Ottawa Senators 2015-16

New York Islanders acquire	Date	Ottawa Senators acquire
Shane Prince 2016 7th round pick	February 29, 2016	2016 3rd 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 Philip Varone Jerome Gauthier-Leduc Conditional pick	February 27, 2016	Michael Sdao Alexander Guptill Cole Schneider Eric O`Dell

Ottawa Senators acquire	Date	Toronto Maple Leafs acquire
Dion Phaneuf Matt Frattin Casey Bailey Ryan Rupert Cody Donaghey	February 9, 2016	Jared Cowen Colin Greening Milan Michalek Tobias Lindberg 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 2015 4th round pick	June 27, 2015	Eric Gryba

Buffalo Sabres acquire	Date	Ottawa Senators acquire
Robin Lehner David Legwand	June 26, 2015	2015 1st round pick