Transactions
| Date | Player | Pos | Transactions |
| 4/29 | Linus Sandin | RW | Signed as Free Agent One-year, entry-level contract |
| 3/27 | Wade Allison | RW | Signed Two-year, entry-level contract |
| 3/23 | Tanner Laczynski | C | Signed Two-year, entry-level contract |
| 3/16 | Connor Bunnaman | C | Sent to minors Lehigh Valley-AHL |
| 3/16 | Mark Friedman | D | Sent to minors Lehigh Valley-AHL |
| 3/11 | Connor Bunnaman | C | Called up from minors from Lehigh Valley-AHL |
| 3/11 | Mark Friedman | D | Called up from minors from Lehigh Valley-AHL |
| 3/10 | Wyatte Wylie | D | Signed Three-year, entry-level contract |
| 3/5 | Joel Farabee | LW | Called up from minors from Lehigh Valley-AHL |
| 3/4 | James van Riemsdyk | LW | Placed on IR Fractured hand - left game |
| 3/1 | Joel Farabee | LW | Sent to minors Lehigh Valley-AHL |
| 2/29 | Joel Farabee | LW | Called up from minors from Lehigh Valley-AHL |
| 2/24 | Joel Farabee | LW | Sent to minors Lehigh Valley-AHL |
| 2/24 | Connor Bunnaman | C | Sent to minors Lehigh Valley-AHL |
| 2/24 | Derek Grant | C | Traded for Kyle Criscuolo, '20 4th-rd pick |
| 2/24 | Nate Thompson | C | Traded for '21 5th-rd pick |
| 2/24 | Nathan Noel | C | Traded for T.J. Brennan |
| 2/23 | Shayne Gostisbehere | D | Called up from minors from Lehigh Valley-AHL |
| 2/22 | Mark Friedman | D | Sent to minors Lehigh Valley-AHL |
| 2/20 | Shayne Gostisbehere | D | Sent to minors Lehigh Valley-AHL for conditioning stint |
| 2/19 | Mark Friedman | D | Called up from minors from Lehigh Valley-AHL |
| 2/15 | Mark Friedman | D | Called up from minors from Lehigh Valley-AHL |
| 2/15 | Mark Friedman | D | Sent to minors Lehigh Valley-AHL |
| 2/14 | Morgan Frost | C | Sent to minors Lehigh Valley-AHL |
| 2/10 | Alex Lyon | G | Sent to minors Lehigh Valley-AHL |
| 2/7 | Morgan Frost | C | Called up from minors from Lehigh Valley-AHL |
| 2/7 | Andy Andreoff | LW | Sent to minors Lehigh Valley-AHL |
| 2/6 | Andy Andreoff | LW | Called up from minors from Lehigh Valley-AHL |
| 1/30 | Alex Lyon | G | Called up from minors from Lehigh Valley-AHL |
| 1/30 | Connor Bunnaman | C | Called up from minors from Lehigh Valley-AHL |
| 1/22 | Connor Bunnaman | C | Sent to minors Lehigh Valley-AHL |
| 1/22 | German Rubtsov | C | Sent to minors Lehigh Valley-AHL |
| 1/22 | Alex Lyon | G | Sent to minors Lehigh Valley-AHL |
| 1/20 | German Rubtsov | C | Called up from minors from Lehigh Valley-AHL |
| 1/18 | Mark Friedman | D | Sent to minors Lehigh Valley-AHL |
| 1/16 | Joel Farabee | LW | Called up from minors from Lehigh Valley-AHL |
| 1/16 | Chris Stewart | RW | Sent to minors Lehigh Valley-AHL |
| 1/15 | Alex Lyon | G | Called up from minors from Lehigh Valley-AHL |
| 1/15 | Joel Farabee | LW | Sent to minors Lehigh Valley-AHL |
| 1/15 | Chris Stewart | RW | Waived |
| 1/12 | Connor Bunnaman | C | Called up from minors from Lehigh Valley-AHL |
| 1/12 | David Kase | LW | Sent to minors Lehigh Valley-AHL |
