Gust was recalled from AHL Rockford on Saturday, according to Mark Lazerus of The Athletic.
Gust was placed on waivers Sunday, per Chris Johnston of TSN.
Gust was assigned to AHL Rockford on Friday, Ben Pope of the Chicago Sun-Times reports.
Gust was placed on waivers Wednesday, Elliotte Friedman of Sportsnet reports.
Gust signed a two-year contract with Chicago on Thursday and was subsequently recalled from AHL Rockford, Ben Pope of the Chicago Sun-Times reports.
Gust was recalled from AHL Chicago to the taxi squad Wednesday, per CapFriendly.