The latest prime non-agency mortgage-backed securities from Flagstar Bank and loanDepot include a mix of mortgages eligible for sale to the government-sponsored enterprises and non-agency jumbo mortgages. Flagstar included a further twist with its MBS, as the GSE-eligible mortgages are for investment properties. Such loans account for 77.9 percent of the planned $326.2 million Flagstar Mortgage Trust 2018-6RR. The issuance follows a $329.1 million deal that Flagstar issued in May ...