Spok Holdings, Inc

Spok, Inc., a wholly owned subsidiary of Spok Holdings, Inc. (NASDAQ: SPOK), is proud to be a global leader in healthcare communications. We deliver clinical information to care teams when and where it matters most to improve patient outcomes. Top hospitals rely on Spok products and services to enhance workflows for clinicians, support administrative compliance, and provide a better experience for patients. Our headquarters is located at 3000 Technology Drive, Suite 400 , Plano, Texas 75074, and our telephone number is 800-611-8488. We maintain a website at http://www.spok.com . This website address is for information only and is not intended to be an active link or to incorporate any website information into this Annual Report on Form 10-K for the year ended December 31, 2025 (the "2025 Form 10-K"). We deliver smart, reliable clinical communication and collaboration solutions to help protect the health, well-being, and safety of people in the United States and abroad, on a limited basis, in Europe, Canada, Australia, Asia and the Middle East. Our customers rely on Spok for workflow improvement, secure texting, paging services, contact center optimization, and public safety response. We develop, sell, and support enterprise-wide systems primarily for healthcare and other organizations needing to automate, centralize, and standardize their approach to clinical and critical communications.