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| 2024-04-08 00:00:00 | Salt Lake City Night Hawks | | Demoted | Faustino Hamblin | Toronto Huskies |
| 2024-04-08 00:00:00 | Toronto Huskies | | Promoted | Dante Christal | Salt Lake City Night Hawks |
| 2024-04-08 00:00:00 | Kansas City Wildcats | | Demoted | Craig Robison | Santa Fe Zeppelins |
| 2024-04-07 00:00:00 | Cleveland Weasels | | Demoted | Christian Clark | Pittsburgh Berserkers |
| 2024-04-07 00:00:00 | Las Vegas Dark Knights | | Demoted | Lucas Coleman | Knoxville Wampus Cats |
| 2024-04-07 00:00:00 | Chicago Hilltoppers | | Demoted | Maxwell Torres | Clarksville River Bandits |
| 2024-04-07 00:00:00 | St. Louis 5th Alarm | | Demoted | Christopher Lloyd | Caracas Crocodiles |
| 2024-04-05 15:55:22 | Las Vegas Dark Knights | 2nd round pick in season 39 | Acquired via trade | 2nd round pick in season 40 | Philadelphia Assassins |
| 2024-04-05 00:00:00 | Santiago Sharks | | Promoted | Liam Stockstill | San Diego Sabercats |
| 2024-04-05 00:00:00 | San Diego Sabercats | | Demoted | Seth Hunter | Santiago Sharks |
| 2024-04-05 00:00:00 | Santiago Sharks | | Promoted | Joseph Whitaker | San Diego Sabercats |
| 2024-04-05 00:00:00 | San Diego Sabercats | | Drop | Daemon Goldsberry | |
| 2024-04-05 00:00:00 | Indianapolis Tornadoes | | Demoted | Justin Browning | Buenos Aires Eagles |
| 2024-04-05 00:00:00 | Las Vegas Dark Knights | | Drop | Octavio Dixon | |
| 2024-04-05 00:00:00 | Las Vegas Dark Knights | | Drop | Andrew Johnson | |
| 2024-04-05 00:00:00 | Las Vegas Dark Knights | | Demoted | Shawn Peel | Knoxville Wampus Cats |
| 2024-04-04 10:02:21 | Phoenix Kangaroos | 2nd round pick in season 40 | Acquired via trade | 2nd round pick in season 39 | Louisville Colonels |
| 2024-04-04 00:00:00 | San Diego Sabercats | | Drop | Andrew Joseph | |
| 2024-04-04 00:00:00 | San Diego Sabercats | | Drop | Trevor Brewster | |
| 2024-04-04 00:00:00 | Phoenix Kangaroos | | Demoted | Matt Hall | San Juan Devils |
| 2024-04-04 00:00:00 | Las Vegas Dark Knights | | Demoted | Taylor Parker | Knoxville Wampus Cats |
| 2024-04-04 00:00:00 | Orlando Bombers | | Demoted | Joseph Spence | Ottawa Mt. Hawks |
| 2024-04-04 00:00:00 | San Francisco Golden Gators | | Demoted | Alexander James | Little Rock Fighting Farmers |
| 2024-04-04 00:00:00 | Denver Ferris Wheels | | Demoted | William Lawrence | Mexico City Aztecs |
| 2024-04-03 11:53:03 | San Diego Sabercats | 2nd round pick in season 39 | Acquired via trade | 2nd round pick in season 40 | New Orleans Hurricanes |