TDS TELEPHONE & DATA SYSTEMS INC /DE/

company

SEC Filings & Insider Trading Activity 2026

Business Overview

• • Core business model: Communications services via TDS Telecom (1.1M connections) and tower leasing plus spectrum holdings via 82%-owned Array Digital Infrastructure
• • New emphasis on fiber broadband expansion delivering up to 8 Gbps residential speeds, especially in Wisconsin and Pacific Northwest markets in 2025

Risk Factors

• • Regulatory risk: Uncertainty of FCC approval for Verizon and T-Mobile spectrum license sales, threatening $ pending transaction proceeds for debt repayment and dividends
• • Macroeconomic risk: Adverse impact from sustained higher U.S. inflation eroding real-dollar revenue and margins on fixed-rate annual escalators in Array colocation contracts

Management Discussion & Analysis

• • Total operating revenues $1,228.2M in 2025, down 5% YoY from $1,297.0M in 2024; TDS Telecom revenue down 2% to $1,038.4M
• • Operating margin negative 7.9% in 2025 (operating loss $97.4M on $1,228.2M revenue) vs negative 14.7% in 2024 (loss $191.3M on $1,297.0M revenue)

Risk Factors

• • New risk: Closing T-Mobile transaction on Aug 1, 2025 triggered operational changes and potential decommissioning costs impacting future cash flows
• • Material update: Spectrum sales to Verizon, AT&T, T-Mobile face regulatory approval delays and government shutdown impact, risking non-closure and asset impairments

What are the latest TDS SEC filings in 2026?

TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) has filed a 10-K annual report on February 24, 2026, a 10-Q quarterly report on November 7, 2025, an 8-K current report on March 24, 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 TDS file its most recent 10-K annual report?

TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) filed its most recent 10-K annual report on February 24, 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 TDS 10-Q quarterly reports?

TELEPHONE & DATA SYSTEMS INC /DE/ (TDS)'s most recent 10-Q quarterly report was filed on November 7, 2025. SignalX displays every TDS 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 TDS filed recently?

TELEPHONE & DATA SYSTEMS INC /DE/ (TDS)'s most recent 8-K was filed on March 24, 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 TDS insider trading activity (Form 4)?

SignalX aggregates every TDS 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 TDS file with the SEC?

TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) 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 TDS 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 TELEPHONE & DATA SYSTEMS INC /DE/ (TDS).

What is TDS's SEC CIK number?

TELEPHONE & DATA SYSTEMS INC /DE/ (TDS)'s SEC CIK (Central Index Key) number is 1051512. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1051512 to look up all TDS filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

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

SignalX extracts XBRL financial data from TELEPHONE & DATA SYSTEMS INC /DE/ (TDS) 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.