| Mammoth drafts Caleb Malhotra as the #3 overall pick in the Entry Draft of year 26. |
| Mammoth drafts Brooks Rogowski as the #35 overall pick in the Entry Draft of year 26. |
| Mammoth drafts Adam Nemec as the #67 overall pick in the Entry Draft of year 26. |
| Mammoth drafts Michal Orsulak as the #99 overall pick in the Entry Draft of year 26. |
| Matthew Schaefer was added to Mammoth. |
| Oliver Bonk was added to Mammoth. |
| Michael Hrabal was added to Mammoth. |
| David Edstrom was added to Mammoth. |
| Zach Uens was added to Mammoth. |
| Jack Hughes2 was added to Mammoth. |
| Eddie Genborg was added to Mammoth. |
| Aaron Huglen was added to Mammoth. |
| Arseny Gritsyuk was added to Mammoth. |
| Mammoth didn't make playoff for year 25. |
| Roadrunners didn't make playoff for year 25. |
| TRADE : From Islanders to Mammoth : Henri Jokiharju (69). |
| TRADE : From Mammoth to Islanders : 250 000 $ (Money). |
| TRADE : From Islanders to Mammoth : Henri Jokiharju (69). |
| TRADE : From Mammoth to Islanders : 250 000 $ (Money). |
| TRADE : From Senators to Mammoth : 250 000 $ (Money). |
