| | 左外野手 | Placed on 10-Day IL (The Oakland Athletics placed OF Miguel Andujar on the 10-day injured list.) |
| | 投手 | Placed on 15-Day IL (The Oakland Athletics placed RHP Freddy Tarnok on the 15-day injured list.) |
| | 投手 | Placed on 15-Day IL (The Oakland Athletics placed LHP Scott Alexander on the 15-day injured list.) |
| | 游擊手 | Placed on 60-Day IL (The Oakland Athletics placed INF Aledmys Díaz on the 60-day injured list.) |
| | 投手 | Placed on 15-Day IL (The Oakland Athletics placed RHP Luis Medina on the 15-day injured list.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of RHP Austin Adams from the minors.) |
| | 捕手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of C Kyle McCann from the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Zach Jackson to the minors.) |
| | 投手 | Placed on 60-Day IL (The Oakland Athletics placed LHP Sean Newcomb on the 60-day injured list.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of LHP T.J. McFarland from the minors.) |
| | 投手 | Traded (The Los Angeles Dodgers traded LHP T.J. McFarland to the Oakland Athletics.) 從 |
| | 投手 | Placed on 60-Day IL (The Oakland Athletics placed RHP Trevor Gott on the 60-day injured list.) |
| | 投手 | Traded (The New York Mets traded RHP Austin Adams to the Oakland Athletics.) 從 |
| | 右外野手 | Sent to Minors (The Oakland Athletics sent OF Daz Cameron to the minors.) |
| | 游擊手 | Sent to Minors (The Oakland Athletics sent INF Max Muncy to the minors.) |
| | 三壘手 | Sent to Minors (The Oakland Athletics sent INF Armando Alvarez to the minors.) |
| | 捕手 | Sent to Minors (The Oakland Athletics optioned C Tyler Soderstrom to the minors.) |
| | 二壘手 | Sent to Minors (The Oakland Athletics sent INF Max Schuemann to the minors.) |
| | 投手 | Designated for Assignment (The Oakland Athletics designated RHP Angel Felipe for assignment.) |
| | 三壘手 | Signed (The Oakland Athletics signed INF J.D. Davis.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Gerson Moreno to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned LHP Brady Basso to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Joey Estes to the minors.) |
| | 三壘手 | Sent to Minors (The Oakland Athletics sent INF Brett Harris to the minors.) |
| | 二壘手 | Sent to Minors (The Oakland Athletics optioned INF Jordan Diaz to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Vinny Nittoli to the minors.) |
| | 捕手 | Sent to Minors (The Oakland Athletics sent C Yohel Pozo to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Royber Salinas to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Gerardo Reyes to the minors.) |
| | 左外野手 | Sent to Minors (The Oakland Athletics optioned OF Lazaro Armenteros to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Jack O'Loughlin to the minors.) |
| | 游擊手 | Sent to Minors (The Oakland Athletics sent INF Jacob Wilson to the minors.) |
| | 一壘手 | Sent to Minors (The Oakland Athletics sent INF Drew Lugbauer to the minors.) |
| | 二壘手 | Sent to Minors (The Oakland Athletics sent INF Cooper Bowman to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Domingo Robles to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Easton Lucas to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Michel Otanez to the minors.) |
| | 捕手 | Sent to Minors (The Oakland Athletics sent C Daniel Susac to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned LHP Hogan Harris to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Osvaldo Bido to the minors.) |
| | 中外野手 | Sent to Minors (The Oakland Athletics sent OF Jeisson Rosario to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Stevie Emanuels to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Jack Perkins to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Billy Sullivan to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Shohei Tomioka to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Adrián Martínez to the minors.) |
| | 投手 | Signed (The Oakland Athletics signed LHP Francisco Pérez to a minor league contract.) |
| | 投手 | Signed (The Oakland Athletics signed RHP Aaron Brooks to a minor league contract.) |
