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: Katz Michael J. (Chief Bus. and Prod. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-15	Common Stock	A	32365	—	Acquired	188567.521	Direct
2026-02-15	Common Stock	F	7141.633	$219.50	Disposed	181425.888	Direct
2026-02-15	Common Stock	A	9076	—	Acquired	190501.888	Direct
2026-02-15	Common Stock	F	3571.407	$219.50	Disposed	186930.481	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 2013 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