| | 3B | Sent to Minors (The Chicago Cubs optioned INF Ben Cowles to the minors.) |
| | P | Sent to Minors (The Chicago Cubs reassigned RHP Phil Bickford to minor league camp.) |
| | P | Sent to Minors (The Chicago Cubs reassigned RHP Chris Flexen to minor league camp.) |
| | P | Sent to Minors (The Chicago Cubs reassigned RHP Trevor Richards to minor league camp.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Ethan Roberts to the minors.) |
| | CF | Sent to Minors (The Chicago Cubs reassigned OF Greg Allen to minor league camp.) |
| | P | Sent to Minors (The Chicago Cubs optioned LHP Luke Little to the minors.) |
| | CF | Sent to Minors (The Chicago Cubs reassigned OF Christian Franklin to minor league camp.) |
| | 1B | Sent to Minors (The Chicago Cubs reassigned INF Jonathon Long to minor league camp.) |
| | 3B | Sent to Minors (The Chicago Cubs reassigned INF James Triantos to minor league camp.) |
| | P | Signed (The Chicago Cubs signed RHP Yency Almonte to a minor league contract.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Jack Neely to the minors.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Caleb Kilian to the minors.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Cody Poteet to the minors.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Gavin Hollowell to the minors.) |
| | RF | Sent to Minors (The Chicago Cubs optioned OF Owen Caissie to the minors.) |
| | LF | Traded (The Chicago Cubs traded OF Alexander Canario to the New York Mets.) To |
| | CF | Signed (The Chicago Cubs signed OF Greg Allen to a minor league contract with invitation to spring training.) |
| | RF | Signed (The Chicago Cubs signed OF Travis Jankowski to a minor league contract with an invitation to spring training.) |
| | LF | Designated for Assignment (The Chicago Cubs designated OF Alexander Canario for assignment.) |
| | 1B | Signed (The Chicago Cubs signed INF Justin Turner to a Major League Contract. ) |
| | P | Signed (The Chicago Cubs signed RHP Chris Flexen to a minor league contract.) |
| | P | Declared Free Agency (LHP Rob Zastryzny elected free agency.) |
| | P | Released (The Chicago Cubs released LHP Rob Zastryzny.) |
| | SS | Signed (The Chicago Cubs signed INF Dixon Machado to a minor league contract.) |
| | SS | Signed (The Chicago Cubs signed INF Jaylen Palmer to a minor league contract.) |
| | P | Sent to Minors (The Chicago Cubs sent LHP Rob Zastryzny outright to the minors.) |
| | P | Signed (The Chicago Cubs signed RHP Antonio Santos to the minor league contract with an invitation to spring training.) |
| | P | Declared Free Agency (RHP Matt Festa elected free agency.) |
| | P | Traded (The Los Angeles Dodgers traded RHP Ryan Brasier to the Chicago Cubs.) From |
| | P | Sent to Minors (The Chicago Cubs outrighted RHP Matt Festa to the minors.) |
| | 2B | Released (The Chicago Cubs released INF Axel Mancebo.) |
| | P | Released (The Chicago Cubs released RHP Roque Osorio.) |
| | P | Signed (The Chicago Cubs signed RHP A.J. Puckett to a minor league contract.) |
| | P | Designated for Assignment (The Chicago Cubs designated LHP Rob Zastryzny for assignment.) |
| | 2B | Signed (The Chicago Cubs signed INF Nicky Lopez to the minor league contract with an invitation to spring training.) |
