Roman Horak trades
| Calgary Flames acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
 | Ladislav Smid | November 8, 2013 | Roman Horak |  |
| Olivier Roy | Laurent Brossoit | |||
| Calgary Flames acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Roman Horak | June 1, 2011 | Tim Erixon |  |
| 2011 2nd round pick (#45-Markus Granlund) | 2011 5th round pick (#133-Shane McColgan) | |||
| 2011 2nd round pick (#57-Tyler Wotherspoon) | ||||