T-Mobile (TMUS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: T-Mobile US, Inc. (TMUS) CIK: 0001283699 --- Reporting Owner --- Name: Sambar Christopher CIK: 0002028756 Role: Officer (Chief Enterprise Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-01 | Code: A (Grant or award) Shares: +40,966 | Price: $0.00 Shares Owned After: 40,966 | Ownership: D (Direct) Footnotes: [F1] Represents restricted stock units granted under the issuer's 2023 Incentive Award Plan, (the "Plan"); one-sixth of the units vest on each of February 1, 2027, August 1, 2027, February 1, 2028, August 1, 2028, February 1, 2029, August 1, 2029, subject to the terms of the Plan and related award agreement. --- Footnotes (Complete Index) --- F1: Represents restricted stock units granted under the issuer's 2023 Incentive Award Plan, (the "Plan"); one-sixth of the units vest on each of February 1, 2027, August 1, 2027, February 1, 2028, August 1, 2028, February 1, 2029, August 1, 2029, subject to the terms of the Plan and related award agreement. --- Signature --- /s/ /s/ Frederick Williams, Attorney-in-Fact (2026-08-04)