| 1/9 | David Kase | LW | Called up from minors from Lehigh Valley-AHL |
| 1/9 | Mikhail Vorobyev | C | Sent to minors Lehigh Valley-AHL |
| 1/8 | Mark Friedman | D | Called up from minors from Lehigh Valley-AHL |
| 1/8 | Andy Andreoff | LW | Sent to minors Lehigh Valley-AHL |
| 12/29 | Morgan Frost | C | Sent to minors Lehigh Valley-AHL |
| 12/28 | Andy Andreoff | LW | Waived |
| 12/22 | Joel Farabee | RW | Suspension Over |
| 12/20 | David Kase | RW | Sent to minors Lehigh Valley-AHL |
| 12/17 | Andy Andreoff | LW | Called up from minors from Lehigh Valley-AHL |
| 12/17 | Carsen Twarynski | LW | Sent to minors Lehigh Valley-AHL |
| 12/16 | Joel Farabee | RW | Suspended Three games for interference |
| 12/15 | Carsen Twarynski | LW | Called up from minors from Lehigh Valley-AHL |
| 12/15 | Nicolas Aube-Kubel | RW | Called up from minors from Lehigh Valley-AHL |
| 12/14 | Scott Laughton | LW | Placed on IR Groin - left game |
| 12/11 | David Kase | RW | Called up from minors from Lehigh Valley-AHL |
| 12/11 | Oskar Lindblom | LW | Placed on IR Illness |
| 12/7 | Travis Konecny | RW | Placed on IR Concussion - left game |
| 12/4 | Mikhail Vorobyev | C | Called up from minors from Lehigh Valley-AHL |
| 12/3 | Michael Raffl | LW | Placed on IR Fractured finger - left game |
| 11/22 | Andy Andreoff | LW | Sent to minors Lehigh Valley-AHL |
| 11/18 | Morgan Frost | C | Called up from minors from Lehigh Valley-AHL |
| 11/18 | Carsen Twarynski | LW | Sent to minors Lehigh Valley-AHL |
| 11/8 | Samuel Morin | D | Called up from minors from Lehigh Valley-AHL |
| 11/8 | Andy Andreoff | LW | Called up from minors from Lehigh Valley-AHL |
| 11/8 | Mikhail Vorobyev | C | Sent to minors Lehigh Valley-AHL |
| 11/7 | Samuel Morin | D | Placed on IR Torn right ACL |
| 11/6 | Mikhail Vorobyev | C | Called up from minors from Lehigh Valley-AHL |
| 11/6 | German Rubtsov | C | Sent to minors Lehigh Valley-AHL |
| 10/31 | German Rubtsov | C | Called up from minors from Lehigh Valley-AHL |
| 10/31 | Philippe Myers | D | Called up from minors from Lehigh Valley-AHL |
| 10/31 | Carsen Twarynski | LW | Called up from minors from Lehigh Valley-AHL |
| 10/31 | Samuel Morin | D | Sent to minors Lehigh Valley-AHL for conditioning stint |
| 10/31 | Mikhail Vorobyev | C | Sent to minors Lehigh Valley-AHL |
| 10/27 | Scott Laughton | LW | Placed on IR Fractured finger |
| 10/20 | Joel Farabee | LW | Called up from minors from Lehigh Valley-AHL |
| 10/20 | Mikhail Vorobyev | C | Called up from minors from Lehigh Valley-AHL |
| 10/20 | Carsen Twarynski | LW | Sent to minors Lehigh Valley-AHL |
| 10/18 | Connor Bunnaman | C | Sent to minors Lehigh Valley-AHL |
| 10/15 | Andy Welinski | D | Sent to minors Lehigh Valley-AHL |
| 10/15 | Chris Stewart | RW | Signed as Free Agent One-year contract |
| 10/14 | Andy Welinski | D | Waived |
| 10/1 | Joel Farabee | LW | Sent to minors Lehigh Valley-AHL |
| 10/1 | Philippe Myers | D | Sent to minors Lehigh Valley-AHL |
