Olofsson (shoulder) signed a one-year, two-way contract with Montreal on Friday.
Ouellet agreed to terms on a one-year, two-way contract with Montreal on Monday.
Kulak signed a three-year, $5.55 million contract with the Canadiens on Saturday.
Drouin underwent surgery to repair a fractured nose Tuesday.
Suzuki picked up the game-winning goal in Guelph's 3-2 victory over Saginaw in Game 7 OHL playoff action Monday.
Weal agreed to terms on a two-year, $2.8 million contract with Montreal on Friday.
Thompson agreed to a one-year, one-way contract extension with the Canadiens on Thursday.
Kotkaniemi underwent arthroscopic surgery on his left knee Tuesday.
Folin agreed to a one-year, one-way contract extension with the Canadiens on Thursday.
Suzuki tallied a goal and two assists to help Guelph to a 6-3 win over London in Game 7 OHL playoff action on Tuesday.
Juulsen (face) said Monday that he's healthy and has been cleared to play for the 2019-20 season.
After appearing in 72 games a year ago, 2018-19 saw Hudon play only 32 games and finish with five points.
Reilly finished the year on the outside looking in, as the defenseman dressed only once between Feb. 26 and the end of the season.
Lindgren made 44 saves in a 6-5 shootout win over Toronto on Saturday.
Shaw scored a goal and added an assist in Saturday's 6-5 shootout win over the Maple Leafs.
Poehling scored a hat trick and clinched the game in the shootout in a 6-5 win over Toronto.
Poehling will make his NHL debut Saturday, with the first-round draft pick (2017) projected to center the fourth line against the Maple Leafs, John Lu of TSN.ca reports.
Byron will miss the regular-season finale against the Maple Leafs due to a lingering wrist injury, Eric Engels of Sportsnet.ca.
Lindgren will draw the start Saturday against the visiting Maple Leafs, Jean-Francois Chaumont of Le Journal de Montreal reports.
Weber tallied a power-play goal, two penalty minutes and two hits during Thursday's 2-1 loss to the Capitals.
Price turned aside 29 of 31 shots faced during Thursday's 2-1 road loss to the Capitals.
Price will tend the twine for Thursday's road tilt with the Capitals, Pat Hickey of The Montreal Gazette reports.
Armia potted a goal in Tuesday's win over the Lightning.
Lehkonen scored a goal and added an assist in Tuesday's win over the Lightning.
Domi tickled the twine in Tuesday's win over the Lightning.