PRAIRIE DU SAC, WIS. — American Healthcare Investors and Griffin Capital Co. LLC, the co-sponsors of Griffin-American Healthcare REIT IV Inc., have acquired the Sauk Prairie medical office building in Prairie du Sac near Madison for $19.5 million. Built in 2014, the 55,000-square-foot building is currently fully leased to multiple healthcare service providers. Sauk Prairie Healthcare occupies 59 percent of the property, which is connected to the 36-bed Sauk Prairie Hospital. Chris Bodnar and Lee Asher of CBRE represented the seller, Sauk Prairie MOB LLC. As of this acquisition, the REIT has purchased a portfolio of 43 medical office buildings, seniors housing facilities and skilled nursing facilities for an aggregate contract purchase price of approximately $508 million.