Bryan Murray trades
| New York Islanders acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Shane Prince | February 29, 2016 | 2016 3rd round pick |  |
| 2016 7th round pick | ||||
| Minnesota Wild acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Conor Allen | February 29, 2016 | Michael Keranen | |
| Ottawa Senators acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
| Jason Akeson | February 27, 2016 | Michael Sdao |  |
| Philip Varone | Alexander Guptill | |||
| Jerome Gauthier-Leduc | Cole Schneider | |||
| Conditional pick | Eric O`Dell | |||
| Ottawa Senators acquire | Date | Toronto Maple Leafs acquire | ||
|---|---|---|---|---|
| Dion Phaneuf | February 9, 2016 | Jared Cowen |  |
| Matt Frattin | Colin Greening | |||
| Casey Bailey | Milan Michalek | |||
| Ryan Rupert | Tobias Lindberg | |||
| Cody Donaghey | 2017 2nd round pick | |||
| Ottawa Senators acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
| Conor Allen | January 14, 2016 | Patrick Mullen |  |
| Ottawa Senators acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
| Travis Ewanyk | June 27, 2015 | Eric Gryba |  |
| 2015 4th round pick | ||||
| Buffalo Sabres acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Robin Lehner | June 26, 2015 | 2015 1st round pick | |
| David Legwand | ||||
| Dallas Stars acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Jason Spezza | July 1, 2014 | Alex Chiasson | |
| Ludwig Karlsson | Alexander Guptill | |||
| Nicholas Paul | ||||
| 2015 2nd round pick | ||||
| Ottawa Senators acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
| Ales Hemsky | March 5, 2014 | 2015 3rd round pick | |
| 2014 5th round pick | ||||
| Anaheim Ducks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Andre Petersson | March 5, 2014 | Alex Grant | |
| Ottawa Senators acquire | Date | Vancouver Canucks acquire | ||
|---|---|---|---|---|
| Patrick Mullen | March 4, 2014 | Jeff Costello |  |
| Ottawa Senators acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Future considerations | July 8, 2013 | Pat Cannone |  |
| Ottawa Senators acquire | Date | Anaheim Ducks acquire | ||
|---|---|---|---|---|
| Bobby Ryan | July 5, 2013 | Jakob Silfverberg | |
| Stefan Noesen | ||||
| 2014 1st round pick | ||||
| Dallas Stars acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Sergei Gonchar | June 7, 2013 | 2013 6th round pick | |
| Tampa Bay Lightning acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Ben Bishop | April 3, 2013 | Cory Conacher | |
| 2013 4th round pick | ||||
| Ottawa Senators acquire | Date | Minnesota Wild acquire | ||
|---|---|---|---|---|
| Matt Kassian | March 12, 2013 | 2014 6th round pick | |
| Columbus Blue Jackets acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Nick Foligno | July 1, 2012 | Marc Methot | |
| Ottawa Senators acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Matt Gilroy | February 27, 2012 | Brian Lee | |
| Ottawa Senators acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Ben Bishop | February 26, 2012 | 2013 2nd round pick | |
| Ottawa Senators acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
| Kyle Turris | December 17, 2011 | David Rundblad |  |
| 2012 2nd round pick | ||||