T-Mobile US, Inc. — Director's Dealing 2026

Feb 18, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: T-Mobile US, Inc. (TMUS)
CIK: 0001283699
Period of Report: 2026-02-15

Reporting Person: Nelson Mark Wolfe (Chief Legal Officer & GC)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-15	Common Stock	A	19576	—	Acquired	83438.389	Direct
2026-02-15	Common Stock	F	6948.668	$219.50	Disposed	76489.721	Direct
2026-02-15	Common Stock	A	12287	—	Acquired	88776.721	Direct
2026-02-15	Common Stock	F	4256.689	$219.50	Disposed	84520.032	Direct
2026-02-17	Common Stock	S	10240	$220.80	Disposed	74280.032	Direct
2026-02-18	Common Stock	S	6274	$219.69	Disposed	68006.032	Direct

Footnotes

F1: Represents restricted stock units granted under the issuer's 2023 Incentive Award Plan, (the "Plan"); one-third of the units vest on each of February 15, 2027, February 15, 2028 and February 15, 2029, subject to the terms of the Plan and related award agreement.

F2: Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.

F3: Represents performance-based restricted stock units earned under the issuer's 2015 Sprint Omnibus Incentive Plan, that vested on February 15, 2026 based on the Company's relative total shareholder return during the three-year period ending February 15, 2026.

F4: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

F5: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2025.