| Date/Season | Transaction |
|---|
| 8/25/2022 | Pittsburgh Penguins send Taylor Beck to the Detroit Red Wings for Michael St. Croix |
| 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 |
| 8/4/2014 | Vancouver Canucks send Justin Daniels, Rocco Grimaldi, VAN 2020 Rnd 3, $2,750,000 to the New York Rangers for Ivan Telegin, Michael St. Croix |
| 2018 | Drafted in the 3rd round, 64th overall by NYRangers |
