Transactions
| Date | Player | Pos | Transactions |
| 4/12 | Mike Hardman | RW | Called up from minors from taxi squad |
| 4/12 | Brett Connolly | RW | Called up from minors from taxi squad |
| 4/12 | Riley Stillman | D | Called up from minors from taxi squad |
| 4/12 | Josh Dickinson | C | Traded w/ Ryder Rolston for Carl Soderberg |
| 4/12 | Adam Gaudette | RW | Traded for Matthew Highmore |
| 4/12 | Ryder Rolston | RW | Traded w/ Josh Dickinson for Carl Soderberg |
| 4/9 | Brandon Pirri | LW | Designated for assignment Taxi squad |
| 4/9 | Alec Regula | D | Sent to minors Rockford-AHL |
| 4/8 | Brett Connolly | RW | Traded part of five-player deal |
| 4/8 | Henrik Borgstrom | C | Traded part of five-player deal |
| 4/8 | Riley Stillman | D | Traded part of five-player deal |
| 4/7 | Alec Regula | D | Designated for assignment Taxi squad |
| 4/7 | Ian Mitchell | D | Sent to minors Rockford-AHL |
| 4/7 | Nicolas Beaudin | D | Sent to minors Rockford-AHL |
| 4/7 | Lucas Carlsson | D | Sent to minors Rockford-AHL |
| 4/6 | Lucas Wallmark | C | Designated for assignment Taxi squad |
| 4/6 | MacKenzie Entwistle | RW | Sent to minors Rockford-AHL |
| 4/6 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 4/4 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 4/4 | MacKenzie Entwistle | RW | Designated for assignment Taxi squad |
| 4/4 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 4/4 | Ian Mitchell | D | Designated for assignment Taxi squad |
| 4/4 | Nicolas Beaudin | D | Designated for assignment Taxi squad |
| 4/4 | Brandon Pirri | LW | Sent to minors Rockford-AHL |
| 4/4 | Mikael Hakkarainen | C | Sent to minors Rockford-AHL |
| 4/4 | Alec Regula | D | Sent to minors Rockford-AHL |
| 4/3 | Philipp Kurashev | LW | Called up from minors from taxi squad |
| 4/3 | Vinnie Hinostroza | RW | Placed on IR COVID-19 protocol |
| 4/2 | Mikael Hakkarainen | C | Designated for assignment Taxi squad |
| 4/2 | Brandon Pirri | LW | Designated for assignment Taxi squad |
| 4/2 | Alec Regula | D | Designated for assignment Taxi squad |
| 4/2 | Philipp Kurashev | LW | Designated for assignment Taxi squad |
| 4/2 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 4/2 | MacKenzie Entwistle | RW | Sent to minors Rockford-AHL |
| 4/2 | Lucas Carlsson | D | Sent to minors Rockford-AHL |
| 4/2 | Nicolas Beaudin | D | Sent to minors Rockford-AHL |
| 4/2 | Ian Mitchell | D | Sent to minors Rockford-AHL |
| 4/2 | Vinnie Hinostroza | RW | Traded for Brad Morrison |
| 3/31 | Isaak Phillips | D | Signed Three-year, entry-level contract |
| 3/30 | Wyatt Kalynuk | D | Called up from minors from taxi squad |
| 3/30 | Mike Hardman | RW | Designated for assignment Taxi squad |
| 3/30 | Nicolas Beaudin | D | Designated for assignment Taxi squad |
| 3/30 | Mike Hardman | RW | Signed as Free Agent Two-year, entry-level contract |
| 3/29 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 3/29 | Ian Mitchell | D | Designated for assignment Taxi squad |
| 3/29 | MacKenzie Entwistle | RW | Designated for assignment Taxi squad |
| 3/29 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 3/29 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 3/29 | Brandon Pirri | LW | Sent to minors Rockford-AHL |
| 3/29 | Mikael Hakkarainen | C | Sent to minors Rockford-AHL |
| 3/29 | Alec Regula | D | Sent to minors Rockford-AHL |
| 3/27 | Nicolas Beaudin | D | Called up from minors from taxi squad |
