Mathieu Joseph trades
| St. Louis Blues acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Mathieu Joseph | July 2, 2024 | Future considerations |  |
| 2025 3rd round pick | ||||
| Tampa Bay Lightning acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Nick Paul | March 20, 2022 | Mathieu Joseph | |
| 2024 4th round pick | ||||