| Date/Season | Transaction |
|---|
| 6/15/2020 | Winnipeg Jets send Victor Rask, Jeremy Lauzon, $2,500,000 to the Boston Bruins for Maxim Letunov, Brett Howden |
| 5/11/2020 | Edmonton Oilers send Devin Seteguchi, Brett Howden, Doug Janik, Jonas Siegenthaler to the Boston Bruins for Michael Funk, Nick Palmeri |
| 2/11/2020 | Edmonton Oilers send Mark Fistric to the New Jersey Devils for Brett Howden |
| 8/2/2018 | New Jersey Devils send Oliver Ekman-Larsson, Marek Svatos, Ondrej Palat to the Winnipeg Jets for Brett Howden, Jordan Greenway, Josh Gorges, Luke Schenn, Robert Czarnik |
| 8/16/2017 | Winnipeg Jets send Joakim Andersson, Josh Harding, Rick Nash (rental) to the Florida Panthers for Brett Howden, German Rubtsov, Jacob Markstrom, Trevor Van Riemsdyk |
| 2022 | Drafted in the 2nd round, 32nd overall by Florida (from Toronto) |
