It's like **Slack or Microsoft Teams, but purpose-built for critical clinical communication and workflow coordination within hospitals.**

Think of it as **PagerDuty for healthcare, managing and routing critical clinical alerts and communications to care teams in hospitals.**

• Messaging Services: Provides subscriptions for one-way or two-way messaging.
• Ancillary Services: Offers supplementary services such as voicemail and equipment loss or maintenance protection.
• Communication Devices: Sells devices, typically to resellers, for messaging purposes.
• Spok Care Connect Platform: An integrated platform designed to enhance clinical workflows and support administrative compliance in healthcare.
• Professional & Support Services: Delivers professional services, software license updates, and product support for its solutions.
• Third-Party Equipment Sales: Sells equipment manufactured by other companies.

Major Customers of Spok Holdings, Inc. (SPOK)

• Healthcare Organizations: This is a primary focus, serving hospitals, clinics, and other healthcare providers with solutions to enhance clinical workflows and patient outcomes, targeting care teams, clinicians, and medical personnel.
• Resellers: The company sells devices to resellers who then lease or resell them to their own subscribers, making resellers a direct customer segment for Spok.
• Diverse Businesses and Government Agencies: Spok serves a wide range of other organizations including general businesses, professionals, management personnel, field sales and service forces, construction industry, real estate brokers and developers, sales and services organizations, specialty trade organizations, manufacturing organizations, and government agencies.

Vincent Kelly, President and CEO

Vincent Kelly has over 35 years of leadership experience in the communications industry, with expertise in strategic planning, mergers and acquisitions, regulatory, and financial matters. He became a director, president, and CEO of Spok Holdings, Inc. (formerly USA Mobility, Inc.) in November 2004 when the company was formed through the merger of Metrocall, Inc. and Arch Wireless, Inc. Before the merger, Kelly held various roles at Metrocall, including chief executive officer, chief operating officer, chief financial officer, and executive vice president. He was instrumental in the 2011 acquisition of Amcom software, which facilitated Spok's rebranding and shift into clinical communications and collaboration solutions. Prior to joining Metrocall in 1987, Kelly was a certified public accountant.

Calvin Rice, Chief Financial Officer

Calvin Rice was appointed Chief Financial Officer in August 2022. He previously served as Spok's Chief Accounting Officer since March 2020 and Controller since October 2018. Before his time at Spok, Rice worked as a senior consultant with SC&H Group Inc., where he focused on internal audit and SOX compliance for software and technology companies. He began his career as an accountant at Moodlerooms, Inc. Rice is a licensed certified public accountant and certified internal auditor.

Michael Wallace, President, Spok, Inc.; and Chief Operating Officer

Michael Wallace was named President of Spok, Inc., a wholly owned operating subsidiary of Spok, in August 2022, and has served as Spok's Chief Operating Officer since January 2020. He possesses over 25 years of experience as a financial executive in both public and private companies. Prior to his current roles, Wallace was Spok's Chief Financial Officer from March 2017 to July 2022. Before joining Spok, he was the Executive Vice President and Chief Financial Officer of Intermedix, a global provider of technology-enabled professional services to healthcare providers, government agencies, and corporations, where he also held operational responsibility for its large offshore presence. Wallace has also held senior financial executive positions at several other private companies, including The Elephant Group, Radiology Corporation of America, Inktel Direct, Corp., CELLIT Technologies, Inc., and Kellstrom Industries, Inc. He also served as an Assistant Chief Accountant in the SEC's Division of Enforcement.

Timothy Tindle, Chief Information Officer and Chief Technology Officer

Timothy Tindle joined Spok in 2019, taking on the role of Chief Information Officer and being appointed Chief Technology Officer in 2023. He is responsible for Spok's wireless and software-based critical communications and collaboration products, as well as corporate information systems, information security, wireless engineering, and operations. Tindle brings over four decades of experience as a technology executive and business leader, including serving as President of an international software development firm that pioneered enterprise Client Server based information systems.

Sharon Woods Keisling, Corporate Secretary and Treasurer

Sharon Woods Keisling manages Spok's treasury operations, facilities, and legal functions, with over 30 years of experience in the communications industry. She joined Metrocall, Inc. in August 1989 and was appointed Corporate Secretary of Spok (formerly USA Mobility, Inc.) in July 2007, and Treasurer in October 2008. Woods Keisling was named Vice President of Treasury Operations during the merger of Arch Wireless, Inc. and Metrocall, Inc. Her previous roles included positions in accounts receivable and IT, where she played a key role in implementing cyclical billing.

Here are the key risks to Spok's business:

1. Declining Wireless Revenue and Dependence on Legacy Business: Spok faces the significant ongoing risk of declining wireless revenues, stemming from industry-wide trends and a continuous decrease in the number of paging units in service. The company itself acknowledges its pager business as a "declining cash cow," indicating a fundamental, long-term challenge to a portion of its revenue.

