Srikant M. Datar - 04 Mar 2026 Form 4 Insider Report for T-Mobile US, Inc. (TMUS)

Role: Director
Signature: /s/ Frederick Williams, Attorney-in-Fact
Issuer symbol: TMUS
Transactions as of: 04 Mar 2026
Net transactions value: -$727,640
Form type: 4
Filing time: 06 Mar 2026, 17:20:18 UTC
Previous filing: 03 Jul 2025
Next filing: 12 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Datar Srikant M.	Director	C/O T-MOBILE US, INC., 12920 SE 38TH STREET, BELLEVUE	/s/ Frederick Williams, Attorney-in-Fact	05 Mar 2026	0001376436

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TMUS	Common Stock	Sale	$727,640	-3,291	-76%	$221.10	1,038	04 Mar 2026	Direct	F1
holding	TMUS	Common Stock						11,843	04 Mar 2026	By Legacycap LLC	F2
holding	TMUS	Common Stock						11,724	04 Mar 2026	By Safari LLC	F2
holding	TMUS	Common Stock						8,200	04 Mar 2026	By Datar Investment LLC	F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $221.00 to $221.25. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth on this footnote.
F2	Mr. Datar is a co-manager of Datar Investment LLC, Safari LLC, and Legacycap LLC and has shared voting and investment power over the securities held by these entities.

Content

The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $221.00 to $221.25. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth on this footnote.

Mr. Datar is a co-manager of Datar Investment LLC, Safari LLC, and Legacycap LLC and has shared voting and investment power over the securities held by these entities.