Pierre Dorion

Vegas Golden Knights acquire Date Ottawa Senators acquire
Evgenii Dadonov
July 28, 2021
Nick Holden
 2022 3rd round pick
Nashville Predators acquire Date Ottawa Senators acquire
Erik Gudbranson
April 12, 2021
Brandon Fortunato
 2023 7th round pick
New York Islanders acquire Date Ottawa Senators acquire
Braydon Coburn
April 11, 2021
2022 7th round pick
Boston Bruins acquire Date Ottawa Senators acquire
Mike Reilly
April 11, 2021
2022 3rd round pick
Ottawa Senators acquire Date Nashville Predators acquire
Austin Watson
October 10, 2020
2021 4th round pick
Ottawa Senators acquire Date Anaheim Ducks acquire
Erik Gudbranson
October 8, 2020
2021 5th round pick
Ottawa Senators acquire Date Pittsburgh Penguins acquire
Matt Murray
October 7, 2020
Jonathan Gruden
 2020 2nd round pick
Ottawa Senators acquire Date Florida Panthers acquire
Josh Brown
October 2, 2020
2020 4th round pick
New York Islanders acquire Date Ottawa Senators acquire
Jean-Gabriel Pageau
February 24, 2020
2020 conditional 1st round pick
 2020 2nd round pick
 2022 conditional 3rd round pick
Comment: The 2020 1st round pick shifts to a 2021 1st round pick if the Islanders' pick is in the top three this year. The 2022 3rd round pick will only transfer to the Senators if the Islanders win the Stanley Cup this year.
Colorado Avalanche acquire Date Ottawa Senators acquire
Vladislav Namestnikov
February 24, 2020
2021 4th round pick
Montreal Canadiens acquire Date Ottawa Senators acquire
Aaron Luchuk
 2020 7th round pick
February 24, 2020
Matthew Peca
Edmonton Oilers acquire Date Ottawa Senators acquire
Tyler Ennis
February 24, 2020
2021 5th round pick
Toronto Maple Leafs acquire Date Ottawa Senators acquire
Max Veronneau
February 19, 2020
Aaron Luchuk
 2021 conditional 6th round pick
Winnipeg Jets acquire Date Ottawa Senators acquire
Dylan DeMelo
February 18, 2020
2020 3rd round pick
Ottawa Senators acquire Date Montreal Canadiens acquire
Mike Reilly
January 2, 2020
Andrew Sturtz
 2021 5th round pick
Ottawa Senators acquire Date Florida Panthers acquire
Jack Rodewald
October 26, 2019
Chris Wilkie
Ottawa Senators acquire Date New York Rangers acquire
Vladislav Namestnikov
October 7, 2019
Nick Ebert
 2021 4th round pick
Ottawa Senators acquire Date Tampa Bay Lightning acquire
Ryan Callahan
 2020 5th round pick
July 30, 2019
Mike Condon
 2020 6th round pick
Chicago Blackhawks acquire Date Ottawa Senators acquire
Zack Smith
July 16, 2019
Artem Anisimov
Ottawa Senators acquire Date Toronto Maple Leafs acquire
Nikita Zaitsev
 Connor Brown
 Michael Carcone
July 1, 2019
Cody Ceci
 Ben Harpur
 Aaron Luchuk
 2020 3rd round pick