Athletics Roster & Staff
Transactions
| Date | Transaction |
| 06/12/26 | Athletics placed DH Brent Rooker on the 10-day injured list retroactive to June 9, 2026. Bone bruise in left knee. |
| 06/12/26 | Athletics activated SS Jacob Wilson from the 10-day injured list. |
| 06/11/26 | Athletics sent RHP Aaron Civale on a rehab assignment to Las Vegas Aviators. |
| 06/09/26 | Athletics signed free agent SS Kenny Fermin to a minor league contract. |
| 06/09/26 | Athletics optioned RHP Kade Morris to Las Vegas Aviators. |
| 06/09/26 | Athletics recalled RHP Joey Estes from Las Vegas Aviators. |
| 06/08/26 | Athletics activated 3B Max Muncy from the 10-day injured list. |
| 06/08/26 | Athletics optioned SS Darell Hernaiz to Las Vegas Aviators. |
| 06/06/26 | Athletics sent SS Jacob Wilson on a rehab assignment to Las Vegas Aviators. |
| 06/06/26 | Athletics sent SS Jacob Wilson on a rehab assignment to Las Vegas Aviators. |
| 06/06/26 | Athletics traded RHP Joel Kuhnel to Milwaukee Brewers for cash. |
| 06/05/26 | Athletics designated RHP Joel Kuhnel for assignment. |
| 06/05/26 | Athletics recalled RHP Elvis Alvarado from Las Vegas Aviators. |
| 06/02/26 | Athletics transferred RHP Brooks Kriske from the 15-day injured list to the 60-day injured list. Right shoulder impingement. |
| 06/02/26 | Athletics signed free agent RHP Luis Guevara to a minor league contract. |
| 06/02/26 | Athletics optioned RHP Michael Kelly to Las Vegas Aviators. |
| 06/02/26 | Athletics recalled RHP Mason Barnett from Las Vegas Aviators. |
| 06/02/26 | Athletics optioned LHP Jacob Lopez to Las Vegas Aviators. |
| 06/02/26 | Athletics selected the contract of RHP Kade Morris from Las Vegas Aviators. |