T-Mobile US, Inc. (TMUS) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: T-Mobile US, Inc. (TMUS) CIK: 0001283699 --- Reporting Owner --- Name: Drobac Daniel James CIK: 0002066499 Role: Officer (VP & Chief Accounting Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-01 | Code: F (Payment of exercise/tax) Shares: -36.525 | Price: $196.06 Total Value: $7,161.09 Shares Owned After: 36,148.639 | Ownership: D (Direct) Footnotes: [F1] Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction. [F2] Includes acquisition of shares of common stock under the issuer's Amended and Restated 2014 Employee Stock Purchase Plan. --- Footnotes (Complete Index) --- F1: Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction. F2: Includes acquisition of shares of common stock under the issuer's Amended and Restated 2014 Employee Stock Purchase Plan. --- Signature --- /s/ /s/ Frederick Williams, Attorney-in-Fact (2026-05-04)