T-Mobile (TMUS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-15 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: T-Mobile US, Inc. (TMUS) CIK: 0001283699 --- Reporting Owner --- Name: Nelson Mark Wolfe CIK: 0001886089 Role: Officer (Chief Legal Officer & GC) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-15 | Code: A (Grant or award) Shares: +19,576 | Price: $0.00 Shares Owned After: 83,438.389 | Ownership: D (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. [Transaction #2] Security: Common Stock Date: 2026-02-15 | Code: F (Payment of exercise/tax) Shares: -6,948.668 | Price: $219.50 Total Value: $1,525,232.63 Shares Owned After: 76,489.721 | Ownership: D (Direct) Footnotes: [F2] Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction. [Transaction #3] Security: Common Stock Date: 2026-02-15 | Code: A (Grant or award) Shares: +12,287 | Price: $0.00 Shares Owned After: 88,776.721 | Ownership: D (Direct) Footnotes: [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. [Transaction #4] Security: Common Stock Date: 2026-02-15 | Code: F (Payment of exercise/tax) Shares: -4,256.689 | Price: $219.50 Total Value: $934,343.24 Shares Owned After: 84,520.032 | Ownership: D (Direct) Footnotes: [F4] Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction. [Transaction #5] Security: Common Stock Date: 2026-02-17 | Code: S (Open market sale) Shares: -10,240 | Price: $220.80 Total Value: $2,260,992.00 Shares Owned After: 74,280.032 | Ownership: D (Direct) Footnotes: [F5] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2025. [Transaction #6] Security: Common Stock Date: 2026-02-18 | Code: S (Open market sale) Shares: -6,274 | Price: $219.69 Total Value: $1,378,335.06 Shares Owned After: 68,006.032 | Ownership: D (Direct) Footnotes: [F5] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2025. --- Footnotes (Complete Index) --- 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. --- Signature --- /s/ /s/ Frederick Williams, Attorney-in-Fact (2026-02-18)