STAG Industrial, Inc. is an industrial real estate operating company focused on the acquisition, development, and operation of industrial properties throughout the United States. The Company was formed as a Maryland corporation and has elected to be treated and intends to continue to qualify as a real estate investment trust (REIT) under Sections 856 through 860 of the Internal Revenue Code of 1986, as amended. The Company is structured as an umbrella partnership REIT, commonly called an UPREIT, and owns all its properties and conducts substantially all its business through its operating partnership, STAG Industrial Operating Partnership, L.P., a Delaware limited partnership (the Operating Partnership). As of June 30, 2026, and December 31, 2025, the Company owned 98.0% and 98.1%, respectively, of the common units of the limited partnership interests in the Operating Partnership. The Company, through its wholly owned subsidiary, is the sole general partner of the Operating Partnership. As used herein, the (Company) refers to STAG Industrial, Inc. and its consolidated subsidiaries, including the Operating Partnership, except where context otherwise requires. As of June 30, 2026, the Company owned 606 industrial buildings in 41 states with approximately 122.6 million rentable square feet. STAG Industrial, Inc. was incorporated in 2010 in Maryland and is based in Boston, United States.