| | D | Sent to minors (The Washington Capitals assigned D Gabriel Carlsson to the minors.) |
| | G | Sent to minors (The Washington Capitals assigned G Zach Fucale to the minors.) |
| | D | Activated (The Washington Capitals activated D John Carlson from injured reserve.) |
| | G | Called up from minors (The Washington Capitals recalled G Zach Fucale from the minors. ) |
| | G | Called up from minors (The Washington Capitals recalled G Zach Fucale from the minors. ) |
| | LW | Sent to minors (The Washington Capitals assigned F Bogdan Trineyev to the minors.) |
| | C | Sent to minors (The Washington Capitals sent F Joe Snively to the minors.) |
| | C | Called up from minors (The Washington Capitals recalled F Joe Snively.) |
| | D | Sent to minors (The Washington Capitals assigned D Vincent Iorio to the minors.) |
| | D | Sent to minors (The Washington Capitals assigned D Dylan McIlrath to the minors.) |
| | D | Called up from minors (The Washington Capitals recalled D Dylan McIlrath.) |
| | C | Called up from minors (The Washington Capitals recalled F Aliaksei Protas.) |
| | D | Sent to minors (The Washington Capitals sent D Dylan McIlrath to the minors.) |
| | C | Loaned to Non-League Team (The Washington Capitals loaned F Aliaksei Protas to a non-league team.) |
| | D | Called up from minors (The Washington Capitals recalled D Vincent Iorio from the minors.) |
| | D | Called up from minors (The Washington Capitals recalled D Gabriel Carlsson from the minors.) |
| | RW | Activated (The Washington Capitals activated F Anthony Mantha from injured reserve.) |
| | C | Traded (The Washington Capitals traded F Lars Eller to the Colorado Avalanche.) To |
| | D | Traded (The Toronto Maple Leafs traded D Rasmus Sandin to the Washington Capitals.) From |
| | D | Traded (The Washington Capitals traded D Erik Gustafsson to the Toronto Maple Leafs.) To |
| | LW | Traded (The Washington Capitals traded F Marcus Johansson to the Minnesota Wild.) To |
| | C | Called up from minors (The Washington Capitals recalled F Aliaksei Protas from the minors.) |
| | D | Traded (The Washington Capitals traded D Dmitry Orlov to the Boston Bruins.) To |
| | LW | Other Transaction (F Alex Ovechkin returned to the team.) |
| | RW | Traded (The Washington Capitals traded F Garnet Hathaway to the Boston Bruins.) To |
| | C | Traded (The Boston Bruins traded F Craig Smith to the Washington Capitals.) From |
| | RW | Placed on Injured Reserve (The Washington Capitals placed F Anthony Mantha on injured reserve.) |
| | C | Activated (The Washington Capitals activated F Nic Dowd from injured reserve.) |
| | C | Sent to minors (The Washington Capitals assigned F Aliaksei Protas to the minors.) |
| | D | Called up from minors (The Washington Capitals recalled D Dylan McIlrath.) |
| | C | Sent to minors (The Washington Capitals assigned F Joe Snively to the minors.) |
| | D | Called up from minors (The Washington Capitals recalled D Dylan McIlrath from the minors.) |
| | D | Called up from minors (Signed) |
| | RW | Placed on Injured Reserve (The Washington Capitals placed F Tom Wilson on injured reserve.) |
| | LW | Not With Team (The Capitals announced that Ovechkin is away from the team.) |
| | C | Called up from minors (The Washington Capitals recalled F Joe Snively.) |
| | C | Called up from minors (The Washington Capitals recalled F Aliaksei Protas from the minors.) |
| | C | Called up from minors (The Washington Capitals recalled F Aliaksei Protas from the minors.) |
| | C | Sent to minors (The Washington Capitals assigned F Aliaksei Protas to the minors.) |
| | C | Placed on Injured Reserve (The Washington Capitals placed F Nic Dowd on injured reserve.) |
| | C | Called up from minors (The Washington Capitals recalled F Aliaksei Protas.) |
| | C | Activated (The Washington Capitals activated F Nicklas Backstrom from injured reserve.) |
| | C | Waived (The Washington Capitals placed F Joe Snively on waivers.) |
| | RW | Activated (The Washington Capitals activated F Tom Wilson from injured reserve.) |
| | C | Sent to minors (The Washington Capitals sent F Aliaksei Protas to the minors.) |
| | D | Loaned to Non-League Team (The Washington Capitals loaned D Lucas Johansen to Hersey.) |
| | LW | Sent to minors (The Washington Capitals assigned F Beck Malenstyn to the minors.) |
| | D | Placed on Injured Reserve (The Washington Capitals placed D John Carlson on injured reserve.) |
| | D | Called up from minors (The Washington Capitals recalled D Lucas Johansen.) |
| | D | Activated (The Washington Capitals activated D Alexander Alexeyev from injured reserve.) |
| | G | Sent to minors (The Washington Capitals assigned G Zach Fucale to the minors.) |
| | G | Activated (The Washington Capitals activated G Darcy Kuemper from injured reserve.) |
| | G | Sent to minors (The Washington Capitals assigned G Hunter Shepard to the minors.) |
| | G | Called up from minors (The Washington Capitals recalled G Zach Fucale from the minors.) |
| | G | Called up from minors (The Washington Capitals recalled G Zach Fucale from the minors.) |
