T-Mobile US, Inc. (TMUS)
$181.00+$3.25 (+1.83%) Today
Michael J. Katz - Officer
Srikant M. Datar - DirectorSrikant M. Datar - Director
Mark Wolfe Nelson - OfficerDeutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, and that firm merged with Sprint in 2020, creating the second-largest wireless carrier in the US. T-Mobile now serves about 86 million postpaid and 26 million prepaid phone customers, equal to around 30% of the US retail wireless market. The firm entered the fixed-wireless broadband market aggressively in 2021 and now serves 8 million residential and business customers with its wireless network. It also serves 1 million fiber broadband customers through joint ventures with fiber network owners. T-Mobile owns a stake in these firms, which provide wholesale access to their networks. In addition, T-Mobile provides wholesale services to wireless resellers.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 9 | 49,640 | |
| Tax withholding / forfeiture | 3 | 570.5 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
121 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Daniel James Drobac - Officer | Tax withholding / forfeiture | Common Stock | 171.43 | $181.61 | $31K | |
| Daniel James Drobac - Officer | Tax withholding / forfeiture | Common Stock | 87.68 | $182.61 | $16K | |
| Christopher Sambar - Officer | Grant or award | Common Stock | 40,966 | $0.00 | - | |
 Raul Marcelo Claure - Director | Grant or award | Common Stock | 1,384 | $0.00 | - | |
| Srikant M. Datar - Director | Grant or award | Common Stock | 1,384 | $0.00 | - | |
| James J. Kavanaugh - Director | Grant or award | Common Stock | 1,384 | $0.00 | - | |
| Teresa Taylor - Director | Grant or award | Common Stock | 1,384 | $0.00 | - | |
| Thomas Dannenfeldt - Director | Grant or award | Common Stock | 1,384 | $0.00 | - | |
| Letitia A. Long - Director | Grant or award | Common Stock | 272 | $0.00 | - | |
| Letitia A. Long - Director | Grant or award | Common Stock | 1,384 | $0.00 | - | |
| Mark Wolfe Nelson - Officer | Grant or award | Common Stock | 97.52 | $187.02 | $18K | |
| Thomas Dannenfeldt - Director | Tax withholding / forfeiture | Common Stock | 311.4 | $178.10 | $55K | |
| Jon Freier - Officer | Open-market sale | Common Stock | 4,799 | $190.00 | $912K | |
| Daniel James Drobac - Officer | Tax withholding / forfeiture | Common Stock | 36.53 | $196.06 | $7K | |
| Andre Almeida - Officer | Open-market purchase | Common Stock | 5,097 | $196.18 | $1.00M | |
| Michael J. Katz - Officer | Open-market sale | Common Stock | 5,000 | $195.81 | $979K | |
| Mark Wolfe Nelson - Officer | Grant or award | Common Stock | 85.79 | $211.58 | $18K | |
| Srikant M. Datar - Director | Open-market sale | Common Stock | 1,000 | $218.25 | $218K | |
| Srikant M. Datar - Director | Open-market sale | Common Stock | 3,291 | $221.10 | $728K | |
| Srini Gopalan - Officer | Tax withholding / forfeiture | Common Stock | 2,835 | $217.09 | $615K | |
| Andre Almeida - Officer | Tax withholding / forfeiture | Common Stock | 366.69 | $217.09 | $80K | |
| Daniel James Drobac - Officer | Tax withholding / forfeiture | Common Stock | 388.87 | $218.66 | $85K | |
| G. Michael Sievert - Director | Open-market sale | Common Stock | 13,911 | $220.07 | $3.06M | |
| G. Michael Sievert - Director | Open-market sale | Common Stock | 1,089 | $221.85 | $242K | |
| Mark Wolfe Nelson - Officer | Open-market sale | Common Stock | 2,329 | $222.38 | $518K | |
| G. Michael Sievert - Director | Open-market sale | Common Stock | 80,000 | $214.94 | $17.20M | |
| Peter Osvaldik - Officer | Open-market sale | Common Stock | 27,000 | $214.86 | $5.80M | |
| Daniel James Drobac - Officer | Grant or award | Common Stock | 3,837 | $0.00 | - | |
 John Saw - Officer | Grant or award | Common Stock | 7,831 | $0.00 | - | |
| John Saw - Officer | Tax withholding / forfeiture | Common Stock | 2,840 | $219.50 | $623K | |
| John Saw - Officer | Grant or award | Common Stock | 4,412 | $0.00 | - | |
| John Saw - Officer | Tax withholding / forfeiture | Common Stock | 1,736 | $219.50 | $381K | |
| Peter Osvaldik - Officer | Grant or award | Common Stock | 19,086 | $0.00 | - | |
| Peter Osvaldik - Officer | Tax withholding / forfeiture | Common Stock | 8,075 | $219.50 | $1.77M | |
| Peter Osvaldik - Officer | Grant or award | Common Stock | 12,287 | $0.00 | - | |
| Peter Osvaldik - Officer | Tax withholding / forfeiture | Common Stock | 4,835 | $219.50 | $1.06M | |
| Mark Wolfe Nelson - Officer | Grant or award | Common Stock | 19,576 | $0.00 | - | |
| Mark Wolfe Nelson - Officer | Tax withholding / forfeiture | Common Stock | 6,949 | $219.50 | $1.53M | |
| Mark Wolfe Nelson - Officer | Grant or award | Common Stock | 12,287 | $0.00 | - | |
| Mark Wolfe Nelson - Officer | Tax withholding / forfeiture | Common Stock | 4,257 | $219.50 | $934K | |
| Mark Wolfe Nelson - Officer | Open-market sale | Common Stock | 10,240 | $220.80 | $2.26M | |
| Mark Wolfe Nelson - Officer | Open-market sale | Common Stock | 6,274 | $219.69 | $1.38M | |
| Deeanne King - Officer | Grant or award | Common Stock | 9,421 | $0.00 | - | |
| Deeanne King - Officer | Tax withholding / forfeiture | Common Stock | 3,108 | $219.50 | $682K | |
| Deeanne King - Officer | Grant or award | Common Stock | 4,432 | $0.00 | - | |
| Deeanne King - Officer | Tax withholding / forfeiture | Common Stock | 1,744 | $219.50 | $383K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
T-Mobile US, Inc. (TMUS) had 11 insider filings in the last 90 days, with the most recent on 2026-08-27. The full record for TMUS runs to 121 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of TMUS were filed in the last 90 days. 2 purchases are on record for this company.
No insider sales of TMUS were filed in the last 90 days. 454 sales are on record for this company.
This page tracks TMUS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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