| 3/27 | Brandon Pirri | LW | Designated for assignment Taxi squad |
| 3/27 | Mikael Hakkarainen | C | Designated for assignment Taxi squad |
| 3/27 | Alec Regula | D | Designated for assignment Taxi squad |
| 3/27 | Wyatt Kalynuk | D | Sent to minors Rockford-AHL |
| 3/27 | Ian Mitchell | D | Sent to minors Rockford-AHL |
| 3/27 | Lucas Carlsson | D | Sent to minors Rockford-AHL |
| 3/27 | MacKenzie Entwistle | RW | Sent to minors Rockford-AHL |
| 3/27 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 3/25 | Wyatt Kalynuk | D | Called up from minors from taxi squad |
| 3/25 | MacKenzie Entwistle | RW | Designated for assignment Taxi squad |
| 3/23 | MacKenzie Entwistle | RW | Called up from minors from taxi squad |
| 3/23 | Nicolas Beaudin | D | Designated for assignment Taxi squad |
| 3/23 | Madison Bowey | D | Designated for assignment Taxi squad |
| 3/23 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 3/23 | MacKenzie Entwistle | RW | Designated for assignment Taxi squad |
| 3/23 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 3/23 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 3/23 | John Quenneville | RW | Sent to minors Rockford-AHL |
| 3/23 | Brandon Pirri | LW | Sent to minors Rockford-AHL |
| 3/23 | Mikael Hakkarainen | C | Sent to minors Rockford-AHL |
| 3/23 | Alec Regula | D | Sent to minors Rockford-AHL |
| 3/21 | Mikael Hakkarainen | C | Designated for assignment Taxi squad |
| 3/21 | Brandon Pirri | LW | Designated for assignment Taxi squad |
| 3/21 | John Quenneville | RW | Designated for assignment Taxi squad |
| 3/21 | Alec Regula | D | Designated for assignment Taxi squad |
| 3/21 | Lucas Carlsson | D | Sent to minors Rockford-AHL |
| 3/21 | Madison Bowey | D | Sent to minors Rockford-AHL |
| 3/21 | Nicolas Beaudin | D | Sent to minors Rockford-AHL |
| 3/21 | Wyatt Kalynuk | D | Sent to minors Rockford-AHL |
| 3/21 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 3/20 | Reese Johnson | RW | Called up from minors from taxi squad |
| 3/20 | Nicolas Beaudin | D | Designated for assignment Taxi squad |
| 3/18 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 3/18 | Brandon Pirri | LW | Sent to minors Rockford-AHL |
| 3/16 | Josiah Slavin | LW | Signed Two-year, entry-level contract |
| 3/13 | Ian Mitchell | D | Called up from minors from taxi squad |
| 3/13 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 3/9 | Lucas Carlsson | D | Called up from minors from taxi squad |
| 3/9 | Nicolas Beaudin | D | Called up from minors from taxi squad |
| 3/9 | Reese Johnson | RW | Called up from minors from taxi squad |
| 3/9 | Ian Mitchell | D | Designated for assignment Taxi squad |
| 3/8 | Collin Delia | G | Called up from minors from Rockford-AHL |
| 3/8 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 3/8 | Nicolas Beaudin | D | Designated for assignment Taxi squad |
| 3/8 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 3/8 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 3/8 | Tim Soderlund | C | Sent to minors Rockford-AHL |
| 3/8 | Matt Tomkins | G | Sent to minors Rockford-AHL |
| 3/7 | Wyatt Kalynuk | D | Called up from minors from Rockford-AHL |
| 3/7 | Lucas Carlsson | D | Called up from minors from Rockford-AHL |
| 3/7 | Tim Soderlund | C | Designated for assignment Taxi squad |
| 3/7 | Brandon Pirri | LW | Designated for assignment Taxi squad |
| 3/7 | Brad Morrison | C | Sent to minors Rockford-AHL |