| | SS | Traded (The Chicago Cubs traded INF Luis Vázquez to the Baltimore Orioles.) To |
| | P | Signed (The Chicago Cubs signed LHP Brandon Hughes to a minor league contract with an invitation to spring training.) |
| | P | Signed (The Chicago Cubs signed RHP Brad Keller to a minor league contract and invited him to spring training.) |
| | 3B | Signed (The Chicago Cubs signed INF Jon Berti.) |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Matt Festa for assignment.) |
| | SS | Designated for Assignment (The Chicago Cubs designated INF Luis Vázquez for assignment.) |
| | P | Traded (The Chicago Cubs traded RHP Juan Bello to the Houston Astros.) To |
| | P | Traded (The Houston Astros traded RHP Ryan Pressly to the Chicago Cubs.) From |
| | C | Signed (The Chicago Cubs signed C Reese McGuire to a minor league contract with an invitation to spring training.) |
| | P | Signed (The Chicago Cubs signed RHP Trevor Richards to a minor league contract with an invitation to spring training.) |
| | P | Traded (The Chicago Cubs traded RHP Michael Arias to the New York Yankees.) To |
| | SS | Traded (The Chicago Cubs traded INF Miles Mastrobuoni to the Seattle Mariners.) To |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Michael Arias for assignment.) |
| | C | Signed (The Chicago Cubs signed C Caleb Knight to a minor league contract.) |
| | P | Signed (The Chicago Cubs signed RHP Colin Rea.) |
| | SS | Designated for Assignment (The Chicago Cubs designated INF Miles Mastrobuoni for assignment.) |
| | P | Traded (The Texas Rangers traded RHP Matt Festa to the Chicago Cubs.) From |
| | P | Signed (The Chicago Cubs signed LHP Caleb Thielbar.) |
| | P | Signed (The Chicago Cubs signed RHP Ben Heller to a minor league contract..) |
| | 1B | Traded (The Chicago Cubs traded INF Matt Mervis to the Miami Marlins.) To |
| | SS | Traded (The Miami Marlins traded INF Vidal Bruján to the Chicago Cubs.) From |
| | C | Non-roster Invitee (The Chicago Cubs invited C Carlos Pérez to spring training.) |
| | C | Signed (The Chicago Cubs signed C Carlos Pérez to a minor league contract.) |
| | CF | Traded (The Chicago Cubs traded OF Cody Bellinger to the New York Yankees.) To |
| | P | Traded (The New York Yankees traded RHP Cody Poteet to the Chicago Cubs.) From |
| | C | Traded (The Chicago Cubs traded C Matt Thaiss to the Chicago White Sox.) To |
| | C | Signed (The Chicago Cubs signed C Carson Kelly to a Major League Contract.) |
| | RF | Traded (The Houston Astros traded OF Kyle Tucker to the Chicago Cubs.) From |
| | 3B | Traded (The Chicago Cubs traded INF Cam Smith to the Houston Astros.) To |
| | P | Traded (The Chicago Cubs traded RHP Hayden Wesneski to the Houston Astros.) To |
| | 3B | Traded (The Chicago Cubs traded INF Isaac Paredes to the Houston Astros.) To |
| | C | Signed (The Chicago Cubs signed C Carson Kelly to a Major League Contract.) |
| | P | Drafted Via Rule 5 (The Chicago Cubs selected RHP Wil Jensen in the Rule 5 Draft.) |
| | 3B | Drafted Via Rule 5 (The Chicago Cubs selected INF Gage Workman in the Rule 5 Draft.) |
| | P | Drafted Via Rule 5 (The Chicago Cubs selected RHP Nolan Clenney in the Rule 5 Draft.
) |
| | P | Drafted Via Rule 5 (The Chicago Cubs selected RHP Robert Kwiatkowski in the Rule 5 Draft.
