| | RW | Traded (The Montreal Canadiens traded F Jacob Perreault to the Edmonton Oilers.) To |
| | D | Traded (The Edmonton Oilers traded D Noel Hoefenmayer to the Montreal Canadiens.) From |
| | LW | Activated (The Montreal Canadiens activated F Patrik Laine from injured reserve.) |
| | RW | Sent to minors (The Montreal Canadiens assigned F Joshua Roy to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Lucas Condotta to the minors.) |
| | RW | Called up from minors (The Montreal Canadiens recalled F Joshua Roy from the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Rafael Harvey-Pinard to the minors on a long-term injury conditioning loan.) |
| | C | Sent to minors (The Montreal Canadiens sent F Oliver Kapanen to the minors.) |
| | LW | Called up from minors (The Montreal Canadiens recalled F Lucas Condotta from the minors.) |
| | D | Activated (The Montreal Canadiens activated D Kaiden Guhle from injured reserve.) |
| | D | Sent to minors (The Montreal Canadiens sent D Logan Mailloux to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Lucas Condotta to the minors.) |
| | D | Placed on Injured Reserve (The Montreal Canadiens placed D Kaiden Guhle on the Injured Reserve.) |
| | LW | Called up from minors (The Montreal Canadiens recalled F Lucas Condotta from the minors.) |
| | RW | Sent to minors (The Montreal Canadiens sent F Jacob Perreault to the minors.) |
| | D | Called up from minors (The Montreal Canadiens recalled D Logan Mailloux from the minors.) |
| | C | Waived (The Montreal Canadiens waived F Alex Barre-Boulet.) |
| | D | Waived (The Montreal Canadiens waived D Gustav Lindstrom.) |
| | D | Signed (The Montreal Canadiens signed D Gustav Lindstrom to a two-way contract and was waived.) |
| | D | Signed (The Montreal Canadiens signed D Gustav Lindstrom to a two-way contract and was waived.) |
| | RW | Called up from minors (The Montreal Canadiens recalled F Jacob Perreault from the minors.) |
| | LW | Placed on Injured Reserve (The Montreal Canadiens placed F Rafael Harvey-Pinard on injured reserve.) |
| | LW | Placed on Injured Reserve (The Montreal Canadiens placed F Patrik Laine on long-term injured reserve.) |
| | G | Sent to minors (The Montreal Canadiens sent G Quentin Miller to the minors.) |
| | RW | Placed on Injured Reserve (The Montreal Canadiens placed F Jacob Perreault on injured reserve.) |
| | D | Sent to minors (The Montreal Canadiens sent D Logan Mailloux to the minors.) |
| | RW | Sent to minors (The Montreal Canadiens sent F Joshua Roy to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Adam Engstrom to the minors.) |
| | G | Sent to minors (The Montreal Canadiens sent G Jakub Dobes to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Lucas Condotta to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D William Trudeau to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Brandon Gignac to the minors.) |
| | C | Called up from minors (The Montreal Canadiens recalled F Brandon Gignac from the minors.) |
| | D | Called up from minors (The Montreal Canadiens recalled D William Trudeau from the minors.) |
| | LW | Called up from minors (The Montreal Canadiens recalled F Lucas Condotta from the minors.) |
| | D | Placed on Injured Reserve (The Montreal Canadiens placed D David Reinbacher on injured reserve.) |
| | RW | Sent to minors (The Montreal Canadiens sent F Alex Beaucage to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Jared Davidson to the minors.) |
| | RW | Sent to minors (The Montreal Canadiens sent F Filip Mesar to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Zack Hayes to the minors) |
| | C | Sent to minors (The Montreal Canadiens sent F Logan Nijhoff to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Florian Xhekaj to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Luke Tuch to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Sean Farrell to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Laurent Dauphin to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Vincent Sevigny to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Chris Jandric to the minors.) |
