
| Player | Date | P | Comment |
|---|---|---|---|
| 11/1/2026 | D | Waived (The Washington Capitals waived D Dylan McIlrath.) | |
| 11/1/2026 | G | Traded (The New Jersey Devils traded G Remi Poirier to the Washington Capitals.) From New Jersey | |
| 10/28/2026 | G | Activated (The Washington Capitals activated G Logan Thompson.) | |
| 10/28/2026 | G | Sent to minors (The Washington Capitals assigned G Mitchell Gibson to the minors.) | |
| 10/24/2026 | G | Placed on Injured Reserve (The Washington Capitals placed G Logan Thompson on injured reserve.) | |
| 10/24/2026 | LW | Activated (The Washington Capitals activated F Pierre-Luc Dubois from injured reserve.) | |
| 10/24/2026 | D | Claimed (The Washington Capitals claimed D Jack St. Ivany off waivers from the Winnipeg Jets.) From Winnipeg | |
| 10/23/2026 | D | Placed on Injured Reserve (The Washington Capitals placed D Vincent Desharnais on injured reserve.) | |
| 10/23/2026 | G | Called up from minors (The Washington Capitals recalled G Mitchell Gibson from the minors.) | |
| 10/21/2026 | C | Sent to minors (The Washington Capitals assigned F Jonny Brodzinski to the minors.) | |
| 10/20/2026 | D | Activated (The Washington Capitals activated D Matt Roy from injured reserve.) | |
| 10/18/2026 | D | Sent to minors (The Washington Capitals assigned D Justin Holl to the minors.) | |
| 10/17/2026 | C | Called up from minors (The Washington Capitals recalled F Jonny Brodzinski from the minors.) | |
| 10/17/2026 | LW | Placed on Injured Reserve (The Washington Capitals placed F Pierre-Luc Dubois on injured reserve.) | |
| 10/12/2026 | D | Placed on Injured Reserve (The Washington Capitals placed D Matt Roy on injured reserve.) | |
| 10/12/2026 | D | Called up from minors (The Washington Capitals recalled D Justin Holl from the minors.) | |
| 10/12/2026 | D | Placed on Injured Reserve (The Washington Capitals placed D Rasmus Sandin on Long-Term Injured Reserve.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Jacob MacDonald to the minors.) | |
| 9/29/2026 | LW | Sent to minors (The Washington Capitals assigned F Maxim Schafer to the minors.) | |
| 9/29/2026 | C | Sent to minors (The Washington Capitals assigned F Petr Sikora to the minors.) | |
| 9/29/2026 | G | Sent to minors (The Washington Capitals assigned G Andrew Reyelts to the minors.) | |
| 9/29/2026 | C | Sent to minors (The Washington Capitals assigned F Theodor Niederbach to the minors.) | |
| 9/29/2026 | LW | Sent to minors (The Washington Capitals assigned F Eriks Mateiko to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Ryan Chesley to the minors.) | |
| 9/29/2026 | LW | Sent to minors (The Washington Capitals assigned F Lynden Lakovic to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Brian McFadden to the minors.) | |
| 9/29/2026 | C | Sent to minors (The Washington Capitals assigned F Tyus Sparks to the minors.) | |
| 9/29/2026 | RW | Sent to minors (The Washington Capitals assigned F Terik Parascak to the minors.) | |
| 9/29/2026 | C | Sent to minors (The Washington Capitals assigned F Logan Stuart to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D David Gucciardi to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Cameron Allen to the minors.) | |
| 9/29/2026 | LW | Sent to minors (The Washington Capitals assigned F Alexander Suzdalev to the minors.) | |
| 9/29/2026 | G | Sent to minors (The Washington Capitals assigned G Harrison Boettiger to the minors.) | |
| 9/29/2026 | LW | Sent to minors (The Washington Capitals assigned F Andrew Cristall to the minors.) | |
| 9/29/2026 | C | Sent to minors (The Washington Capitals assigned F Boone Jenner to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Leon Muggli to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Zack Bleick to the minors.) | |
| 9/29/2026 | LW | Sent to minors (The Washington Capitals assigned F Tyler Kopff to the minors.) | |
| 9/29/2026 | D | Sent to minors (The Washington Capitals assigned D Justin Holl to the minors.) | |
| 9/28/2026 | D | Placed on Injured Reserve (The Washington Capitals placed D Rasmus Sandin on injured reserve.) | |
| 9/28/2026 | G | Claimed (The Winnipeg Jets claimed G Clay Stevenson off waivers from the Washington Capitals.) To Winnipeg | |
| 9/28/2026 | D | Waived (The Washington Capitals waived D Louie Belpedio.) | |
| 9/28/2026 | G | Waived (The Washington Capitals waived G Clay Stevenson.) | |
| 9/28/2026 | RW | Waived (The Washington Capitals waived F Spencer Smallman.) | |
| 9/28/2026 | G | Sent to minors (The Washington Capitals assigned G Cal Petersen to the minors.) | |
| 9/28/2026 | C | Waived (The Washington Capitals waived F Jonny Brodzinski.) | |
| 9/26/2026 | D | Sent to minors (The Washington Capitals assigned D Justin Holl to the minors.) | |