| | 右外野手 | Non-roster Invitee (The Oakland Athletics invited OF Stephen Piscotty to spring training.) |
| | 投手 | Signed (The Oakland Athletics signed LHP Scott Alexander.) |
| | 投手 | Placed on 60-Day IL (The Oakland Athletics placed LHP Ken Waldichuk on the 60-day injured list.) |
| | 右外野手 | Signed (The Oakland Athletics signed OF Stephen Piscotty to a minor league contract.) |
| | 右外野手 | Signed (The Oakland Athletics signed OF Stephen Piscotty to a minor league contract.) |
| | 投手 | Declared Free Agency (The Oakland Athletics LHP Francisco Pérez declared free agency.) |
| | 三壘手 | Traded (The Oakland Athletics traded INF Jonah Bride to the Miami Marlins.) 至 |
| | 中外野手 | Traded (The Oakland Athletics traded OF Jonah Cox to the San Francisco Giants.) 至 |
| | 三壘手 | Designated for Assignment (The Oakland Athletics designated INF Jonah Bride for assignment.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Francisco Pérez outright to the minors.) |
| | 投手 | Traded (The San Francisco Giants traded RHP Ross Stripling to the Oakland Athletics.) 從 |
| | 投手 | Signed (The Oakland Athletics signed LHP Alex Wood.) |
| | | Signed (The Oakland Athletics signed RHP Dylan Hall to a minor league contract.) |
| | | Signed (The Oakland Athletics signed RHP Dylan Hall to a minor league contract.) |
| | 捕手 | Signed (The Oakland Athletics signed C Carlos Pérez to a minor league contract.) |
| | 捕手 | Signed (The Oakland Athletics signed C Carlos Pérez to a minor league contract.) |
| | 投手 | Released (The Oakland Athletics released RHP Austin Pruitt.) |
| | 投手 | Drafted Via Rule 5 (The Oakland Athletics selected RHP Mitch Spence in the Rule 5 Draft.) |
| | 投手 | Signed (The Oakland Athletics signed RHP Danis Correa to a minor league contract.) |
| | 二壘手 | Non-roster Invitee (The Oakland Athletics signed INF Hoy Park to a minor league contract with an invite to spring training.) |
| | 投手 | Non-roster Invitee (The Oakland Athletics signed LHP Domingo Robles to a minor league contract with an invitation to spring training.) |
| | 投手 | Non-roster Invitee (The Oakland Athletics signed RHP Jack Perkins to a minor league contract with an invitation to spring training.) |
| | 三壘手 | Non-roster Invitee (The Oakland Athletics signed INF Armando Alvarez to a minor league contract with an invitation to spring training.) |
| | 一壘手 | Non-roster Invitee (The Oakland Athletics signed INF Drew Lugbauer to a minor league contract with an invitation to spring training.) |
| | 中外野手 | Non-roster Invitee (The Oakland Athletics signed OF Jeisson Rosario to a minor league contract with an invitation to spring training.) |
| | 投手 | Signed (The Oakland Athletics signed RHP Osvaldo Bido.) |
| | 右外野手 | Non-roster Invitee (The Oakland Athletics invited non-roster OF Daz Cameron to spring training.) |
| | 右外野手 | Signed (The Oakland Athletics signed OF Daz Cameron to a minor league contract.) |
| | 游擊手 | Released (The Oakland Athletics released INF Kevin Smith.) |
| | 右外野手 | Signed (The Oakland Athletics signed OF Daz Cameron to a minor league contract.) |
| | 投手 | Claimed on Unconditional Release Waivers (The Oakland Athletics claimed RHP Michael Kelly from the Cleveland Guardians.) |
| | 投手 | Traded (The Oakland Athletics traded RHP Chad Patrick to the Milwaukee Brewers.) 至 |
| | 三壘手 | Traded (The Milwaukee Brewers traded INF Abraham Toro to the Oakland Athletics.) 從 |
| | 投手 | Non-roster Invitee (The Oakland Athletics signed RHP Tyler Ferguson to a minor league contract with an invitation to spring training.) |
| | 游擊手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of INF Darell Hernaiz.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of LHP Brady Basso.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of RHP Royber Salinas.) |
| | 投手 | Signed (The Oakland Athletics signed LHP Jack O'Loughlin to a minor league contract.) |
| | 投手 | Declared Free Agency (LHP Garrett Williams declared free agency.) |
| | 投手 | Declared Free Agency (RHP Zack Godley declared free agency.) |
| | 投手 | Declared Free Agency (RHP Chad Smith declared free agency.) |
| | 投手 | Declared Free Agency (RHP James Kaprielian declared free agency.) |