| | D | Sent to minors (The Washington Capitals assigned D Lucas Johansen to the minors.) |
| | D | Called up from minors (The Washington Capitals recalled D Dylan McIlrath.) |
| | D | Sent to minors (The Washington Capitals assigned D Dylan McIlrath to the minors.) |
| | D | Called up from minors (The Washington Capitals recalled D Lucas Johansen.) |
| | G | Placed on Injured Reserve (The Washington Capitals placed G Darcy Kuemper on injured reserve.) |
| | D | Placed on Injured Reserve (The Washington Capitals placed D Alexander Alexeyev on injured reserve.) |
| | D | Activated (The Washington Capitals activated D Dmitry Orlov from injured reserve.) |
| | G | Called up from minors (from Hershey-AHL) |
| | LW | Sent to minors (Hershey-AHL) |
| | RW | Suspension Over (Signed) |
| | RW | Suspended (Three games by NHL for illegal check) |
| | D | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (The Washington Capitals assigned D Lucas Johansen to the minors.) |
| | D | Called up from minors (from Hershey-AHL) |
| | C | Sent to minors (Hershey-AHL) |
| | RW | Claimed off waivers (Signed) |
| | D | Called up from minors (from Hershey-AHL) |
| | C | Called up from minors (from Hershey-AHL) |
| | LW | Called up from minors (from Hershey-AHL) |
| | G | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (Hershey-AHL for conditioning stint) |
| | C | Suspension Over (Signed) |
| | LW | Called up from minors (from Hershey-AHL) |
| | C | Suspended (One game by NHL for high-sticking) |
| | LW | Sent to minors (Hershey-AHL) |
| | LW | Waived (Signed) |
| | LW | Signed as Free Agent (One-year contract) |
| | D | Sent to minors (Hershey-AHL) |
| | C | Sent to minors (Hershey-AHL) |
| | RW | Waived (Signed) |
| | LW | Waived (Signed) |
| | D | Waived (Signed) |
| | C | Waived (Signed) |
| | D | Sent to minors (Hershey-AHL) |
| | G | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (Hershey-AHL) |
| | C | Sent to minors (Hershey-AHL) |
| | LW | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (Hershey-AHL) |
| | C | Sent to minors (Hershey-AHL) |
| | G | Waived (Signed) |
| | D | Waived (Signed) |
| | D | Waived (Signed) |
| | D | Waived (Signed) |
| | C | Waived (Signed) |
| | D | Released (Signed) |
| | LW | Waived (Signed) |
| | C | Sent to minors (Hershey-AHL) |
| | G | Sent to minors (Hershey-AHL) |
| | RW | Sent to minors (Hershey-AHL) |
| | C | Sent to minors (Hershey-AHL) |
| | LW | Released (Signed) |
| | RW | Released (Signed) |
| | D | Released (Signed) |
| | D | Released (Signed) |
| | C | Waived (Signed) |
| | D | Released (Signed) |
| | RW | Waived (Signed) |
| | C | Released (Signed) |
| | RW | Sent to minors (Hershey-AHL) |
| | G | Waived (Signed) |
| | LW | Released (Signed) |
| | G | Sent to minors (Hershey-AHL) |
| | C | Waived (Signed) |
| | LW | Released (Signed) |
| | C | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (Hershey-AHL) |
| | D | Sent to minors (Hershey-AHL) |
| | LW | Released (Signed) |
| | D | Released (Signed) |
| | LW | Released (Signed) |
| | LW | Released (Signed) |
| | LW | Assigned to European Team (BIK Karlskoga-Sweden) |
| | LW | Assigned to Junior Club (Regina-WHL) |
| | RW | Assigned to Junior Club (Everett-WHL) |
| | C | Assigned to Junior Club (Guelph-OHL) |
| | C | Assigned to Junior Club (Gatineau-QMJHL) |
| | D | Assigned to Junior Club (Medicine Hat-WHL) |
| | LW | Invited to Training Camp (Signed) |
| | LW | Invited to Training Camp (Signed) |
| | LW | Invited to Training Camp (Signed) |
| | LW | Invited to Training Camp (Signed) |
| | LW | Invited to Training Camp (Signed) |
| | LW | Invited to Training Camp (Signed) |
| | RW | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | C | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | LW | Assigned to European Team (Dynamo Moscow-KHL) |
| | LW | Signed with European team (Brynas IF-Sweden) |
| | LW | Assigned to European Team (BIK Karlskoga-Sweden) |
| | D | Signed as Free Agent (One-year, two-way contract) |
| | LW | Signed (Three-year, entry-level contract) |
| | LW | Signed (Three-year, entry-level contract) |
| | C | Signed as Free Agent (One-year, two-way contract) |
| | C | Signed as Free Agent (One-year contract) |
| | D | Signed as Free Agent (One-year, two-way contract) |
| | D | Became Unrestricted Free Agent (Signed) |
| | G | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | G | Became Unrestricted Free Agent (Signed) |
| | D | Signed as Free Agent (One-year contract) |
| | RW | Traded (for '24 2nd-rd pick) From |
| | D | Became Unrestricted Free Agent (Signed) |
| | C | Became Unrestricted Free Agent (Signed) |
| | C | Signed as Free Agent (One-year, two-way contract) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | LW | Signed as Free Agent (One-year contract) |
| | G | Signed as Free Agent (Three-year contract) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | D | Became Unrestricted Free Agent (Signed) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | G | Signed as Free Agent (Five-year contract) |
| | G | Traded (w/ '22 2nd for '22 2nd, 3rd) To |
| | D | Contract extended (Two-year contract extension) |