| 3/7 | Mikael Hakkarainen | C | Sent to minors Rockford-AHL |
| 3/6 | Madison Bowey | D | Designated for assignment Taxi squad |
| 3/6 | Michal Teply | LW | Sent to minors Rockford-AHL |
| 3/5 | Madison Bowey | D | Called up from minors from taxi squad |
| 3/5 | Michal Teply | LW | Designated for assignment Taxi squad |
| 3/5 | Madison Bowey | D | Designated for assignment Taxi squad |
| 3/5 | Brent Seabrook | D | Retired |
| 3/5 | Michal Teply | LW | Sent to minors Rockford-AHL |
| 3/4 | Madison Bowey | D | Called up from minors from taxi squad |
| 3/4 | Michal Teply | LW | Designated for assignment Taxi squad |
| 3/3 | Lucas Carlsson | D | Sent to minors Rockford-AHL |
| 3/3 | Brandon Pirri | LW | Sent to minors Rockford-AHL |
| 3/1 | Madison Bowey | D | Designated for assignment Taxi squad |
| 2/27 | Madison Bowey | D | Called up from minors from taxi squad |
| 2/26 | Matt Tomkins | G | Designated for assignment Taxi squad |
| 2/26 | Brad Morrison | C | Designated for assignment Taxi squad |
| 2/26 | Mikael Hakkarainen | C | Designated for assignment Taxi squad |
| 2/26 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 2/26 | Wyatt Kalynuk | D | Sent to minors Rockford-AHL |
| 2/26 | Collin Delia | G | Sent to minors Rockford-AHL for conditioning stint |
| 2/26 | Nicolas Beaudin | D | Sent to minors Rockford-AHL |
| 2/22 | Dylan Strome | C | Placed on IR Concussion |
| 2/21 | Lucas Carlsson | D | Placed on IR Strained groin |
| 2/16 | Adam Boqvist | D | Called up from minors from taxi squad |
| 2/16 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 2/16 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 2/16 | Mikael Hakkarainen | C | Sent to minors Rockford-AHL |
| 2/15 | Reese Johnson | RW | Called up from minors from taxi squad |
| 2/15 | Wyatt Kalynuk | D | Called up from minors from taxi squad |
| 2/15 | Adam Boqvist | D | Designated for assignment Taxi squad |
| 2/15 | Mikael Hakkarainen | C | Designated for assignment Taxi squad |
| 2/14 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 2/14 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 2/14 | Mikael Hakkarainen | C | Sent to minors Rockford-AHL |
| 2/14 | MacKenzie Entwistle | RW | Sent to minors Rockford-AHL |
| 2/13 | Wyatt Kalynuk | D | Called up from minors from taxi squad |
| 2/13 | Mikael Hakkarainen | C | Designated for assignment Taxi squad |
| 2/12 | Madison Bowey | D | Designated for assignment Taxi squad |
| 2/12 | Evan Barratt | C | Sent to minors Rockford-AHL |
| 2/11 | Reese Johnson | RW | Called up from minors from taxi squad |
| 2/11 | Evan Barratt | C | Designated for assignment Taxi squad |
| 2/11 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 2/11 | Anton Lindholm | D | Sent to minors Rockford-AHL |
| 2/11 | Andrew Shaw | C | Placed on IR Concussion |
| 2/9 | Madison Bowey | D | Called up from minors from taxi squad |
| 2/9 | Connor Murphy | D | Placed on IR Right hip |
| 2/3 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 2/3 | Madison Bowey | D | Designated for assignment Taxi squad |
| 2/3 | Wyatt Kalynuk | D | Sent to minors Rockford-AHL |
| 2/3 | Michal Teply | LW | Sent to minors Rockford-AHL |
| 1/31 | Reese Johnson | RW | Called up from minors from taxi squad |
| 1/30 | Ryan Carpenter | RW | Placed on IR COVID-19 protocol |
| 1/29 | Michal Teply | LW | Designated for assignment Taxi squad |
| 1/29 | Anton Lindholm | D | Designated for assignment Taxi squad |