| | 投手 | Declared Free Agency (RHP Bryce Conley declared free agency.) |
| | 投手 | Declared Free Agency (RHP Christian Fernandez declared free agency.) |
| | 投手 | Declared Free Agency (RHP Daulton Jefferies declared free agency.) |
| | 投手 | Declared Free Agency (RHP Norge Ruiz declared free agency.) |
| | 投手 | Declared Free Agency (RHP Tayler Scott declared free agency.) |
| | 右外野手 | Declared Free Agency (OF Conner Capel declared free agency.) |
| | 投手 | Declared Free Agency (RHP Jorge Juan declared free agency.) |
| | 投手 | Declared Free Agency (RHP Trey Supak declared free agency.) |
| | 投手 | Declared Free Agency (LHP Sam Long declared free agency.) |
| | 中外野手 | Declared Free Agency (OF Austin Beck declared free agency.) |
| | 投手 | Declared Free Agency (LHP John Beller declared free agency.) |
| | 投手 | Declared Free Agency (RHP Jasseel De La Cruz declared free agency.) |
| | 右外野手 | Declared Free Agency (OF Kevin Richards declared free agency.) |
| | 投手 | Declared Free Agency (LHP Anthony Kay declared free agency.) |
| | 投手 | Declared Free Agency (LHP Kirby Snead declared free agency.) |
| | 游擊手 | Declared Free Agency (INF Alexander Campos declared free agency.) |
| | 投手 | Declared Free Agency (RHP Durbin Feltman declared free agency.) |
| | 投手 | Declared Free Agency (RHP Serafino Brito declared free agency.) |
| | 投手 | Declared Free Agency (LHP Richard Lovelady declared free agency.) |
| | 右外野手 | Declared Free Agency (OF Greg Deichmann declared free agency.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Easton Lucas outright to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Anthony Kay outright to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Tayler Scott outright to the minors.) |
| | 左外野手 | Claimed on Unconditional Release Waivers (The Oakland Athletics claimed OF Miguel Andujar off waivers from the Pittsburgh Pirates.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Chad Smith outright to the minors.) |
| | 左外野手 | Recalled From Minors Rehab (The Oakland Athletics recalled OF Lazaro Armenteros from the minors.) |
| | 投手 | Designated for Assignment (The Oakland Athletics designated LHP Easton Lucas for assignment.) |
| | 投手 | Designated for Assignment (The Oakland Athletics designated RHP Tayler Scott for assignment.) |
| | 投手 | Designated for Assignment (The Oakland Athletics designated RHP Chad Smith for assignment.) |
| | 投手 | Released (The Oakland Athletics released RHP Charles Hall.) |
| | 投手 | Activated (The Oakland Athletics activated LHP Sean Newcomb from the 60-day injured list.) |
| | 投手 | Activated (The Oakland Athletics activated LHP Hogan Harris.) |
| | 游擊手 | Activated (The Oakland Athletics activated INF Kevin Smith.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Angel Felipe from the 15-day injured list.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Drew Rucinski from the 60-day injured list.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Freddy Tarnok.) |
| | 投手 | Activated (The Oakland Athletics activated LHP Easton Lucas.) |
| | 投手 | Activated (The Oakland Athletics activated LHP Anthony Kay.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Tayler Scott.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Devin Sweet.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Chad Smith.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Zach Jackson.) |
| | 三壘手 | Activated (The Oakland Athletics activated INF Jonah Bride.) |
| | 二壘手 | Declared Free Agency (Oakland Athletics INF Tony Kemp declared free agency.) |
| | 投手 | Declared Free Agency (Oakland Athletics RHP Drew Steckenrider declared free agency.) |
| | 投手 | Declared Free Agency (RHP Drew Rucinski elected free agency.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Kirby Snead outright to the minors.) |
| | 投手 | Signed (The Oakland Athletics signed RHP Vinny Nittoli.) |
| | 投手 | Claimed on Unconditional Release Waivers (The Oakland Athletics claimed LHP Anthony Kay off waivers from the New York Mets.) |
| | 捕手 | Declared Free Agency (C Carlos Pérez elected free agency.) |
