Stephens was placed on waivers by the Kraken on Tuesday.
Stephens signed a two-year, two-way contract with the Kraken on Monday.
Montreal announced Monday that Stephens was put on waivers.
Stephens had an assist and one block over 10:15 of ice time in Saturday's 4-3 shootout win over the Rangers.
Stephens scored a goal on one shot and had a block over 9:08 of ice time in Thursday's 5-3 loss to Carolina.
Stephens found the back of the net in a 5-2 win over Chicago on Friday.
Stephens was called up from AHL Laval on Friday.
Stephens was put on waivers Saturday.
Stephens signed a one-year, two-way contract with the Canadiens on Tuesday, per CapFriendly.
Stephens was placed on waivers by Montreal on Tuesday.