Transactions
| Date | Player | Pos | Transactions |
| 1/12 | Anthony Bitetto | D | Designated for assignment Taxi squad |
| 1/12 | Morgan Barron | C | Designated for assignment Taxi squad |
| 1/12 | Colin Blackwell | RW | Designated for assignment Taxi squad |
| 1/12 | Libor Hajek | D | Designated for assignment Taxi squad |
| 1/12 | Keith Kinkaid | G | Designated for assignment Taxi squad |
| 1/12 | Matthew Robertson | D | Designated for assignment Taxi squad |
| 1/12 | Tim Gettinger | LW | Sent to minors Hartford-AHL |
| 1/12 | Adam Huska | G | Sent to minors Hartford-AHL |
| 1/12 | Patrick Khodorenko | C | Sent to minors Hartford-AHL |
| 1/12 | Darren Raddysh | D | Sent to minors Hartford-AHL |
| 1/12 | Tarmo Reunanen | D | Sent to minors Hartford-AHL |
| 1/12 | Anthony Greco | RW | Sent to minors Hartford-AHL |
| 1/12 | Tyler Wall | G | Sent to minors Hartford-AHL |
| 1/12 | Jonny Brodzinski | RW | Sent to minors Hartford-AHL |
| 1/12 | Brandon Crawley | D | Sent to minors Hartford-AHL |
| 1/12 | Gabriel Fontaine | C | Sent to minors Hartford-AHL |
| 1/12 | Austin Rueschhoff | RW | Sent to minors Hartford-AHL |
| 1/11 | Keith Kinkaid | G | Waived |
| 1/11 | Anthony Greco | RW | Waived |
| 1/11 | Gabriel Fontaine | C | Waived |
| 1/11 | Anthony Bitetto | D | Waived |
| 1/11 | Jonny Brodzinski | RW | Waived |
| 1/11 | Colin Blackwell | RW | Waived |
| 1/11 | Brandon Crawley | D | Waived |
| 1/3 | Justin Richards | C | Placed on IR COVID-19 protocol |
| 11/6 | Brendan Lemieux | LW | Re-Signed Three-year contract |
| 11/5 | Ryan Strome | C | Re-Signed Two-year contract |
| 10/16 | Gabriel Fontaine | C | Re-Signed One-year, two-way contract |
| 10/16 | Tony DeAngelo | D | Re-Signed Two-year contract |
| 10/16 | Darren Raddysh | D | Signed as Free Agent One-year, two-way contract |
| 10/15 | Alexandar Georgiev | G | Re-Signed Two-year contract |
| 10/13 | Phillip Di Giuseppe | LW | Re-Signed One-year, two-way contract |
| 10/12 | Alexis Lafreniere | LW | Signed Three-year, entry-level contract |
| 10/10 | Paul Thompson | RW | Signed as Free Agent Minors contract - Hartford-AHL |
| 10/9 | Matt Beleskey | LW | Became Unrestricted Free Agent |
| 10/9 | Dawson Leedahl | LW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Jesper Fast | RW | Became Unrestricted Free Agent |
| 10/9 | Steven Fogarty | RW | Became Unrestricted Free Agent |
| 10/9 | Micheal Haley | LW | Became Unrestricted Free Agent |
| 10/9 | Niklas Jensen | RW | Became Unrestricted Free Agent |
| 10/9 | Greg McKegg | C | Became Unrestricted Free Agent |
| 10/9 | J-F Berube | G | Became Unrestricted Free Agent |
| 10/9 | Ryan Gropp | LW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 10/9 | Danny O'Regan | C | Became Unrestricted Free Agent |
| 10/9 | Boo Nieves | C | Became Unrestricted Free Agent |
| 10/9 | Vinni Lettieri | RW | Became Unrestricted Free Agent |
| 10/9 | Nick Ebert | D | Became Unrestricted Free Agent |
| 10/9 | Brandon Crawley | D | Re-Signed One-year contract |
| 10/9 | Anthony Bitetto | D | Signed as Free Agent Two-year, two-way contract |
| 10/9 | Kevin Rooney | C | Signed as Free Agent Two-year contract |
| 10/9 | Colin Blackwell | RW | Signed as Free Agent Two-year, two-way contract |
| 10/9 | Keith Kinkaid | G | Signed as Free Agent Two-year contract |
| 10/9 | Jack Johnson | D | Signed as Free Agent One-year contract |
| 10/9 | Anthony Greco | RW | Signed as Free Agent One-year, two-way contract |
| 10/9 | Jonny Brodzinski | RW | Signed as Free Agent One-year contract |
| 9/30 | Henrik Lundqvist | G | Waived For purpose of contract buyout |
| 9/9 | Adam Huska | G | Assigned to European Team HKM Zvolen-Slovakia |
| 9/8 | Libor Hajek | D | Assigned to European Team HC Olomouc-Czech Republic |
| 8/9 | Yegor Rykov | D | Assigned to European Team CSKA Moscow-KHL |
| 8/4 | Brendan Lemieux | LW | Suspension Over |
| 7/31 | Morgan Barron | C | Signed Three-year, entry-level contract |
| 7/26 | Adam Huska | G | Sent to minors Hartford-AHL |
| 7/20 | Brendan Lemieux | LW | Suspended Two games by NHL for interference |
| 7/13 | Vinni Lettieri | RW | Called up from minors from Hartford-AHL |
| 7/13 | Vitali Kravtsov | RW | Called up from minors from Hartford-AHL |
| 7/13 | Tim Gettinger | LW | Called up from minors from Hartford-AHL |
| 7/13 | Adam Huska | G | Called up from minors from Hartford-AHL |
| 7/13 | Brandon Crawley | D | Called up from minors from Hartford-AHL |
| 7/13 | Libor Hajek | D | Called up from minors from Hartford-AHL |
| 7/13 | Darren Raddysh | D | Called up from minors from Hartford-AHL |
| 7/13 | Danny O'Regan | C | Called up from minors from Hartford-AHL |
| 7/13 | Steven Fogarty | RW | Called up from minors from Hartford-AHL |
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