/13/2026 |
| Citadel Advisors | 4,239,094 | $890,336,913 | 42.1% | 5/15/2026 |
| Two Sigma | 3,891,468 | $817,325,024 | 228.7% | 5/15/2026 |