Iowa Cubs Roster & Staff
Iowa Transactions
| Date | Transaction |
| 05/25/26 | Chicago Cubs sent 2B Nicky Lopez outright to Iowa Cubs. |
| 05/24/26 | LHP Ty Blach elected free agency. |
| 05/24/26 | Chicago Cubs recalled LHP Jordan Wicks from Iowa Cubs. |
| 05/23/26 | Iowa Cubs activated C Casey Opitz from the Development List. |
| 05/23/26 | Chicago Cubs recalled RF Kevin Alcántara from Iowa Cubs. |
| 05/22/26 | Chicago Cubs recalled 2B Pedro Ramírez from Iowa Cubs. |
| 05/22/26 | Chicago Cubs sent LHP Ty Blach outright to Iowa Cubs. |
| 05/20/26 | Iowa Cubs placed RHP Connor Noland on the 7-day injured list. |
| 05/20/26 | Iowa Cubs activated RHP Tyler Beede from the Development List. |
| 05/19/26 | Iowa Cubs activated RHP Javier Assad. |
| 05/19/26 | Iowa Cubs sent RHP Will Sanders on a rehab assignment to ACL Cubs. |
| 05/18/26 | Iowa Cubs transferred C Casey Opitz to the Development List. |
| 05/17/26 | Iowa Cubs placed RHP Vince Velasquez on the 7-day injured list. |
| 05/17/26 | Chicago Cubs selected the contract of LHP Ty Blach from Iowa Cubs. |
| 05/17/26 | Chicago Cubs optioned RHP Christian Roa to Iowa Cubs. |
| 05/17/26 | Chicago Cubs optioned RHP Javier Assad to Iowa Cubs. |
| 05/15/26 | Chicago Cubs optioned LHP Jordan Wicks to Iowa Cubs. |
| 05/14/26 | Iowa Cubs placed 3B Ben Cowles on the 7-day injured list. |
| 05/14/26 | Iowa Cubs activated C Casey Opitz from the Development List. |
| 05/12/26 | Iowa Cubs activated RHP Corbin Martin. |
| 05/12/26 | Iowa Cubs placed RHP Jack Neely on the full-season injured list. |
| 05/12/26 | Iowa Cubs activated 1B Christian Bethancourt from the bereavement list. |
| 05/12/26 | Iowa Cubs placed RHP Jack Neely on the full-season injured list. |
| 05/12/26 | Iowa Cubs transferred RHP Tyler Beede to the Development List. |
| 05/12/26 | RHP Yacksel Ríos assigned to Iowa Cubs. |
| 05/12/26 | Iowa Cubs transferred C Casey Opitz to the Development List. |
| 05/12/26 | RHP Frankie Scalzo Jr. assigned to Knoxville Smokies from Iowa Cubs. |
| 05/12/26 | RHP Kenten Egbert assigned to South Bend Cubs from Iowa Cubs. |
| 05/10/26 | Chicago Cubs sent RHP Corbin Martin outright to Iowa Cubs. |
| 05/08/26 | Iowa Cubs placed 1B Christian Bethancourt on the bereavement list. |
| 05/08/26 | Chicago Cubs optioned RHP Gavin Hollowell to Iowa Cubs. |
| 05/08/26 | RHP Frankie Scalzo Jr. assigned to Iowa Cubs from Knoxville Smokies. |
| 05/07/26 | Iowa Cubs activated C Casey Opitz from the Development List. |
| 05/07/26 | Iowa Cubs activated RHP Tyler Ferguson. |
| 05/07/26 | RHP Kenten Egbert assigned to Iowa Cubs from South Bend Cubs. |
| 05/07/26 | Chicago Cubs optioned RHP Tyler Ferguson to Iowa 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 sent RHP Yacksel Ríos outright to Iowa Cubs. |
| 05/06/26 | Chicago Cubs selected the contract of RHP Trent Thornton from Iowa Cubs. |
| 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 | Iowa Cubs transferred RHP Jeff Brigham from the 7-day injured list to the 60-day injured list. |
| 05/05/26 | RHP Tyler Santana assigned to Knoxville Smokies from Iowa Cubs. |
| 05/05/26 | 2B Hayden Cantrelle assigned to Knoxville Smokies from Iowa Cubs. |
| 05/04/26 | Iowa Cubs released LF Dylan Carlson. |
| 05/03/26 | Chicago Cubs optioned LHP Luis Peralta to Iowa Cubs. |
| 05/03/26 | Chicago Cubs sent 3B Ben Cowles outright to Iowa Cubs. |
| 05/01/26 | Chicago Cubs sent RHP Daniel Palencia on a rehab assignment to Iowa Cubs. |