| Date/Season | Transaction |
|---|
| 1/14/2020 | Calgary Flames send Sami Vatanen, TB 2024 Rnd 1, CGY 2024 Rnd 2 to the Detroit Red Wings for Nicklas Grossman |
| 2/6/2019 | Calgary Flames send Brad Thiessen, Michael Funk to the Boston Bruins for Libor Hajek, Nathan MacKinnon, Sami Vatanen |
| 3/7/2018 | Pittsburgh Penguins send Sami Vatanen, $3,000,000 to the Boston Bruins for Brett Connolly |
| 4/26/2017 | Pittsburgh Penguins send Mike Brodeur to the Calgary Flames for Sami Vatanen |
| 2018 | Drafted in the 1st round, 21st overall by Calgary (from Vancouver) |
| 2013 | Drafted in the 4th round, 92nd overall by Colorado (from Anaheim) |