) |
| | P | Signed (The Chicago Cubs signed LHP Matthew Boyd.) |
| | P | Signed (The Chicago Cubs signed LHP Matthew Boyd.) |
| | P | Signed (The Chicago Cubs signed RHP Brooks Kriske to a minor league contract with an invitation to spring training.) |
| | P | Non-roster Invitee (The Chicago Cubs signed RHP Phil Bickford to a minor league contract with an invitation to spring training.) |
| | CF | Released (The Chicago Cubs released OF Brennen Davis.) |
| | C | Recalled From Minors Rehab (The Chicago Cubs selected the contract of C Matt Thaiss from the minors.) |
| | P | Declared Free Agency (RHP Adbert Alzolay elected free agency.) |
| | 1B | Declared Free Agency (INF Patrick Wisdom elected free agency.) |
| | 3B | Released (The Chicago Cubs released INF Nick Madrigal.) |
| | RF | Released (The Chicago Cubs released OF Mike Tauchman.) |
| | P | Declared Free Agency (RHP Trey Wingenter elected free agency.) |
| | 1B | Designated for Assignment (The Chicago Cubs designated INF Patrick Wisdom for assignment.) |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Trey Wingenter for assignment.) |
| | C | Traded (The Los Angeles Angels traded C Matt Thaiss to the Chicago Cubs.) From |
| | CF | Traded (The Chicago Cubs traded OF Alfonsin Rosario to the Cleveland Guardians.) To |
| | P | Traded (The Cleveland Guardians traded RHP Eli Morgan to the Chicago Cubs.) From |
| | 3B | Recalled From Minors Rehab (The Chicago Cubs selected the contract of INF Benjamin Cowles from the minors.) |
| | CF | Designated for Assignment (The Chicago Cubs designated OF Brennen Davis for assignment.) |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Adbert Alzolay for assignment.) |
| | RF | Recalled From Minors Rehab (The Chicago Cubs selected the contract of OF Owen Caissie from the minors.) |
| | C | Declared Free Agency (C Christian Bethancourt elected free agency.) |
| | P | Declared Free Agency (RHP Enoli Paredes elected free agency.) |
| | P | Activated (The Chicago Cubs activated RHP Colten Brewer from the 60-day injured list.) |
| | P | Declared Free Agency (RHP Colten Brewer elected free agency.) |
| | P | Declared Free Agency (RHP Colten Brewer elected free agency.) |
| | C | Declared Free Agency (C Christian Bethancourt elected free agency.) |
| | P | Declared Free Agency (RHP Enoli Paredes elected free agency.) |
| | P | Declared Free Agency (LHP Thomas Pannone elected free agency.) |
| | P | Declared Free Agency (RHP Yency Almonte elected free agency.) |
| | P | Released (The Chicago Cubs released LHP Drew Smyly.) |
| | CF | Activated (The Chicago Cubs activated OF Brennen Davis from the 60-day injured list.) |
| | P | Activated (The Chicago Cubs activated RHP Julian Merryweather from the 60-day injured list.) |
| | P | Activated (The Chicago Cubs activated RHP Adbert Alzolay from the 60-day injured list.) |
| | P | Activated (The Chicago Cubs activated RHP Yency Almonte from the 60-day injured list.) |
| | P | Released (The Chicago Cubs released LHP Drew Smyly.) |
| | P | Activated (The Chicago Cubs activated RHP Ben Brown from the 60-day injured list.) |
| | P | Activated (The Chicago Cubs activated LHP Luke Little from the 60-day injured list.) |
| | P | Claimed on Unconditional Release Waivers (The Chicago Cubs claimed LHP Rob Zastryzny off waivers from the Milwaukee Brewers.) |
| | 3B | Activated (The Chicago Cubs activated INF Nick Madrigal from the 60-day injured list.) |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Jimmy Herget for assignment.) |
| | P | Declared Free Agency (RHP Jorge López elected free agency.) |
| | C | Sent to Minors (The Chicago Cubs outrighted C Caleb Knight to the minors.) |
| | P | Declared Free Agency (RHP Adrian Houser elected free agency.) |
| | P | Declared Free Agency (RHP Kyle Hendricks elected free agency.) |
| | P | Declared Free Agency (RHP Kyle Hendricks elected free agency.) |
| | P | Declared Free Agency (RHP Adrian Houser elected free agency.) |
| | P | Declared Free Agency (RHP Jorge López elected free agency.) |
| | C | Recalled From Minors Rehab (The Chicago Cubs selected the contract of C Caleb Knight from the minors.) |
| | C | Sent to Minors (The Chicago Cubs optioned C Caleb Knight to the minors.) |
| | P | Placed on 60-Day IL (The Chicago Cubs transferred RHP Julian Merryweather from the 15-day injured list to the 60-day injured list with a right knee tendinitis.) |
