| Season | Transaction |
|---|
| 13 | Oromocto Senators send Robert Thomas, Sebastian Aho to the Riverview Royals for Brock Boeser, Mathew Barzal, S14 SOU 1, S14 BAT 2 |
| 13 | Miramichi Moose send Sebastian Aho, Lassi Thomson, S14 MOO 1, S14 MON 1, S15 MOO 1, S16 MOO 2 to the Oromocto Senators for Seth Jarvis, Rodion Amirov, Cale Makar, S14 ORO 3 |
| 12 | Miramichi Moose send S13 RIV 1, S14 SOU 1, S14 BAT 2, Martin Kaut to the Riverview Royals for Sebastian Aho |
| 9 | Riverview Royals send Alex Pietrangelo , Quinton Byfield to the Miramichi Moose for Sebastian Aho, Zach Werenski |
| 2 | Drafted in the 1st round, 8th overall by MIR |