| 1/29 | Madison Bowey | D | Sent to minors Rockford-AHL |
| 1/28 | Madison Bowey | D | Signed as Free Agent Two-year, two-way contract |
| 1/28 | Madison Bowey | D | Waived |
| 1/27 | Nicolas Beaudin | D | Called up from minors from taxi squad |
| 1/27 | Lucas Wallmark | C | Placed on IR COVID-19 protocol |
| 1/26 | Lucas Carlsson | D | Called up from minors from taxi squad |
| 1/25 | Alex DeBrincat | LW | Placed on IR COVID-19 protocol |
| 1/22 | Brandon Hagel | LW | Called up from minors from taxi squad |
| 1/22 | Brandon Pirri | LW | Designated for assignment Taxi squad |
| 1/21 | Reese Johnson | RW | Designated for assignment Taxi squad |
| 1/21 | Brandon Hagel | LW | Designated for assignment Taxi squad |
| 1/21 | Brandon Pirri | LW | Waived |
| 1/19 | Brandon Hagel | LW | Called up from minors from taxi squad |
| 1/19 | Kevin Lankinen | G | Called up from minors from taxi squad |
| 1/19 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 1/19 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 1/17 | Nick Seeler | D | Released |
| 1/16 | Nick Seeler | D | Waived For purpose of contract termination |
| 1/15 | Wyatt Kalynuk | D | Called up from minors from taxi squad |
| 1/15 | Lucas Carlsson | D | Called up from minors from taxi squad |
| 1/15 | Philipp Kurashev | C | Called up from minors from taxi squad |
| 1/14 | MacKenzie Entwistle | RW | Designated for assignment Taxi squad |
| 1/13 | Cale Morris | G | Released |
| 1/12 | Wyatt Kalynuk | D | Designated for assignment Taxi squad |
| 1/12 | Brandon Hagel | LW | Designated for assignment Taxi squad |
| 1/12 | Philipp Kurashev | C | Designated for assignment Taxi squad |
| 1/12 | Nicolas Beaudin | D | Designated for assignment Taxi squad |
| 1/12 | Lucas Carlsson | D | Designated for assignment Taxi squad |
| 1/12 | Kevin Lankinen | G | Designated for assignment Taxi squad |
| 1/12 | Anton Lindholm | D | Sent to minors Rockford-AHL |
| 1/12 | Nick Seeler | D | Sent to minors Rockford-AHL |
| 1/12 | Matt Tomkins | G | Sent to minors Rockford-AHL |
| 1/12 | John Quenneville | RW | Sent to minors Rockford-AHL |
| 1/12 | Zack Smith | C | Placed on IR Back |
| 1/11 | Michal Teply | LW | Sent to minors Rockford-AHL |
| 1/11 | Chad Krys | D | Sent to minors Rockford-AHL |
| 1/11 | Alec Regula | D | Sent to minors Rockford-AHL |
| 1/11 | Matej Chalupa | RW | Sent to minors Rockford-AHL |
| 1/11 | MacKenzie Entwistle | RW | Sent to minors Rockford-AHL |
| 1/11 | Andrei Altybarmakyan | RW | Sent to minors Rockford-AHL |
| 1/11 | Tim Soderlund | C | Sent to minors Rockford-AHL |
| 1/11 | Cam Morrison | LW | Sent to minors Rockford-AHL |
| 1/11 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 1/11 | Evan Barratt | C | Sent to minors Rockford-AHL |
| 1/11 | Nick Seeler | D | Waived |
| 1/11 | John Quenneville | RW | Waived |
| 1/11 | Anton Lindholm | D | Waived |
| 1/11 | Matt Tomkins | G | Waived |
| 1/5 | Zack Smith | C | Waived |
| 1/3 | Cale Morris | G | Invited to Training Camp |
| 1/3 | Dylan Strome | C | Re-Signed Two-year contract |
| 1/3 | Jonathan Toews | C | Placed on IR Illness |
| 1/3 | Kirby Dach | C | Placed on IR Wrist |
| 1/3 | Alex Nylander | LW | Placed on IR Torn meniscus |
| 1/3 | Carl Soderberg | C | Placed on IR COVID-19 protocol |
| 1/3 | Brent Seabrook | D | Placed on IR Shoulder, hips |
| 12/26 | Carl Soderberg | LW | Signed as Free Agent One-year contract |
