| Richard Panik was added to Senators. |
| Patrik Elias was added to Senators. |
| Alex Lyon was added to Senators. |
| Ashton Sautner was added to Senators. |
| Luca Sbisa was added to Senators. |
| TRADE : From Senators to Devils : Troy Brouwer. |
| Jiri Tlusty was added to Senators. |
| Senators paid 0 € to release Raphael Diaz. |
| Maxim Sushko was added to Senators. |
| Denis Malgin was added to Senators. |
| Nathan Gerbe was released. |
| Darroll Powe was released. |
| Ruslan Iskhakov has been added to Senators. |
| Senators paid 0 € to release Dan Dunn. |
| Senators paid 2.257.710 € to release Philippe Paradis. |
| Marc Cheverie was released. |
| Mikko Vainonen was added to Senators. |
| TRADE : From Sabres to Senators : Nikita Zadorov. |
| Jason LaBarbera was added to Senators. |
| Runners was eliminated at round 1 of year 2016. |
