| Date/Season | Transaction |
|---|---|
| 1/11/2022 | Minnesota Wild send Phillip Danault to the Buffalo Sabres for Johnny Boychuk, Igor Bobkov, Colby Cohen, $1,500,000 |
| 12/31/2020 | Buffalo Sabres send $550,000 to the Anaheim Ducks for Colby Cohen |
| 4/7/2013 | Toronto Maple Leafs send Colby Cohen, NJD 2017 Rnd 3 to the Anaheim Ducks for Simon Gagne |
| 6/26/2012 | Toronto Maple Leafs send Maxim Talbot, COL 2016 Rnd 3 to the Calgary Flames for Colby Cohen |
| 2011 | Drafted in the 2nd round, 41st overall by Calgary |
