Alexander Guptill trades
| 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 | |||
| Dallas Stars acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Jason Spezza | July 1, 2014 | Alex Chiasson | |
| Ludwig Karlsson | Alexander Guptill | |||
| Nicholas Paul | ||||
| 2015 2nd round pick | ||||