John Saw - Sep 19, 2025 Form 3 Insider Report for T-Mobile US, Inc. (TMUS)

Role: Pres of Technology & CTO
Signature: /s/ Frederick Williams, Attorney-in-Fact
Stock symbol: TMUS
Transactions as of: Sep 19, 2025
Transactions value $: $0
Form type: 3
Date filed: 9/26/2025, 05:23 PM
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SAW JOHN	Pres of Technology & CTO	C/O T-MOBILE US, INC., 12920 SE 38TH STREET, BELLEVUE	/s/ Frederick Williams, Attorney-in-Fact	2025-09-26	0001260951

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	TMUS	Common Stock						40K	Sep 19, 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes (a) 13,575 restricted stock units granted under the Sprint Corporation Amended and Restated 2015 Omnibus Incentive Plan (the "2015 Plan") and issuer's 2023 Incentive Award Plan (the "2023 Plan", together with the 2015 Plan, the "Plans"), subject to the terms of the Plans and such awards including vesting terms and (b) 10,677 performance-based restricted stock units (PRSUs), the minimum number of PRSUs awarded to the reporting person under the 2023 Plan , which is equal to 80% of the target grant. The PRSUs will vest in full on April 1, 2028, and additional restricted stock units may be earned based on the achievement of certain performance metrics subject to the terms of the 2023 Plan and such award.

Content

Includes (a) 13,575 restricted stock units granted under the Sprint Corporation Amended and Restated 2015 Omnibus Incentive Plan (the "2015 Plan") and issuer's 2023 Incentive Award Plan (the "2023 Plan", together with the 2015 Plan, the "Plans"), subject to the terms of the Plans and such awards including vesting terms and (b) 10,677 performance-based restricted stock units (PRSUs), the minimum number of PRSUs awarded to the reporting person under the 2023 Plan , which is equal to 80% of the target grant. The PRSUs will vest in full on April 1, 2028, and additional restricted stock units may be earned based on the achievement of certain performance metrics subject to the terms of the 2023 Plan and such award.