T-Mobile US, Inc. planned insider sales
In the twelve months since 23 September 2025 insiders at T-Mobile US, Inc. filed 19 Form 144 notices of planned sales, 1.6 million shares worth $346.7 million at the time of filing, from 11 sellers. The latest, filed 10 September 2026: Drobac Daniel James (officer), 772 shares worth $137,671, planned for around 10 September 2026 through Fidelity Brokerage Services LLC.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 10 September 2026 | Drobac Daniel James | Officer | 772 | $137,671 | 10 September 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 21 May 2026 | Freier Jon | Officer | 4,799 | $911,810 | 21 May 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 1 May 2026 | Katz Michael J. | Officer | 5,000 | $979,033 | 1 May 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 10 March 2026 | Datar Srikant M. | Director | 1,000 | $218,250 | 10 March 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 4 March 2026 | Datar Srikant M. | Director | 3,291 | $727,634 | 4 March 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 24 February 2026 | Sievert G Michael | Officer, Director | 1,089 | $241,594 | 24 February 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 24 February 2026 | Nelson Mark Wolfe | Officer | 2,330 | $517,969 | 24 February 2026 | Fidelity Brokerage Services LLC | ESPP Purchase; Restricted Stock Vesting | Form 144 |
| 23 February 2026 | Sievert G Michael | Officer, Director | 13,911 | $3.1 million | 23 February 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 19 February 2026 | Sievert G Michael | Director | 80,000 | $17.2 million | 19 February 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 18 February 2026 | Nelson Mark Wolfe | Officer | 6,274 | $1.4 million | 18 February 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 18 February 2026 | Osvaldik Peter | Officer | 27,000 | $5.8 million | 18 February 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 17 February 2026 | Nelson Mark Wolfe | Officer | 10,240 | $2.3 million | 17 February 2026 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 12 February 2026 | Claure Mobile LLC | Director | 1,000,000 | $219.0 million | 12 February 2026 | UBS Financial Services Inc | Tri Party Agreement | Form 144 |
| 22 December 2025 | Deutsche Telekom AG | 10% Stockholder | 400,000 | $78.7 million | 22 December 2025 | Santander US Capital Markets LLC | Merger or Acquisition | Form 144 |
| 5 December 2025 | Long Letitia A | Director | 1,457 | $306,439 | 5 December 2025 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 18 November 2025 | Sievert G Michael | Officer, Director | 22,500 | $4.9 million | 18 November 2025 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 17 November 2025 | Katz Michael J. | Officer | 2,500 | $539,775 | 17 November 2025 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 17 November 2025 | Sievert G Michael | Officer, Director | 22,500 | $4.9 million | 17 November 2025 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
| 12 November 2025 | Field Callie R | Officer | 23,589 | $5.0 million | 11 November 2025 | Fidelity Brokerage Services LLC | Restricted Stock Vesting | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.
Source
Form 144 filings on EDGAR for T-Mobile US, Inc.: the company's filing index, each notice read from its own XML.
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