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T-Mobile US, Inc. planned insider sales

In the last twelve months insiders at T-Mobile US, Inc. filed 20 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 2 November 2026: Drobac Daniel James (officer), 113 shares worth $17,422, planned for around 2 November 2026 through Fidelity Brokerage Services LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
2 November 2026Drobac Daniel JamesOfficer113$17,4222 November 2026113 shares from 2 November 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
10 September 2026Drobac Daniel JamesOfficer772$137,67110 September 2026772 shares from 10 September 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
21 May 2026Freier JonOfficer4,799$911,81021 May 20264,799 shares from 21 May 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
1 May 2026Katz Michael J.Officer5,000$979,0331 May 20265,000 shares from 1 May 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
10 March 2026Datar Srikant M.Director1,000$218,25010 March 20261,000 shares from 10 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
4 March 2026Datar Srikant M.Director3,291$727,6344 March 20263,291 shares from 4 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
24 February 2026Sievert G MichaelOfficer, Director1,089$241,59424 February 202615,000 shares from 23 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
24 February 2026Nelson Mark WolfeOfficer2,330$517,96924 February 20262,329 shares from 24 February 2026Fidelity Brokerage Services LLCESPP Purchase; Restricted Stock VestingForm 144
23 February 2026Sievert G MichaelOfficer, Director13,911$3.1 million23 February 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 February 2026Sievert G MichaelDirector80,000$17.2 million19 February 202680,000 shares from 19 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Nelson Mark WolfeOfficer6,274$1.4 million18 February 202616,514 shares from 17 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 February 2026Osvaldik PeterOfficer27,000$5.8 million18 February 202627,000 shares from 18 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
17 February 2026Nelson Mark WolfeOfficer10,240$2.3 million17 February 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
12 February 2026Claure Mobile LLCDirector1,000,000$219.0 million12 February 2026No matching Form 4 saleUBS Financial Services IncTri Party AgreementForm 144
22 December 2025Deutsche Telekom AG10% Stockholder400,000$78.7 million22 December 2025No matching Form 4 saleSantander US Capital Markets LLCMerger or AcquisitionForm 144
5 December 2025Long Letitia ADirector1,457$306,4395 December 20251,457 shares from 5 December 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
18 November 2025Sievert G MichaelOfficer, Director22,500$4.9 million18 November 202545,000 shares from 17 November 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
17 November 2025Katz Michael J.Officer2,500$539,77517 November 20252,500 shares from 17 November 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
17 November 2025Sievert G MichaelOfficer, Director22,500$4.9 million17 November 2025No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
12 November 2025Field Callie ROfficer23,589$5.0 million11 November 2025No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 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.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?