Finding insider trades…Reading each Form 4…Adding them up…
TMUST-Mobile US, Inc.
Insider trades (Form 4)
Directors, top managers and anyone owning more than 10% of a company must report every time they buy, sell or receive its shares, within two business days, on a Form 4. Here is what T-Mobile US's insiders did over the last year, and what each kind of trade means.
Bought on the open market$1.0M1 trade by 1 person
Sold on the open market$29.8M11 trades by 7 people
Sales that were planned ahead27%made under a pre-set trading plan (Rule 10b5-1)
Filings read30the newest 30 of 48 in the last year
Buying and selling, month by month
Open-market trades only, by value. Tap a month.
DecJanFebMarAprMayJunJulAugSepOctNov
■ above the line: bought · ■ below: sold
Who traded
| Person and role | Bought | Sold | Shares held after | |
|---|---|---|---|---|
| G Michael SievertDirector | – | $20.5M | 125.7K | |
| Peter OsvaldikChief financial officer (Chief Financial Officer) | – | $5.8M | 51.6K | |
| Andre AlmeidaChief Commercial Officer | $1.0M | – | 44.3K | |
| Michael J. KatzChief Bus. and Prod. Officer | – | $979.0K | 181.9K | |
| Srikant M. DatarDirector | – | $945.9K | 2.4K | |
| Jon FreierChief operating officer (Chief Operating Officer) | – | $911.8K | 217.2K | |
| Mark Wolfe NelsonChief lawyer (Chief Legal Officer & GC) | – | $518.0K | 66.1K | |
| Daniel James DrobacChief accountant (VP & Chief Accounting Officer) | – | $155.1K | 37.7K | |
| Christopher SambarChief Enterprise Officer | – | – | 41.0K | |
| Raul Marcelo ClaureDirector | – | – | 1.8M | |
| James J KavanaughDirector | – | – | 5.5K | |
| Teresa TaylorDirector | – | – | 8.1K | |
| Thomas DannenfeldtDirector | – | – | 2.1K | |
| Letitia A LongDirector | – | – | 6.8K | |
| Srini GopalanChief executive (President and CEO) · Director | – | – | 144.7K |
Every trade (34)
- Nov 2, 2026Sold shares on the open marketPlanned aheadDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)Insiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−113 sharesat $154.18 = $17.4Kowns 37,737.781 after
- Nov 1, 2026Shares kept back to pay taxDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−36.525 sharesat $156.44 = $5.7Kowns 37,850.781 after
- Sep 24, 2026Received shares or options as payDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)A grant from the company as part of their pay, not a purchase. Form 4+2,768 sharesno price (not a sale)owns 37,887.306 after
- Sep 10, 2026Received shares or options as payMark Wolfe Nelson · Chief lawyer (Chief Legal Officer & GC)A grant from the company as part of their pay, not a purchase. Form 4+102.942 sharesat $178.14 = $18.3Kowns 66,070.254 after
- Sep 10, 2026Sold shares on the open marketPlanned aheadDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)Insiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−772 sharesat $178.33 = $137.7Kowns 35,117.537 after
- Sep 10, 2026Received shares or options as payDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)A grant from the company as part of their pay, not a purchase. Form 4+1.769 sharesat $178.14 = $315.13owns 35,119.306 after
- Sep 1, 2026Shares kept back to pay taxAndre Almeida · Chief Commercial OfficerWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−530.438 sharesat $182.16 = $96.6Kowns 44,319.164 after
- Aug 25, 2026Shares kept back to pay taxDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−171.425 sharesat $181.61 = $31.1Kowns 35,889.537 after
- Aug 15, 2026Shares kept back to pay taxDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−87.677 sharesat $182.61 = $16.0Kowns 36,060.962 after
- Aug 1, 2026Received shares or options as payChristopher Sambar · Chief Enterprise OfficerA grant from the company as part of their pay, not a purchase. Form 4+40,966 sharesno price (not a sale)owns 40,966 after
- Jun 16, 2026Received shares or options as payRaul Marcelo Claure · DirectorA grant from the company as part of their pay, not a purchase. Form 4+1,384 sharesno price (not a sale)owns 1,849,801 after
- Jun 16, 2026Received shares or options as paySrikant M. Datar · DirectorA grant from the company as part of their pay, not a purchase. Form 4+1,384 sharesno price (not a sale)owns 2,422 after
- Jun 16, 2026Received shares or options as payJames J Kavanaugh · DirectorA grant from the company as part of their pay, not a purchase. Form 4+1,384 sharesno price (not a sale)owns 5,461 after