| 10/1 | Andy Welinski | D | Placed on IR Undisclosed injury |
| 9/30 | Roddy Ross | G | Assigned to Junior Club Seattle-WHL |
| 9/26 | Morgan Frost | C | Sent to minors Lehigh Valley-AHL |
| 9/25 | Nicolas Aube-Kubel | RW | Sent to minors Lehigh Valley-AHL |
| 9/25 | Andy Andreoff | LW | Sent to minors Lehigh Valley-AHL |
| 9/25 | Kurtis Gabriel | RW | Sent to minors Lehigh Valley-AHL |
| 9/25 | Chris Bigras | D | Sent to minors Lehigh Valley-AHL |
| 9/24 | Mikhail Vorobyev | C | Sent to minors Lehigh Valley-AHL |
| 9/24 | German Rubtsov | C | Sent to minors Lehigh Valley-AHL |
| 9/24 | Mark Friedman | D | Sent to minors Lehigh Valley-AHL |
| 9/24 | Andy Andreoff | LW | Waived |
| 9/24 | Chris Bigras | D | Waived |
| 9/24 | Nicolas Aube-Kubel | RW | Waived |
| 9/24 | Kurtis Gabriel | RW | Waived |
| 9/23 | J-F Berube | G | Sent to minors Lehigh Valley-AHL |
| 9/22 | Alex Lyon | G | Sent to minors Lehigh Valley-AHL |
| 9/22 | J-F Berube | G | Waived |
| 9/21 | Nate Prosser | D | Sent to minors Lehigh Valley-AHL |
| 9/21 | Tyler Wotherspoon | D | Sent to minors Lehigh Valley-AHL |
| 9/21 | Kyle Criscuolo | C | Sent to minors Lehigh Valley-AHL |
| 9/21 | T.J. Brennan | D | Sent to minors Lehigh Valley-AHL |
| 9/21 | Reece Willcox | D | Sent to minors Lehigh Valley-AHL |
| 9/21 | Alex Lyon | G | Waived |
| 9/20 | Josh Couturier | D | Sent to minors Lehigh Valley-AHL |
| 9/20 | Rob Michel | D | Sent to minors Lehigh Valley-AHL |
| 9/20 | Matthew Strome | LW | Sent to minors Lehigh Valley-AHL |
| 9/20 | Isaac Ratcliffe | C | Sent to minors Lehigh Valley-AHL |
| 9/20 | Pascal Laberge | C | Sent to minors Lehigh Valley-AHL |
| 9/20 | Felix Sandstrom | G | Sent to minors Lehigh Valley-AHL |
| 9/20 | David Kase | RW | Sent to minors Lehigh Valley-AHL |
| 9/20 | Greg Carey | C | Sent to minors Lehigh Valley-AHL |
| 9/20 | Maksim Sushko | RW | Sent to minors Lehigh Valley-AHL |
| 9/20 | Kirill Ustimenko | G | Sent to minors Lehigh Valley-AHL |
| 9/20 | Gerry Fitzgerald | C | Sent to minors Lehigh Valley-AHL |
| 9/20 | David Drake | D | Sent to minors Lehigh Valley-AHL |
| 9/20 | Cal O'Reilly | C | Sent to minors Lehigh Valley-AHL |
| 9/20 | Rob Michel | D | Signed as Free Agent Minors contract - Lehigh Valley-AHL |
| 9/20 | Kyle Criscuolo | C | Waived |
| 9/20 | T.J. Brennan | D | Waived |
| 9/20 | Nate Prosser | D | Waived |
| 9/20 | Tyler Wotherspoon | D | Waived |
| 9/20 | Reece Willcox | D | Waived |
| 9/18 | Yegor Zamula | D | Assigned to Junior Club Calgary-WHL |
| 9/18 | Mason Millman | D | Assigned to Junior Club Saginaw-OHL |
| 9/18 | Wyatte Wylie | D | Assigned to Junior Club Everett-WHL |
| 9/18 | Egor Serdyuk | RW | Assigned to Junior Club Victoriaville-QMJHL |
| 9/18 | Sean Comrie | D | Released |
| 9/18 | Ben McCartney | LW | Released |
| 9/18 | Maxim Golod | LW | Released |
| 9/18 | Mike Cyr | C | Released |
| 9/16 | Travis Konecny | RW | Re-Signed Six-year contract |
| 9/13 | Nolan Patrick | C | Placed on IR Migraine disorder |
