| 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 Marc Cheverie. |
| TRADE : From Bruins to Senators : Brad Hunt. |
| TRADE : From Senators to Sabres : Nikolay Goldobin. |
| Mike Vecchione was released. |
| Darroll Powe was released. |
| Senators paid 0 € to release Dan Dunn. |
| Senators didn\'t make playoff for year 2016. |
| Mikko Vainonen was added to Senators. |
| Karri Ramo was released. |
| Melvin Nyffeler was added to Senators. |
| Jason LaBarbera was added to Senators. |
| Senators paid 0 € to release Nathan Gerbe. |
| Senators paid 2.257.710 € to release Philippe Paradis. |
