Iowa Cubs Roster & Staff
Iowa Transactions
| Date | Transaction |
| 09/30/26 | LHP Antoine Kelly elected free agency. |
| 09/29/26 | Chicago Cubs sent LHP Antoine Kelly outright to Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled CF Justin Dean from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled LHP Jordan Wicks from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled 2B James Triantos from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled 3B BJ Murray Jr. from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled DH Kevin Alcántara from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Tyler Ferguson from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Ethan Roberts from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Jayden Murray from Iowa Cubs. |
| 09/27/26 | Chicago Cubs recalled LHP Braxton Garrett from Iowa Cubs. |
| 09/25/26 | Iowa Cubs activated RHP Grant Kipp from the Development List. |
| 09/25/26 | Iowa Cubs activated RHP Connor Noland from the Development List. |
| 09/23/26 | Iowa Cubs released 2B Hayden Cantrelle. |
| 09/23/26 | Iowa Cubs activated LF Greg Jones from the 7-day injured list. |
| 09/21/26 | Iowa Cubs activated RHP Collin Snider from the temporarily inactive list. |
| 09/21/26 | Iowa Cubs activated C Daniel Campos from the Development List. |
| 09/20/26 | Chicago Cubs sent LHP Riley Martin on a rehab assignment to Iowa Cubs. |
| 09/20/26 | Chicago Cubs sent LHP Riley Martin on a rehab assignment to Iowa Cubs. |
| 09/19/26 | Iowa Cubs activated RHP Tyler Santana from the Development List. |
| 09/19/26 | Iowa Cubs transferred RHP Grant Kipp to the Development List. |
| 09/18/26 | Iowa Cubs transferred RHP Connor Noland to the Development List. |
| 09/18/26 | Chicago Cubs optioned 3B BJ Murray Jr. to Iowa Cubs. |
| 09/17/26 | Iowa Cubs activated 2B Hayden Cantrelle from the Development List. |
| 09/08/26 | Iowa Cubs activated RHP Connor Noland from the Development List. |
| 09/07/26 | Iowa Cubs transferred RHP Tyler Santana to the Development List. |
| 09/05/26 | Chicago Cubs sent RHP Gavin Hollowell on a rehab assignment to Iowa Cubs. |
| 09/05/26 | Chicago Cubs sent RHP Gavin Hollowell on a rehab assignment to Iowa Cubs. |
| 09/05/26 | Chicago Cubs recalled RHP Javier Assad from Iowa Cubs. |
| 09/05/26 | Chicago Cubs optioned RHP Tyler Ferguson to Iowa Cubs. |
| 09/04/26 | Iowa Cubs activated RHP Andrew Wantz from the temporarily inactive list. |
| 09/04/26 | Iowa Cubs transferred 2B Hayden Cantrelle to the Development List. |
| 09/03/26 | Iowa Cubs transferred RHP Connor Noland to the Development List. |
| 09/03/26 | LHP Doug Nikhazy assigned to Iowa Cubs from ACL Cubs. |
| 09/02/26 | Chicago Cubs sent LHP Justin Steele on a rehab assignment to Iowa Cubs. |
| 09/02/26 | Chicago Cubs sent LHP Justin Steele on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Iowa Cubs activated C Ethan Hearn from the Development List. |
| 09/01/26 | Chicago Cubs sent RHP Edward Cabrera on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Iowa Cubs activated 2B Hayden Cantrelle from the Development List. |
| 09/01/26 | Chicago Cubs sent RHP Edward Cabrera on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Chicago Cubs sent RHP Edward Cabrera on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Chicago Cubs selected the contract of 3B BJ Murray Jr. from Iowa Cubs. |
| 09/01/26 | Chicago Cubs recalled RHP Tyler Ferguson from Iowa Cubs. |