Iowa Cubs Roster & Staff
Iowa Transactions
| Date | Transaction |
| 05/07/26 | Iowa Cubs activated C Casey Opitz from the Development List. |
| 05/07/26 | Chicago Cubs optioned RHP Tyler Ferguson to Iowa Cubs. |
| 05/07/26 | RHP Kenten Egbert assigned to Iowa Cubs from South Bend Cubs. |
| 05/07/26 | Chicago Cubs recalled RHP Gavin Hollowell from Iowa Cubs. |
| 05/06/26 | RHP Yacksel Ríos elected free agency. |
| 05/06/26 | Iowa Cubs transferred RHP Kyle Wright from the 7-day injured list to the 60-day injured list. |
| 05/06/26 | Chicago Cubs selected the contract of RHP Trent Thornton from Iowa Cubs. |
| 05/06/26 | Chicago Cubs sent RHP Yacksel Ríos outright to Iowa Cubs. |
| 05/05/26 | Iowa Cubs transferred RHP Jeff Brigham from the 7-day injured list to the 60-day injured list. |
| 05/05/26 | Iowa Cubs transferred RHP Jack Neely from the 7-day injured list to the 60-day injured list. |
| 05/05/26 | RHP Vince Velasquez assigned to Iowa Cubs. |
| 05/05/26 | 2B Hayden Cantrelle assigned to Knoxville Smokies from Iowa Cubs. |
| 05/05/26 | RHP Tyler Santana assigned to Knoxville Smokies from Iowa Cubs. |
| 05/04/26 | Iowa Cubs released LF Dylan Carlson. |
| 05/03/26 | Chicago Cubs sent 3B Ben Cowles outright to Iowa Cubs. |
| 05/03/26 | Chicago Cubs optioned LHP Luis Peralta to Iowa Cubs. |
| 05/01/26 | Chicago Cubs sent RHP Daniel Palencia on a rehab assignment to Iowa Cubs. |