Asset Class Fund Name Summary Prospectus Full Prospectus SAI Annual Report Semi-Annual Report XBRL Basket Details Transaction Fee

Income

Calvert Ultra-Short Duration Income NextShares - CRUSC CRUSC and Summary Prospectus CRUSC and Full Prospectus CRUSC and SAI   CRUSC and Semi-Annual Report CRUSC and XBRL CRUSC and Basket Details CRUSC and Transaction Fee