- Jun 16, 2026Received shares or options as payTeresa Taylor · DirectorA grant from the company as part of their pay, not a purchase. Form 4+1,384 sharesno price (not a sale)owns 8,053 after
- Jun 16, 2026Received shares or options as payThomas Dannenfeldt · DirectorA grant from the company as part of their pay, not a purchase. Form 4+1,384 sharesno price (not a sale)owns 2,110.6 after
- Jun 16, 2026Received shares or options as payLetitia A Long · DirectorA grant from the company as part of their pay, not a purchase. Form 4+1,384 sharesno price (not a sale)owns 6,822 after
- Jun 16, 2026Received shares or options as payLetitia A Long · DirectorA grant from the company as part of their pay, not a purchase. Form 4+272 sharesno price (not a sale)owns 7,094 after
- Jun 11, 2026Received shares or options as payMark Wolfe Nelson · Chief lawyer (Chief Legal Officer & GC)A grant from the company as part of their pay, not a purchase. Form 4+97.52 sharesat $187.02 = $18.2Kowns 65,967.312 after
- Jun 6, 2026Shares kept back to pay taxThomas Dannenfeldt · DirectorWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−311.4 sharesat $178.10 = $55.5Kowns 726.6 after
- May 21, 2026Sold shares on the open marketPlanned aheadJon Freier · Chief operating officer (Chief Operating Officer)Insiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−4,799 sharesat $190.00 = $911.8Kowns 217,167.63 after
- May 1, 2026Shares kept back to pay taxDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−36.525 sharesat $196.06 = $7.2Kowns 36,148.639 after
- May 1, 2026Bought shares on the open marketAndre Almeida · Chief Broadband, Ent. & EmergThey paid their own money at the market price. People often watch these most closely. Form 4+5,097.44 sharesat $196.18 = $1.0Mowns 44,849.602 after
- May 1, 2026Sold shares on the open marketMichael J. Katz · Chief Bus. and Prod. OfficerInsiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−5,000 sharesat $195.81 = $979.0Kowns 181,930.481 after
- Mar 12, 2026Received shares or options as payMark Wolfe Nelson · Chief lawyer (Chief Legal Officer & GC)A grant from the company as part of their pay, not a purchase. Form 4+85.786 sharesat $211.58 = $18.2Kowns 65,762.615 after
- Mar 10, 2026Sold shares on the open marketHeld indirectly (trust, family…)Srikant M. Datar · DirectorInsiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−1,000 sharesat $218.25 = $218.3Kowns 10,843 after
- Mar 4, 2026Sold shares on the open marketSrikant M. Datar · DirectorInsiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−3,291 sharesat $221.10 = $727.6Kowns 1,038 after
- Mar 1, 2026Shares kept back to pay taxSrini Gopalan · Chief executive (President and CEO) · DirectorWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−2,835.031 sharesat $217.09 = $615.5Kowns 144,748.839 after
- Mar 1, 2026Shares kept back to pay taxAndre Almeida · Chief Broadband, Ent. & EmergWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−366.688 sharesat $217.09 = $79.6Kowns 39,752.162 after
- Feb 25, 2026Shares kept back to pay taxDaniel James Drobac · Chief accountant (VP & Chief Accounting Officer)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−388.871 sharesat $218.66 = $85.0Kowns 36,077.987 after
- Feb 24, 2026Sold shares on the open marketG Michael Sievert · DirectorInsiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−1,089 sharesat $221.85 = $241.6Kowns 125,695.945 after
- Feb 24, 2026Sold shares on the open marketMark Wolfe Nelson · Chief lawyer (Chief Legal Officer & GC)Insiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−2,329.203 sharesat $222.38 = $518.0Kowns 65,676.829 after
- Feb 23, 2026Sold shares on the open marketG Michael Sievert · DirectorInsiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−13,911 sharesat $220.07 = $3.1Mowns 126,784.945 after
- Feb 19, 2026Sold shares on the open marketG Michael Sievert · DirectorInsiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−80,000 sharesat $214.94 = $17.2Mowns 140,695.945 after
- Feb 18, 2026Sold shares on the open marketPeter Osvaldik · Chief financial officer (Chief Financial Officer)Insiders sell for many reasons: paying taxes, buying a house, spreading their savings. Many sales are planned months ahead. Form 4−27,000 sharesat $214.86 = $5.8Mowns 51,572.664 after
Read straight from the Form 4 filings T-Mobile US's directors, top managers and large owners sent to the SEC. Insiders sell for many reasons: taxes, diversifying, planned sales. Buying with their own money is rarer. None of this says whether to buy or sell the shares.