TMUS T-Mobile US

company

SEC Filings & Insider Trading Activity 2026

Risk Factors

• • FCC investigation and class action lawsuits following August 2021 and January 2023 cyberattacks causing significant costs
• • Exposure to Ukraine-Russia and Israel-Hamas conflicts impacting supply chain and consumer demand due to geopolitical instability

Management Discussion & Analysis

• • Revenue $85.5B, up $6.9B (8%) YoY, driven by postpaid (+$5.6B, 11%) and equipment revenues (+$1.7B, 12%), wholesale down $562M (-16%)
• • Operating income $15.1B, up $269M (1%), net income $11.0B, down $347M (-3%), net income margin 15% vs 17%

Business Overview

• • Core business model: Nationwide wireless communications and broadband services with focus on customer experience and network quality
• • New product emphasis: 5G broadband fixed wireless product launched, leveraging advanced multilayer spectrum portfolio

Management Discussion & Analysis

• • Revenue $21.96B Q3 2025, up 9% YoY from $20.16B; nine months $63.98B, up 7% from $59.53B
• • Operating income margin 20.6% Q3 2025 ($4.53B/$21.96B) vs 23.8% YoY ($4.80B/$20.16B); nine months operating income up 8% to $14.54B

Risk Factors

• • New CEO transition risk triggered by November 1, 2025 retirement of G. Michael Sievert and appointment of Srinivasan Gopalan
• • Updated compliance risk due to expanded Government Commitments including extensive 5G build-out and network services for DISH under a 7-year MNSA

What are the latest TMUS SEC filings in 2026?

T-Mobile US (TMUS) has filed a 10-K annual report on February 11, 2026, a 10-Q quarterly report on October 23, 2025, an 8-K current report on April 28, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did TMUS file its most recent 10-K annual report?

T-Mobile US (TMUS) filed its most recent 10-K annual report on February 11, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view TMUS 10-Q quarterly reports?

T-Mobile US (TMUS)'s most recent 10-Q quarterly report was filed on October 23, 2025. SignalX displays every TMUS 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has TMUS filed recently?

T-Mobile US (TMUS)'s most recent 8-K was filed on April 28, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find TMUS insider trading activity (Form 4)?

SignalX aggregates every TMUS Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does TMUS file with the SEC?

T-Mobile US (TMUS) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new TMUS filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for T-Mobile US (TMUS).

What is TMUS's SEC CIK number?

T-Mobile US (TMUS)'s SEC CIK (Central Index Key) number is 1283699. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1283699 to look up all TMUS filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find TMUS return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from T-Mobile US (TMUS) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.