| Date/Season | Transaction |
|---|
| 6/15/2023 | San Jose Sharks send Kirill Maximov, PHI 2030 Rnd 3 to the Boston Bruins for Riku Helenius, Samuel Girard |
| 12/22/2022 | Philadelphia Flyers send Riku Helenius to the Boston Bruins for Tim Erixon, CAR 2032 Rnd 2 |
| 8/25/2022 | Philadelphia Flyers send Richard Bachman, PHI 2030 Rnd 2 to the New York Islanders for Riku Helenius |
| 4/5/2019 | Toronto Maple Leafs send Josh Brittain, Riku Helenius to the Columbus Blue Jackets for Cameron Gaunce |
| 3/28/2018 | Toronto Maple Leafs send TOR 2024 Rnd 2 to the New York Rangers for Riku Helenius |
| 8/31/2015 | Nashville Predators send Riku Helenius, Tyler Wotherspoon, NAS 2023 Rnd 3 to the New York Rangers for Marco Cousineau, Tim Blunt, NYR 2024 Rnd 2 |
| 3/10/2015 | Nashville Predators send TOR 2019 Rnd 1, MON 2019 Rnd 1 to the Carolina Hurricanes for Riku Helenius, EDM 2019 Rnd 1 |
| 10/20/2013 | Los Angeles Kings send Riku Helenius to the Nashville Predators for Johan Holmqvist, NJD 2018 Rnd 2 |
| 2010 | Drafted in the 1st round, 16th overall by Ottawa (from NYIslander) |
