Iowa Cubs Roster & Staff
Iowa Transactions
| Date | Transaction |
| 07/10/26 | Iowa Cubs transferred LHP Josh Fleming to the Development List. |
| 07/10/26 | Iowa Cubs activated RHP Jaxon Wiggins from the 7-day injured list. |
| 07/09/26 | Iowa Cubs transferred RHP Andrew Wantz to the Development List. |
| 07/08/26 | LF Chas McCormick assigned to Iowa Cubs. |
| 07/08/26 | Chicago Cubs sent RHP Phil Maton on a rehab assignment to Iowa Cubs. |
| 07/08/26 | LHP Josh Fleming assigned to Iowa Cubs. |
| 07/08/26 | LHP Doug Nikhazy assigned to ACL Cubs from Iowa Cubs. |
| 07/07/26 | RHP Bryse Wilson elected free agency. |
| 07/07/26 | Chicago Cubs sent RHP Bryse Wilson outright to Iowa Cubs. |
| 07/06/26 | Iowa Cubs sent RHP Kohl Franklin on a rehab assignment to ACL Cubs. |
| 07/05/26 | Iowa Cubs activated RHP Paul Campbell from the 7-day injured list. |
| 07/05/26 | Iowa Cubs placed C Eric Yang on the 7-day injured list. |
| 07/03/26 | Iowa Cubs released LF Chas McCormick. |
| 07/03/26 | Chicago Cubs selected the contract of LHP Drew Pomeranz from Iowa Cubs. |
| 07/02/26 | 2B Hayden Cantrelle assigned to Iowa Cubs from Knoxville Smokies. |
| 07/02/26 | Chicago Cubs optioned LHP Jordan Wicks to Iowa Cubs. |
| 07/01/26 | Chicago Cubs sent RHP Eduarniel Núñez outright to Iowa Cubs. |
| 07/01/26 | RHP Kenten Egbert assigned to South Bend Cubs from Iowa Cubs. |