Christopher Sambar - 01 Aug 2026 Form 4 Insider Report for T-Mobile US, Inc. (TMUS)

Reporting relationship: Chief Enterprise Officer
Issuer ticker: TMUS
Reported as of: 01 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 Aug 2026, 16:44:12 UTC
Prior SEC filing: 07 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Frederick Williams, Attorney-in-Fact

Key filing fact

Christopher Sambar filed Form 4 for T-Mobile US, Inc. (TMUS) on 04 Aug 2026.

Key facts

This page summarizes Christopher Sambar's Form 4 filing for T-Mobile US, Inc. (TMUS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 Aug 2026, 16:44.

Change

Previous filing in this sequence was filed on 07 Mar 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002028756 Primary reporting owner

Sambar Christopher

Relationship: Chief Enterprise Officer
Address: C/O T-MOBILE US, INC., 12920 SE 38TH STREET, BELLEVUE
Signature: /s/ Frederick Williams, Attorney-in-Fact
Signature date: 04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TMUS transaction

Common Stock

Award

Transaction value
Shares: +40,966
Change %
Price: $0.000000^*
Shares after: 40,966
Date: 01 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.