JPMorgan Chase (JPM) told HousingWire.com the bank will decline comment on a Bloomberg news item suggesting the lender is about to sell $373 million prime new issue residential mortgage-backed securities.

Data collected by Bloomberg suggests the deal is in the works, with reporters Jody Shenn and Christopher DeReza reporting that the ticker may be JPMMT 2014-1, and the transaction is expected to carry a weighted credit score of 766 and is packed with fixed-rate, first-lien residential loans, with the majority maturing in 30 years.

The pool contains 428 loans.

Originators include RMP, Opes Advisors, First Republic, Guaranteed Rate, Fifth Third, Bank of Manhattan, Guild Mortgage, imortgage.com, First Savings, Prime Mortgage, Cobalt, Dubuque Bank, Bank of Oklahoma, Cornerstone, Johnson Banks, Everett Financial, Susquehanna Bancshares, AmeriSave Mortgage.