| Date/Season | Transaction |
|---|
| 8/4/2021 | Vegas Golden Knights send James Reimer to the Edmonton Oilers for Ondrej Pavelec |
| 6/30/2020 | Calgary Flames send James Reimer, $2,500,000 to the New Jersey Devils for Jonas Gustavsson (rental) |
| 5/21/2020 | Calgary Flames send Darcy Kuemper to the Pittsburgh Penguins for James Reimer, 2027 PIT Rnd 2 |
| 5/11/2020 | Pittsburgh Penguins send Niklas Svedberg to the Carolina Hurricanes for James Reimer |
| 8/9/2019 | Boston Bruins send Brad Thiessen, PHI 2024 Rnd 3, PHI 2026 Rnd 3 to the Winnipeg Jets for Daniel Delisle, Ivan Vishnevskiy, James Reimer, Kyle Clifford, Mitchell Marner |
| 6/28/2016 | Philadelphia Flyers send James Reimer, STL 2021 Rnd 3, $677,956 to the Winnipeg Jets for Linus Omark, Milan Michalek |
| 2/20/2015 | New Jersey Devils send James Reimer to the Philadelphia Flyers for Phil Kessel |
| 8/8/2014 | New York Rangers send Brian Dumoulin, James Reimer, Mike Green, Tomas Fleischmann to the New Jersey Devils for Dan Hamhuis, Steve Ott, Timo Pielmeier, Viktor Stalberg, FLA 2021 Rnd 3 |
| 2015 | Drafted in the 1st round, 15th overall by NYRangers (from Anaheim) |
| 2010 | Drafted in the 4th round, 103rd overall by Minnesota |
