SEC Filing Analysis: T-Mobile US, Inc. (TMUS)

Executive Summary

• Trading Significance: Low
• Key Takeaway: T-Mobile's CFO, Peter Osvaldik, disposed of 1,200 shares as a gift, a non-market transaction with no cash value.
• Market Impact: Negligible. This type of transaction does not signal a change in insider sentiment and has no financial impact on the company.

Company Information

Field	Value
Company	T-Mobile US, Inc.
Ticker Symbol	TMUS
CIK	0001283699
Industry	Radio Telephone Communications

Insider Information

Field	Value
Name	Osvaldik Peter
CIK	0001596235
Title/Position	CFO
Relationship	Officer

Transaction Details

Field	Value
Form Type	4
Transaction Date	2025-12-09
Transaction Code	G (Gift)
Security Type	Common Stock
Shares Involved	1,200
Price Per Share	$0.00
Total Value	$0
Shares Owned After	60,109.615
Ownership Type	Direct

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$0
% of Market Cap	0.0%
Shares Transacted	1,200
% of Shares Outstanding	0.0001%
Post-Transaction Ownership	60,109.615 shares (0.0053% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The transaction value is $0, making it immaterial against T-Mobile's $241.69 billion market capitalization.
• Ownership Concentration: The gift represents a very small fraction of the CFO's direct holdings and an insignificant portion of the total shares outstanding.
• Transaction Significance: As a gift (Code G) with a $0 price, this transaction is not an open-market sale and carries no investment signal. It is typically associated with estate planning or charitable donations. The impact on the market and share price is expected to be nonexistent.