| Transactions | ||||||
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/1/2026 | LB | Gil | Placed on Injured List | 3/30/2026 | Before | |
| 4/1/2026 | LB | Olson,R | Promoted to active roster | Before | ||
| 4/7/2026 | AT | Bart | Acquired via trade | KW | After | |
| 4/7/2026 | AT | Duran,Ja | Acquired via trade | DZ | After | |
| 4/7/2026 | AT | Goodman | Traded away | DZ | After | |
| 4/7/2026 | AT | Lowe,N | Traded away | KW | After | |
| 4/7/2026 | AT | Wallner | Traded away | DZ | After | |
| 4/7/2026 | DZ | Duran,Ja | Traded away | AT | After | |
| 4/7/2026 | DZ | Goodman | Acquired via trade | AT | After | |
| 4/7/2026 | DZ | Wallner | Acquired via trade | AT | After | |
| 4/7/2026 | FWX | Hader | Traded away | PHI | After | |
| 4/7/2026 | FWX | Hader | Acquired via trade | PHI | After | |
| 4/7/2026 | KW | Bart | Traded away | AT | After | |
| 4/7/2026 | KW | Lowe,N | Acquired via trade | AT | After | |
| 4/7/2026 | PHI | Hader | Traded away | FWX | After | |
| 4/7/2026 | PHI | Hader | Acquired via trade | FWX | After | |
| 4/8/2026 | AT | Allen,N | Promoted to active roster | Before | ||
| 4/8/2026 | AT | Bart | Promoted to active roster | Before | ||
| 4/8/2026 | AT | Lindor | Placed on Injured List | 4/7/2026 | Before | |
| 4/8/2026 | DMF | Thompson,K | Promoted to active roster | Before | ||
| 4/8/2026 | DMF | Whitlock | Placed on Injured List | 4/5/2026 | Before | |
| 4/8/2026 | PHI | Boyd | Promoted to active roster | Before | ||
| 4/8/2026 | PHI | Cortes | Placed on Injured List | 4/4/2026 | Before | |
| 4/8/2026 | WW | Kiermaier | Promoted to active roster | Before | ||
| 4/8/2026 | WW | Larnach | Placed on Injured List | 4/4/2026 | Before | |
| 4/14/2026 | FWX | Hader | Acquired via trade | PHI | After | |
| 4/14/2026 | PHI | Hader | Traded away | FWX | After | |