Reds Roster & Staff
Transactions
| Date | Transaction |
| 05/17/26 | Cincinnati Reds designated RF Rece Hinds for assignment. |
| 05/17/26 | Cincinnati Reds placed C Jose Trevino on the 10-day injured list. Left hamstring injury. |
| 05/17/26 | Cincinnati Reds optioned RHP Luis Mey to Louisville Bats. |
| 05/17/26 | Cincinnati Reds recalled RHP Jose Franco from Louisville Bats. |
| 05/17/26 | Cincinnati Reds selected the contract of C P.J. Higgins from Louisville Bats. |
| 05/14/26 | Cincinnati Reds sent C P.J. Higgins outright to Louisville Bats. |
| 05/13/26 | Cincinnati Reds signed free agent RHP Chris Paddack. |
| 05/13/26 | Cincinnati Reds designated C P.J. Higgins for assignment. |
| 05/13/26 | Cincinnati Reds placed RHP Rhett Lowder on the 15-day injured list. Right shoulder pain. |
| 05/11/26 | Cincinnati Reds signed free agent LHP Ekin Decena to a minor league contract. |
| 05/09/26 | Cincinnati Reds signed free agent LHP Jose Alcantara to a minor league contract. |
| 05/09/26 | Cincinnati Reds signed free agent OF Wellmir Lara to a minor league contract. |
| 05/08/26 | Cincinnati Reds activated LHP Nick Lodolo from the 15-day injured list. |
| 05/08/26 | Cincinnati Reds optioned RHP Jose Franco to Louisville Bats. |
| 05/06/26 | Cincinnati Reds signed free agent RHP Natali Familia to a minor league contract. |
| 05/06/26 | Cincinnati Reds activated RHP Pierce Johnson from the bereavement list. |
| 05/06/26 | Cincinnati Reds transferred LHP Brandon Williamson from the 15-day injured list to the 60-day injured list. Left shoulder fatigue. |
| 05/06/26 | Cincinnati Reds placed RHP Emilio Pagán on the 15-day injured list. Left hamstring strain. |
| 05/06/26 | Cincinnati Reds selected the contract of RHP Tejay Antone from Louisville Bats. |
| 05/06/26 | Cincinnati Reds optioned RHP Chase Petty to Louisville Bats. |
| 05/05/26 | Cincinnati Reds sent LHP Caleb Ferguson on a rehab assignment to Louisville Bats. |
| 05/05/26 | Cincinnati Reds sent LHP Caleb Ferguson on a rehab assignment to Louisville Bats. |
| 05/04/26 | Cincinnati Reds optioned RHP Zach Maxwell to Louisville Bats. |
| 05/04/26 | Cincinnati Reds recalled RHP Chase Petty from Louisville Bats. |
| 05/03/26 | Cincinnati Reds placed RHP Pierce Johnson on the bereavement list. |
| 05/03/26 | Cincinnati Reds optioned RF Rece Hinds to Louisville Bats. |
| 05/03/26 | Cincinnati Reds recalled LF Blake Dunn from Louisville Bats. |
| 05/03/26 | Cincinnati Reds recalled RHP Zach Maxwell from Louisville Bats. |
| 05/02/26 | Cincinnati Reds activated RHP Graham Ashcraft from the bereavement list. |
| 05/02/26 | Cincinnati Reds sent LHP Nick Lodolo on a rehab assignment to Louisville Bats. |
| 05/02/26 | Cincinnati Reds sent LHP Nick Lodolo on a rehab assignment to Louisville Bats. |
| 05/02/26 | Cincinnati Reds sent LHP Nick Lodolo on a rehab assignment to Louisville Bats. |
| 05/02/26 | Cincinnati Reds optioned RHP Zach Maxwell to Louisville Bats. |