INVESTOR RELATIONS Event November 16, 2021 Needham Virtual Security, Networking & Communication Conference, November 16, 2021 Resources Event Update to ADTRAN and ADVA Combination Investor Presentation Resources Event November 1, 2021 ADTRAN Releases 3rd Quarter 2021 Financial Results and Earnings Call Resources Event August 30, 2021 ADTRAN and ADVA Combination Information Resources OverviewFinancial Information Downloadable FinancialsSEC FilingsNews & Events Stock Information Corporate Governance Investor Resources Facebook Twitter Google + Youtube Vimeo Support Forums Linked in RSS Overview ADTRAN is a leading global provider of networking and communications equipment, serving a diverse domestic and international customer base in 68 countries that includes Tier-1, 2 and 3 service providers, Cable/MSOs and distributed enterprises. Our innovative solutions and services enable voice, data, video and internet communications across a variety of network infrastructures and are currently in use by millions worldwide. We support our customers through our direct global sales organization and our distribution networks. For more information, please visit www.adtran.com. Stock Quote Nasdaq: ADTN $21.55-0.41 (-1.87%) Volume 301,174 Market cap 1.05B Today's Open 21.71 Previous close 21.96 Intraday high 21.75 Intraday low 21.35 November 24, 2021 4:00 PM Pricing delayed by 20 minutes Stock Chart 1m 3m 6m YTD 1y All 6. Sep 20. Sep 4. Oct 18. Oct 1. Nov 15. Nov 15 17.5 20 22.5 Latest News All News Financials November 12, 2021 ADTRAN Announces Start of Acceptance Period of Voluntary Public Takeover Offer for ADVA Optical Networking SE November 8, 2021 ADTRAN, Inc. to Present at the Needham Virtual Security, Networking, & Communications Conference on November 16, 2021 November 1, 2021 ADTRAN, Inc. Reports Earnings for the Third Quarter of 2021 and Declares Quarterly Cash Dividend VIEW MORE NEWS Featured Event November 16, 2021 Needham Virtual Security, Networking & Communication Conference, November 16, 2021 Listen to Webcast (opens in new window) Read More November 1, 2021 ADTRAN Releases 3rd Quarter 2021 Financial Results and Earnings Call Read More November 1, 2021 Update to ADTRAN and ADVA Combination Investor Presentation AnA Investor Presentation Read More October 15, 2021 ADTRAN, Inc. Pre-Announces Financial Results for the Third Quarter of 2021 and Provides Current Outlook Listen to Webcast (opens in new window) Transcript Read More VIEW MORE EVENTS Quarterly Results Earnings Press Release Segment and Category Revenues Transcript Audio of Earnings Call Earnings Call Supporting Materials Annual Reports Annual Reports 10-K Investor Contact Rhonda Lambert - Corporate Services Administrator 256-963-7450 Email Investor Relations Request Financial Information Email Alerts Press Release SEC Filing Presentation Event End of Day Stock Quote Unsubscribe ABOUT CAREERS INVESTOR RELATIONS NEWSROOM TRADESHOWS & EVENTS SUPPORT SUPPORT COMMUNITY DOWNLOADS PRE-SALES WARRANTY WHERE TO BUY LOGO STANDARDS LEGAL ADTRAN IS GREEN PRIVACY SITE MAP CONTACT US CORPORATE HEADQUARTERS 901 Explorer Blvd. Huntsville, AL 35806 800-9ADTRAN 800-923-8726 256-963-8000 +1 256 963 8716 - Intl. SUPPORT - 888-4ADTRAN 888-423-8726 - US +1 256-963-8716 - Intl. CONTACT US Contact Us Feedback COPYRIGHT © 2021 - ADTRAN POWERED BY Q4 INC. 5.56.0.1 (OPENS IN NEW WINDOW)