| Date/Season | Transaction |
|---|
| 6/12/2025 | Seattle Kraken send Ryan Murray, Arturs Silovs, Daniel Sprong, Adam Gilmour, Sean Behrens, Marcus Kruger to the Edmonton Oilers for Roman Polak |
| 2/7/2016 | Washington Capitals send Erik Gudbranson, Zach Parise to the Pittsburgh Penguins for Michael St. Croix, Roman Polak, PIT 2026 Rnd 2 |
| 2/4/2016 | Pittsburgh Penguins send Jack Johnson, Kyle Connor, NYR 2022 Rnd 1 to the Vancouver Canucks for Cory Conacher, Michael St. Croix, Nate Schmidt, Roman Polak |
| 1/29/2013 | Vancouver Canucks send James Neal, Jonathan Blum to the St Louis Blues for Joel Ward, Roman Polak |
| 2015 | Drafted in the 1st round, 8th overall by St Louis (from Chicago) |
| 2007 | Drafted in the 4th round, 115th overall by Carolina |
