Star Equity Holdings, Inc.

Star Equity Holdings, Inc. ( Star Equity, Star, the Company, we, or our, formerly known as Hudson Global, Inc. ( Hudson )) is a diversified multi-industry holding company operating through four reportable segments: Building Solutions, Business Services, Energy Services, and Investments. Our common stock and 10% Series A Cumulative Perpetual Preferred Stock are listed on the Nasdaq Global Market under the symbols STRR and STRRP, respectively. The Building Solutions segment operates in the construction industry. The Business Services segment, which consists of Hudson Talent Solutions, LLC ( HTS ), delivers customized recruitment and contracting solutions to mid-to-large multinational companies, including Recruitment Process Outsourcing ( RPO ), project-based RPO, contingent workforce solutions, recruitment consulting, outsourced professional contract staffing, and managed service provider ( MSP ) services. The Energy Services segment consists of Alliance Drilling Tools, Inc. ( ADT ), which manufactures and supplies specialized drilling tools and downhole equipment used in directional drilling for oil and gas well construction as well as other applications, including mining, geothermal, and water wells. The Investments segment holds and manages certain corporate-owned real estate assets and investments in a limited number of publicly traded and private companies. Merger On August 22, 2025, Star completed its previously announced acquisition of Star Operating Companies, Inc.