| | 投手 | Retired (RHP Trevor May retired from Major League Baseball.) |
| | 捕手 | Sent to Minors (The Oakland Athletics sent C Carlos Pérez outright to the minors.) |
| | 捕手 | Sent to Minors (The Oakland Athletics sent C Carlos Pérez outright to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Sam Long outright to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP James Kaprielian outright to the minors.) |
| | 投手 | Declared Free Agency (RHP Yacksel Ríos elected free agency.) |
| | 投手 | Declared Free Agency (RHP Zach Neal elected free agency.) |
| | 二壘手 | Declared Free Agency (INF Tyler Wade elected free agency.) |
| | 投手 | Released (The Oakland Athletics released RHP Spenser Watkins.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Zach Neal outright to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Austin Pruitt outright to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Yacksel Ríos outright to the minors.) |
| | 左外野手 | Declared Free Agency (OF Cody Thomas declared free agency.) |
| | 投手 | Declared Free Agency (RHP Spencer Patton declared free agency.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent LHP Richard Lovelady outright to the minors.) |
| | 游擊手 | Sent to Minors (The Oakland Athletics optioned INF Kevin Smith to the minors.) |
| | 左外野手 | Activated (The Oakland Athletics activated OF JJ Bleday from the 10-day injured list.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned LHP Easton Lucas to the minors.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics recalled RHP Zach Neal from the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Devin Sweet to the minors.) |
| | 投手 | Placed on 60-Day IL (The Oakland Athletics placed LHP Sean Newcomb on the 60-day injured list.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of RHP Joey Estes.) |
| | 投手 | Placed on 15-Day IL (The Oakland Athletics placed LHP Sean Newcomb on the 15-day injured list.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of RHP Joe Boyle.) |
| | 投手 | Placed on 10-Day IL (The Oakland Athletics placed RHP Freddy Tarnok on the 60-day injured list.) |
| | 二壘手 | Claimed on Unconditional Release Waivers (The Oakland Athletics claimed INF Buddy Kennedy off waivers from the Arizona Diamondbacks and optioned him to the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Spencer Patton outright to the minors.) |
| | 三壘手 | Sent to Minors (The Oakland Athletics optioned INF Jonah Bride to the minors.) |
| | 中外野手 | Activated (The Oakland Athletics activated INF Lawrence Butler from the bereavement list.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned LHP Sam Long to the minors.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of RHP Devin Sweet.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics selected the contract of LHP Easton Lucas.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned RHP Zach Neal to the minors.) |
| | 投手 | Designated for Assignment (The Oakland Athletics designated RHP Spencer Patton for assignment.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Mason Miller from the 60-day injured list.) |
| | 游擊手 | Recalled From Minors Rehab (The Oakland Athletics recalled INF Kevin Smith from the minors.) |
| | 中外野手 | Placed on Bereavement/Family Medical Emergency List (The Oakland Athletics placed INF Lawrence Butler on the bereavement list.) |
| | 投手 | Sent to Minors (The Oakland Athletics optioned LHP Kirby Snead to the minors.) |
| | 投手 | Activated (The Oakland Athletics activated RHP Luis Medina from the 15-day injured list.) |
| | 投手 | Claimed on Unconditional Release Waivers (The Oakland Athletics claimed RHP Devin Sweet off waivers.) |
| | 投手 | Recalled From Minors Rehab (The Oakland Athletics recalled LHP Sam Long from the minors.) |
| | 捕手 | Recalled From Minors Rehab (The Oakland Athletics recalled C Tyler Soderstrom from the minors.) |
| | 投手 | Sent to Minors (The Oakland Athletics sent RHP Spenser Watkins outright to the minors.) |
| | 右外野手 | Sent to Minors (The Oakland Athletics sent OF Conner Capel outright to the minors.) |
| | 左外野手 | Sent to Minors (The Oakland Athletics sent OF Cody Thomas outright to the minors.) |