2. Challenges in Driving Software Growth and Adapting to the Evolving Healthcare IT Landscape: While Spok is actively investing in and enhancing its software offerings, such as the Spok Care Connect platform and AI integration, the growth in this segment has been described as modest. The company operates within an evolving and competitive healthcare IT landscape, facing competition from new technologies and firms with greater financial and human capital resources. Market saturation in healthcare communications and budget constraints within healthcare organizations also present ongoing obstacles to the successful implementation and widespread adoption of its software solutions.

3. Financial Prudence and Return on R&D Investments: Spok's significant investments in research and development for new software solutions, including AI integration, come amidst existing revenue challenges. There are concerns regarding the financial prudence of these substantial R&D expenditures and their potential strain on cash flows, especially if these investments do not translate into substantial, accelerated growth. The current modest growth trajectory of the software segment further complicates justifying a premium valuation without a clear and strong growth catalyst.

The primary emerging threat to Spok is the continued and accelerating adoption of **smartphone-centric, integrated communication platforms and secure messaging applications** within healthcare settings. Major Electronic Health Record (EHR) vendors are increasingly embedding robust communication and collaboration tools directly into their systems, while specialized healthcare communication companies offer advanced, HIPAA-compliant messaging, voice, and video solutions that leverage clinicians' personal or hospital-issued smartphones. These modern solutions provide richer functionality, seamless integration with patient data, and better user experiences compared to traditional dedicated messaging devices (pagers) and less integrated communication systems, thereby making Spok's core messaging services and device sales increasingly vulnerable to obsolescence.

Spok (symbol: SPOK) operates in two main addressable markets: Clinical Communication and Collaboration (CC&C) solutions and paging services within the healthcare sector.

Clinical Communication and Collaboration (CC&C) Market

The global clinical communication and collaboration (CC&C) market was estimated at approximately USD 2.99 billion in 2024 and is projected to reach about USD 8.14 billion by 2030, with a compound annual growth rate (CAGR) of 18.1% from 2025 to 2030. Other estimates place the global market at USD 2.42 billion in 2023, projected to reach USD 7.09 billion by 2032 with a CAGR of 12.68%.

North America consistently holds a significant share of this market. In 2024, the North American CC&C market accounted for over 32% of the global market, with some reports indicating a 38.2% revenue share or even over 40% of global adoption in 2023. The U.S. market specifically held a dominant position with a 65% share within the North American market in 2024.

Paging Services in Healthcare Market

The global pager market size was valued at approximately USD 1.48 billion in 2024 and is expected to grow to USD 2.00 billion by 2035, at a CAGR of about 2.7% from 2025 to 2035. Another report estimated the global pager market at USD 1.6 billion in 2023, with a CAGR of 5.90% from 2023 to 2030. The healthcare sector is a dominant application segment within the pager market, valued at USD 500 million in 2024 and projected to reach USD 640 million by 2035.

The wireless paging systems market, which includes healthcare pagers, is projected to grow from USD 698.6 million in 2025 to USD 826.8 million by 2035, at a CAGR of 1.7%. Healthcare pagers are anticipated to hold a 38.6% market share of the wireless paging systems market in 2025, and the healthcare application segment is expected to lead with a 41.7% share. North America is the leading regional market for pagers, accounting for approximately USD 600 million in 2024 and forecast to reach USD 760 million in 2035.

Spok (SPOK) is expected to drive future revenue growth over the next 2-3 years through several key initiatives, primarily centered on its software offerings and strategic management of its wireless business.

The anticipated drivers of revenue growth include:

1. Growth in Software Revenue through the Spok Care Connect Platform: Spok is focused on accelerating software license sales and increasing software operations bookings for its Spok Care Connect platform. In the fourth quarter of 2025, software operations bookings increased 14% year-over-year and 83% sequentially. The company's 2026 guidance projects continued software gains, with an emphasis on growing total bookings. This platform aims to enhance workflows for clinicians and support administrative compliance, delivering clinical information to care teams to improve patient outcomes.
2. Expansion of Professional and Managed Services Offerings: Spok has demonstrated strong growth in its professional services revenue, which increased nearly 24% in 2025. A significant contributor to this growth is the managed services offering, which saw triple-digit year-over-year growth in the third quarter of 2025 and comprised almost 30% of professional services revenue in 2025, up from 18% in 2024. These services are identified as higher-margin drivers for the company.
3. Strategic Management of Wireless Revenue with ARPU Increases and Churn Reduction: Although wireless revenue is experiencing a secular decline, Spok is working to stabilize this segment by implementing pricing actions to increase wireless average revenue per unit (ARPU) and focusing on reducing churn. Wireless ARPU was up 1.2% year-over-year in Q4 2025, and net churn improved to 1.3%. These efforts aim to maintain a stable cash flow from the wireless business, which continues to be a significant part of the company's recurring revenue base.
4. Investment in Research and Development for Product Enhancement and Innovation: Spok is investing in its industry-leading solutions to fuel future growth, with over $12 million devoted to developing its Spok Care Connect and Wireless solutions in 2025. The company is also actively exploring the integration of artificial intelligence (AI) into its operator console, aiming to improve efficiency and training within critical healthcare use cases. These investments are expected to enhance product offerings, create stockholder value, and contribute to future revenue generation.