| | RF | Recalled From Minors Rehab (The Chicago Cubs recalled OF Kevin Alcántara from the minors.) |
| | SS | Sent to Minors (The Chicago Cubs optioned INF Miles Mastrobuoni to the minors.) |
| | P | Released (The Chicago Cubs released RHP Shawn Armstrong.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Gavin Hollowell to the minors.) |
| | P | Activated (The Chicago Cubs activated RHP Enoli Paredes.) |
| | P | Placed on 15-Day IL (The Chicago Cubs placed RHP Jorge López on the 15-day injured list with a groin strain.) |
| | P | Claimed on Unconditional Release Waivers (The Chicago Cubs claimed RHP Enoli Paredes off waivers and optioned him to the minors.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Trey Wingenter to the minors.) |
| | P | Claimed on Unconditional Release Waivers (The Chicago Cubs claimed RHP Enoli Paredes off waivers and optioned him to the minors.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Gavin Hollowell from the minors.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Caleb Kilian from the minors.) |
| | P | Placed on 15-Day IL (The Chicago Cubs placed LHP Jordan Wicks on the 15-day injured list.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Trey Wingenter from the minors.) |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Shawn Armstrong for assignment.) |
| | P | Activated (The Chicago Cubs activated RHP Hayden Wesneski from the 15-day injured list.) |
| | P | Activated (The Chicago Cubs activated LHP Justin Steele from the 15-day injured list.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Jack Neely to the minors.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Daniel Palencia to the minors.) |
| | P | Activated (The Chicago Cubs activated RHP Jorge López from the 15-day injured list.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Trey Wingenter to the minors.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Daniel Palencia from the minors.) |
| | P | Claimed on Unconditional Release Waivers (The Chicago Cubs claimed RHP Jimmy Herget off waivers from the Atlanta Braves.) |
| | CF | Placed on 60-Day IL (The Chicago Cubs placed OF Brennen Davis on the 60-day injured list.) |
| | P | Placed on 15-Day IL (The Chicago Cubs placed LHP Justin Steele on the 15-day injured list with left elbow tendinitis, retroactive to September 1.) |
| | P | Placed on 15-Day IL (The Chicago Cubs placed RHP Jorge López on the 15-day injured list with a right groin strain, retroactive to September 3.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Trey Wingenter from the minors.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Jack Neely from the minors.) |
| | SS | Recalled From Minors Rehab (The Chicago Cubs recalled INF Miles Mastrobuoni from the minors.) |
| | P | Activated (The Chicago Cubs activated LHP Jordan Wicks from the 60-day injured list.) |
| | 3B | Placed on 60-Day IL (The Chicago Cubs placed INF Nick Madrigal on the 60-day injured list.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Daniel Palencia to the minors.) |
| | P | Activated (The Chicago Cubs recalled RHP Shawn Armstrong from the minors.) |
| | P | Claimed on Unconditional Release Waivers (The Chicago Cubs claimed RHP Shawn Armstrong from the St. Louis Cardinals.) |
| | C | Released (The Chicago Cubs released C Tomás Nido.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Keegan Thompson from the minors.) |
| | P | Waived (The Chicago Cubs waived LHP Drew Smyly.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs recalled RHP Daniel Palencia from the minors.) |
| | P | Placed on 15-Day IL (The Chicago Cubs placed RHP Julian Merryweather on the 15-day injured list.) |
| | P | Sent to Minors (The Chicago Cubs optioned RHP Jack Neely to the minors.) |
| | 3B | Sent to Minors (The Chicago Cubs sent INF David Bote outright to the minors.) |
| | SS | Recalled From Minors Rehab (The Chicago Cubs recalled INF Luis Vázquez from the minors.) |
| | P | Claimed on Unconditional Release Waivers (The Chicago Cubs claimed RHP Gavin Hollowell off waivers from the Arizona Diamondbacks and optioned him to the minors.) |
| | 3B | Designated for Assignment (The Chicago Cubs designated INF David Bote for assignment.) |
| | P | Recalled From Minors Rehab (The Chicago Cubs selected the contract of RHP Jack Neely from the minors.) |
| | P | Released (The Chicago Cubs released RHP Héctor Neris.) |
| | P | Designated for Assignment (The Chicago Cubs designated RHP Héctor Neris for assignment.) |
