| Date/Season | Transaction |
|---|
| 2/21/2012 | St Louis Blues send $250,003 to the Colorado Avalanche for Alexei Smirnov, Colin Fraser, Colton Orr, Greg Zanon |
| 10/24/2011 | Colorado Avalanche send Pat Dwyer to the Washington Capitals for Alexei Smirnov |
| 6/6/2011 | Washington Capitals send $1 to the Pittsburgh Penguins for Alexei Smirnov |
| 1/16/2011 | Pittsburgh Penguins send $1,500,000 to the Colorado Avalanche for Alexei Smirnov |
| 11/24/2010 | Colorado Avalanche send Igor Grigorenko to the Boston Bruins for Alexei Smirnov |
| 2006 | Drafted in the 2nd round, 41st overall by Florida |
