Sep 24, 2025 4:45 PM Eastern Daylight Time Argus Professional Storage Management, LLC to Combine with SmartStop Self Storage REIT, Inc. Share LADERA RANCH, Calif. & TUCSON, Ariz.--(BUSINESS WIRE)--SmartStop Self Storage REIT, Inc. ("SmartStop†) (NYSE: SMA), an internally managed real estate investment trust and a premier owner and operator of self-storage facilities in the United States and Canada, announced a significant milestone in its growth strategy with the signing of a contribution agreement for Ar ...