Freddie Mac’s multifamily K-Deals are “a model for the future of mortgage securitization,” according to David Brickman, a senior vice president overseeing multifamily activities at the government-sponsored enterprise. However, the risk-sharing deals face regulatory hurdles and differ in a number of ways from practices in the residential mortgage securitization market. While Brickman pushed K-Deals as a model, it wasn’t the design used in the Structured Agency Credit Risk risk-sharing transaction Freddie issued in July. K-Deals include subordinate bonds that are not guaranteed by the GSE, while the STACR transaction was unsecured corporate debt based on a reference pool of mortgages with Freddie taking a small first-loss position followed by two non-guaranteed tranches. When Freddie issued the STACR transaction, the GSE stressed...