| 9/26/2026 | LW | Called up from minors (The Washington Capitals recalled F Tyler Kopff from the minors.) | |
| 9/26/2026 | C | Called up from minors (The Washington Capitals recalled F Petr Sikora from the minors.) | |
| 9/26/2026 | D | Called up from minors (The Washington Capitals recalled D Jacob MacDonald from the minors.) | |
| 9/26/2026 | LW | Called up from minors (The Washington Capitals recalled F Alexander Suzdalev from the minors.) | |
| 9/25/2026 | C | Sent to minors (The Washington Capitals assigned F Josh Dunne to the minors.) | |
| 9/25/2026 | D | Sent to minors (The Washington Capitals assigned D Jacob MacDonald to the minors.) | |
| 9/25/2026 | RW | Sent to minors (The Washington Capitals assigned F Bogdan Trineyev to the minors.) | |
| 9/25/2026 | G | Sent to minors (The Washington Capitals assigned G Mitchell Gibson to the minors.) | |
| 9/22/2026 | D | Sent to minors (The Washington Capitals assigned D Jon McDonald to the minors.) | |
| 9/22/2026 | C | Sent to minors (The Washington Capitals assigned F Petr Sikora to the minors.) | |
| 9/22/2026 | G | Sent to minors (The Washington Capitals assigned G Garin Bjorklund to the minors.) | |
| 9/22/2026 | G | Sent to minors (The Washington Capitals assigned G Ben Kraws to the minors.) | |
| 9/22/2026 | LW | Sent to minors (The Washington Capitals assigned F Tyler Kopff to the minors.) | |
| 9/22/2026 | LW | Sent to minors (The Washington Capitals assigned F Alexander Suzdalev to the minors.) | |
| 9/22/2026 | D | Sent to minors (The Washington Capitals assigned D Jeremie Biakabutuka to the minors.) | |
| 9/22/2026 | C | Sent to minors (The Washington Capitals assigned F Ludwig Persson to the minors.) | |
| 9/22/2026 | C | Sent to minors (The Washington Capitals assigned F Patrick Thomas to the minors.) | |
| 9/19/2026 | C | Placed on Injured Reserve (The Washington Capitals placed F Patrick Thomas on injured reserve.) | |
| 8/25/2026 | G | Signed (G Cal Petersen has been signed by the Washington Capitals.) | |
| 7/14/2026 | C | Signed (The Washington Capitals signed F Oliver Suvanto to an entry-level contract.) | |
| 7/13/2026 | RW | Traded (The Washington Capitals traded F Zac Funk to the Buffalo Sabres.) To Buffalo | |
| 7/13/2026 | LW | Traded (The Buffalo Sabres traded F Tyler Kopff to the Washington Capitals.) From Buffalo | |
| 7/5/2026 | D | Signed (The Washington Capitals signed D Jacob MacDonald to a two-way contract.) | |
| 7/2/2026 | LW | Signed (The Washington Capitals signed F Alex Ovechkin.) | |
| 7/1/2026 | C | Signed (The Washington Capitals signed F Josh Dunne.) | |
| 7/1/2026 | C | Signed (The Washington Capitals signed F Jonny Brodzinski.) | |
| 7/1/2026 | C | Signed (The Washington Capitals signed F Boone Jenner.) | |
| 7/1/2026 | D | Signed (The Washington Capitals signed D Justin Holl.) | |
| 7/1/2026 | D | Signed (The Washington Capitals signed D Vincent Desharnais.) | |
| 6/30/2026 | G | Became Unrestricted Free Agent (G Jesper Vikman elected free agency.) | |
| 6/30/2026 | D | Became Unrestricted Free Agent (D Corey Schueneman elected free agency.) | |
| 6/30/2026 | RW | Became Unrestricted Free Agent (F Sheldon Rempal elected free agency.) | |
| 6/30/2026 | RW | Became Unrestricted Free Agent (F Brett Leason elected free agency.) | |
| 6/30/2026 | RW | Became Unrestricted Free Agent (F Henrik Rybinski elected free agency.) | |
| 6/29/2026 | RW | Became Unrestricted Free Agent (F Brandon Duhaime elected free agency.) | |
| 6/29/2026 | D | Became Unrestricted Free Agent (D Trevor van Riemsdyk elected free agency.) | |
| 6/29/2026 | LW | Became Unrestricted Free Agent (F Alex Ovechkin elected free agency.) | |
| 6/27/2026 | D | Drafted (The Washington Capitals drafted D Brian McFadden.) | |
| 6/27/2026 | C | Drafted (The Washington Capitals drafted F Logan Stuart) | |
| 6/27/2026 | C | Drafted (The Washington Capitals drafted F Tyus Sparks) | |
| 6/26/2026 | C | Drafted (The Washington Capitals drafted F Oliver Suvanto.) | |
| 6/25/2026 | C | Traded (The Washington Capitals traded F Hendrix Lapierre to the Pittsburgh Penguins.) To Pittsburgh | |
| 6/24/2026 | D | Traded (The Washington Capitals traded D Declan Chisholm to the New Jersey Devils.) To New Jersey | |
| 6/24/2026 | C | Traded (The Washington Capitals traded F David Kampf to the Buffalo Sabres.) To Buffalo | |
| 6/24/2026 | RW | Traded (The Buffalo Sabres traded F Alex Tuch to the Washington Capitals.) From Buffalo | |
| 6/23/2026 | RW | Traded (The St. Louis Blues traded F Jordan Kyrou to the Washington Capitals.) From St. Louis | |
| 6/23/2026 | C | Traded (The Washington Capitals traded F Connor McMichael to the St. Louis Blues.) To St. Louis | |
| 6/23/2026 | C | Traded (The Washington Capitals traded F Milton Gastrin to the St. Louis Blues.) To St. Louis |