Ottawa Senators 2024-25

Ottawa Senators acquire	Date	Buffalo Sabres acquire
Dylan Cozens Dennis Gilbert 2026 2nd round pick	March 7, 2025	Josh Norris Jacob Bernard-Docker

Ottawa Senators acquire	Date	San Jose Sharks acquire
Fabian Zetterlund Tristen Robins 2025 4th round pick	March 7, 2025	Noah Gregor Zack Ostapchuk 2025 2nd round pick

Ottawa Senators acquire	Date	Edmonton Oilers acquire
Xavier Bourgault Jake Chiasson	July 15, 2024	Roby Jarventie 2025 4th round pick

Colorado Avalanche acquire	Date	Ottawa Senators acquire
Kevin Mandolese 2026 7th round pick	July 15, 2024	2026 6th round pick

Ottawa Senators acquire	Date	Arizona Coyotes acquire
Jan Jenik	July 3, 2024	Egor Sokolov

St. Louis Blues acquire	Date	Ottawa Senators acquire
Mathieu Joseph 2025 3rd round pick	July 2, 2024	Future considerations

Washington Capitals acquire	Date	Ottawa Senators acquire
Jakob Chychrun	July 1, 2024	Nick Jensen 2026 3rd round pick

Boston Bruins acquire	Date	Ottawa Senators acquire
Joonas Korpisalo Mark Kastelic 2024 1st round pick	June 24, 2024	Linus Ullmark