| 11/2 | Pius Suter | C | Assigned to European Team ZSC Lions-Switzerland |
| 10/12 | Lucas Wallmark | C | Signed as Free Agent One-year contract |
| 10/12 | Mattias Janmark | LW | Signed as Free Agent One-year contract |
| 10/10 | Nikita Zadorov | D | Traded w/ A. Lindholm for Saad, Gilbert |
| 10/10 | Anton Lindholm | D | Traded w/ Zadorov for Saad, Gilbert |
| 10/9 | Anton Wedin | LW | Became Unrestricted Free Agent |
| 10/9 | Jacob Nilsson | C | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Malcolm Subban | G | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | T.J. Brennan | D | Became Unrestricted Free Agent |
| 10/9 | Joseph Cramarossa | C | Became Unrestricted Free Agent |
| 10/9 | Corey Crawford | G | Became Unrestricted Free Agent |
| 10/9 | Joni Tuulola | D | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Drake Caggiula | RW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Alexandre Fortin | LW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Slater Koekkoek | D | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Ian McCoshen | D | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Dominik Kubalik | LW | Re-Signed Two-year contract |
| 10/9 | Malcolm Subban | G | Signed as Free Agent Two-year contract |
| 10/4 | Brad Morrison | C | Traded for Olli Maatta |
| 9/30 | Brandon Hagel | LW | Assigned to European Team HC Thurgau-Switzerland |
| 9/28 | Brandon Pirri | LW | Traded for Dylan Sikura |
| 9/8 | Pius Suter | C | Assigned to European Team GCK Lions-Switzerland |
| 9/5 | Philipp Kurashev | C | Assigned to European Team HC Lugano-Switzerland |
| 9/5 | Michal Teply | LW | Assigned to European Team BK Mlada Boleslav-Czech Republic |
| 9/1 | Tim Soderlund | C | Assigned to European Team Almtuna IS-Sweden |
| 9/1 | Joni Tuulola | D | Signed with European team KooKoo-Finland |
| 8/19 | Brent Seabrook | D | Returned from Leave of Absence |
| 8/18 | Cam Morrison | LW | Signed as Free Agent Two-year, entry-level contract |
| 8/15 | Matej Chalupa | RW | Assigned to European Team Mountfield HK-Czech Republic |
| 8/4 | Drake Caggiula | RW | Suspension Over |
| 8/2 | Drake Caggiula | RW | Suspended One game by NHL for illegal check |
| 7/26 | Chad Krys | D | Sent to minors Rockford-AHL |
| 7/26 | Matt Tomkins | G | Sent to minors Rockford-AHL |
| 7/26 | Reese Johnson | RW | Sent to minors Rockford-AHL |
| 7/24 | Brent Seabrook | D | Granted Leave of Absence Opted out of 2020 playoffs |
| 7/16 | Pius Suter | C | Signed as Free Agent One-year, entry-level contract |
| 7/16 | Wyatt Kalynuk | D | Signed as Free Agent Two-year, entry-level contract |
| 7/13 | Reese Johnson | RW | Called up from minors from Rockford-AHL |
| 7/13 | Collin Delia | G | Called up from minors from Rockford-AHL |
| 7/13 | Alec Regula | D | Called up from minors from London-OHL |
| 7/13 | Chad Krys | D | Called up from minors from Rockford-AHL |
| 7/13 | Dylan Sikura | LW | Called up from minors from Rockford-AHL |
| 7/13 | Philipp Kurashev | C | Called up from minors from Rockford-AHL |
| 7/13 | John Quenneville | RW | Called up from minors from Rockford-AHL |
| 7/13 | Matt Tomkins | G | Called up from minors from Rockford-AHL |
| 7/13 | Kevin Lankinen | G | Called up from minors from Rockford-AHL |
| 7/13 | MacKenzie Entwistle | RW | Called up from minors from Rockford-AHL |
| 7/13 | Dennis Gilbert | D | Placed on IR Wrist |
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