| 9/13 | Tyler Pitlick | RW | Placed on IR Left wrist tear |
| 9/12 | Ivan Provorov | D | Re-Signed Six-year contract |
| 9/11 | David Drake | D | Invited to Training Camp |
| 9/11 | David Drake | D | Signed as Free Agent Minors contract - Lehigh Valley-AHL |
| 9/10 | Rob Michel | D | Invited to Training Camp |
| 9/10 | Greg Carey | C | Invited to Training Camp |
| 9/10 | Josh Couturier | D | Invited to Training Camp |
| 9/10 | Mike Cyr | C | Invited to Training Camp |
| 9/10 | Gerry Fitzgerald | C | Invited to Training Camp |
| 9/10 | Maxim Golod | LW | Invited to Training Camp |
| 9/10 | Ben McCartney | LW | Invited to Training Camp |
| 9/10 | Sean Comrie | D | Invited to Training Camp |
| 8/27 | Mike McKenna | G | Retired |
| 8/22 | Judd Peterson | C | Signed as Free Agent Minors contract - Reading-ECHL |
| 8/16 | Trevor Yates | C | Signed as Free Agent Minors contract - Reading-ECHL |
| 7/17 | Chris Stewart | RW | Invited to Training Camp |
| 7/16 | Nicolas Aube-Kubel | RW | Re-Signed One-year, two-way contract |
| 7/12 | Scott Laughton | C | Re-Signed Two-year contract |
| 7/2 | Gerry Fitzgerald | C | Signed as Free Agent Minors contract - Lehigh Valley-AHL |
| 7/2 | James De Haas | D | Signed as Free Agent Minors contract - Lehigh Valley-AHL |
| 7/2 | Eric Knodel | D | Signed as Free Agent Minors contract - Lehigh Valley-AHL |
| 7/1 | Jacob Graves | D | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Michal Neuvirth | G | Became Unrestricted Free Agent |
| 7/1 | Mike McKenna | G | Became Unrestricted Free Agent |
| 7/1 | Roman Lyubimov | LW | Became Unrestricted Free Agent |
| 7/1 | Jori Lehtera | LW | Became Unrestricted Free Agent |
| 7/1 | Corban Knight | C | Became Unrestricted Free Agent |
| 7/1 | Byron Froese | C | Became Unrestricted Free Agent |
| 7/1 | Greg Carey | C | Became Unrestricted Free Agent |
| 7/1 | Phil Varone | LW | Became Unrestricted Free Agent |
| 7/1 | Mike Vecchione | C | Became Unrestricted Free Agent |
| 7/1 | Justin Bailey | RW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Cam Talbot | G | Became Unrestricted Free Agent |
| 7/1 | Cole Bardreau | C | Became Unrestricted Free Agent |
| 7/1 | Tyrell Goulbourne | LW | Became Unrestricted Free Agent |
| 7/1 | Nick Luukko | D | Retired |
| 7/1 | Chris Bigras | D | Signed as Free Agent Two-year contract |
| 7/1 | Kurtis Gabriel | RW | Signed as Free Agent One-year contract |
| 7/1 | Andy Welinski | D | Signed as Free Agent One-year contract |
| 7/1 | J-F Berube | G | Signed as Free Agent One-year contract |
| 7/1 | Cal O'Reilly | C | Signed as Free Agent Minors contract - Lehigh Valley-AHL |
| 7/1 | Andy Andreoff | LW | Signed as Free Agent Two-year contract |
| 7/1 | Nate Prosser | D | Signed as Free Agent Two-year contract |
| 7/1 | Kyle Criscuolo | C | Signed as Free Agent One-year contract |
| 7/1 | Tyler Wotherspoon | D | Signed as Free Agent Two-year contract |
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