| | G | Sent to minors (The Montreal Canadiens sent G Luke Cavallin to the minors.) |
| | G | Sent to minors (The Montreal Canadiens sent G Hunter Jones to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Charles Savoie to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Tyler Wotherspoon to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Vincent Arseneau to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Israel Mianscum to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Jakov Novak to the minors.) |
| | G | Sent to minors (The Montreal Canadiens sent G Connor Hughes to the minors.) |
| | RW | Sent to minors (The Montreal Canadiens sent F Jacob Perreault to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Simon Motew to the minors.) |
| | RW | Sent to minors (The Montreal Canadiens sent F Jacob Perreault to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D William Trudeau to the minors.) |
| | D | Sent to minors (The Montreal Canadiens sent D Josh Jacobs to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Riley Kidney to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Xavier Simoneau to the minors.) |
| | C | Sent to minors (The Montreal Canadiens sent F Owen Beck to the minors.) |
| | LW | Sent to minors (The Montreal Canadiens sent F Lucas Condotta to the minors.) |
| | C | Waived (The Montreal Canadiens waived F Brandon Gignac.) |
| | C | Waived (The Montreal Canadiens waived F Brandon Gignac.) |
| | G | Signed (The Montreal Canadiens signed G Quentin Miller to a rookie camp roster.) |
| | D | Traded (The Montreal Canadiens traded D Jordan Harris to the Columbus Blue Jackets.) To |
| | LW | Traded (The Columbus Blue Jackets traded F Patrik Laine to the Montreal Canadiens.) From |
| | D | Contract extended (The Montreal Canadiens signed D Kaiden Guhle to a contract extension.) |
| | D | Signed (The Montreal Canadiens signed D Justin Barron.) |
| | C | Signed (The Montreal Canadiens signed F Alex Barré-Boulet to a standard contract.) |
| | RW | Became Unrestricted Free Agent (F Filip Cederqvist elected free agency.) |
| | C | Became Unrestricted Free Agent (F Colin White elected free agency.) |
| | D | Traded (The Mintreal Canadiens traded D Johnathan Kovacevic to the New Jersey Devils.) To |
| | RW | Became Unrestricted Free Agent (F Jesse Ylonen elected free agency.) |
| | LW | Became Unrestricted Free Agent (F Tanner Pearson elected free agency.) |
| | RW | Drafted (The Montreal Canadiens drafted RW Tyler Thorpe) |
| | D | Drafted (The Montreal Canadiens drafted D Owen Protz) |
| | G | Drafted (The Montreal Canadiens drafted G Mikus Vecvanags) |
| | D | Became Unrestricted Free Agent (D Chris Wideman elected free agency.) |
| | C | Drafted (The Montreal Canadiens drafted C Ben Merrill) |
| | D | Drafted (The Montreal Canadiens drafted D Rasmus Bergqvist.) |
| | C | Became Unrestricted Free Agent (F Mitchell Stephens elected free agency.) |
| | C | Drafted (The Montreal Canadiens drafted C Aatos Koivu) |
| | RW | Drafted (The Montreal Canadiens drafted F Makar Khanin.) |
| | C | Became Unrestricted Free Agent (F Philippe Maillet elected free agency.) |
| | C | Drafted (The Montreal Canadiens drafted C Logan Sawyer) |
| | D | Became Unrestricted Free Agent (D Brady Keeper elected free agency.) |
| | RW | Drafted (The Montreal Canadiens drafted F Ivan Demidov.) |
| | C | Drafted (The Montreal Canadiens drafted F Michael Hage.) |
| | C | Signed (The Montreal Canadiens signed F Oliver Kapanen to an entry-level contract.) |
| | C | Signed (The Montreal Canadiens signed F Oliver Kapanen to an entry-level contract.) |
| | G | Signed (The Montreal Canadiens signed G Connor Hughes to a one-year, two-way contract.) |
| | D | Signed (The Montreal Canadiens signed D Cameron Whynot to an entry-level contract.) |