The management label that reps rapper Post Malone purchased a boutique commercial building near Wynwood for $5.6 million. The sellers — Simon and Antoine Karam of Fininvest Realty Corp — were asking $100,000 more than the final sale price, $5.7 million. DWNTWN Realty Advisors’ Tony Arellano and Devlin Marinoff, who announced the sale, represented the duo.
