Telephone and Data Systems, Inc.

Telephone and Data Systems, Inc.

TDSยทNYSE

$39.19

+0.72%
Communication ServicesTelecommunications Services

Telephone and Data Systems, Inc., a telecommunications company, provides communications services in the United States. It operates through two segments: UScellular and TDS Telecom. The company offers wireless solutions to consumers and business and government customers, including a suite of connected Internet of things (IoT) solutions, and software applications for monitor and control, business automation/operations, communication, fleet and asset management, smart water solutions, private cellular networks and custom, and end-to-end IoT solutions; wireless priority services and quality priority and preemption options; smartphones and other handsets, tablets, wearables, mobile hotspots, routers, and IoT devices; and accessories, such as cases, screen protectors, chargers, and memory cards, as well as consumer electronics, including audio, home automation and networking products. It also provides replace and repair services; Trade-In program through which it buys customers' used equipment; internet connections and all-home WI-FI services; TDS TV+, an integrated cloud television platform that offers video content; local and long-distance telephone service, VoIP, and enhanced services; and broadband, IP-based services, and hosted voice and video collaboration services. The company sells its products through retail sales, direct and indirect sales, third-party retailers, and independent agents, as well as through ecommerce and telesales. As of December 31, 2021, it offers its services to customers 5 million wireless connections, and 1.2 million wireline and cable connections. The company was incorporated in 1968 and is headquartered in Chicago, Illinois.

At a Glance

Live Snapshot
Market Cap$4.17B
EPS-0.6600
P/E Ratio-59.38
Earnings Date07/30/2026

SEC Filings

TDS - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

June 01, 2026
June 01, 2026
2026
8-K

8-K 2026

N/A

May 26, 2026
May 21, 2026
2026
10-Q

10-Q 2026 Q1

Q1

May 08, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

May 08, 2026
May 08, 2026
2026
8-K

8-K 2026

N/A

May 08, 2026
May 07, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 08, 2026
May 21, 2026
2026
8-K

8-K 2026

N/A

March 24, 2026
March 18, 2026
2026
8-K

8-K 2026

N/A

March 13, 2026
March 10, 2026
2026
10-K

10-K 2025 FY

FY

February 24, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 20, 2026
February 20, 2026
2026
Showing 1 to 10 of 546 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance